Metapopulations in multifractal landscapes: on the role of spatial aggregation

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dc.contributor.author Garcia-Perez Gamarra, Javier
dc.date.accessioned 2008-12-09T10:25:01Z
dc.date.available 2008-12-09T10:25:01Z
dc.date.issued 2005-09-07
dc.identifier.citation Garcia-Perez Gamarra , J 2005 , ' Metapopulations in multifractal landscapes: on the role of spatial aggregation ' Proceedings of the Royal Society B: Biological Sciences , vol 272 , no. 1572 , pp. 1815-1822 . en
dc.identifier.issn 0962-8452
dc.identifier.other PURE: 90930
dc.identifier.other dspace: 2160/1471
dc.identifier.uri http://hdl.handle.net/2160/1471
dc.identifier.uri http://www.journals.royalsoc.ac.uk/content/d72u9nqk7kjxfvqw/fulltext.pdf en
dc.description Javier G.P. Gamarra (2005). Metapopulations in multifractal landscapes: on the role of spatial aggregation. Proceeding of Royal Society B, 272(1574), 1815-1822. RAE2008 en
dc.description.abstract The use of fractals in ecology is currently pervasive over many areas. However, very few studies have linked fractal properties of landscapes to generating ecological mechanisms and dynamics. In this study I show that lacunarity (a measure of the landscape texture) is a well suited ecologically scaled landscape index that can be explicitly incorporated in metapopulation models such as the classical Levins equation. I show that the average lacunarity of an aggregated landscape is linearly correlated to the habitat that a species with local spatial processed information may perceive. Lacunarity is a computationally feasible index to measure, and is related to the metapopulation capacity of landscapes. A general approach to multifractal landscapes has been conceived, and some analytical results for self-similar landscapes are outlined, including the specific effect of landscape heterogeneity, decoupled from that of contagion by dispersal. Spatially explicit simulations show agreement with the semi-implicit method presented. en
dc.format.extent 8 en
dc.language.iso eng
dc.relation.ispartof Proceedings of the Royal Society B: Biological Sciences en
dc.subject equilibrium population en
dc.subject extinction threshold en
dc.subject lacunarity en
dc.subject landscape connectivity en
dc.subject Levins model en
dc.subject neutral landscapes en
dc.title Metapopulations in multifractal landscapes: on the role of spatial aggregation en
dc.type Text en
dc.type.publicationtype Article (Journal) en
dc.identifier.doi http://dx.doi.org/10.1098/rspb.2005.3135
dc.contributor.institution Aberystwyth University en
dc.contributor.institution Institute of Biological, Environmental and Rural Sciences en
dc.description.status Peer reviewed en


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