The worldwide impact of urbanisation on avian functional diversity
Sol Rueda, Daniel (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Trisos, Christopher (University of Cape Town)
Múrria, Cesc (Universitat de Barcelona. Departament de Biologia Evolutiva, Ecologia i Ciències Ambientals)
Jeliazkov, Alienor (Halle-Jena-Leipzig. German Centre for Integrative Biodiversity Research)
González-Lagos, César (Universidad Bernardo O'Higgins. Centro de Investigación en Recursos Naturales y Sustentabilidad)
Pigot, Alex L. (University College London. Department of Genetics, Evolution and Environment)
Ricotta, Carlo (Università degli Studi di Roma "La Sapienza". Dipartimento di Biologia ambientale)
Swan, Christopher M. (University of Maryland Baltimore)
Tobias, Joseph (Imperial College London)
Pavoine, Sandrine (Sorbonne Université. Centre national de la recherche scientifique)

Data:	2020
Resum:	Urbanisation is driving rapid declines in species richness and abundance worldwide, but the general implications for ecosystem function and services remain poorly understood. Here, we integrate global data on bird communities with comprehensive information on traits associated with ecological processes to show that assemblages in highly urbanised environments have substantially different functional composition and 20% less functional diversity on average than surrounding natural habitats. These changes occur without significant decreases in functional dissimilarity between species; instead, they are caused by a decrease in species richness and abundance evenness, leading to declines in functional redundancy. The reconfiguration and decline of native functional diversity in cities are not compensated by the presence of exotic species but are less severe under moderate levels of urbanisation. Thus, urbanisation has substantial negative impacts on functional diversity, potentially resulting in impaired provision of ecosystem services, but these impacts can be reduced by less intensive urbanisation practices.
Ajuts:	Agencia Estatal de Investigación CGL2017-90033-P
Drets:	Aquest material està protegit per drets d'autor i/o drets afins. Podeu utilitzar aquest material en funció del que permet la legislació de drets d'autor i drets afins d'aplicació al vostre cas. Per a d'altres usos heu d'obtenir permís del(s) titular(s) de drets.
Llengua:	Anglès
Document:	Article ; recerca ; Versió sotmesa a revisió
Publicat a:	Ecology letters, Vol. 23, issue 6 (June 2020) , p. 962-972, ISSN 1461-0248

DOI: 10.1111/ele.13495

Preprint 47 p, 7.3 MB

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Articles > Articles de recerca
Articles > Articles publicats