Studying the Impacts of Land Use Changes on the Occurrence of Vector Mosquitoes in Sabah, Malaysia

Evyen Wevan Jebrail and Mahadimenakbar M. Dawood (2020) Studying the Impacts of Land Use Changes on the Occurrence of Vector Mosquitoes in Sabah, Malaysia. Journal of Tropical Biology and Conservation, 17. pp. 285-295. ISSN 2550-1909

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Abstract

Land use changes as a result of infrastructural and agricultural development such as construction of forest field centre, establishment of large-scale oil palm plantations, and logging activities are increasing in Malaysia. These activities lead to environmental disturbances and may affect the ecological balance of many organisms. Mosquitoes are very sensitive to environmental changes since their diversity, distribution and abundance are influenced by even small changes in environmental conditions such as availability of suitable breeding sites. Mosquitoes from three different sites of varying disturbance levels at the SAFE Project experimental areas in eastern Sabah i.e., old growth forest (OG), logged forest (LFE) and heavily logged forest (Block B) were collected and identified to species level. Shannon-Wiener index and Simpson index of diversity were calculated and the diversity value were highest in LFE (H’= 0.4434, 1/D= 1.3427) and the least in Block B (H’= 0.3260, 1/D= 1.1627). A similar trend was detected in terms of mosquito abundance with the highest abundance recorded in LFE and the least in Block B. Results of the present study generally suggest that land use changes do affect mosquito diversity and abundance by altering, creating or providing places for the adult mosquitoes to breed.

Item Type:	Article
Keyword:	Land use changes, forest disturbance, vector mosquitoes, SAFE Project, Sabah
Subjects:	Q Science > Q Science (General) Q Science > QH Natural history
Department:	INSTITUTE > Institute for Tropical Biology and Conservation
Depositing User:	SITI AZIZAH BINTI IDRIS -
Date Deposited:	19 Jan 2021 21:34
Last Modified:	19 Jan 2021 21:34
URI:	https://eprints.ums.edu.my/id/eprint/26663

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