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journal article Apr 08, 2022

Metapopulation dynamics of multiple species in a heterogeneous landscape

Jelena H. Pantel ORCID Thomas Lamy ORCID Maxime Dubart ORCID Jean‐Pierre Pointier Philippe Jarne ORCID Patrice David ORCID
Ecological Monographs Vol. 92 No. 3 · Wiley
View at Publisher Save 10.1002/ecm.1515
Abstract
AbstractCharacterizing the diversity of demographic strategies among species can inform research in topics such as trait syndromes, community stability, coexistence, and ecological succession. However, this diversity can depend on the spatial scale considered: at the landscape scale, species often form metapopulations, that is sets of local, sometimes short‐lived, populations, inhabiting discrete habitat patches. Metapopulation dynamics are most frequently analyzed in individual species or pairs of interacting species because of the large amount of data required for multiple species, and because species vary in their perceptions of what constitutes a favorable or unfavorable habitat. Here we evaluate, using a case study, whether a metapopulation model can be used to generate accurate estimates of demographic parameters and to describe the diversity of dynamics, responses to environment, and prospects of long‐term persistence in a guild of species inhabiting a common fragmented landscape. We applied this approach to a guild of 22 mollusk species that inhabit freshwater habitats on two islands of Guadeloupe, to compare metapopulation dynamics among species. We analyzed a 15‐year time series of occupancy records for 278 sites using a multistate occupancy model that estimated colonization and extinction rates as a function of site‐specific and year‐specific environmental covariates, then used model results to simulate future island metapopulation dynamics. Despite the diverse array of metapopulation trajectories—a mix of species with either stable, increasing, declining, or fluctuating metapopulations—and the inherent challenges associated with such data (e.g., imperfect detection, spatial and temporal heterogeneity), our model accurately captured among‐patch variation in suitability for many mollusk taxa. The dynamics of rare species or species with habitat preferences not fully captured by the retained set of covariates were less well described. For several species, we detected a negative correlation between extinction and colonization. This variation in habitat suitability created species‐specific extinction‐resistant pockets in the landscape. Our comparative analysis also revealed that species had distinct strategies for metapopulation dynamics, such as “fast‐turnover” species with both a high proportion of occupied sites and a high rate of site extinction in the landscape.
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References
Details
Published
Apr 08, 2022
Vol/Issue
92(3)
License
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Authors
J
Jelena H. Pantel

Ecological Modelling, Faculty of Biology University of Duisburg‐Essen Essen Germany; CEFE, CNRS, EPHE, Univ Montpellier, IRD Montpellier France

T
Thomas Lamy

CEFE, CNRS, EPHE, Univ Montpellier, IRD Montpellier France; MARBEC, University of Montpellier, CNRS, Ifremer, IRD Montpellier France

M
Maxime Dubart

CEFE, CNRS, EPHE, Univ Montpellier, IRD Montpellier France

J
Jean‐Pierre Pointier

CRIOBE, USR 3278 CNRS–EPHE, PSL Research University, Université de Perpignan Perpignan cedex France

P
Philippe Jarne

CEFE, CNRS, EPHE, Univ Montpellier, IRD Montpellier France

P
Patrice David

CEFE, CNRS, EPHE, Univ Montpellier, IRD Montpellier France

Cite This Article
Jelena H. Pantel, Thomas Lamy, Maxime Dubart, et al. (2022). Metapopulation dynamics of multiple species in a heterogeneous landscape. Ecological Monographs, 92(3). https://doi.org/10.1002/ecm.1515
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