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Title Species Diversity and microhabitats of spiders in riparian areas of Kanapulan falls, Naawan, Misamis Oriental, Philippines
Posted by Olga Nueza
Authors Jhanna Dawn Apal , Olga M. Nuñeza
Publication date 2020/03
Journal Bulletin of environment, pharmacology and life sciences
Volume 9
Issue 4
Pages 19-30
Publisher Academy for environment and life sciences
Abstract Spiders are highly sensitive to different changes in the environment which make them excellent bioindicators of environmental health. This study aimed to determine the diversity and microhabitats of spiders in the riparian areas of Kanapulan falls, Naawan, Misamis Oriental. Three sampling sites were established. Sampling was done for 12 days. Opportunistic sampling was used employing a combination of vial tapping and beat netting methods. Sixty four species of spiders belonging to 14 families were recorded. Highest species richness and abundance were observed in the downstream riparian area (Site 2) and lowest in the upstream area (Site 3). Araneidae is the spider family with the highest species richness and abundance. Genus Neoscona of family Araneidae had the most abundant species. Even distribution was recorded in the whole study area. Leaf surfaces, branches, and stem of plants were the most common microhabitats of spiders. Five guilds were recorded with the orb weavers as the most dominant guild (38%). Highest diversity was recorded in midstream riparian area (H’=3.405). Although high species spider diversity (H’=3.825) was recorded in Kanapulan falls, potential threats were observed which indicate a threatened ecosystem that needs conservation action.
Index terms / Keywords Araneidae, bioindicator, conservation, orb-weavers, vial tapping.
DOI 10.1155/2012/964381.2