Functional Group of Spiders in Cultivated Landscape Dominated By Paddy Fields in West Java, Indonesia  

Oleh:

Suana, I Wayan ; Solihin, Dedy Duryadi ; Buchori, Damayanti ; Manuwoto, Sjafrida ; Triwidodo, Hermanu ; Schulze, Christian Hansjoachim

Jenis: Article from Journal - ilmiah nasional - terakreditasi DIKTI
Dalam koleksi: Hayati Journal of Biosciences vol. 16 no. 1 (Mar. 2009), page 1-8.
Topik: Spiders; Functional Group; Agricultural Landscape; Cianjur Watershed
Fulltext: 15.pdf (218.31KB)

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: HH13.10 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Distribution of spiders in all colonized environments is limited by biotic and abiotic factors requiring adaptations with respect to, for example microhabitat choice and hunting behavior. These two factors were frequently used to group spiders into functional groups. In this study our objectives were to (i) group of general of spiders into functional group based on their microhabitat specificity, hunting behavior, and daily activity; and (ii) compare the number and composition of functional group of spider at each habtitat type and period of paddy growth. The study was conducted at a landscape dominated by paddy fields in Cianjur Watershed for a period of 9 months. Four different habitat types (paddy, vegetable, non-crop, and mixed garden), were sampled using five trafpping techniques (pitfall traps, farmcop suction, sweep netting, yellow-pan traps, and sticky traps). The Unweighted Pair-Group Average and the Euclidean Distances were used to generate dendrogram of functional group of spider. We found 14 functional groups of spider at genus level. The number of functional group of spider at four habitat types was differing, but the composition was similar, because all habitats were closed to each other. Habitat structure diversity and disturbance level influenced the number of functionalg roup of spider. Different architecture of vegetation and availability of differ prey during paddy growth, causing the composition of functional group of spider in each period of paddy growth was changed, although its number was unchanged.

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