Spatio-temporal pattern of wolf spiders on oil palm plantation

H. Juhaida, R. Faszly

Abstract


Spatio-temporal pattern of spiders are important in ecosystems because from the pattern we can see the interaction of spiders population with their habitat. In this paper the spatio-temporal pattern of wolf spiders (Lycosidae) in oil palm plantation was studied. It was conducted at Yayasan Pahang Oil Palm Plantation, Endau Rompin, Pahang, Peninsular Malaysia which were managed by the Yayasan Pahang Plantation Sdn. Bhd in two selected blocks (B36 and B37) for one plot each. Samplings were made from May 2010 to April 2011 using
pitfall trap method and operated at different temporal spans. This was to compare the variations in spatialtemporal pattern at different plots and times. Pitfall traps were arranged in grid 10 x 5 for each plot and the pitfall were flushed into the ground. This sampling method was effective for ground-dwelling arthropods besides it was low cost methods and continuous sampling effort (active during day and night). The samples were preserved into 70% ethyl alcohol and 30% of glycerol. A total of 272 individuals of Lycosidae were collected during the study periods. Spatial pattern of Lycosidae were analysed using SADIE while the maps for the distribution were generated using SURFER. The environmental factors such as soil properties, climatic conditions, prey predator interactions and management practices for the plantations might be affecting the population and distribution for Lycosidae which were needed further investigation. In conclusion, the abundance and distribution patterns of Lycosidae were vary greatly between months


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