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Seasonal variations of number and biomass of earthworms in grassland

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Part of the book series: Czechoslovak Academy of Sciences ((TPCI))

Abstract

There are various kinds of soil animals in surface soils of grassland. It was shown that these soil animals are related to the decomposition process of cattle dung and the turn-over of subsoils. It is said that the population density and the species composition affect the decomposition rate and the humus formation in the soil. Howeverm it is still important to investigate such soil animal activities establishing the process of material cycle in the grassland ecosystem. There is little known of such soil animals in the grassland except for soil nematodes. This paper is dealing with the population density and the species composition, and furthermore their seasonal variations in 1966–1967.

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References

  • Agency of Development. Hokkaido (1960): Report on grassland conservation with soil animals, pp. 1–53.

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  • Nakamura , Y. (1968): Studies on the ecology of terrestrial Oligochaeta. appl. Entomol. Zool. 3, 89–95.

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  • Sasaki, S. (1960): Soil geography in Hokkaido. Japan, pp. 1–221.

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  • Tamura , H., Nakamura, Y., Fujikawa, T. and Yamauchi, K. (1969): An ecological survery of soil fauna in Hidaka Mombetsu, southern Hokkaido. J. Fac. Sci. Hokkaido Univ., Ser. VI,- Zool. 17, 17–57.

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  • Tsuru, S. (1967): On studies of the microbial decomposition of various litters and humus formation in volcanic soils, Ed. O. Graff and J. E. Satchell, Progress in Soil Biology, Verlag Frieder Vieweg & Sohn, Braunschweig and North — Holland Publishing Company, Amsterdam, pp. 455–463.

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Jan Vaněk

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© 1975 Springer Science+Business Media Dordrecht

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Tsuru, S. (1975). Seasonal variations of number and biomass of earthworms in grassland. In: Vaněk, J. (eds) Progress in Soil Zoology. Czechoslovak Academy of Sciences. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-1933-0_25

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  • DOI: https://doi.org/10.1007/978-94-010-1933-0_25

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-1935-4

  • Online ISBN: 978-94-010-1933-0

  • eBook Packages: Springer Book Archive

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