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 ...
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 ...
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., 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., 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., 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., 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. (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., 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. (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., 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., 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). 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 ...