Programs : R and JAGS
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Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100011568
Award Number: ECOFOR
Funding provided by: Minist\u00e8re de la Transition \u00e9cologique et Solidaire
Crossref Funder Registry ID: http://dx.doi.org/10.13039/501100011568
Award Number: Ecosyst\u00e8mes tropicaux programs
Funding provided by: R\u00e9gion Occitanie Pyr\u00e9n\u00e9es-M\u00e9diterran\u00e9e
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Funding provided by: Agence Nationale de la Recherche
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Award Number: AFFAIRS 12SV005
Funding provided by: Agence Nationale de la Recherche
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Award Number: NGB ANR17-CE32-0011-05
Funding provided by: Fondation pour la Recherche sur la Biodiversite
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Metacommunity structure reflects the interplay of various processes, including niche filtering, extinction/colonization, and interspecific interactions. Spatial patterns of species distributions are often analyzed to infer these processes. However, such inferences rely on often unrealistic equilibrium assumptions, and remain ambiguous, as different processes can produce similar patterns. Temporal data may improve these inferences. For example, stochastic species turnover may occur in local communities, while, on the long run, temporal changes are kept within limits set by locally available niches. Our objective is to explore how the joint analysis of spatial and temporal patterns can clarify the contribution of different processes to metacommunity structure. We recorded the occurrences of 21 freshwater mollusc species, and environmental data, in 250 sites over 17 successive years in a network of ponds in Guadeloupe (Lesser Antilles). We analyzed variation in \u03b1 and \u03b2-diversities in space and time, and used a joint-species distribution mode to characterize species-environment and species-species relationships. Local communities showed pronounced temporal variation reflecting both imperfect species detection and true stochastic species turnover. On the long term however, local communities were largely controlled by niche filtering along two main environmental gradients, one driven by site connectivity, the other by hydrological stability and aquatic vegetation. Two gastropod clades, caenogastropods and pulmonates, showed contrasted spatio-temporal distributions resulting from different responses to these gradients, and these distributions seemed little altered by interspecific competition. Our study illustrates the benefit of using spatiotemporal metacommunity data to discern long-term impacts of niche filtering and species interactions behind short-term stochasticity.
", "publication_date": "2022-07-27", "publisher": "Zenodo", "related_identifiers": [ { "identifier": "10.5061/dryad.pk0p2ngr0", "relation_type": { "id": "issourceof", "title": { "de": "Ist Quelle von", "en": "Is source of" } }, "scheme": "doi" } ], "resource_type": { "id": "software", "title": { "de": "Software", "en": "Software" } }, "rights": [ { "description": { "en": "A short and simple permissive license with conditions only requiring preservation of copyright and license notices. Licensed works, modifications, and larger works may be distributed under different terms and without source code." }, "id": "mit", "props": { "scheme": "spdx", "url": "https://opensource.org/licenses/MIT" }, "title": { "en": "MIT License" } } ], "subjects": [ { "subject": "freshwater snails" }, { "subject": "species diversity" }, { "subject": "guadeloupe" }, { "subject": "dispersal" }, { "subject": "extinction-colonization" }, { "subject": "Ecological niche" }, { "subject": "interspecific competition" } ], "title": "Guadeloupe Snails Metacommunity" }, "parent": { "access": { "owned_by": { "user": "90070" } }, "communities": { "default": "734b6452-1f40-4db0-b218-08ab1d568b7f", "entries": [ { "access": { "member_policy": "open", "members_visibility": "public", "record_submission_policy": "open", "review_policy": "open", "visibility": "public" }, "children": { "allow": false }, "created": "2020-02-04T14:03:17.992421+00:00", "custom_fields": {}, "deletion_status": { "is_deleted": false, "status": "P" }, "id": "734b6452-1f40-4db0-b218-08ab1d568b7f", "links": {}, "metadata": { "curation_policy": "The Dryad collection in Zenodo contains datasets mirrored from the Dryad Digital Repository. If you want your dataset to appear here, submit it through https://datadryad.org. No other datasets will be accepted.
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