Research in Plant Disease (식물병연구)

The Korean Society of Plant Pathology (한국식물병리학회)
권호 표지
DOI QR코드

DOI QR Code

Soil Nematode Fauna in Dokdo Island of Korea

독도의 토양 선충상

  • 김동근 (경북농업기술원 신물질연구소) ;
  • 박병용 (국립농업과학원 작물보호과) ;
  • 류영현 (경북농업기술원 신물질연구소)
  • Received : 2012.04.10
  • Accepted : 2012.12.20
  • Published : 2012.12.31
Download PDF
⟨ Previous Next ⟩

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.

독도 생태 연구의 일환으로 2008-2009년 2개년간 독도의 토양을 채집하고 선충의 종류, 밀도, 식이습성군, 생태지수 등의 연구를 수행하였다. 독도에서 총 31종의 선충이 발견되었으며 평균 밀도는 $m^2$당 239,500마리(26,000-836,000)였고 biomass는 $103.9mg/m^2$(3.0-388.6)였다. 중요도는 Acrobeloides 속이 Prominence value(PV) 117.8로 가장 높았고 다음으로 Rhabditidae(PV = 81.9), Prismatolaimus(PV = 39.0), Aphelenchoides(PV = 31.4) 순이었다. Feeding Group별로는 세균성선충이 전체 선충 중에서 밀도로는 77%, biomass로는 62%를 차지하여 가장 중요한 그룹이었고 다음으로는 식물기생성선충과 식균성선충류였다. 동도 참소리쟁이에서 발견된 뿌리썩이선충은 신종으로 추정된다. 독도 선충의 생태적 분석 결과 Shannon and Wiener 지수(2.46), Simpson's diversity 지수(0.86), 종 균일도(0.73), 종 풍부성(1.30)을 볼 때 독도의 선충상은 종이 풍부하고, 다양한 것이 특징이며, 독도만의 독특한 생태계를 유지하고 있다고 하겠고 이것은 경작되지 않고 자연 그대로 보존된 원시적 환경의 특징이다. 이번의 조사 결과는 독도의 생태적 모니터링에 기초자료로 활용되어질 수 있을 것이다.

Keywords

References

  1. Andrassy, I. 1956. The determination of volume and weight of nematodes. Acta Zool. Hung. 2: 1-15.
  2. Bernard, E. C. 1992. Soil nematode biodiversity. Biol. Fert. Soils 14: 99-103. https://doi.org/10.1007/BF00336257
  3. Biederman, L. A. and Boutton, T. W. 2009. Biodiversity and trophic structure of soil nematode communities are altered following woody plant invasion of grassland. Soil Biol. Biochem. 41: 1943-1950. https://doi.org/10.1016/j.soilbio.2009.06.019
  4. Lee, B. H. and Choi, Y. E. 1982. The density and biomass of the small soil animals in the climax forest of Piagol valley in Mt. Chiri. Rep. Korean Assoc. Conser. Nature 21: 163-177.
  5. Margalef, D. H. 1958. Information theory in ecology. General Systematics 3: 36-71.
  6. McSorley, R. 2004. Soil-Inhabiting Nematodes. The University of Florida. http://creatures.ifas.ufl.du/nematode/soul_nematode.html.
  7. Mulder, C. P. H., Bazeley-White, E., Dimitrakopoulos, P. G., Hector, A., Scherer-Lorenzen, M. and Schmid, B. 2004. Species evenness and productivity in experimental plant communities. Oikos 107: 50-63. https://doi.org/10.1111/j.0030-1299.2004.13110.x
  8. Niblack, T. L. and Bernard, E. C. 1985. Plant-parasitic nematode communities in dogwood, maple, and peach nurseries in Tennessee. J. Nematol. 17: 132-139.
  9. Norton, D. C. 1978. Ecology of plant parasitic nematodes. New York: Willey-Interscience. 268 pp.
  10. Norton, D. C. and Schmitt, D. P. 1978. Community analyses of plant-parasitic nematodes in the Kalsow prairie, Iowa. J. Nematol. 10: 171-176.
  11. Shannon, C. E. and Weaver, W. 1998. The mathematical theory of communication. University of Illinois Press, Urbana, USA. 144 pp.
  12. Simpson, E. H. 1949. Measurement of diversity. Nature 163: 688. https://doi.org/10.1038/163688a0
  13. Southey, J. F. 1986. Laboratory methods for work with plant and soil nematodes. London: Her Majesty's Stationery Office. 202 pp.
  14. Viglierchio, D. R. and Schmitt, R. V. 1983. On the methodology of nematode extraction from field samples: Comparison of methods for soil extraction. J. Nematol. 15: 450-454.
  15. Yeates, G. W. and Bongers, T. 1999. Nematode diversity in agroecosystems. Agr. Ecosyst. Environ. 74: 113-135. https://doi.org/10.1016/S0167-8809(99)00033-X

Cited by

  1. First Record of Acrobeloides nanus (Cephalobidae: Rhabditida: Nematoda) from Korea vol.32, pp.4, 2016, https://doi.org/10.5635/ASED.2016.32.4.035
  2. Screening of Tissue Papers for Nematode Extraction for the Baermann Funnel Method 2016, https://doi.org/10.5656/KSAE.2016.09.0.035
  3. Occurrence and Variation of Soil Nematodes at Continuous Plastic Film House Cultivation in Hot Pepper vol.49, pp.2, 2015, https://doi.org/10.14397/jals.2015.49.2.1