Distribution and species richness of adult Odonata in urban wetlands in Tagum City, Mindanao, Philippines
2022
Vitor, C.K.A. | Pagarigan, E.C. | Tagoon, M.D.T. | Garcia, M.M. | Bautista, M.G.
Several studies on Philippine Odonata have focused mainly on the protected landscapes and forest reserves; however, little ecological research has been done in an urban setting. Species distribution, abundance, and diversity of Odonata in Tagum were conducted, where no previous records were available. Field sampling was conducted from JulyOctober 2018 among various locations in Tagum City, Davao del Norte. Results showed a total of 1,239 individuals of identified Odonata composing nine species of Family Libellulidae and three species of Family Coenagrionidae. The dominant and most abundant species were Pantala flavescens, Diplacodes trivialis, and Orthetrum sabina. A relatively high Margalef's Index of species richness (R = 2.148) and moderate species diversity (H'= 1.935) were recorded in Botanical Park and a less even distribution was observed in all sites. Canonical correspondence analysis indicated that both temperature and humidity can affect the abundance of certain species within the community.
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