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    Rights statement: This is the peer reviewed version of the following article: Perkins, D. M., Durance, I. , Edwards, F. K., Grey, J. , Hildrew, A. G., Jackson, M. , Jones, J. I., Lauridsen, R. B., Layer‐Dobra, K. , Thompson, M. S. and Woodward, G. (2018), Bending the rules: exploitation of allochthonous resources by a top‐predator modifies size‐abundance scaling in stream food webs. Ecol Lett, 21: 1771-1780. doi:10.1111/ele.13147 which has been published in final form at https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13147 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

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Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs

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Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs. / Perkins, Daniel M.; Durance, Isabelle; Edwards, Francois K. et al.
In: Ecology Letters, Vol. 21, No. 12, 01.12.2018, p. 1771-1780.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Perkins, DM, Durance, I, Edwards, FK, Grey, J, Hildrew, AG, Jackson, M, Jones, JI, Lauridsen, RB, Layer-Dobra, K, Thompson, MSA & Woodward, G 2018, 'Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs', Ecology Letters, vol. 21, no. 12, pp. 1771-1780. https://doi.org/10.1111/ele.13147

APA

Perkins, D. M., Durance, I., Edwards, F. K., Grey, J., Hildrew, A. G., Jackson, M., Jones, J. I., Lauridsen, R. B., Layer-Dobra, K., Thompson, M. S. A., & Woodward, G. (2018). Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs. Ecology Letters, 21(12), 1771-1780. https://doi.org/10.1111/ele.13147

Vancouver

Perkins DM, Durance I, Edwards FK, Grey J, Hildrew AG, Jackson M et al. Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs. Ecology Letters. 2018 Dec 1;21(12):1771-1780. Epub 2018 Sept 26. doi: 10.1111/ele.13147

Author

Perkins, Daniel M. ; Durance, Isabelle ; Edwards, Francois K. et al. / Bending the rules : exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs. In: Ecology Letters. 2018 ; Vol. 21, No. 12. pp. 1771-1780.

Bibtex

@article{352b289e32ad4805a7e9b032b286df17,
title = "Bending the rules: exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs",
abstract = "Body mass–abundance (M‐N) allometries provide a key measure of community structure, and deviations from scaling predictions could reveal how cross‐ecosystem subsidies alter food webs. For 31 streams across the UK, we tested the hypothesis that linear log‐log M‐N scaling is shallower than that predicted by allometric scaling theory when top predators have access to allochthonous prey. These streams all contained a common and widespread top predator (brown trout) that regularly feeds on terrestrial prey and, as hypothesised, deviations from predicted scaling increased with its dominance of the fish assemblage. Our study identifies a key beneficiary of cross‐ecosystem subsidies at the top of stream food webs and elucidates how these inputs can reshape the size‐structure of these {\textquoteleft}open{\textquoteright} systems.",
keywords = "Allometric scaling, body size, brown trout, energetic subsidies, food webs, metabolic theory, stable isotopes, streams",
author = "Perkins, {Daniel M.} and Isabelle Durance and Edwards, {Francois K.} and Jonathan Grey and Hildrew, {Alan G.} and Michelle Jackson and Jones, {J. Iwan} and Lauridsen, {Rasmus B.} and Katrin Layer-Dobra and Thompson, {Murray S. A.} and Guy Woodward",
note = "This is the peer reviewed version of the following article: Perkins, D. M., Durance, I. , Edwards, F. K., Grey, J. , Hildrew, A. G., Jackson, M. , Jones, J. I., Lauridsen, R. B., Layer‐Dobra, K. , Thompson, M. S. and Woodward, G. (2018), Bending the rules: exploitation of allochthonous resources by a top‐predator modifies size‐abundance scaling in stream food webs. Ecol Lett, 21: 1771-1780. doi:10.1111/ele.13147 which has been published in final form at https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13147 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving. ",
year = "2018",
month = dec,
day = "1",
doi = "10.1111/ele.13147",
language = "English",
volume = "21",
pages = "1771--1780",
journal = "Ecology Letters",
issn = "1461-023X",
publisher = "Wiley",
number = "12",

}

RIS

TY - JOUR

T1 - Bending the rules

T2 - exploitation of allochthonous resources by a top-predator modifies size-abundance scaling in stream food webs

AU - Perkins, Daniel M.

AU - Durance, Isabelle

AU - Edwards, Francois K.

AU - Grey, Jonathan

AU - Hildrew, Alan G.

AU - Jackson, Michelle

AU - Jones, J. Iwan

AU - Lauridsen, Rasmus B.

AU - Layer-Dobra, Katrin

AU - Thompson, Murray S. A.

AU - Woodward, Guy

N1 - This is the peer reviewed version of the following article: Perkins, D. M., Durance, I. , Edwards, F. K., Grey, J. , Hildrew, A. G., Jackson, M. , Jones, J. I., Lauridsen, R. B., Layer‐Dobra, K. , Thompson, M. S. and Woodward, G. (2018), Bending the rules: exploitation of allochthonous resources by a top‐predator modifies size‐abundance scaling in stream food webs. Ecol Lett, 21: 1771-1780. doi:10.1111/ele.13147 which has been published in final form at https://onlinelibrary.wiley.com/doi/full/10.1111/ele.13147 This article may be used for non-commercial purposes in accordance With Wiley Terms and Conditions for self-archiving.

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Body mass–abundance (M‐N) allometries provide a key measure of community structure, and deviations from scaling predictions could reveal how cross‐ecosystem subsidies alter food webs. For 31 streams across the UK, we tested the hypothesis that linear log‐log M‐N scaling is shallower than that predicted by allometric scaling theory when top predators have access to allochthonous prey. These streams all contained a common and widespread top predator (brown trout) that regularly feeds on terrestrial prey and, as hypothesised, deviations from predicted scaling increased with its dominance of the fish assemblage. Our study identifies a key beneficiary of cross‐ecosystem subsidies at the top of stream food webs and elucidates how these inputs can reshape the size‐structure of these ‘open’ systems.

AB - Body mass–abundance (M‐N) allometries provide a key measure of community structure, and deviations from scaling predictions could reveal how cross‐ecosystem subsidies alter food webs. For 31 streams across the UK, we tested the hypothesis that linear log‐log M‐N scaling is shallower than that predicted by allometric scaling theory when top predators have access to allochthonous prey. These streams all contained a common and widespread top predator (brown trout) that regularly feeds on terrestrial prey and, as hypothesised, deviations from predicted scaling increased with its dominance of the fish assemblage. Our study identifies a key beneficiary of cross‐ecosystem subsidies at the top of stream food webs and elucidates how these inputs can reshape the size‐structure of these ‘open’ systems.

KW - Allometric scaling

KW - body size

KW - brown trout

KW - energetic subsidies

KW - food webs

KW - metabolic theory

KW - stable isotopes

KW - streams

U2 - 10.1111/ele.13147

DO - 10.1111/ele.13147

M3 - Journal article

VL - 21

SP - 1771

EP - 1780

JO - Ecology Letters

JF - Ecology Letters

SN - 1461-023X

IS - 12

ER -