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The contribution of insects to global forest deadwood decomposition

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388971%3A_____%2F21%3A00546764" target="_blank" >RIV/61388971:_____/21:00546764 - isvavai.cz</a>

  • Result on the web

    <a href="https://www.nature.com/articles/s41586-021-03740-8" target="_blank" >https://www.nature.com/articles/s41586-021-03740-8</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1038/s41586-021-03740-8" target="_blank" >10.1038/s41586-021-03740-8</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    The contribution of insects to global forest deadwood decomposition

  • Original language description

    The amount of carbon stored in deadwood is equivalent to about 8 per cent of the global forest carbon stocks(1). The decomposition of deadwood is largely governed by climate(2-5) with decomposer groups-such as microorganisms and insects-contributing to variations in the decomposition rates(2,6,7). At the global scale, the contribution of insects to the decomposition of deadwood and carbon release remains poorly understood(7). Here we present a field experiment of wood decomposition across 55 forest sites and 6 continents. We find that the deadwood decomposition rates increase with temperature, and the strongest temperature effect is found at high precipitation levels. Precipitation affects the decomposition rates negatively at low temperatures and positively at high temperatures. As a net effect-including the direct consumption by insects and indirect effects through interactions with microorganisms-insects accelerate the decomposition in tropical forests (3.9% median mass loss per year). In temperate and boreal forests, we find weak positive and negative effects with a median mass loss of 0.9 per cent and0.1 per cent per year, respectively. Furthermore, we apply the experimentally derived decomposition function to a global map of deadwood carbon synthesized from empirical and remote-sensing data, obtaining an estimate of 10.9 +/- 3.2 petagram of carbon per year released from deadwood globally, with 93 per cent originating from tropical forests. Globally, the net effect of insects may account for 29 per cent of the carbon flux from deadwood, which suggests a functional importance of insects in the decomposition of deadwood and the carbon cycle.

  • 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

    10606 - Microbiology

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2021

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Nature

  • ISSN

    0028-0836

  • e-ISSN

    1476-4687

  • Volume of the periodical

    597

  • Issue of the periodical within the volume

    7874

  • Country of publishing house

    GB - UNITED KINGDOM

  • Number of pages

    8

  • Pages from-to

    77-84

  • UT code for WoS article

    000692498300016

  • EID of the result in the Scopus database

    2-s2.0-85114145419