Thursday, April 8, 2010

Declining of Pollinator

Stinglees bees (Trigona sp) in Selangor, Malaysia are threatened by agricultural and changes land use that limit their food resources, alter their reproductive habitats and increase their mortality. Various species may disappear before their importance for regional agricultural productivity and ecosystems maintenance is known. In order to assess their assemblages a study was conducted in Ayer Hitam Forest reserve, Templer Park Forest Reserve and Selangor Fruit Valley. This study focused on of arthropod pollinator (Trigona sp.) species in Selangor. Two method were used to examine the declining of pollinator in Selangor namely by visually count method and bait method. Results indicated total 365 individual was captured. Among this, 5 species of Trigona sp. have been recorded and identified. Two species Trigona thoracica and Trigona itama are commonly shown at sampled area. However, this 2 forest is still under recovering process. The forest is secondary forest and was logged between 1936 and 1954 compare to Selangor Fruit Valley which developed by PKPS (Perbadanan Kemajuan Pertanian Selangor) using clear cutting technique for developing the agricultural valley. So it's is earnest desire to find how to stabilize the trigona population for future Biodiversity