Choice of resolution by functional trait or taxonomy affects allometric scaling in soil food webs

V. Sechi, L. Brussaard, R.G.M. de Goede, M. Rutgers, C. Mulder

Research output: Contribution to journalArticleAcademicpeer-review

17 Citations (Scopus)

Abstract

Belowground organisms often display a shift in their mass-abundance scaling relationships due to environmental factors such as soil chemistry and atmospheric deposition. Here we present new empirical data that show strong differences in allometric scaling according to whether the resolution at the local scale is based on a taxonomic or a functional classification, while only slight differences arise according to soil environmental conditions. For the first time, isometry (an inverse 1∶1 proportion) is recognized in mass-abundance relationships, providing a functional signal for constant biomass distribution in soil biota regardless of discrete trophic levels. Our findings are in contrast to those from aquatic ecosystems, in that higher trophic levels in soil biota are not a direct function of increasing body mass.
Original languageEnglish
Pages (from-to)142-149
JournalAmerican Naturalist
Volume185
Issue number1
DOIs
Publication statusPublished - 2015

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soil food webs
soil biota
trophic level
food web
taxonomy
soil chemistry
atmospheric deposition
aquatic ecosystem
body mass
environmental factors
environmental factor
soil
environmental conditions
biomass
organisms
trophic levels
organism
distribution

Cite this

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abstract = "Belowground organisms often display a shift in their mass-abundance scaling relationships due to environmental factors such as soil chemistry and atmospheric deposition. Here we present new empirical data that show strong differences in allometric scaling according to whether the resolution at the local scale is based on a taxonomic or a functional classification, while only slight differences arise according to soil environmental conditions. For the first time, isometry (an inverse 1∶1 proportion) is recognized in mass-abundance relationships, providing a functional signal for constant biomass distribution in soil biota regardless of discrete trophic levels. Our findings are in contrast to those from aquatic ecosystems, in that higher trophic levels in soil biota are not a direct function of increasing body mass.",
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Choice of resolution by functional trait or taxonomy affects allometric scaling in soil food webs. / Sechi, V.; Brussaard, L.; de Goede, R.G.M.; Rutgers, M.; Mulder, C.

In: American Naturalist, Vol. 185, No. 1, 2015, p. 142-149.

Research output: Contribution to journalArticleAcademicpeer-review

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T1 - Choice of resolution by functional trait or taxonomy affects allometric scaling in soil food webs

AU - Sechi, V.

AU - Brussaard, L.

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AU - Rutgers, M.

AU - Mulder, C.

PY - 2015

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