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All Journal Indonesian Journal of Ecology and Conservation
Makerra, Andi Dewi Rizka Ainulia
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Environmental Science

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Studi Keanekaragaman Jenis Capung di Desa Lembang Mokallang, Kabupaten Mamasa, Sulawesi Barat, Indonesia Hadris; Makerra, Andi Dewi Rizka Ainulia; Anas, Muh
Indonesian Journal of Ecology and Conservation Vol 1 No 1 (2024): Flora and Fauna Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v1i1.3714

Abstract

This study aimed to determine the diversity index of dragonfly species. Observations were conducted using the capture–recapture method, which involved capturing dragonflies, marking them, and releasing them back into their habitat. The recording of each dragonfly species was carried out using an exploration method by surveying specific areas and recording and counting the number of individuals of each species encountered. The study was conducted in August 2023 at three research stations. Data analysis was performed using the Shannon–Wiener diversity index (H’). The data were analyzed using the PAST (Paleontological Statistics) application. The results showed that a total of 11 species with 539 individuals belonging to four families were recorded. The most abundant species was Pantala flavescens, with 113 individuals. The diversity index values were H’ = 1.993 at Station I, H’ = 1.739 at Station II, and H’ = 1.937 at Station III. Overall, the dragonfly diversity index at each station in Lembang Mokallang Village, Mamasa Regency, was categorized as moderate diversity
Komposisi Spesies dan Dominansi Hama Serangga pada Tanaman Kakao (Theobroma cacao L.) di Kabupaten Mamasa, Sulawesi Barat Rosalianti, Alde Lisa; Makerra, Andi Dewi Rizka Ainulia; Amaliah, Rezeki
Indonesian Journal of Ecology and Conservation Vol 3 No 1 (2026): Ecology and Biodiversity Conservation
Publisher : Center for Ecology, Conservation and Ethnobiology Studies, Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31605/ijec.v3i1.6315

Abstract

Cocoa (Theobroma cacao L.) is one of the most important plantation commodities that contributes significantly to local economic development, particularly in West Sulawesi. However, cocoa productivity often declines due to insect pest attacks. This study aimed to determine the species composition and dominance of insect pests attacking cocoa plants in Rembak Hamlet, Bambang Buda Village, East Rantebulahan District, Mamasa Regency. This research employed a descriptive exploratory method with purposive sampling applied to three cocoa plantation sites, each divided into three subunits measuring 10 m × 5 m. Insect pests were collected using two techniques: direct sampling and soap water traps. The results revealed the presence of ten insect pest species attacking cocoa plants, namely Helopeltis spp., Aulacophora nigripennis, Hyposidra talaca, Planococcus minor, Conopomorpha cramerella, Dolichoderus thoracicus, Adoretus spp., Zeuzera coffeae, Pheidole megacephala, and Camponotus spp. These pests attacked several plant parts, particularly fruits, leaves, and stems, causing various types of damage such as fruit spots, perforated leaves, and stem borings. The analysis indicated that Planococcus minor was the most dominant pest species found on cocoa plants in the study area. The presence of these insect pests may reduce both the quality and quantity of cocoa production. Therefore, appropriate pest management strategies are necessary to support the sustainability of cocoa production in the region
Co-Authors Amaliah, Rezeki Anas, Muh Hadris Rosalianti, Alde Lisa