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Stronger negative species interactions in the tropics supported by a global analysis of nest predation in songbirds

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F22%3A73616317" target="_blank" >RIV/61989592:15310/22:73616317 - isvavai.cz</a>

  • Alternative codes found

    RIV/00216208:11310/22:10446290

  • Result on the web

    <a href="https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.14321" target="_blank" >https://onlinelibrary.wiley.com/doi/epdf/10.1111/jbi.14321</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1111/jbi.14321" target="_blank" >10.1111/jbi.14321</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Stronger negative species interactions in the tropics supported by a global analysis of nest predation in songbirds

  • Original language description

    Aim: Species interactions are assumed to be stronger closer to the equator. However, numerous studies provided conflicting results and considerable controversy exists concerning the latitudinal patterns in the intensity of biotic interactions. Thus, the question of whether biotic interactions are stronger near the equator remains open. Here, we provide a global evaluation of latitudinal trends in nest predation in songbirds and their explanations. Location: Worldwide. Taxon: Songbirds (Aves: Passeriformes). Methods: We collected published data on nest predation in 1297 populations of 659 species across the globe (124,958 nests). We quantified latitudinal trends in the intensity of nest depredation (daily predation rate, DPR) and in potential demographic impacts of nest depredation (the proportion of nests destroyed by predators). We also quantified the latitudinal trend in the proportion of failed nests destroyed by predators and assessed how nest depredation and latitudinal trends differed across nest types. We aimed at explaining spatial variation in nest predation by productivity and species richness of potential nest predators. Results: All measures of nest predation increased towards the equator and the increase was stronger in the northern hemisphere. Nest predation also increased withtime, and it was higher in open nests than in cavities. Nest predation increased with productivity (indexed by NDVI), independently of latitude. It also increased with species richness of potential nest predators, but this effect was confounded with latitude. Main conclusions: Tropical songbirds faced both higher intensity of nest predation (higher DPR) and more detrimental demographic outcomes of nest depredation (higher proportion of nests lost to predators). Moreover, the proportion of nest failure caused by predators also increased towards the equator. Our results support the view that birds are subject to strong biotic interactions close to the equator. Nest predation increased with productivity and tended to increase with species richness of potential nest predators.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10700 - Other natural sciences

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2022

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    JOURNAL OF BIOGEOGRAPHY

  • ISSN

    0305-0270

  • e-ISSN

    1365-2699

  • Volume of the periodical

    49

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    12

  • Pages from-to

    511-522

  • UT code for WoS article

    000761772800001

  • EID of the result in the Scopus database

    2-s2.0-85124768765