Factors influencing the decline of a Bonelli's eagle Hieraaetus fasciatus population in southeastern Spain: demography, habitat or competition?

@article{Carrete2004FactorsIT,
  title={Factors influencing the decline of a Bonelli's eagle Hieraaetus fasciatus population in southeastern Spain: demography, habitat or competition?},
  author={Martina Carrete and Jos{\'e} Antonio S{\'a}nchez-Zapata and Jos{\'e} Enrique Mart{\'i}nez and Miguel Angel S{\'a}nchez and Jos{\'e} F Calvo},
  journal={Biodiversity & Conservation},
  year={2004},
  volume={11},
  pages={975-985}
}
We investigated three possible causes of territory desertion among Bonelli's eagles Hieraaetus fasciatus in Murcia (southeastern Spain): low demographic parameters, low habitat quality and competition with Golden eagles Aquila chrysaetos. From 1983 to 1997, we surveyed a Bonelli's eagle population. Abandoned and occupied territories were compared to find differences in demographic parameters (flight rate, productivity and mortality) or habitat characteristics. Mortality was significantly higher… CONTINUE READING
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