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Network reorganization and breakdown of an ant-plant protection mutualism with elavation

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60077344%3A_____%2F17%3A00474049" target="_blank" >RIV/60077344:_____/17:00474049 - isvavai.cz</a>

  • Result on the web

    <a href="http://rspb.royalsocietypublishing.org/content/royprsb/284/1850/20162564.full.pdf" target="_blank" >http://rspb.royalsocietypublishing.org/content/royprsb/284/1850/20162564.full.pdf</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1098/rspb.2016.2564" target="_blank" >10.1098/rspb.2016.2564</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Network reorganization and breakdown of an ant-plant protection mutualism with elavation

  • Original language description

    Both the abiotic environment and the composition of animal and plant communities change with elevation. For mutualistic species, these changes are expected to result in altered partner availability, and shifts in context-dependent benefits for partners. To test these predictions, we assessed the network structure of terrestrial ant-plant mutualists and how the benefits to plants of ant inhabitation changed with elevation in tropical forest in Papua New Guinea. At higher elevations, ant-plants were rarer, species richness of both ants and plants decreased, and the average ant or plant species interacted with fewer partners. However, networks became increasingly connected and less specialized, more than could be accounted for by reductions in ant-plant abundance. On the most common ant-plant, ants recruited less and spent less time attacking a surrogate herbivore at higher elevations, and herbivory damage increased. These changes were driven by turnover of ant species rather than by within-species shifts in protective behaviour. We speculate that reduced partner availability at higher elevations results in less specialized networks, while lower temperatures mean that even for ant-inhabited plants, benefits are reduced. Under increased abiotic stress, mutualistic networks can break down, owing to a combination of lower population sizes, and a reduction in context-dependent mutualistic benefits.

  • 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

    10618 - Ecology

Result continuities

  • Project

    <a href="/en/project/GA13-10486S" target="_blank" >GA13-10486S: Composition of observed, predicted and experimentally generated plant-insect food webs along an altitudinal gradient in New Guinea</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2017

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Proceedings of the Royal Society. B - Biological Sciences

  • ISSN

    0962-8452

  • e-ISSN

  • Volume of the periodical

    284

  • Issue of the periodical within the volume

    1850

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    10

  • Pages from-to

  • UT code for WoS article

    000397883100013

  • EID of the result in the Scopus database

    2-s2.0-85015268659