Landscape heterogeneity and population stability- implications for conservation

Oliver, T.H.; Roy, D.B.; Hill, J.K; Brereton, T.; Thomas, C.D.. 2010 Landscape heterogeneity and population stability- implications for conservation. In: Eycott, Amy; Scott, Dawn; Smithers, Richard, (eds.) Future Landscape Ecology. IALE (UK) (International Association for Landscape Ecology).

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Habitat heterogeneity is often suggested as being important for the stability of populations, and promoted as a means to aid the conservation of species, but the evidence for such an assumption is poor. We summarise a study which shows that heterogeneous landscapes that contain a variety of suitable habitat types are associated with more stable population dynamics for 35 British butterfly species from 166 sites. In addition, topographic heterogeneity may also promote stability. Responses to landscape heterogeneity differed among species; for more mobile ‘wider-countryside’ species, habitat heterogeneity at larger landscape scales had the strongest effect on population dynamics. We discuss the implications of these results for landscape-scale conservation policy and identify knowledge gaps for future research in this area.

Item Type: Publication - Book Section
Programmes: CEH Topics & Objectives 2009 - 2012 > Biodiversity > BD Topic 2 - Ecological Processes in the Environment > BD - 2.4 - Estimate the impact of the main drivers and pressures on biodiversity ...
UKCEH and CEH Sections/Science Areas: Pywell
ISBN: 0-9547130-5-2
Additional Keywords: climatic extremes, environmental diversity, habitat management, microclimatic variability, resilience, specialist species, population robustness
NORA Subject Terms: Ecology and Environment
Date made live: 09 Nov 2010 11:36 +0 (UTC)

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