Studying the impacts of land use changes on the occurrence of vector mosquitoes in Sabah Malaysia

Jebrail Evyen Wevan, . and Dawood Mahadimenakbar M., . Studying the impacts of land use changes on the occurrence of vector mosquitoes in Sabah Malaysia. pp. 285-295. ISSN 2550-1909

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.

Full text available from: Official URL: https://jurcon.ums.edu.my/ojums/index.php/jtbc/iss...

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.

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Item Type:	Article
AGROVOC Term:	Mosquitoes
AGROVOC Term:	Vectors
AGROVOC Term:	Land use
AGROVOC Term:	Agricultural development
AGROVOC Term:	Forestry development
AGROVOC Term:	Species diversity
AGROVOC Term:	Population composition
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/9587

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