PMID: 18213959Jan 25, 2008Paper

Patch network criteria for dispersal-limited endemic birds of South American temperate rain forest

Ecological Applications : a Publication of the Ecological Society of America
Traci D Castellón, Kathryn E Sieving

Abstract

We developed a set of simple empirically based criteria for distinguishing forest patch configurations that we expected to support persistent populations of two endemic Tapaculo species with limited dispersal ability (Chucao Tapaculos [Scelorchilus rubecula] and Black-throated Huet-huets [Pteroptochos tarnii]) in South American temperate rain forest. The criteria address sustainable population sizes (tested using population viability analysis), habitat area needed to support sustainable populations, and measures of functional connectivity derived from radiotelemetry data and patch occupancy models. We then applied the criteria in three real-world demonstration landscapes, first, to predict numbers of breeding territories potentially accommodated within patch configurations and, second, to evaluate increases that might be achieved if landscape connections among isolated patches were restored (e.g., using corridors). The best connected of the three demonstration landscapes was predicted to support large sustainable populations without intervention to restore connectivity, whereas none of the patch configurations was sustainable in the most fragmented landscape, with or without corridor restoration. Notably, however, corridor rest...Continue Reading

References

Mar 8, 2000·Nature·N MyersJ Kent
May 23, 2000·Nature·C R Margules, R L Pressey
Sep 20, 2002·Proceedings of the National Academy of Sciences of the United States of America·Joshua J TewksburyPatricia Townsend
Nov 8, 2005·Science·Serban ProcheşSteven L Chown
Aug 15, 2006·Conservation Biology : the Journal of the Society for Conservation Biology·Mathieu RougetGraham I H Kerley
Aug 17, 2006·Conservation Biology : the Journal of the Society for Conservation Biology·Traci D Castellón, Kathryn E Sieving
Aug 24, 2006·Ecology Letters·Emily NicholsonHugh P Possingham
Jan 9, 2007·Ecological Applications : a Publication of the Ecological Society of America·Traci D Castellón, Kathryn E Sieving
Aug 1, 1993·Ecological Applications : a Publication of the Ecological Society of America·Andrew J HansenDean L Urban

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