The proportion of immature breeders as a reliable early warning signal of population decline: evidence from the Spanish Imperial eagle in Doñana

By M. Ferrer, Vincenzo Penteriani, J. Balbontín, M. Pandolfi. 2003

98 citations recorded by the source corpus.

Subfields: Ecology, Nature and Landscape Conservation

View Paper: https://www.semanticscholar.org/paper/045e7a0d947293ee9cdac8c858187e6cffb2c52c

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In Ecology

In Nature and Landscape Conservation

Citations in the corpus

A conservation paradox for the 21st century: The European wild rabbit Oryctolagus cuniculus, an invasive alien and an endangered native species (2008, background): “Over 40 different vertebrate predators include European wild rabbits in their diet (Delibes & Hiraldo, 1981) including two globally endangered species, the Iberian lynx and Spanish imperial eagle which prey almost exclusively on them (Palomares et al., 2001; Ferrer et al., 2003).”
Supplementary feeding as an effective tool for improving breeding success in the Spanish imperial eagle (Aquila adalberti) (2006, background): “…factors are thought to limit the species’ breeding success: (1) an increase in the number of inexperienced pairs as a result of high adult mortality (Ferrer et al., 2003); (2) a lack of wild rabbits (especially after 1989), as a result of a decrease in their population because of RHD and (3) the…”
Lead concentrations in bones and feathers of the globally threatened Spanish imperial eagle (2005, background): “In Doñ ana, productivity of Spanish imperial eagles was low (Ferrer and Doná zar, 1996), and declined dramatically in the late 1990s as adult mortality from poison increased (Ferrer et al., 2003).”
Floater strategies and dynamics in birds, and their importance in conservation biology: towards an understanding of nonbreeders in avian populations (2011, background): “This is an essential concept in conservation biology: monitoring the composition of recruits from the floating population may allow early prediction of a future population decline at a time when it might still be possible to prevent the decline (Kenward et al., 2000; Ferrer et al., 2003).”
The Near Extinction of Two Large European Predators: Super Specialists Pay a Price (2004, background): “This monitoring, aimed at providing early warnings of population decline (Balbont́ın et al. 2003, Ferrer et al. 2003), should include demographic, genetic, behavioral, nutritional, and epidemiological aspects.”
Rabbits as a keystone species in southern Europe (2007, background): “For instance, in Doñana National Park rabbit numbers are very low (15.64 pellets/m2), but a recent estimate suggests that seven pairs still remained there at the turn of the century (Ferrer et al., 2003).”