Cox, K., Denoël, M., Van Calster, H., Speybroeck, J., Van de Poel, S., Lewylle, I., Verschaeve, L., Van Breusegem, A., Halfmaerten, D., & Adriaens, D. (2021). Scale-dependent effects of terrestrial habitat on genetic variation in the great crested newt (Triturus cristatus). Landscape Ecology, 36(10), 3029-3048.
Context Terrestrial landscapes surrounding aquatic habitat influence the persistence of amphibian spatially structured populations (SSPs) via their crucial role in providing estivation and overwintering sites ...
Dufresnes, C., Suchan, T., Smirnov, N. A., Denoël, M., Rosanov, J. M., & Litvinchuk, S. M. (2021). Revisiting a speciation classic: Comparative analyses support sharp but leaky transitions between Bombina toads. Journal of Biogeography, 48(3), 548-560.
Aim – The amount of gene flow between parapatric species can be greatly variable depending on how species boundaries are maintained in respect to numerous genetic and ecological factors that affect the ...
Băncilă, R. I., Plăiaşu, R., Stănescu, F., Schmidt, B. R., Nae, I., & Denoël, M. (2021). Food level and light conditions affect the antipredator behavior in larvae of a stream-breeding amphibian. Behavioral Ecology and Sociobiology, 75(2), 36.
Understanding how long-term changes in environmental conditions influence the way that individuals cope with threats is essential in the context of behavioral adaptation to a rapidly changing world. However ...
Lejeune, B., Bissey, L., Didaskalou, E., Sturaro, N., Lepoint, G., & Denoël, M. (2021). Progenesis as an intrinsic factor of ecological opportunity in a polyphenic amphibian. Functional Ecology, 35(2), 546-560.
1. Paedomorphosis, a developmental heterochrony involving the retention of larval traits at the adult stage, is considered a major evolutionary process because it can generate phenotypic variation without ...
Schabetsberger, R., Grapci-Kotori, L., Ibrahimi, H., Bilalli, A., Levkov, Z., Jersabek, C. D., Vorage, M., Denoël, M., Kaiser, R., Pall, K., Eisendle, U., Eder, E., & Sadiku, A. (2021). First limnological characterization of Lakes Leqinat and Drelaj in Bjeshkët e Nemuna National Park, Kosovo. Eco.mont, 13(1), 12-21.
The Balkan Peninsula is a biodiversity hotspot and hosts numerous mountain lakes, which offer a refuge for a multitude of species. However, previous pristine habitats have been deeply affected by anthropogenic ...
Bonett, R. M., Ledbetter, N. M., Hess, A. J., Herrboldt, M. A., & Denoël, M. (2021). Repeated ecological and life cycle transitions make salamanders an ideal model for evolution and development. Developmental Dynamics, n/a(n/a).
Observations on the ontogeny and diversity of salamanders provided some of the earliest evidence that shifts in developmental trajectories have made a substantial contribution to the evolution of animal forms ...
Székely, D., Cogălniceanu, D., Székely, P., & Denoël, M. (2020). Adult—Juvenile interactions and temporal niche partitioning between life-stages in a tropical amphibian. PLoS ONE, 15(9), 0238949.
Divergence in ecological niche offers organisms the opportunity of exploiting different food and habitat resources, scaling down competition and predation both among species, and within different age or size ...
Lucati, F., Poignet, M., Miró, A., Trochet, A., Aubret, F., Barthe, L., Bertrand, R., Buchaca, T., Calvez, O., Caner, J., Darnet, E., Denoël, M., Guillaume, O., Le Chevalier, H., Martínez-Silvestre, A., Mossoll-Torres, M., O’Brien, D., Osorio, V., Pottier, G., Richard, M., Sabás, I., Souchet, J., Tomàs, J., & Ventura, M. (2020). Multiple glacial refugia and contemporary dispersal shape the genetic structure of an endemic amphibian from the Pyrenees. Molecular Ecology, 29(15), 2904-2921.
Historical factors (colonization scenarios, demographic oscillations) and contemporary processes (population connectivity, current population size) largely contribute to shaping species’ present-day genetic ...
Carion, A., Markey, A., Hétru, J., Carpentier, C., Suarez-Ulloa, V., Denoël, M., Earley, R. L., & Silvestre, F. (2020). Behavior and gene expression in the brain of adult self-fertilizing mangrove rivulus fish (Kryptolebias marmoratus) after early life exposure to the neurotoxin β-N-methylamino-L-alanine (BMAA). NeuroToxicology, 79, 110-121.
β-N-methylamino-L-alanine (BMAA), a neurotoxin naturally produced by cyanobacteria, diatoms and dinoflagellates, constitutes a serious environmental and health threat especially during acute blooms, which are ...
Székely, D., Cogalniceanu, D., Székely, P., Armijos-Ojeda, D., Espinosa-Mogrovejo, V., & Denoël, M. (2020). How to recover from a bad start: size at metamorphosis affects growth and survival in a tropical amphibian. BMC Ecology, 20, 24.
Background: In species with complex life cycles, size at metamorphosis is a key life-history trait which reflects the complex interactions between costs and benefits of life in the aquatic and terrestrial ...
Toli, E. A., Chavas, C., Denoël, M., Bounas, A., & Sotiropoulos, K. (2020). A subtle threat: behavioral and phenotypic consequences of invasive mosquitofish on a native paedomorphic newt. Biological Invasions, 22(4), 1299-1308.
Aquatic invaders often cause severe declines of native amphibian populations, either through competition, predation and/or alterations of the habitat. Such situation has raised additional concerns for the ...
Cayuela, H., Valenzuela-Sánchez, A., Teulier, L., Martínez-Solano, Í., Léna, J.-P., Merilä, J., Muths, E., Shine, R., Quay, L., Denoël, M., Clobert, J., & Schmidt, B. R. (2020). Determinants and Consequences of Dispersal in Vertebrates with Complex Life Cycles: A Review of Pond-Breeding Amphibians. Quarterly Review of Biology, 95(1), 1-36.
Dispersal is a central process in ecology and evolution. It strongly influences the dynamics of spatially structured populations and affects evolutionary processes by shaping patterns of gene flow. For these ...
Denoël, M. (2020). Préservation de la biodiversité. Lettres ouvertes au Parlement européen. Courrier de la Nature, 321, 18-19.
Dufresnes, C., Mazepa, G., Jablonski, D., Oliveira, R. C., Wenseleers, T., Shabanov, D. A., Auer, M., Ernst, R., Koch, C., Ramírez-Chaves, H. E., Mulder, K. P., Simonov, E., Tiutenko, A., Kryvokhyzha, D., Wennekes, P. L., Zinenko, O. I., Korshunov, O. V., Al-Johany, A. M., Peregontsev, E. A., Masroor, R., Betto-Colliard, C., Denoël, M., Borkin, L. J., Skorinov, D. V., Pasynkova, R. A., Mazanaeva, L. F., Rosanov, J. M., Dubey, S., & Litvinchuk, S. (2019). Fifteen shades of green: The evolution of Bufotes toads revisited. Molecular Phylogenetics and Evolution, 141, 106615.
The radiation of Palearctic green toads (Bufotes) holds great potential to evaluate the role of hybridization in phylogeography at multiple stages along the speciation continuum. With fifteen species ...
Dufresnes, C., Strachinis, I., Suriadna, N., Mykytynets, G., Cogălniceanu, D., Székely, P., Vukov, T., Arntzen, J. W., Wielstra, B., Lymberakis, P., Geffen, E., Gafny, S., Kumlutaş, Y., Ilgaz, Ç., Candan, K., Mizsei, E., Szabolcs, M., Kolenda, K., Smirnov, N., Géniez, P., Lukanov, S., Crochet, P.-A., Dubey, S., Perrin, N., Litvinchuk, S. N., & Denoël, M. (2019). Phylogeography of a cryptic speciation continuum in Eurasian spadefoot toads (Pelobates). Molecular Ecology, 28(13), 3257-3270.
Cryptic phylogeographic diversifications provide unique models to examine the role of phylogenetic divergence on the evolution of reproductive isolation, without extrinsic factors such as ecological and ...
Denoël, M., Drapeau, L., & Winandy, L. (2019). Reproductive fitness consequences of progenesis: sex-specific payoffs in safe and risky environments. Journal of Evolutionary Biology, 32(6), 629-637.
Progenesis is considered to have an important role in evolution because it allows the retention of both a larval body size and shape in an adult morphology. However, the cost caused by the adoption of a ...
Dufresnes, C., Strachinis, I., Tzoras, E., Litvinchuk, S. N., & Denoël, M. (2019). Call a spade a spade: taxonomy and distribution of Pelobates, with description of a new Balkan endemic. ZooKeys, 859, 131-158.
The genomic era contributes to update the taxonomy of many debated terrestrial vertebrates. In an accompanying work, we provided a comprehensive molecular assessment of spadefoot toads (Pelobates) using ...
Denoël, M., Ficetola, G. F., Sillero, N., Dzukic, G., Kalezic, M. L., Vukov, T., Muhovic, I., Ikovic, V., & Lejeune, B. (2019). Traditionally managed landscapes do not prevent amphibian decline and the extinction of paedomorphosis. Ecological Monographs, 89(2).
Eco-cultural landscapes are assumed to be favourable environments for the persistence of biodiversity, but global change may affect differently their terrestrial and aquatic components. Yet, few long-term ...
Oromi Farrús, N., Valbuena-Ureña, E., Soler-Membrives, A., Amat, F., Camarasa, S., Carranza, S., Sanuy, D., & Denoël, M. (2019). Genetic structure of lake and stream populations in a Pyrenean amphibian (Calotriton asper) reveals evolutionary significant units associated with paedomorphosis. Journal of Zoological Systematics and Evolutionary Research, 57(2), 418-430.
Differences in environmental conditions such as those between lakes and streams can produce phenotypic variation and ultimately promote evolutionary diversification. Some species of newts and salamanders can ...
Denoël, M., Drapeau, L., Oromi Farrús, N., & Winandy, L. (2019). The role of predation risk in metamorphosis versus behavioural avoidance: a sex-specific study in a facultative paedomorphic amphibian. Oecologia, 189(3), 637-645.
Evolutionary theory predicts the evolution of metamorphosis over paedomorphosis (the retention of larval traits at the adult stage) in response to life in unfavourable habitats and to the benefits of dispersal ...
Ficetola, G. F., Sacchi, R., Scali, S., Manenti, R., Coladonato, A., Melotto, A., Falaschi, M., Razzetti, E., Mangiacotti, M., Canessa, S., Villa, A., Corti, C., van Riemsdijk, I., Wielstra, B., Ludwigs, J.-D., Montinaro, G., Crnobrnja-Isailovic, J., Denoël, M., Kaliontzopoulou, A., Cogalniceanu, D., Vörös, J., Lymberakys, P., Zuffi, M., & Sannolo, M. (Eds.). (2019). XX European Congress of Herpetology, Milan, 2-6 September 2019. Program and Abstracts. Milano, Italy: S.E.H.
Delcourt, J., Ovidio, M., Denoël, M., Muller, M., Pendeville-Samain, H., Deneubourg, J.-L., & Poncin, P. (2018). Individual identification and marking techniques for zebrafish. Reviews in Fish Biology and Fisheries, 28(4), 839-864.
In laboratory fish research, the zebrafish Danio rerio (Cyprinidae) represents the equivalent of the mouse in mammalian research. This species has become a major model for studies in developmental and ...
Sillero, N., Campos, J., Bonardi, A., Corti, C., Creemers, R., Crochet, P.-A., Crnobrnja Isailović, J., Denoël, M., Ficetola, G. F., Gonçalves, J., Kuzmin, S., Lymberakis, P., de Pous, P., Rodríguez, A., Sindaco, R., Speybroeck, J., Toxopeus, B., Vieites, D. R., & Vences, M. (2018). NA2RE is reliable but aims for improvement: an answer to Vamberger and Fritz (2018). Biologia, 73(11), 1131-1135.
A recent paper has suggested that NA2RE, the New Atlas of Amphibians and Reptiles of Europe, does not provide a reliable basis for ecological niche modelling studies due to errors flagging introductions and ...
Denoël, M., Dalleur, S., Langrand, E., Besnard, A., & Cayuela, H. (2018). Dispersal and alternative breeding site fidelity strategies in an amphibian. Ecography, 41(9), 1543-1555.
Dispersal (i.e., movement from a natal or breeding site to another breeding site) is a central process in ecology and evolution as it affects the eco-evolutionary dynamics of spatially structured populations ...
Székely, D., Cogălniceanu, D., Székely, P., & Denoël, M. (2018). Dryness affects burrowing depth in a semi-fossorial amphibian. Journal of Arid Environments, 155, 79-81.
The fossorial life-history emerged as a response to hostile environmental conditions, such as extreme temperatures and dryness. It evolved independently in different lineages of amphibians, which are ...
Valbuena-Ureña, E., Oromi Farrús, N., Soler-Membrives, A., Carrranza, S., Amat, F., Camarasa, S., Denoël, M., Guillaume, O., Sanuy, D., Loyau, A., Schmeller, D. S., & Steinfartz, S. (2018). Jailed in the mountains: Genetic diversity and structure of an endemic newt species across the Pyrenees. PLoS ONE, 13(8), 0200214.
The Pyrenees represent a natural laboratory for biogeographic, evolutionary and ecological research of mountain fauna as a result of the high variety of habitats and the profound effect of the glacial and ...
Székely, D., Székely, P., Denoël, M.* , & Cogălniceanu, D.* . (2018). Random size-assortative mating despite size-dependent fecundity in a Neotropical amphibian with explosive reproduction. Ethology, 124(4), 218-226.
Sexual selection theory predicts that, when body size is correlated with fecundity, there should be fitness advantages for mate choice of the largest females. Moreover, because larger males are expected to ...
* These authors have contributed equally to this work.
Wielstra, B., Canestreli, D., Cvijanović, M., Denoël, M., Fijarczyk, A., Jablonski, D., Liana, M., Naumov, B., Olgun, K., Pabijan, M., Pezzarossa, A., Popgeorgiev, G., Salvi, D., Si, Y., Sillero, N., Sotiropoulos, K., Zieliński, P., & Babik, W. (2018). The distributions of the six species constituting the smooth newt species complex (Lissotriton vulgaris sensu lato and L. montandoni) – an addition to the New Atlas of Amphibians and Reptiles of Europe. Amphibia-Reptilia, 39(2), 252-259.
The ‘smooth newt’, the taxon traditionally referred to as Lissotriton vulgaris, consists of multiple morphologically distinct taxa. Given the uncertainty concerning the validity and rank of these taxa, L ...
Lejeune, B., Sturaro, N., Lepoint, G., & Denoël, M. (2018). Facultative paedomorphosis as a mechanism promoting intraspecific niche differentiation. Oikos, 127(3), 427-439.
Organisms with complex life cycles are characterized by a metamorphosis that allows for a major habitat shift and the exploitation of alternative resources. However, metamorphosis can be bypassed in some ...
Tomašević, N., Cvijanović, M., Denoël, M., & Ivanović, A. (2017). Morphological integration and alternative life history strategies: a case study in a facultatively paedomorphic newt. Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution, 328(8), 737-748.
Tetrapod limbs are serially homologous structures that represent a particularly interesting model for studies on morphological integration, i.e. the tendency of developmental systems to produce correlated ...
Székely, D., Denoël, M., Székely, P., & Cogalniceanu, D. (2017). Pond drying cues and their effects on growth and metamorphosis in a fast developing amphibian. Journal of Zoology, 303(2), 129-135.
The hydroperiod of breeding habitats imposes a strong selection on amphibians and pond-breeding species usually exhibit a high degree of plasticity in the duration of larval period. However, the potential for ...
Dufresne, C.* , Denoël, M.* , Di Santo, L., & Dubey, S. (2017). Multiple uprising invasions of Pelophylax water frogs, potentially inducing a new hybridogenetic complex. Scientific Reports, 7, 6506.
The genetic era has revolutionized our perception of biological invasions. Yet, it is usually too late to understand their genesis for efficient management. Here, we take the rare opportunity to reconstruct ...
* These authors have contributed equally to this work.
Denoël, M. (2017). On the identification of paedomorphic and overwintering larval newts based on cloacal shape: review and guidelines. Current Zoology, 63(2), 165-173.
Paedomorphosis is an alternative process to metamorphosis in which adults retain larval traits at the adult stage. It is frequent in newts and salamanders, where larvae reach sexual maturity without losing ...
Mathiron, A., Lena, J.-P., Baouch, S., & Denoël, M. (2017). The ‘male escape hypothesis’: sex-biased metamorphosis in response to climatic drivers in a facultatively paedomorphic amphibian. Proceedings of the Royal Society. Biological Sciences, 284(1853), 20170176.
Paedomorphosis is a major evolutionary process that bypasses metamorphosis and allows reproduction in larvae. In newts and salamanders, it can be facultative with paedomorphs retaining gills and metamorphs ...
Székely, D., Cogalniceanu, D., Székely, P., & Denoël, M. (2017). Out of the ground: two coexisting fossorial toad species differ in their emergence and movement patterns. Zoology, 121, 49-55.
Understanding the way species with similar niches can coexist is a challenge in ecology.The niche partitioning hypothesis has received much support, positing that species can exploit available resources in ...
Winandy, L., Legrand, P., & Denoël, M. (2017). Habitat selection and reproduction of newts in networks of fish and fishless aquatic patches. Animal Behaviour, 123, 107-115.
The spatial distribution of organisms in patchy environments can be determined by the relationship between habitat quality and animal behaviour. In species with complex life cycles, such as pond-breeding ...
Gennotte, V., Akonkwa, B., Mélard, C., Denoël, M., Cornil, C., & Rougeot, C. (2017). Do sex reversal procedures differentially affect agonistic behaviors and sex steroid levels depending on the sexual genotype in Nile tilapia? Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology, 327(4), 153-162.
In Nile tilapia Oreochromis niloticus, phenotypic males and females with different sexual genotypes (XX, XY, YY) have particular behavioural and physiological traits. Compared to natural XX females and XY ...
Manenti, R., Melotto, A., Denoël, M., & Ficetola, G. F. (2016). Amphibians breeding in refuge habitats have larvae with stronger antipredator responses. Animal Behaviour, 118, 115-121.
Antipredator responses are a key determinant of the successful persistence of prey, and behavioural modifications are a frequent antipredator strategy. However, conspecific populations often inhabit ...
Oromi Farrús, N., Michaux, J., & Denoël, M. (2016). High gene flow between alternative morphs and the evolutionary persistence of facultative paedomorphosis. Scientific Reports, 6, 32046.
Paedomorphosis and metamorphosis are two major developmental processes that characterize the evolution of complex life cycles in many lineages. Whereas these processes were fixed in some taxa, they remained ...
Winandy, L., Colin, M., & Denoël, M. (2016). Temporal habitat shift of a polymorphic newt species under predation risk. Behavioral Ecology, 27(4), 1025-1032.
The temporal partitioning hypothesis suggests that the evolution of different diel activity rhythms in animals might facilitate the coexistence between prey and predators. However, the temporal shift of ...
Delcourt, J., Bode, W. F. N., & Denoël, M. (2016). Collective vortex behaviors: diversity, proximate, and ultimate causes of circular animal group movements. Quarterly Review of Biology, 91(1), 1-24.
Ant mill, caterpillar circle, bat doughnut, amphibian vortex, duck swirl, and fish torus are different names for rotating circular animal formations, where individuals turn around a common center. These ...
Arntzen, J. W., King, T. M., Denoël, M., Martínez-Solano, I., & Wallis, G. P. (2016). Provenance of Ichthyosaura alpestris (Caudata: Salamandridae) introductions to France and New Zealand assessed by mitochondrial DNA analysis. Herpetological Journal, 26(1), 49-56.
The last century has seen an unparalleled movement of species around the planet as a direct result of human activity, which has been a major contributor to the biodiversity crisis. Amphibians represent a ...
Denoël, M., Scime, P., & Zambelli, N. (2016). Newt life after fish introduction: extirpation of paedomorphosis in a mountain fish lake and newt use of satellite pools. Current Zoology, 62(1), 61-69.
Fish introduction is one of the main causes of amphibian decline worldwide. It affects particularly rare aquatic phenotypes such as paedomorphs, which retain gills during the adult stage. In this context, we ...
Denoël, M., & Winandy, L. (2015). The importance of phenotypic diversity in conservation: Resilience of palmate newt morphotypes after fish removal in Larzac ponds (France). Biological Conservation, 192, 402-408.
Resilience of organisms after threat removal is an essential feature to justify conservation efforts. Amphibians are particularly threatened with a worldwide decline, showing a low resistance to invaders such ...
Winandy, L., Darnet, E., & Denoël, M. (2015). Amphibians forgo aquatic life in response to alien fish introduction. Animal Behaviour, 109, 209-216.
Species with complex life cycles are good models to understand trade-offs between life in hostile and favourable habitats. Newts remain in breeding wetlands for a long period and are strongly affected by fish ...
Winandy, L., & Denoël, M. (2015). The aggressive personality of an introduced fish affects foraging behavior in a polymorphic newt. Behavioral Ecology, 26(6), 1528-1536.
The study of personality has aroused much interest and has provided insight into the understanding of animal behavior. Nevertheless, the study of the ecological consequences of personality is a newer field ...
Denoël, M., & Ficetola, F. (2015). Using kernels and ecological niche modeling to delineate conservation areas in an endangered patch-breeding phenotype. Ecological Applications, 25(7), 1922-1931.
Efficient delineation of conservation areas is a great challenge in maintaining biodiversity. Kernel density estimators (KDEs) are a powerful tool in this perspective, but they have not been applied at the ...
Winandy, L., & Denoël, M. (2015). Expression of sexual ornaments in a polymorphic species: phenotypic variation in response to environmental risk. Journal of Evolutionary Biology, 28(5), 1049-1056.
Secondary sexual traits may evolve under the antagonistic context of sexual and natural selection. In some polymorphic species, these traits are only expressed during the breeding period and are differently ...
Preud'Homme, V., Milla, S., Gillardin, V., De Pauw, E., Denoël, M., & Kestemont, P. (2015). Effects of low dose endosulfan exposure on brain neurotransmitter levels in the African clawed frog Xenopus laevis. Chemosphere, 120(2), 357-364.
Understanding the impact of pesticides in amphibians is of growing concern to assess the causes of their decline. Among pesticides, endosulfan belongs to one of the potential sources of danger because of its ...
Colleoni, E., Denoël, M., Padoa-Schioppa, E., Scali, S., & Ficetola, G. F. (2014). Rensch’s rule and sexual dimorphism in salamanders: patterns and potential processes. Journal of Zoology, 293(3), 143-151.
Body size is influenced by the interaction of multiple forces, whose effects can determine the occurrence of sexual size dimorphism (SSD). Rensch's rule is the increase of SSD with body size in taxa where ...
Denoël, M., & Winandy, L. (2014). Fire salamander (Salamandra salamandra) in Larzac plateau: low occurrence, pond-breeding and cohabitation of larvae with paedomorphic palmate newts (Lissotriton helveticus). Acta Herpetologica, 9(1), 43-49.
Alternative reproductive strategies are widespread in caudate amphibians. Among them, fire salamanders (Salamandra salamandra) usually rely on streams to give birth to aquatic larvae but also use ponds ...
Denoël, M., & Ficetola, G. F. (2014). Heterochrony in a complex world: disentangling environmental processes of facultative paedomorphosis in an amphibian. Journal of Animal Ecology, 83(3), 606-615.
1. Heterochrony, the change in the rate or timing of development between ancestors and their descendants, plays a major role in evolution. When heterochrony produces polymorphisms, it offers the possibility to ...
Ivanović, A., Cvijanović, M., Denoël, M., Slijepčević, M., & Kalezić, M. L. (2014). Facultative paedomorphosis and the pattern of intra- and interspecific variation in cranial skeleton: lessons from European newts (Ichthyosaura alpestris and Lissotriton vulgaris). Zoomorphology, 133(1), 99-109.
Paedomorphosis, the presence of ancestral larval and juvenile traits that occur at the descendent adult stage, is an evolutionary phenomenon that shaped morphological evolution in many vertebrate lineages ...
Sillero, N., Campos, J., Bonardi, A., Corti, C., Creemers, R., Crochet, P.-A., Crnobrnja Isailovic, J., Denoël, M., Ficetola, G. F., Gonçalves, J., Kuzmin, S., Lymberakis, P., de Pous, P., Rodriguez, A., Sindaco, R., Speybroeck, J., Toxopeus, B., Vieites, D. R., & Vences, M. (2014). Updated distribution and biogeography of amphibians and reptiles of Europe. Amphibia-Reptilia, 35(1), 1-31.
A precise knowledge of the spatial distribution of taxa is essential for decision-making processes in land management and biodiversity conservation, both for present and under future global change scenarios ...
Winandy, L., & Denoël, M. (2013). Introduced goldfish affect amphibians through inhibition of sexual behaviour in risky habitats: an experimental approach. PLoS ONE, 8(11), 82736.
The introduction of alien species is one of the major causes of current and global biodiversity loss. The introduction of fish can be a particular threat to native amphibian populations, which are declining ...
Denoël, M., Perez, A., Cornet, Y., & Ficetola, G. F. (2013). Similar local and landscape processes affect both a common and a rare newt species. PLoS ONE, 8(5), 62727.
Although rare species are often the focus of conservation measures, more common species may experience similar decline and suffer from the same threatening processes. We tested this hypothesis by examining ...
Delcourt, J., Denoël, M., Ylieff, M., & Poncin, P. (2013). Video multitracking of fish behaviour: a synthesis and future perspectives. Fish and Fisheries, 14(2), 186-204.
With the development of digital imaging techniques over the last decade, there are now new opportunities to study complex behavioural patterns in fish (e.g. schooling behaviour) and to track a very large ...
Denoël, M., Libon, S., Kestemont, P., Brasseur, C., Focant, J.-F., & De Pauw, E. (2013). Effects of a sublethal pesticide exposure on locomotor behavior: A video-tracking analysis in larval amphibians. Chemosphere, 90(3), 945-951.
Organochlorine pesticides such as endosulfan have been shown to have both lethal and sublethal effects on amphibians. In this context, behavioral endpoints have proved their usefulness in evidencing impacts of ...
Drechsler, A., Geller, D., Freund, K., Schmeller, D. S., Künzel, S., Rupp, O., Loyau, A., Denoël, M., Valbuena-Ureña, E., & Steinfartz, S. (2013). What remains from a 454 run: estimation of success rates of microsatellite loci development in selected newt species (Calotriton asper, Lissotriton helveticus, and Triturus cristatus) and comparison with Illumina-based approaches. Ecology and Evolution, 3(11), 3947-3957.
The development of microsatellite loci has become more efficient using next-generation sequencing (NGS) approaches, and many studies imply that the amount of applicable loci is large. However, few studies have ...
Lavorato, M., Bernabo, I., Crescente, A., Denoël, M., Tripepi, S., & Brunelli, E. (2013). Endosulfan effects on Rana dalmatina tadpoles: Quantitative developmental and behavioural analysis. Archives of Environmental Contamination and Toxicology, 64(2), 253-262.
Endosulfan is an organochlorine pesticide that was recently labeled as a persistent organic pollutant, but it is still widely employed, particularly in developing countries. The goal of this study is to ...
Longrie, N., Poncin, P., Denoël, M., Gennotte, V., Delcourt, J., & Parmentier, E. (2013). Behaviours Associated with Acoustic Communication in Nile Tilapia (Oreochromis niloticus). PLoS ONE, 8(4), 61467.
Manenti, R., Denoël, M., & Ficetola, G. F. (2013). Foraging plasticity favours adaptation to new habitats in fire salamanders. Animal Behaviour, 86(2), 375-382.
Predators often show strong plasticity of optimal foraging strategies. A major difference in foraging strategies occurs between sit-and-wait and active predators. Models predict that the efficiency of these ...
Winandy, L., & Denoël, M. (2013). Cues from introduced fish alter shelter use and feeding behaviour in adult alpine newts. Ethology, 119(2), 121-129.
Amphibians are particularly affected by alien fish introductions and are declining worldwide. However, the behavioural mechanisms behind the observed cases of coexistence and exclusion patterns between adult ...
Denoël, M. (2012). Newt decline in Western Europe: highlights from relative distribution changes within guilds. Biodiversity and Conservation, 21(11), 2887-2898.
The recent increase in the number of monitoring schemes has formed the basis for high quality distribution atlases. This provides the opportunity of estimating global and specific decline patterns across ...
Denoël, M., D'hooghe, B., Ficetola, G. F., Brasseur, C., De Pauw, E., Thomé, J.-P., & Kestemont, P. (2012). Using sets of behavioral biomarkers to assess short-term effects of pesticide: a study case with endosulfan on frog tadpoles. Ecotoxicology, 21(4), 1240-1250.
Pesticides and other chemicals often have detrimental effects at environmental concentrations. Many amphibian species are particularly threatened because of their susceptibility but also because wetlands are ...
Whiteman, H., Wissinger, S. A., Denoël, M., Mecklin, C. J., Gerlanc, N. M., & Gutrich, J. J. (2012). Larval growth in polyphenic salamanders: making the best of a bad lot. Oecologia, 168(1), 109-118.
Polyphenisms are excellent models for studying phenotypic variation, yet few studies have focused on natural populations. Facultative paedomorphosis is a polyphenism in which salamanders either metamorphose or ...
Kopecky, O., Vojar, J., & Denoël, M. (2011). Sex-specific effect of pool desiccation on the movement of Alpine newts, Mesotriton alpestris (Laurenti, 1768), among breeding sites (Caudata: Salamandridae). Herpetozoa, 24(3/4), 127-134.
In unpredictable habitats, it is advantageous to amphibians to reduce the risk of weather-induced offspring mortality by utilization of several reproductive patches. In european deciduous forest landscapes ...
Winandy, L., & Denoël, M. (2011). The use of visual and automatized behavioral markers to assess methodologies: a study case on PIT-tagging in the Alpine newt. Behavior Research Methods, 43(2), 568-576.
Biomarkers are now widely used as tools in various research fields to assess individual integrity. The recent advances in quantification methods of behavioral patterns, such as computerized video-tracking ...
Denoël, M., Bichot, M., Ficetola, G. F., Delcourt, J., Ylieff, M., Kestemont, P., & Poncin, P. (2010). Cumulative effects of road de-icing salt on amphibian behavior. Aquatic Toxicology, 99(2), 275-280.
Despite growing evidence of the detrimental effect of chemical substances on organisms, limited research has focused on changes in behavioral patterns, in part due to the difficulties to obtain detailed ...
Denoël, M., & Doellen, J. (2010). Displaying in the dark: light-dependent alternative mating tactics in the Alpine newt. Behavioral Ecology and Sociobiology, 64(7), 1171-1175.
Environment plays a major role for determining the kind of courtship behaviours or alternative mating tactics employed, but the effect of physical variables on fitness has received little attention. The Alpine ...
Ficetola, G. F., Scali, S., Denoël, M., Montinaro, G., Vukov, T. D., Zuffi, M. A. L., & Padoa-Schioppa, E. (2010). Ecogeographical variation of body size in the newt Triturus carnifex: comparing the hypotheses using an information-theoretic approach. Global Ecology and Biogeography, 19(4), 485-495.
Aim. Ecogeographical body size variation in vertebrates (e.g., Bergmann’s rule) has long been recognized. However, the patterns and causes of intraspecific ecogeographical body size variation in ectotherms ...
Frederich, B., Mills, S. C., Denoël, M., Parmentier, E., Brié, C., Santos, R., Waqalevu, V. P., & Lecchini, D. (2010). Colour differentiation in a coral reef fish throughout ontogeny: habitat background and flexibility. Aquatic Biology, 9(3), 271-277.
Colour polymorphism is widespread in animals but, in contrast to other types of polymorphism, has been little explored during ontogeny. Among coral reef fish, the surge damselfish Chrysiptera leucopoma settles ...
Galloy, V., & Denoël, M. (2010). Detrimental effect of temperature increase on the fitness of an amphibian (Lissotriton helveticus). Acta Oecologica, 36(2), 179-183.
Increases of global temperatures have resulted in measurable shifts in the distribution, phenology and survival of some plant and animal species. However, the mechanisms showing links between global warming ...
González-Hernández, M., Denoël, M., Duffus, A. J. L., Garner, T. W. J., Cunningham, A. A., & Acevedo-Whitehouse, K. (2010). Dermocystid infection and associated skin lesions in free-living palmate newts (Lissotriton helveticus) from Southern France. Parasitology International, 59(3), 344-350.
Since the early 1900s, mesomycetozoan parasites have been reported in both European anuran and caudate species. These reports have primarily been descriptive, which has made assessing the impact of these ...
Kopecky, O., Vojar, J., & Denoël, M. (2010). Movements of Alpine newts (Mesotriton alpestris) between small aquatic habitats (ruts) during the breeding season. Amphibia-Reptilia, 31(1), 109-116.
Many species with complex life cycles, such as caudate amphibians, migrate from terrestrial to aquatic habitats for reproduction. However, movements between reproductive ponds within a breeding season have ...
Wissinger, S. A., Whiteman, H. H., Denoël, M., Mumford, M. L., & Aubee, C. B. (2010). Consumptive and nonconsumptive effects of cannibalism in fluctuating age-structured populations. Ecology, 91(2), 549-599.
Theory and empirical studies suggest that cannibalism in age-structured populations can regulate recruitment depending on the intensity of intraspecific competition between cannibals and victims and the nature ...
Denoël, M., Ficetola, G. F., Cirovic, R., Radovic, D., Dzukic, G., Kalezic, M. L., & Vukov, T. D. (2009). A multi-scale approach to facultative paedomorphosis of European newts (Salamandridae) in the Montenegrin karst: Distribution pattern, environmental variables, and conservation. Biological Conservation, 142(3), 509-517.
Facultative paedomorphosis, a process in which newt larvae can opt for reproduction before or after metamorphosis, is geographically heterogeneous. Despite numerous ecological studies and recent evidence of ...
Denoël, M., Ivanovic, A., Dzukic, G., & Kalezic, M. (2009). Sexual size dimorphism in the evolutionary context of facultative paedomorphosis: insights from European newts. BMC Evolutionary Biology, 9, 278.
BACKGROUND:Sexual size dimorphism (SSD) is a key evolutionary feature that has been studied in many organisms. In a wide range of species, this pattern is more complex because of polymorphism within each sex ...
Ficetola, G. F., & Denoël, M. (2009). Ecological thresholds: an assessment of methods to identify abrupt changes in species-habitat relationships. Ecography, 32(6), 1075-1084.
Habitat thresholds are usually defined as "points of abrupt change" in the species–habitat relationships. Habitat thresholds can be a key tool for understanding species requirements, and provide an objective ...
Denoël, M., & Demars, B. (2008). The benefits of heterospecific oophagy in a top predator. Acta Oecologica, 34(1), 74-79.
Oophagy is a behavioural pattern that has been found in a large variety of predator species in the animal kingdom. In contrast to other modes of feeding, it is peculiar in that it involves the detection ...
Denoël, M., & Ficetola, G. F. (2008). Conservation of newt guilds in an agricultural landscape of Belgium: the importance of aquatic and terrestrial habitats. Aquatic Conservation, 18(5), 714-728.
1. Amphibians are declining worldwide in response to local and global pressures. Pond-breeding species are particularly vulnerable to environmental change because they rely on two components of the landscape ...
Denoël, M. (2007). Priority areas of intraspecific diversity: Larzac, a global hotspot for facultative paedomorphosis in amphibians. Animal Conservation, 10(1), 110-116.
Although the designation of biodiversity hotspots is a valuable tool to improve conservation efforts, this is a concept primarily based on species diversity. In consequence, another component of biodiversity ...
Denoël, M. (2007). Le Triton alpestre, Triturus alpestris (Laurenti, 1768). In J.-P., Jacob, C., Percsy, H., de Wavrin, E., Graitson, T., Kinet, M., Denoël, M., Paquay, N., Percsy, & A., REmacle (Eds.), Amphibiens et Reptiles de WAllonie (pp. 62-71). Namur, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Denoël, M. (2007). Le Triton palmé, Triturus helveticus (Razoumowski, 1789). In J.-P., Jacob, C., Percsy, H., de Wavrin, E., Graitson, T., Kinet, M., Denoël, M., Paquay, N., Percsy, & A., Remacle (Eds.), Amphibiens et Reptiles de Wallonie (pp. 86-95). Namur, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Denoël, M. (2007). Le Triton ponctué, Triturus vulgaris (Linnaeus, 1758). In J.-P., Jacob, C., Percsy, H., de Wavrin, E., Graitson, T., Kinet, M., Denoël, M., Paquay, N., Percsy, & A., Remacle (Eds.), Amphibiens et Reptiles de Wallonie (pp. 96-103). Namur, Liège, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Denoël, M., & Ficetola, G. F. (2007). Landscape-level thresholds and newt conservation. Ecological Applications, 17(1), 302-309.
Ecological thresholds are defined as points or zones at which a rapid change occurs from one ecological condition to another. The existence of thresholds in species - habitat relationships has important ...
Denoël, M., Lena, J.-P., & Joly, P. (2007). Morph switching in a dimorphic population of Triturus alpestris (Amphibia, Caudata). Evolutionary Ecology, 21(3), 325-335.
The usual life cycle of Alpine newts comprises an aquatic larval stage and a terrestrial juvenile and adult stage. However, some populations differ from this pattern in exhibiting facultative paedomorphosis ...
Denoël, M., Whiteman, H. H., & Wissinger, S. A. (2007). Foraging tactics in alternative heterochronic salamander morphs: trophic quality of ponds matters more than water permanency. Freshwater Biology, 52(9), 1667-1676.
1. In lentic freshwater habitats, the composition of animal assemblages shifts along a gradient from temporary to permanent basins. When habitats with different degrees of permanence are at the scale of the ...
Graitson, E., & Denoël, M. (2007). Le Crapaud calamite, Bufo calamita Laurenti, 1768. In J.-P., Jacob, C., Percsy, H., de Wavrin, E., Graitson, T., Kinet, M., Denoël, M., Paquay, N., Percsy, & A., Remacle (Eds.), Amphibiens et Reptiles de Wallonie (pp. 142-151). Namur, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Jacob, J.-P., & Denoël, M. (2007). Le Triton crêté, Triturus cristatus (Laurenti, 1768). In J.-P., Jacob, C., Percsy, H., de Wavrin, E., Graitson, T., Kinet, M., Denoël, M., Paquay, N., Percsy, & A., Remacle, Amphibiens et Reptiles de Wallonie (pp. 72-85). Namur, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Jacob, J.-P., Percsy, C., de Wavrin, H., Graitson, E., Kinet, T., Denoël, M., Paquay, M., Percsy, N., & Remacle, A. (Eds.). (2007). Amphibiens et Reptiles de Wallonie. Namur, Belgique: Aves-Raînne et Centre de Recherche de la Nature, des Forêts et du Bois (MRW - DGRNE).
Denoël, M. (2006). Seasonal variation of morph ratio in facultatively paedomorphic populations of the palmate newt Triturus helveticus. Acta Oecologica, 29(2), 165-170.
Facultative paedomorphosis is a polyphenism in which individuals may express one of two alternative ontogenetic pathways (metamorphosis vs. paedomorphosis) depending on environmental cues. Previous laboratory ...
Denoël, M., & Lehmann, A. (2006). Multi-scale effect of landscape processes and habitat quality on newt abundance: Implications for conservation. Biological Conservation, 130(4), 495-504.
Recent studies in population dynamics suggest that landscape processes and habitat quality act at different scales on population abundances, but very few have modelled their simultaneous effects. However, at a ...
Denoël, M., Whiteman, H. H., & Wissinger, S. A. (2006). Temporal shift of diet in alternative cannibalistic morphs of the tiger salamander. Biological Journal of the Linnean Society, 89(2), 373-382.
Evolutionary theory predicts that alternative trophic morphologies are adaptive because they allow a broad use of resources in heterogeneous environments. The development of a cannibal morphology is expected ...
Denoël, M. (2005). Habitat partitioning in facultatively paedomorphic populations of palmate newts Triturus helveticus. AMBIO: A Journal of the Human Environment, 34(6), 476-477.
Denoël, M. (2005). Persistence and dispersion of an introduced population of Alpine Newt (Triturus alpestris) in the limestone plateau of Larzac (Southern France). Revue d'Ecologie, 60(2), 139-148.
Persistence and dispersion of an introduced population of Alpine Newt (Triturus alpestris) in the limestone plateau of Larzoc (southern France). - The study of introduced populations is interesting to better ...
Denoël, M., Džukić, G., & Kalezic, M. L. (2005). Effects of widespread fish introductions on paedomorphic newts in Europe. Conservation Biology, 19(1), 162-170.
As a result of factors such as global warming, habitat destruction, and species introduction, amphibians are declining worldwide. No one, however, has analyzed the status of polymorphic amphibian species at a ...
Denoël, M., Hector, M.-P., & Poncin, P. (2005). Courtship behavior in the Alpine newt Triturus alpestris at two different densities of males. Herpetologica, 61(4), 373-379.
The aim of this laboratory experiment was to examine courtship behavior and reproductive success under two different perceived male densities ill the Alpine newt (Triturus alpestris). Male behavioral patterns ...
Denoël, M., Joly, P., & Whiteman, H. H. (2005). Evolutionary ecology of facultative paedomorphosis in newts and salamanders. Biological Reviews of the Cambridge Philosophical Society, 80(4), 663-671.
Facultative paedomorphosis is an environmentally induced polymorphism that results in the coexistence of mature, gilled, and fully aquatic paedomorphic adults and transformed, terrestrial, metamorphic adults ...
Denoël, M., Mathieu, M., & Poncin, P. (2005). Effect of water temperature on the courtship behavior of the Alpine newt Triturus alpestris. Behavioral Ecology and Sociobiology, 58(2), 121-127.
Temperature is expected to have an effect on the behavioral patterns of all organisms, especially ectotherms. However, although several studies focused on the effect of temperature on acoustic displays in both ...
Džukić, G., Ćirović, R., Denoël, M., & Kalezić, M. L. (2005). Fish introduction is a major cause of paedomorphosis extinction in European newts (Triturus spp.). Froglog, 69, 3-4.
Denoël, M. (2004). Distribution and characteristics of aquatic habitats of newts and yellow-bellied toads in the district of Ioannina (Epirus, Greece). Herpetozoa, 17(1/2), 49-64.
The study describes the aquatic habitats and distribution of Triturus alpestris veluchiensis Wolterstorff 1935, T. carnifex macedonicus (Karaman, 1922), T. vulgaris graecus (Wolterstorff, 1905) and Bombina ...
Denoël, M. (2004). Feeding performance in heterochronic alpine newts is consistent with trophic niche and maintenance of polymorphism. Ethology, 110(2), 127-136.
The feeding performances of two heterochronic morphs of the Alpine newt Triturus alpestris were investigated in laboratory experiments. Although both morphs are able to feed in the aquatic habitat, the ...
Denoël, M. (2004). Répartition, habitat et conservation des amphibiens du Pays de Herve. Bulletin de la Société Herpétologique de France, 111-112, 49-77.
The knowledge of distribution and ecological determinants of species is a prerequisite to their conservation at a time where declines are generalized at a world scale. The aim of this study is to characterize ...
Denoël, M. (2004). Terrestrial versus aquatic foraging in juvenile Alpine newts (Triturus alpestris). Écoscience, 11(4), 404-409.
Many species of newts and salamanders forage in both terrestrial and aquatic environments during their life. However, the relative benefits of the two foraging patterns remain unknown because all previous ...
Denoël, M., Schabetsberger, R., & Joly, P. (2004). Trophic specialisations in alternative heterochronic morphs. Naturwissenschaften (Die), 91(2), 81-84.
Polymorphisms are suspected of reducing competition among conspecifics in heterogeneous environments by allowing differential resource use. However the adaptive significance of alternative morphs has been ...
Denoël, M. (2003). How do paedomorphic newts cope with lake drying? Ecography, 26(4), 405-410.
Paedomorphosis, in which adult individuals retain larval traits, is widespread in newts and salamanders. Most evolutionary models predict the maintenance of this life-history trait in favourable aquatic ...
Denoël, M. (2003). Avantages sélectifs d'un phénotype hétérochronique. Eco-éthologie des populations pédomorphiques du Triton alpestre, Triturus alpestris (Amphibia, Caudata). Liège, Belgique: Cahiers d'Ethologie.
Facultative paedomorphosis is a polyphenism that has important evolutionary implications in promoting morphological differentiation and habitat use variation, and has occurred in several urodele species ...
Denoël, M. (2003). Effect of rival males on the courtship of paedomorphic and metamorphic Triturus alpestris (Amphibia : Salamandridae). Copeia, 2003(3), 618-623.
Current theories on the alternative mating tactics suppose that individuals may opt for particular behavioral patterns depending of their morphological status. Facultative paedomorphosis in newts and ...
Denoël, M., & Andreone, F. (2003). Trophic habits and aquatic microhabitat use in gilled immature, paedomorphic and metamorphic Alpine newts (Triturus alpestris apuanus) in a pond in central Italy. Belgian Journal of Zoology, 133(2), 95-102.
Current evolutionary models suggest that the presence of heterogeneous habitats favours the evolution of polymorphisms. In such cases, alternative phenotypes can coexist because they use different resources ...
Denoël, M., & Schabetsberger, R. (2003). Resource partitioning in two heterochronic populations of Greek Alpine newts, Triturus alpestris veluchiensis. Acta Oecologica, 24(1), 55-64.
Current ecological models suggest that the maintenance of trophic polymorphisms is favoured by a different resource use in alternative morphs. Facultative paedomorphosis in newts is an example of phenotypic ...
Denoël, M. (2002). Paedomorphosis in the Alpine newt (Triturus alpestris): decoupling behavioural and morphological change. Behavioral Ecology and Sociobiology, 52(5), 394-399.
Paedomorphosis is a heterochronic pattern leading to morphological change, i.e. retention of larval characters in the adult phenotype. The aim of this study was to find out whether behaviour and morphology are ...
Denoël, M. (2002). Résumé de diplôme de thèse: "Avantages sélectifs d'un phénotype hétérochronique. Eco-éthologie des populations pédomorphiques du Triton alpestre, Triturus alpestris (Amphibia, Caudata)". Bulletin de la Société Herpétologique de France, 103, 75-76.
Denoël, M., Hervant, F., Schabetsberger, R., & Joly, P. (2002). Short- and long-term advantages of an alternative ontogenetic pathway. Biological Journal of the Linnean Society, 77(1), 105-112.
We documented hypotheses on the evolution of developmental heterochronies by estimating short- and long-term advantages of alternative morphs. In this respect, we compared food energy intakes and body ...
Denoël, M., & Poncin, P. (2001). The effect of food on growth and metamorphosis of paedomorphs in Triturus alpestris apuanus. Archiv für Hydrobiologie, 152(4), 661-670.
The effect of food level on growth and metamorphosis of paedomorphs was examined in an experimental replicated design in Triturus alpestris apuanus. Paedomorphosis concerns the retention of larval ...
Denoël, M., Duguet, R., Džukić, G., Kalezic, M., & Mazzotti, S. (2001). Biogeography and ecology of paedomorphosis in Triturus alpestris (Amphibia, Caudata). Journal of Biogeography, 28(10), 1271-1280.
Aim Paedomorphosis is an evolutionary change in which larval structures are retained in adult animals. In newts and salamanders, this heterochronic process is widely represented and concerns the retention of ...
Denoël, M., & Joly, P. (2001). Adaptive significance of facultative paedomorphosis in Triturus alpestris (Amphibia, Caudata): resource partitioning in an alpine lake. Freshwater Biology, 46(10), 1387-1396.
1. Facultative paedomorphosis is a polymorphism that has important evolutionary implications in promoting morphological differentiation and variation in habitat use. It occurs in several urodele species ...
Denoël, M., & Joly, P. (2001). Size-related predation reduces intramorph competition in paedomorphic Alpine newts. Canadian Journal of Zoology, 79(6), 943-948.
Evolutionary theory assumes that facultative paedomorphosis in newts and salamanders is adaptive in allowing either a younger age at maturity or resource partitioning between the heterochronic morphs. In newt ...
Denoël, M., Poncin, P., & Ruwet, J.-C. (2001). Alternative mating tactics in the alpine newt Triturus alpestris alpestris. Journal of Herpetology, 35(1), 62-67.
Sexual behaviors in dyadic encounters in the alpine newt, Triturus alpestris alpestris, is described to test whether male behavior is influenced by external cues, that is, female responsiveness. Depending on ...
Denoël, M., Poncin, P., & Ruwet, J.-C. (2001). Sexual compatibility between two heterochronic morphs in the Alpine newt, Triturus alpestris. Animal Behaviour, 62(3), 559-566.
Paedomorphosis, in which individuals retain ancestral characteristics in the adult stage, is widespread in newts and salamanders and is suspected to play an important role in evolution. In some species ...
Denoël, M., & Joly, P. (2000). Neoteny and progenesis as two heterochronic processes involved in paedomorphosis in Triturus alpestris (Amphibia: Caudata). Proceedings of the Royal Society. Biological Sciences, 267(1451), 1481-1485.
Current theories on the evolution of paedomorphosis suppose that several ontogenetic pathways have appeared according to different selective pressures. The aim of this study was to find out whether two ...
Denoël, M. (1999). Le comportement social des urodèles. Cahiers d'Ethologie, 19, 221-258.
It could be misleading to consider that the social behaviour of newts and salamanders is simple and can be generalized. Indeed, individuals are faced with external and internal conditions which are extremely ...
Denoël, M. (1998). The modulation of movement as a behavioral adaptation to extreme environments in the newt Triturus alpestris cyreni. Journal of Herpetology, 32, 623-625.
Denoël, M. (1997). Un cas de néoténie dans un bâtiment désaffecté, chez le Triton alpestre, Triturus alpestris apuanus (Salamandridae). Alytes, 15, 99-103.
A population of Triturus alpestris apuanus of the Apuane Alps (Tuscany , Italy) was studied during July 1994. The particularity of this population is that it breeds in an artificial site, in the dark and under ...
Denoël, M. (1996). Etude comparée du comportement de cour de Triturus alpestris alpestris (Laurenti, 1768) et Triturus alpestris cyreni (Wolterstorff, 1932) : approche évolutive. Liège, Belgique: Cahiers d'Ethologie.
The species concept in the animal world is very abstract. With diverse methods scientists try to place boundaries between species. But this is generally theoretical. Indeed species are in continuous evolution ...
Denoël, M. (1996). Phénologie et domaine vital de la salamandre terrestre Salamandra salamandra terrestris (Amphibia, Caudata) dans un bois du Pays de Herve (Belgique). Cahiers d'Ethologie, 16, 291-306.
The aim of this study was to approach some aspects of the life-history of the fire salamander Salamandra s. terrestris in a small wood of the Vesdre Valley (Liege Province, Belgium). In 1996, 189 salamanders ...