Diversity of dragonflies (Odonata: Anisoptera) and habitat preferences in Bayawan Nature Reserve / Almira A. Lua.
Material type:
TextDescription: iii, 74 pages : color illustration ; 28 cmSubject(s): - Dragonflies -- Philippines -- Negros Oriental
- Dragonflies -- Philippines -- Negros Oriental. -- Habitat
- Odonata -- Classification
- Biodiversity -- Philippines -- Negros Oriental
- Nature reserves -- Philippines -- Negros Oriental
- Biology, Bachelor of Science in. Diversity of dragonflies (Odonata: Anisoptera) and habitat preferences in Bayawan Nature Reserve / BIO 117
- (CAS-Bio) LG 221 D35 A78 A5 B56 .2024 L83
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Thesis Undergraduate (BS Biology) -- Foundation University, 2024.
Includes bibliographical references and appendix
Diversity of Dragonflies (Odonata: Anisoptera) andHabitat Preferences in Bayawan Nature Reserve
ABSTRACT
Dragonflies are important indicators of ecosystem health,with the highest species diversityfound in areas with a variety of microenvironment. The purpose of this study was to documentthe dragonfly species diversity and associated habitats and selected environmental parameters.Fieldwork was carried out for seven days, from late July to early August 2024, at seven sites in theBayawan Nature Reserve, by a team of four, including the researcher. Seven dragonfly speciesfrom five genera in the Libellulidae family were documented with a total of 212 individuals. Thespecies observed included Orthetrum serapia, O. chrysis,Neurothemis ramburii, Diplacodestrivialis, Trithemis festiva, T. aurora, and Pantala flavescens,all categorized as Least Concern(LC)by the Internal Union of the Conservation of Natural Resources (IUCN). Correlation analysisshows significant trends that highlight the need for further research. The data revealed that therewas a strong negative correlation link between canopy cover and relative humidity and dragonflyspecies richness, whereas elevation shows no discernible impact. In contrast, air temperature hasa substantial strong positive association with some dragonfly species. Wind velocity appears toaffect only Pantala flavescens. These findings indicate that the relationship between dragonfly species occurrence and environmental factors warrants additional
investigation.Keywords:Odonata,Anisoptera,Dragonfly,Diversity,HabitatPreferences,Bayawan NatureReserve
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