Diversity and abundance of insects in forest of Bukit Keluang, Besut, Terengganu

Noor Ain, Abdullah and Salmah, Mohamed (2021) Diversity and abundance of insects in forest of Bukit Keluang, Besut, Terengganu. In: 2nd International Conference on Agriculture, Animal Sciences and Food Technology, 02-03 Mac 2021, UniSZA, Gong Badak Campus, Terengganu.

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Abstract

Bukit Keluang is one of the famous tourism activities cause their beautiful sandy beaches and outstanding landscapes in Besut, Terengganu. Tourism activities like hiking and recreational activities would negatively affect to flora and fauna, particularly on insects. A study was conducted to determine the diversity and abundance of insects in the coastal and inland forest of Bukit Keluang. There were three sampling methods employed as Malaise traps, yellow pan traps, and pitfall traps. The sampling methods were employed and left for seven days before the insects were collected. A total of 455 individuals of insects consisting of 10 orders (Diptera, Hymenoptera, Lepidoptera, Coleoptera, Collembola, Homoptera, Orthoptera, Dermaptera, Isoptera and Blattodea) were successfully collected with order of Hymenoptera dominated the number of individuals collected. The insect’s individuals were slightly higher in the coastal forest with 271 individuals (9 orders) than in the inland forest with 185 individuals (8 orders). However, Shannon-Weiner Diversity Index (H’) showed that the diversity of insects in the inland forest was higher with H’=1.52 than coastal forest with H’=0.86, respectively. We conclude that the insects’ diversity and abundance in Bukit Keluang is relatively high in inland forest but low in coastal forest. As no other insect survey has been conducted in this study area in the past, this research provides a basic information and dataset of insects’ diversity and abundance which may useful for further ecological research at Bukit Keluang in the future.

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