Article (Scientific journals)
Artificial Green Corridors in an Andean City as Effective Support of Avian Diversity
Hambuckers, Alain; Delcourt, Johann; Leborgne, Bryan et al.
2023In Diversity, 15 (2), p. 302
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Keywords :
functional diversity; morphological traits; ecological traits; noise; habitat analysis; connectivity
Abstract :
[en] Ensuring connectivity in the countryside and cities is a key element of nature protection, allowing genetic fluxes between populations in fragmented ecosystems. We tested the hypothesis that artificial green corridors are effective for birds in the city of Cochabamba (Bolivia). We compared the following aspects of natural corridors, with generally preserved vegetation, to those of artificial corridors, constituting parks and gardens in a matrix of streets densely planted with trees: species abundance and richness, functional diversity, and the traits of bird communities. We used canonical redundancy analysis to relate species abundance to the corridor type, noise, tree vegetation structure, richness, and functional diversity. We also tested the explanatory factors for relationships with bird species richness, functional diversity, and traits. We found that most species were shared between the corridor types; the corridor type, nevertheless, had significant effects, with bird species in the green corridors being more common and heavier and having a lower beak depth/mass. By contrast, noise-reflecting urbanization deeply affected all of the studied traits, indicating large shifts in species composition. In conclusion, green corridors seem reliable enough to maintain birds at a level almost comparable to that in linear corridors, but noise is a limiting factor for efficiency for both types.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Hambuckers, Alain  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution > Biologie du comportement - Ethologie et psychologie animale
Delcourt, Johann  ;  Université de Liège - ULiège > Département de Biologie, Ecologie et Evolution
Leborgne, Bryan;  Behavioural Biology Lab, Unit of Research SPHERES, University of Liège, Quai Van Beneden 22, 4020 Liège, Belgium ; Centro de Biodiversidad y Genética, Universidad Mayor de San Simón, Cochabamba 4926, Bolivia
Cahill, Jennifer R. A. ;  Centro de Biodiversidad y Genética, Universidad Mayor de San Simón, Cochabamba 4926, Bolivia
Language :
English
Title :
Artificial Green Corridors in an Andean City as Effective Support of Avian Diversity
Publication date :
18 February 2023
Journal title :
Diversity
eISSN :
1424-2818
Publisher :
MDPI AG
Volume :
15
Issue :
2
Pages :
302
Peer reviewed :
Peer Reviewed verified by ORBi
Development Goals :
15. Life on land
11. Sustainable cities and communities
3. Good health and well-being
Funding text :
This research was funded by a grant covering the travel costs of B.L. between Belgium and Bolivia.
Available on ORBi :
since 22 February 2023

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