DIVERSITY OF EPHEMEROPTERA,PLECOPTERA AND TRICHOPTERA IN VARIOUS TRIBUTARIES OF TEMENGGOR CATCHMENT,PERAK,MALAYSIA  

作　　者：Che Salmah M R Abu Hassan A Jongkar G 

机构地区：[1]School of Biological Sciences,University Sains Malaysia,11800 Minden,Pulau Pinang,Malaysia

出　　处：《湿地科学》2007年第1期20-31,共12页Wetland Science

摘　　要：A rich fauna of Ephemeroptera(mayfly),Plecoptera(stonefly) and Trichoptera(caddisfly)(EPT) were collected from 14 highland streams discharging into the Temenggor Reservoir in Perak in the northern peninsular Malaysia.Out of the 3 orders,Ephemeroptera was the most diverse but Trichoptera was the most abundant.45 genera that belonged to 25 families of EPT were recorded.Distribution of EPT varied significantly between orders and types of streams they inhabited.Their diversity and abundance were higher in the second and third order streams.There was no significant relationship between environmental parameters and diversity as well as abundance of EPT in these streams.Their diversity indices together with EPT taxa richness scores referred to clean water environment,hence very suitable for these insects.The EPT taxa richness calculated for the 14 streams reflected that 13 out of 14 streams were undisturbed having good water quality(value of EPT taxa richness > 10).Previous logging and mining activities were suspected to be the main cause for tremendous disappearance of EPT genera in the Kelian stream.Since no previous human activities were recorded around the Telang stream,natural phenomena possibly contributed to low abundance of these insects in the Telang stream.A rich fauna of Ephemeroptera （mayfly）, Plecoptera （stonefly） and Trichoptera （caddisfly） （EPT） were collected from 14 highland streams discharging into the Temenggor Reservoir in Perak in the northern peninsular Malaysia. Out of the 3 orders, Ephemeroptera was the most diverse but Trichoptera was the most abundant. 45 genera that belonged to 25 families of EPT were recorded, Distribution of EPT varied significantly between orders and types of streams they inhabited. Their diversity and abundance were higher in the second and third order streams. There was no significant relationship between environmental parameters and diversity as well as abundance of EPT in these streams. Their diversity indices together with EPT taxa richness scores referred to clean water environment, hence very suitable for these insects. The EPT taxa richness calculated for the 14 streams reflected that 13 out of 14 streams were undisturbed having good water quality （ value of EPT taxa richness 〉 10）. Previous logging and mining activities were suspected to be the main cause for tremendous disappearance of EPT genera in the Kelian stream. Since no previous human activities were recorded around the Telang Stream, natural phenomena possibly contributed to low abundance of these insects in the Telang stream.

关 键 词：襀翅目 蜉蝣目 毛翅目 马来群岛 丰度 生物多样性 湿地 溪流 昆虫 

分 类 号：Q969.2[生物学—昆虫学] Q958.5