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http://dx.doi.org/10.5423/RPD.2012.18.4.381

Soil Nematode Fauna in Dokdo Island of Korea  

Kim, Dong-Geun (Institute for Natural Products Research)
Park, Byung-Yong (Crop Protection Division, Rural Development Administration)
Ryu, Young-Hyun (Institute for Natural Products Research)
Publication Information
Research in Plant Disease / v.18, no.4, 2012 , pp. 381-386 More about this Journal
Abstract
Nematode fauna in Dokdo island was investigated for two years between 2008 and 2009. Population density and biomass were $239,500m^2$ (26,000-836,000) and $103.9mg/m^2$ (3.0-388.6), respectively. Total of 31 species of nematodes were identified : Acrobeloides is the most important genus with prominence value (PV) of 117.8, followed by Rhabditidae (PV = 81.9), Prismatolaimus (PV = 39.0), and Aphelenchoides (PV = 31.4). Among feeding group, bacteriovorus nematode composed 77% of density and 62% of biomass followed by plant-parasitic and fungivorus nematodes. A species of Pratylenchus having distinctive tail terminus is under study as a new species. Biological indices, Shannon and Wiener index (2.46), Simpson's diversity index (0.86), Species evenness (0.73), Species richness (1.30) indicate that nematode fauna in Dokdo island is diverse and unique. This study may give a general idea of nematode fauna at the Dokdo island.
Keywords
Diversity index; Dokdo island; Feeding group; Species evenness; Nematodes;
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