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Suez Canal University (2004)

ECOLOGICAL & TAXONOMIC STUDIES ON SOME SPIDERS OF SOUTH SINAI

ABD EL-MONIEM, HOSSAM EL-DIN M.

Titre : ECOLOGICAL & TAXONOMIC STUDIES ON SOME SPIDERS OF SOUTH SINAI

Auteur : ABD EL-MONIEM, HOSSAM EL-DIN M.

Etablissement de soutenance : Suez Canal University

Grade : Master in Zoology (2004)

Résumé
Using pitfall traps, wondering spiders (Arachnida : Araneae) were sampled in a nested design from three different localities in the mountainous arid ecosystem of South Sinai at low, middle, and high altitudes. Each locality was represented by four different 20X15m sites, and each site had twelve individuals traps distributed systematically. Habitat type and altitude were clearly different among the three localities. Spiders’ diversity per trap varied spatially and temporally among the different localities and sometimes within localities. Altitude, relative humidity, and temperature had different effects on spiders’ diversity and appear to have either positive or negative correlations with the abundance of different recorded families. Habitat heterogeneity within a locality may also affect spiders’ diversity. The different localities had distinct and characteristic groups of spiders responding to altitude and habitat characteristics.

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Page publiée le 25 février 2016, mise à jour le 12 juin 2018