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IJSRP, Volume 8, Issue 1, January 2018 Edition [ISSN 2250-3153]

      Kalavanti Mokaria, Bharat Jethva

Abstract: Dragonflies and damselflies are one of the important aquatic insect groups belonged to Order Odonata. Dragonflies and damselflies immature stage (nymphs) are truly aquatic and adult stage are terrestrial. They sometimes also act as a flagship species group being a top predator and environmentally sensitive group. Nalsarovar is an important wetland in terms of its multiple categories designated such as a Birds Sanctuary, Important Bird and Biodiversity Area, a Ramsar Site of Gujarat State. Total area of Nalsarovar Bird Sanctuary (NBS) area is 120 sq km. A study was carried out from February 2015 to February 2017 at Nalsarovar Bird Sanctuary. A species inventory was carried out by Visual Encounter Survey (VES). Fourteen sites were fixed using GPS for the survey. Survey was carried out including all seasons and covering all major habitats. Adult dragonflies and damselflies encountered were recorded. During the entire survey total 30 species of dragonflies and damselflies were encountered that belonged to 5 different families namely Libellulidae, Gomphidae, Aeshnidae, Coenagrionidae and Lestidae. Total 37 odonate species including both dragonflies and damselflies were encountered depended especially Nalsarovar Bird Sanctuary area combining the past recorded species and species encountered in current research study. Among species encountered during study almost all species belong to Least Concern (LC) category whereas a dragonfly species Indothemis carnatica (Fabricius, 1798) is listed under Near Threatened (NT) category under IUCN category. During entire study 14 species of Odonates were encountered at all sites whereas variations in distribution of 16 Odonate species were encountered at specific sites.

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Kalavanti Mokaria, Bharat Jethva (2018); Diversity, Local Distribution and Occurrence of Dragonflies and Damselflies (Odonata: Insecta) In Nalsarovar Bird Sanctuary (Ramsar Site), Gujarat; Int J Sci Res Publ 8(1) (ISSN: 2250-3153).



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