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http://dx.doi.org/10.17663/JWR.2012.14.4.667

Landscape Ecological Characteristics of Habitat of Nannophya pygmaea Rambur (Libellulidae, Odonata), an Endangered Species for Conservation  

Cho, Kyu-Tae (Graduate School Dept. of Biology, Kongju National University)
Kim, Hyun-Woo (Graduate School Dept. of Biology, Kongju National University)
Kim, Hae-Ran (Graduate School Dept. of Biology, Kongju National University)
Jeong, Heon-Mo (Graduate School Dept. of Biology, Kongju National University)
Lee, Kyung-Mi (Graduate School Dept. of Biology, Kongju National University)
Kang, Tay-Gyoon (Kongju National University)
You, Young-Han (Dept. of Biology, Kongju National University)
Publication Information
Journal of Wetlands Research / v.14, no.4, 2012 , pp. 667-674 More about this Journal
Abstract
This study was conducted to understand landscape ecological characteristics on habitats of Nannophya pygmaea, an endangered species in South Korea. The ecological characteristics of the habitats were investigated in abandoned paddy fields where N. pygmaea populations have been found in Chungcheongnam-do Kongju, Gyeonggi-do Kwangju and Gyeongsangbuk-do Mungyeong from 2009 to 2010. We surveyed the dominant vegetation, areas, water depth and temperature, and plant height and coverage to compare the wetlands living N. pygmaea and not living N. pygmaea. As a result, habitats of N. pygmaea in all regions were dominated by Salix koreensis community. There is no signigicant difference in the water temperature, plant height and coverage among wetlands of the three different sites, but depth was varied within 2.5~9.5cm. The water depth of habitat was deeper in Gongju than the others. Percentage of open water was 1.7~6% in the wetlands living N. pygmaea. but it did not appear in the wetlands not living N. pygmaea. Therefore, the ecological characteristics of wetlands as abandoned paddy fields should be taken into account for N. pygmaea habitat conservation and restoration.
Keywords
Nannophya pygmaea; Endangered species; habitat; abandoned field; wetland; landscape ecology;
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