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Dispersal connectivity and reserve selection for marine conservation


Kininmonth, S and Beger, M and Bode, M and Peterson, E and Adams, VM and Dorfman, D and Brumbaugh, DR and Possingham, HP, Dispersal connectivity and reserve selection for marine conservation, Ecological Modelling, 222, (7) pp. 1272-1282. ISSN 0304-3800 (2011) [Refereed Article]

Copyright Statement

Copyright 2011 Elsevier B.V.

DOI: doi:10.1016/j.ecolmodel.2011.01.012


Although larval dispersal is crucial for the persistence of most marine populations, dispersal connectivity between sites is rarely considered in designing marine protected area networks. In particular the role of structural characteristics (known as topology) for the network of larval dispersal routes in the conservation of metapopulations has not been addressed. To determine reserve site configurations that provide highest persistence values with respect to their connectivity characteristics, we model nine connectivity topological models derived from graph theory in a demographic metapopulation model. We identify reserve site configurations that provide the highest persistence values for each of the metapopulation connectivity models. Except for the minimally connected and fully connected populations, we observed two general ‘rules of thumb’ for optimising the mean life time for all topological models: firstly place the majority of reserves, so that they are neighbours of each other, on the sites where the number of connections between the populations is highest (hub), secondly when the reserves have occupied the majority of the vertices in the hub, then select another area of high connectivity and repeat. If there are no suitable hubs remaining then distribute the remaining reserves to isolated locations optimising contact with non-reserved sites.

Item Details

Item Type:Refereed Article
Keywords:marine larvae dispersal, marine conservation planning, marine reserves, connectivity, marine metapopulation model
Research Division:Biological Sciences
Research Group:Ecology
Research Field:Marine and estuarine ecology (incl. marine ichthyology)
Objective Division:Environmental Management
Objective Group:Terrestrial systems and management
Objective Field:Assessment and management of terrestrial ecosystems
UTAS Author:Adams, VM (Associate Professor Vanessa Adams)
ID Code:127219
Year Published:2011
Web of Science® Times Cited:66
Deposited By:Geography and Spatial Science
Deposited On:2018-07-18
Last Modified:2018-08-06

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