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sur le développement des zones arides et semi-arides

Titre : Estudio faunístico y ecológico de los equinodermos del archipiélago de Cabo Verde

Auteur : Entrambasaguas Monsell, Laura de

Université de soutenance : Universidad de Murcia.

Grade : Doctor en Ciencias Biológicas 2008

Résumé
This study examines the species composition, distribution and abundance of the echinoderm assemblage of the Cape Verde archipelago at three spatial scales and at two depth strata. It also analises the relationship between their spatial variability and variation of habitat structure, temperature, and certain biological and ecological atributes of the species. The assemblage exhibited spatial variability at all considered scales. There were significant realtionships between habitat architecture and depth and both assemblage parameters and species abundances at fine spatial scale. The effects of habitat structure were species-specific, although these associationss could be also determined at taxonomic class level. The observed spatial patterns are inferred to reflect behavioural responses to fine-scale microhabitat complexity and heterogeneity, as well as broad-scale oceanic variables such as anual medium and minimum temperatures

Mots Clés : rlq – hábitat – escala — variabilidad espacial — archipiélago de Cabo Verde — Equinodermos

Présentation (Tesis Doctorals en Xarxa)

Version intégrale (10,52 Mb)