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Empirical food webs of 12 tropical reservoirs in Singapore

BACKGROUND: Food webs summarise trophic interactions of the biotic components within an ecosystem, which can influence nutrient dynamics and energy flows, ultimately affecting ecosystem functions and services. Food webs represent the hypothesised trophic links between predators and prey and can be p...

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Autores principales: Wilkinson, Clare, Lim, Rayson B H, Liew, Jia Huan, Kwik, Jeffrey T B, Tan, Claudia L Y, Heok Hui, Tan, Yeo, Darren C J
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Pensoft Publishers 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9848559/
https://www.ncbi.nlm.nih.gov/pubmed/36761616
http://dx.doi.org/10.3897/BDJ.10.e86192
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author Wilkinson, Clare
Lim, Rayson B H
Liew, Jia Huan
Kwik, Jeffrey T B
Tan, Claudia L Y
Heok Hui, Tan
Yeo, Darren C J
author_facet Wilkinson, Clare
Lim, Rayson B H
Liew, Jia Huan
Kwik, Jeffrey T B
Tan, Claudia L Y
Heok Hui, Tan
Yeo, Darren C J
author_sort Wilkinson, Clare
collection PubMed
description BACKGROUND: Food webs summarise trophic interactions of the biotic components within an ecosystem, which can influence nutrient dynamics and energy flows, ultimately affecting ecosystem functions and services. Food webs represent the hypothesised trophic links between predators and prey and can be presented as empirical food webs, in which the relative strength/importance of the respective links are quantified. Some common methods used in food web research include gut content analysis (GCA) and stable isotope analysis (SIA). We combine both methods to construct empirical food web models as a basis for monitoring and studying ecosystem-level outcomes of natural (e.g. species turnover in fish assemblage) and intentional environmental change (e.g. biomanipulation). NEW INFORMATION: We present 12 food webs from tropical reservoir communities in Singapore and summarise the topology of each with widely-used network indices (e.g. connectance, link density). Each reservoir was surveyed over 4–6 sampling occasions, during which, representative animal groups (i.e. fish species and taxonomic/functional groups of zooplankton and benthic macroinvertebrates) and all likely sources of primary production (i.e. macrophytes, periphyton, phytoplankton and riparian terrestrial plants) were collected. We analysed gut content in fishes and bulk isotope (d(13)C and d(15)N) profiles of all animals (i.e. fishes and invertebrates) and plants collected. Both sets of information were used to estimate the relative strength of trophic relationships using Bayesian mixing models. We document our protocol here, alongside a script in the R programming language for executing data management/analyses/visualisation procedures used in our study. These data can be used to glean insights into trends in inter- and intra-specific or guild interactions in analogous freshwater lake habitats.
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spelling pubmed-98485592023-02-08 Empirical food webs of 12 tropical reservoirs in Singapore Wilkinson, Clare Lim, Rayson B H Liew, Jia Huan Kwik, Jeffrey T B Tan, Claudia L Y Heok Hui, Tan Yeo, Darren C J Biodivers Data J Data Paper (Biosciences) BACKGROUND: Food webs summarise trophic interactions of the biotic components within an ecosystem, which can influence nutrient dynamics and energy flows, ultimately affecting ecosystem functions and services. Food webs represent the hypothesised trophic links between predators and prey and can be presented as empirical food webs, in which the relative strength/importance of the respective links are quantified. Some common methods used in food web research include gut content analysis (GCA) and stable isotope analysis (SIA). We combine both methods to construct empirical food web models as a basis for monitoring and studying ecosystem-level outcomes of natural (e.g. species turnover in fish assemblage) and intentional environmental change (e.g. biomanipulation). NEW INFORMATION: We present 12 food webs from tropical reservoir communities in Singapore and summarise the topology of each with widely-used network indices (e.g. connectance, link density). Each reservoir was surveyed over 4–6 sampling occasions, during which, representative animal groups (i.e. fish species and taxonomic/functional groups of zooplankton and benthic macroinvertebrates) and all likely sources of primary production (i.e. macrophytes, periphyton, phytoplankton and riparian terrestrial plants) were collected. We analysed gut content in fishes and bulk isotope (d(13)C and d(15)N) profiles of all animals (i.e. fishes and invertebrates) and plants collected. Both sets of information were used to estimate the relative strength of trophic relationships using Bayesian mixing models. We document our protocol here, alongside a script in the R programming language for executing data management/analyses/visualisation procedures used in our study. These data can be used to glean insights into trends in inter- and intra-specific or guild interactions in analogous freshwater lake habitats. Pensoft Publishers 2022-09-14 /pmc/articles/PMC9848559/ /pubmed/36761616 http://dx.doi.org/10.3897/BDJ.10.e86192 Text en Clare Wilkinson, Rayson B H Lim, Jia Huan Liew, Jeffrey T B Kwik, Claudia L Y Tan, Tan Heok Hui, Darren C J Yeo https://creativecommons.org/licenses/by/4.0/This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
spellingShingle Data Paper (Biosciences)
Wilkinson, Clare
Lim, Rayson B H
Liew, Jia Huan
Kwik, Jeffrey T B
Tan, Claudia L Y
Heok Hui, Tan
Yeo, Darren C J
Empirical food webs of 12 tropical reservoirs in Singapore
title Empirical food webs of 12 tropical reservoirs in Singapore
title_full Empirical food webs of 12 tropical reservoirs in Singapore
title_fullStr Empirical food webs of 12 tropical reservoirs in Singapore
title_full_unstemmed Empirical food webs of 12 tropical reservoirs in Singapore
title_short Empirical food webs of 12 tropical reservoirs in Singapore
title_sort empirical food webs of 12 tropical reservoirs in singapore
topic Data Paper (Biosciences)
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9848559/
https://www.ncbi.nlm.nih.gov/pubmed/36761616
http://dx.doi.org/10.3897/BDJ.10.e86192
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