La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Long-term trends in the demography of the Allen Cays Rock Iguana (Cyclura cychlura inornata): Human disturbance and density-dependent effects
Auteurs :	John B. Iverson, Auteur ; Sarah J. Converse, Auteur ; Geoffrey R. Smith, Auteur ; Jennifer M. Valiulis, Auteur
Type de document :	Article
Dans :	Biological Conservation (132(3) OCT 2006)
Article en page(s) :	300-310
Langues:	Anglais
Résumé :	Allen Cays Rock Iguanas (Cyclura cychlura inornata) are native to two small islets (Leaf and U Cay) in the north-central Bahamas. These populations were nearly extirpated in the early 1900s because of heavy hunting pressure (for food), but increased to a total of ca. 150 lizards in 1970, and now number over 500 (not including juveniles). Over the past several decades poaching has declined, but tourist visitation (including nearly daily supplemental feeding of iguanas) has increased. To examine human impacts on the demography of these iguanas, survival, population growth rates, and population sizes for subadult and adult (>

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