Emergent dispersal networks in dynamic wetlandscapes

Abstract The connectivity among distributed wetlands is critical for aquatic habitat integrity and to maintain metapopulation biodiversity. Here, we investigated the spatiotemporal fluctuations of wetlandscape connectivity driven by stochastic hydroclimatic forcing, conceptualizing wetlands as dynam...

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Autores principales:	Leonardo E. Bertassello, Antoine F. Aubeneau, Gianluca Botter, James W. Jawitz, P. S. C. Rao
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/fb26537a176e4df3b61134108b8d412d
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spelling	oai:doaj.org-article:fb26537a176e4df3b61134108b8d412d2021-12-02T19:12:28ZEmergent dispersal networks in dynamic wetlandscapes10.1038/s41598-020-71739-82045-2322https://doaj.org/article/fb26537a176e4df3b61134108b8d412d2020-09-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-71739-8https://doaj.org/toc/2045-2322Abstract The connectivity among distributed wetlands is critical for aquatic habitat integrity and to maintain metapopulation biodiversity. Here, we investigated the spatiotemporal fluctuations of wetlandscape connectivity driven by stochastic hydroclimatic forcing, conceptualizing wetlands as dynamic habitat nodes in dispersal networks. We hypothesized that spatiotemporal hydrologic variability influences the heterogeneity in wetland attributes (e.g., size and shape distributions) and wetland spatial organization (e.g., gap distances), in turn altering the variance of the dispersal network topology and the patterns of ecological connectivity. We tested our hypotheses by employing a DEM-based, depth-censoring approach to assess the eco-hydrological dynamics in a synthetically generated landscape and three representative wetlandscapes in the United States. Network topology was examined for two end-member connectivity measures: centroid-to-centroid (C2C), and perimeter-to-perimeter (P2P), representing the full range of within-patch habitat preferences. Exponentially tempered Pareto node-degree distributions well described the observed structural connectivity of both types of networks. High wetland clustering and attribute heterogeneity exacerbated the differences between C2C and P2P networks, with Pareto node-degree distributions emerging only for a limited range of P2P configuration. Wetlandscape network topology and dispersal strategies condition species survival and biodiversity.Leonardo E. BertasselloAntoine F. AubeneauGianluca BotterJames W. JawitzP. S. C. RaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-10 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Leonardo E. Bertassello Antoine F. Aubeneau Gianluca Botter James W. Jawitz P. S. C. Rao Emergent dispersal networks in dynamic wetlandscapes
description	Abstract The connectivity among distributed wetlands is critical for aquatic habitat integrity and to maintain metapopulation biodiversity. Here, we investigated the spatiotemporal fluctuations of wetlandscape connectivity driven by stochastic hydroclimatic forcing, conceptualizing wetlands as dynamic habitat nodes in dispersal networks. We hypothesized that spatiotemporal hydrologic variability influences the heterogeneity in wetland attributes (e.g., size and shape distributions) and wetland spatial organization (e.g., gap distances), in turn altering the variance of the dispersal network topology and the patterns of ecological connectivity. We tested our hypotheses by employing a DEM-based, depth-censoring approach to assess the eco-hydrological dynamics in a synthetically generated landscape and three representative wetlandscapes in the United States. Network topology was examined for two end-member connectivity measures: centroid-to-centroid (C2C), and perimeter-to-perimeter (P2P), representing the full range of within-patch habitat preferences. Exponentially tempered Pareto node-degree distributions well described the observed structural connectivity of both types of networks. High wetland clustering and attribute heterogeneity exacerbated the differences between C2C and P2P networks, with Pareto node-degree distributions emerging only for a limited range of P2P configuration. Wetlandscape network topology and dispersal strategies condition species survival and biodiversity.
format	article
author	Leonardo E. Bertassello Antoine F. Aubeneau Gianluca Botter James W. Jawitz P. S. C. Rao
author_facet	Leonardo E. Bertassello Antoine F. Aubeneau Gianluca Botter James W. Jawitz P. S. C. Rao
author_sort	Leonardo E. Bertassello
title	Emergent dispersal networks in dynamic wetlandscapes
title_short	Emergent dispersal networks in dynamic wetlandscapes
title_full	Emergent dispersal networks in dynamic wetlandscapes
title_fullStr	Emergent dispersal networks in dynamic wetlandscapes
title_full_unstemmed	Emergent dispersal networks in dynamic wetlandscapes
title_sort	emergent dispersal networks in dynamic wetlandscapes
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/fb26537a176e4df3b61134108b8d412d
work_keys_str_mv	AT leonardoebertassello emergentdispersalnetworksindynamicwetlandscapes AT antoinefaubeneau emergentdispersalnetworksindynamicwetlandscapes AT gianlucabotter emergentdispersalnetworksindynamicwetlandscapes AT jameswjawitz emergentdispersalnetworksindynamicwetlandscapes AT pscrao emergentdispersalnetworksindynamicwetlandscapes
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Emergent dispersal networks in dynamic wetlandscapes

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