Odonata diversity in the Laine Waterfall Area, Sangihe Islands, North Sulawesi, Indonesia

Koneri, Roni and Nangoy, Meis J. and Elfidasari, Dewi (2022) Odonata diversity in the Laine Waterfall Area, Sangihe Islands, North Sulawesi, Indonesia. Aquaculture, Aquarium, Conservation & Legislation (AACL) Bioflux, 15 (3). pp. 1083-1095. ISSN 1844-9166

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Abstract

In the ecosystem, Odonata functions as a biological control agent and an indicator of the freshwater environment. Therefore, this research aims to analyze Odonata diversity in the Laine Waterfall Area, Sangihe Islands, North Sulawesi, Indonesia. The sampling was carried out in 3 types of aquatic habitats, namely waterfalls, secondary forests, and agricultural land. In each habitat, 3 line transects with a length of 100 m were constructed around the river flow and the sampling was conducted along the transect using a sweep net. The results obtained a total of 5 families, which consists of 25 species and 928 individuals of dragonflies. Among the families, Libellulide was dominant, while the species with the highest abundance was Nososticta flavipennis. Furthermore, the highest abundance, richness, and species diversity index were discovered in waterfall habitats. This showed that the research location is suitable for dragonfly activity due to several factors, namely temperature, humidity, and light intensity, which were normal for the species' activity.

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