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Disentangling key s...
Disentangling key species interactions in diverse and heterogeneous communities : A Bayesian sparse modelling approach
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- Weiss-Lehman, Christopher P. (författare)
- Univ Wyoming, WY 82071 USA
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- Werner, Chhaya M. (författare)
- Univ Wyoming, WY 82071 USA
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- Bowler, Catherine H. (författare)
- Univ Queensland, Australia
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- Hallett, Lauren M. (författare)
- Univ Oregon, OR 97403 USA; Univ Oregon, OR 97403 USA
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- Mayfield, Margaret M. (författare)
- Univ Queensland, Australia
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- Godoy, Oscar (författare)
- Univ Cadiz, Spain
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- Aoyama, Lina (författare)
- Univ Oregon, OR 97403 USA; Univ Oregon, OR 97403 USA
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- Barabas, György, 1983- (författare)
- Linköpings universitet,Teoretisk Biologi,Tekniska fakulteten
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- Chu, Chengjin (författare)
- Sun Yat Sen Univ, Peoples R China; Sun Yat Sen Univ, Peoples R China
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- Ladouceur, Emma (författare)
- German Ctr Integrat Biodivers Res iDiv Leipzig Ha, Germany; UFZ Helmholtz Ctr Environm Res, Germany
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- Larios, Loralee (författare)
- Univ Calif Riverside, CA 92521 USA
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- Shoemaker, Lauren G. (författare)
- Univ Wyoming, WY 82071 USA
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(creator_code:org_t)
- 2022-02-02
- 2022
- Engelska.
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Ingår i: Ecology Letters. - : Wiley. - 1461-023X .- 1461-0248. ; 25:5, s. 1263-1276
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://onlinelibrar...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Modelling species interactions in diverse communities traditionally requires a prohibitively large number of species-interaction coefficients, especially when considering environmental dependence of parameters. We implemented Bayesian variable selection via sparsity-inducing priors on non-linear species abundance models to determine which species interactions should be retained and which can be represented as an average heterospecific interaction term, reducing the number of model parameters. We evaluated model performance using simulated communities, computing out-of-sample predictive accuracy and parameter recovery across different input sample sizes. We applied our method to a diverse empirical community, allowing us to disentangle the direct role of environmental gradients on species intrinsic growth rates from indirect effects via competitive interactions. We also identified a few neighbouring species from the diverse community that had non-generic interactions with our focal species. This sparse modelling approach facilitates exploration of species interactions in diverse communities while maintaining a manageable number of parameters.
Ämnesord
- NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
Nyckelord
- coexistence; environmental gradients; pairwise interactions; parameter shrinkage; plant fecundity; species diversity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Weiss-Lehman, Ch ...
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Werner, Chhaya M ...
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Bowler, Catherin ...
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Hallett, Lauren ...
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Mayfield, Margar ...
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Godoy, Oscar
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visa fler...
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Aoyama, Lina
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Barabas, György, ...
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Chu, Chengjin
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Ladouceur, Emma
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Larios, Loralee
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Shoemaker, Laure ...
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Biologi
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och Ekologi
- Artiklar i publikationen
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Ecology Letters
- Av lärosätet
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Linköpings universitet