Raptor distribution in relation to landscape composition in semi‐arid Mediterranean habitats

Raptor distribution in relation to landscape composition in semi‐arid Mediterranean habitats 1. Breeding sites of raptors were studied in relation to land‐use and edge habitat using two different scales in semi‐arid Mediterranean landscapes in south‐eastern Spain. Habitat relationships were analysed using Generalized Linear Models. 2. The proportion of forest cover at a small scale was the best predictor for all species. At a larger scale, the proportion of forest cover was also a good predictor, and the amount of edge habitat between forest and extensive agriculture was a very good predictor of booted and short‐toed eagle densities. 3. Models for sedentary species of raptor were similar using both scales whereas trans‐Saharan migrant raptors seemed to be more sensitive to larger landscape features that included longer edges between forest and extensive agriculture. 4. Habitat mosaics created by forestry and traditional farming were especially important for Mediterranean raptors. Strengthening of the Agri‐environmental Regulation (2078/92) will be necessary to compensate for agricultural intensification proposals promoted under the Common Agricultural Policy (CAP). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Applied Ecology Wiley

Raptor distribution in relation to landscape composition in semi‐arid Mediterranean habitats

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Publisher
Wiley
Copyright
Copyright © 1999 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0021-8901
eISSN
1365-2664
D.O.I.
10.1046/j.1365-2664.1999.00396.x
Publisher site
See Article on Publisher Site

Abstract

1. Breeding sites of raptors were studied in relation to land‐use and edge habitat using two different scales in semi‐arid Mediterranean landscapes in south‐eastern Spain. Habitat relationships were analysed using Generalized Linear Models. 2. The proportion of forest cover at a small scale was the best predictor for all species. At a larger scale, the proportion of forest cover was also a good predictor, and the amount of edge habitat between forest and extensive agriculture was a very good predictor of booted and short‐toed eagle densities. 3. Models for sedentary species of raptor were similar using both scales whereas trans‐Saharan migrant raptors seemed to be more sensitive to larger landscape features that included longer edges between forest and extensive agriculture. 4. Habitat mosaics created by forestry and traditional farming were especially important for Mediterranean raptors. Strengthening of the Agri‐environmental Regulation (2078/92) will be necessary to compensate for agricultural intensification proposals promoted under the Common Agricultural Policy (CAP).

Journal

Journal of Applied EcologyWiley

Published: Apr 1, 1999

References

  • Forest structure and prey abundance in foraging areas of northern goshawks.
    Beier, Beier; Drennan, Drennan
  • Landscape characteristics of fragmented shrubsteppe habitats and breeding passerine birds.
    Knick, Knick; Rotenberry, Rotenberry
  • Biological consequences of ecosystem fragmentation: a review.
    Saunders, Saunders; Hobbs, Hobbs; Margules, Margules

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