Aescht, E. and Foissner, W., 1991. Bioindikation mit mikroskopsich kleinen Bodentierren, VDI Ber., 901:985-1002.

Aescht, E. and Foissner, W., 1992. Effects of mineral and organic fertilizers on the microfauna in a high altitude afforestation trial, Biol. Fertil. Soils, 13:17-24.

Bamforth, S. S., 1995a. Isolation and counting of protozoa, in Methods in Applied Soil Microbiology and Biochemistry, P. Nannipieri and K. Alef, Eds., Academic Press, New York, 174-180.

Bamforth, S. S., 1995b. Interpreting soil ciliate biodiversity, in The Significance and Regulation of Soil Biodiversity, H. P. Collins, G. P. Roberrtson, and M. J. Klug, Eds., Kluwer Academic, The Netherlands, 179-184.

Berger, H., Foissner, W., and Adam, H., 1985. Protozoolgische Untersuchengen an Almboden im Gasteiner Tal (Zentralalpen, Österreich). IV. Experimentelle Studien zur Wirkung der Bodenverdichtung auf die Struktur der Testaceen- und Ciliatentaxozonose, Veröff Österr. MaB Programms, 9:97-112.

Bonnet, L., 1964. Le peuplement thecamoebien de sols, Rev. Ecol. Biol. Sol., 1:123-408.

Brown, G. G., 1995. How do earthworms affect microfloral and faunal community diversity?, in The Significance and Regulation of Soil Biodiversity, H. P. Collins, G. P. Roberrtson, and M. J. Klug, Eds., Kluwer Academic, The Netherlands, 247-269.

Couteaux, M. M., 1967. Une technique d'observation des thécamoebiens du sol pour l'estimation de leur densité absolue, Rev. Écol. Biol. Sol., 4:593-596.

Darbyshire, J. F., Wheatley, R. E., Greaves, M. P., and Inkson, R. H., 1974. A rapid micromethod for estimating bacterial and protozoan populations in soil, Rev. Écol. Biol. Sol., 11:465-475.

DeRuiter, P. C., Moore, J. C., Zwart, K. B., Bouwman, L. A., Hassink, J., Bloem, J., De Vos, J. A., Marinissen, J. C. Y., Didden, W. A. M., Lebbink, G., and Brussard, L., 1993. Simulation of nitrogen mineralization in the below-ground food webs of two winter wheat fields, J. Appl. Ecol., 30:95-106.

Domsch, K. H., Jagnow, G., and Anderson, T. H., 1983. An ecological concept for the assessment of side-effects of agrochemicals on soil microorganisms, Residue Rev., 86:65-105.

Doran, J. W. and Werner, M. R., 1990. Management and soil biology, in Sustainable Agriculture in Temperate Zones, C. A. Francis and C. B. Flora, Eds., Wiley, New York, 205-225.

England, L. S., Lee, H., and Trevors, J. L., 1993. Bacterial survival in soil: effect of clays and protozoa, Soil Biol. Biochem., 25: 525-531.

Foissner, W., 1987. Soil protozoa: fundamental problems, ecological significance, adaptations in ciliates and testaceans, bioindicators, and guide to the literature, Prog. Protistol., 2:69-212.

Foissner, W., 1992. Comparative studies on the soil life in ecofarmed and conventionally farmed fields and grasslands of Austria, Agric. Ecosyst. Environ., 40:207-218.

Foissner, W., 1994. Soil protozoa as bioindicators in ecosystems under human influence, in Soil Protozoa, J. F. Darbyshire, Ed., CAB International, Wallingford, 147-193.

Griffiths, B. S. and Ritz, K., 1988. A technique to extract, enumerate and measure protozoa from mineral soils, Soil Biol. Biochem., 20:163-173.

Griffiths, B. S. and Young, I. M., 1994. The effects of soil structure on protozoa in a clay-loam soil, Eur. J. Soil Sci., 45:285-292.

Hendrix, P. F., Parmelee, R. W., Crossley, D. A., Coleman, D. C., Odum, E. P., and Groffman, P. M., 1986. Detritus food webs in conventional and no-tillage agroecosystems, Bioscience, 36:374-380.

Korgonova, G. A. and Geltser, J. G., 1977. Stained smears for the study of soil Testacida (Protozoa, Rhizopoda), Pedobiologia, 17:222-225.

Lee, K. E. and Pankhurst, C. E., 1992. Soil organisms and sustainable productivity, Aust. J. Soil Res., 30:855-892.

Lehle, E., 1992. Wimpertiere und andere Einzeller im Boden eines Fichten bestandes im Schwartzwald, Mikrokosmos, 81:193-198.

McNaughton, S. J., 1977. Diversity and stability of ecological communities: a comment on the role of empiricism in ecology, Am. Nat., 111:515-525.

Petz, W. and Foissner, W., 1990. The effects of mancozeb and lindane on the soil microfauna of a spruce forest: a field study using a completely randomized block design, Biol. Fertil. Soils, 7:225-231.

Rutherford, P. M. and Juma, N. G., 1992. Influence of texture on habitable pore space and bacterial-protozoan populations in soil, Biol. Fertil. Soils, 12:221-227.

Schnurer, J., Clarholm, M., and Roswell, T., 1985. Microbial biomass and activity in an agricultural soil with different organic contents, Soil Biol. Biochem., 17:611-618.

Singh, B. N., 1946. A method of estimating the numbers of soil protozoa, especially amoebae, based on their differential feeding of bacteria, Annu. Appl. Biol., 33:112-120.

Tilman, D., 1996. Biodiversity: population versus ecosystem stability, Ecology, 77:350-363.

Wodarz, D., Aescht, E., and Foissner, W., 1992. A weighted coenotic index (WCI): description and application to soil animal assemblages, Biol. Fertil. Soils, 14:5-13.

Yeates, G. W., Bamforth, S. S., Ross, D. J., Tate, K. R., and Sparling, G. P., 1991. Recolo-nization of methyl bromide sterilized soils under four different field conditions, Biol. Fertil. Soils, 11:181-189.

Was this article helpful?

0 0

Post a comment