The diversity and abundance of aquatic insects in 5 major lakes of South Georgia �

Japoshvili, Bella and Shubitidze, Zhanetta and Bikashvili, Ani and Gabelashvili, Sophio and Mumladze, Levan (2016) The diversity and abundance of aquatic insects in 5 major lakes of South Georgia �. In: 3rd International Conference Water resources and wetlands, 8-10 September, Romania, Tulcea, Romania.

Japoshvili et al. 3rd International Conference “Water resources and wetlands”, Romania.pdf

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Javakheti plateau is located in the Samtskhe-Javakheti region in Southern Georgia, and borders with Turkey and Armenia. Javakheti plateau is one of the riches areas in all Caucasus in terms of its wetland ecosystems. Up to 60 big and tiny size lakes are found there. Paravani Lake which is located at an altitude of 2073 m. a.s.l, is the biggest lake for the country by its surface area 37.5 km², with its maximum depth reaching 3.3. m. Paravani lake is connected to the Sagamo Lake (4.8 km²) by the river Paravai. In 2011 Javakheti protected areas was established in the region, which includes lakes - Khanchali (13.1 km² ), Madatapa (8.78 km²) and Bugdasheni (0.39 km²). The aim of our study was to investigate benthic insect diversity in above mentioned 5 lakes. For this purpose investigation was carried out during 2013-2015, except winter season. According to our results the richest lake by the numbers of insect families was lake Madatapa with 18 families, for Khanchali and Paravani lake 15 families were recorded, and 10 and 8 families were recorded for Saghamo and Bughdasheni lakes, respectively. As a whole the most abundant families were (provided in dominance order): Paravani lake - Chironomidae, Caenidae, Notonectidae; Saghamo lake - Chironomidae, Corixidae and Caenidae; Madatapa lake - Chironomidae, Corixidae and Coenagrionidae; Khanchali lake - Chironomidae, Corixidae and Limnephilidae; Bugdasheni lake - Chironomidae, Corixidae and Notonectidae. However depending on the season dominant families could be a different. These high elevational lakes completely lack the species of order Plecoptera and there is no relationship between the number of insect families and surface area of lake or the elevation.

Item Type: Conference or Workshop Item (Speech)
Subjects: Q Science > QL Zoology
Divisions: Institutes > Institute of Zoology
Depositing User: Dr Bella Japoshvili
Date Deposited: 08 Nov 2016 13:31
Last Modified: 08 Nov 2016 13:31

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