Data from: Effects of spatial scale of sampling on food web structure
This study asks whether the spatial scale of sampling alters structural properties of food webs and whether any differences are attributable to changes in species richness and connectance with scale. Understanding how different aspects of sampling effort affect ecological network structure is import...
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ftzenodo:oai:zenodo.org:4979390 2023-05-15T14:18:02+02:00 Data from: Effects of spatial scale of sampling on food web structure Wood, Spencer A. Russell, Roly Hanson, Dieta Williams, Richard J. Dunne, Jennifer A. 2016-07-22 https://zenodo.org/record/4979390 https://doi.org/10.5061/dryad.g1qr6 unknown doi:10.1002/ece3.1640 https://zenodo.org/communities/dryad https://zenodo.org/record/4979390 https://doi.org/10.5061/dryad.g1qr6 oai:zenodo.org:4979390 info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode complexity trophic interactions Scale-dependence sampling area info:eu-repo/semantics/other dataset 2016 ftzenodo https://doi.org/10.5061/dryad.g1qr610.1002/ece3.1640 2023-03-10T22:31:58Z This study asks whether the spatial scale of sampling alters structural properties of food webs and whether any differences are attributable to changes in species richness and connectance with scale. Understanding how different aspects of sampling effort affect ecological network structure is important for both fundamental ecological knowledge and the application of network analysis in conservation and management. Using a highly resolved food web for the marine intertidal ecosystem of the Sanak Archipelago in the Eastern Aleutian Islands, Alaska, we assess how commonly studied properties of network structure differ for 281 versions of the food web sampled at five levels of spatial scale representing six orders of magnitude in area spread across the archipelago. Species (S) and link (L) richness both increased by approximately one order of magnitude across the five spatial scales. Links per species (L/S) more than doubled, while connectance (C) decreased by approximately two-thirds. Fourteen commonly studied properties of network structure varied systematically with spatial scale of sampling, some increasing and others decreasing. While ecological network properties varied systematically with sampling extent, analyses using the niche model and a power-law scaling relationship indicate that for many properties, this apparent sensitivity is attributable to the increasing S and decreasing C of webs with increasing spatial scale. As long as effects of S and C are accounted for, areal sampling bias does not have a special impact on our understanding of many aspects of network structure. However, attention does need be paid to some properties such as the fraction of species in loops, which increases more than expected with greater spatial scales of sampling. Food web data for the Sanak Islands, AlaskaThe food web data compiled for this study, consisting of 339 quadrats, 39 transects, five sites, four locales, and one archipelago-wide network. The table provides a unique numeric identifier per food web (WebID), the ... Dataset Archipelago Alaska Aleutian Islands Zenodo |
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complexity trophic interactions Scale-dependence sampling area |
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complexity trophic interactions Scale-dependence sampling area Wood, Spencer A. Russell, Roly Hanson, Dieta Williams, Richard J. Dunne, Jennifer A. Data from: Effects of spatial scale of sampling on food web structure |
topic_facet |
complexity trophic interactions Scale-dependence sampling area |
description |
This study asks whether the spatial scale of sampling alters structural properties of food webs and whether any differences are attributable to changes in species richness and connectance with scale. Understanding how different aspects of sampling effort affect ecological network structure is important for both fundamental ecological knowledge and the application of network analysis in conservation and management. Using a highly resolved food web for the marine intertidal ecosystem of the Sanak Archipelago in the Eastern Aleutian Islands, Alaska, we assess how commonly studied properties of network structure differ for 281 versions of the food web sampled at five levels of spatial scale representing six orders of magnitude in area spread across the archipelago. Species (S) and link (L) richness both increased by approximately one order of magnitude across the five spatial scales. Links per species (L/S) more than doubled, while connectance (C) decreased by approximately two-thirds. Fourteen commonly studied properties of network structure varied systematically with spatial scale of sampling, some increasing and others decreasing. While ecological network properties varied systematically with sampling extent, analyses using the niche model and a power-law scaling relationship indicate that for many properties, this apparent sensitivity is attributable to the increasing S and decreasing C of webs with increasing spatial scale. As long as effects of S and C are accounted for, areal sampling bias does not have a special impact on our understanding of many aspects of network structure. However, attention does need be paid to some properties such as the fraction of species in loops, which increases more than expected with greater spatial scales of sampling. Food web data for the Sanak Islands, AlaskaThe food web data compiled for this study, consisting of 339 quadrats, 39 transects, five sites, four locales, and one archipelago-wide network. The table provides a unique numeric identifier per food web (WebID), the ... |
format |
Dataset |
author |
Wood, Spencer A. Russell, Roly Hanson, Dieta Williams, Richard J. Dunne, Jennifer A. |
author_facet |
Wood, Spencer A. Russell, Roly Hanson, Dieta Williams, Richard J. Dunne, Jennifer A. |
author_sort |
Wood, Spencer A. |
title |
Data from: Effects of spatial scale of sampling on food web structure |
title_short |
Data from: Effects of spatial scale of sampling on food web structure |
title_full |
Data from: Effects of spatial scale of sampling on food web structure |
title_fullStr |
Data from: Effects of spatial scale of sampling on food web structure |
title_full_unstemmed |
Data from: Effects of spatial scale of sampling on food web structure |
title_sort |
data from: effects of spatial scale of sampling on food web structure |
publishDate |
2016 |
url |
https://zenodo.org/record/4979390 https://doi.org/10.5061/dryad.g1qr6 |
genre |
Archipelago Alaska Aleutian Islands |
genre_facet |
Archipelago Alaska Aleutian Islands |
op_relation |
doi:10.1002/ece3.1640 https://zenodo.org/communities/dryad https://zenodo.org/record/4979390 https://doi.org/10.5061/dryad.g1qr6 oai:zenodo.org:4979390 |
op_rights |
info:eu-repo/semantics/openAccess https://creativecommons.org/publicdomain/zero/1.0/legalcode |
op_doi |
https://doi.org/10.5061/dryad.g1qr610.1002/ece3.1640 |
_version_ |
1766289793687224320 |