Results 141 to 150 of about 1,454 (173)

Soil macrofauna and nitrogen on a sub-Antarctic island

Oecologia, 1992
The densities, diets and habitat preferences of the soil macrofaunal species on sub-Antarctic Marion Island (47°S, 38°E) are described. Their role in N cycling on the island is assessed, using a mire-grassland community as an example. Primary production on the island is high and this leads to a substantial annual requirement of nutrients by the ...
V R, Smith, Marianna, Steenkamp
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Soil Fungi and Macrofauna in the Neotropics

2007
Decomposition is a critical ecosystem function that decomposes dead organic materials, removes wastes, recycles nutrients and renews soil fertility. In natural ecosystems most nitrogen (N) and phosphorous (P) required for plant growth are supplied through the decomposition of detritus, relying therefore on the activities of soil microbes and macrofauna.
Yiqing Li, Grizelle González
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Soil fertility management: Impacts on soil macrofauna, soil aggregation and soil organic matter allocation

Applied Soil Ecology, 2011
Maintenance of soil organic matter through integrated soil fertility management is important for soil quality and agricultural productivity, and for the persistence of soil faunal diversity and biomass. Little is known about the interactive effects of soil fertility management and soil macrofauna diversity on soil aggregation and SOM dynamics in ...
Ayuke, F.O., Brussaard, L., Vanlauwe, B., Six, J., Lelei, D.K., Kibunja, C.N., Pulleman, M.M.   +6 more
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Mesofauna and Macrofauna in Soil and Litter of Mixed Plantations

2020
The cultivation of leguminous nitrogen-fixing tree species improves soil chemical properties, especially with regard to N, and has been identified to be ecologically and economically interesting in intercropped systems with Eucalyptus spp., although the effect of these mixed plantations on soil and litter invertebrates still is poorly understood.
Maurício Rumenos Guidetti Zagatto, Luís Carlos Iuñes Oliveira Filho, Pâmela Niederauer Pompeo, Cintia Carla Niva, Dilmar Baretta, Elke Jurandy Bran Nogueira Cardoso   +5 more
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Impact of Pollution Caused by Uranium Production on Soil Macrofauna

Environmental Monitoring and Assessment, 2003
Thirty years of mining and milling activities of the Priargunsky Mining-Chemical Production Company (South-Eastern Siberia, Russia) have resulted in an enrichment of uranium in adjacent steppe soils by a factor of up to 600. A number of attendant pollutants (thorium, arsenic and heavy metals) also have high concentrations in the soil.
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Impact of Soil Fertility Management Strategies on Diversity and Populations Soil Macrofauna in an Agroecosystem

East African Agricultural and Forestry Journal, 2003
No Abstract Available E. Afr. Agric. For. J.
Ayuke, FO, Rao, MR, Swift, MJ, Opondo-Mbai, ML   +3 more
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Soil macrofauna as an indicator for evaluating soil based ecosystem services in agricultural landscapes

Acta Oecologica, 2019
Abstract Soils participate in the provision of numerous ecosystem services of great importance for the maintenance of ecosystems and human societies. Physical and chemical soils properties sustain supporting ecosystem services like plant production and the infiltration and provision of clean water.
E. Velasquez, P. Lavelle
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Soil macrofauna of the south of Kunashir Island (Kuril Islands, Russia)

Doklady Biological Sciences, 2014
Study of the soil biota organization under the con ditions of minimal human influence in different soil types is one of the most important tasks for both fun damental and applied soil biology. When developing the concept of the zoological method of soil diagnos tics, Gilyarov [6] considered the taxonomic diversity and the number of species of the ...
K B, Gongalsky, D M, Kuznetsova, A D, Elagin, S A, Malyavin, A S, Zaitsev   +4 more
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Effects of macrofauna on soil properties in tropical ecosystems

Agriculture, Ecosystems & Environment, 1988
Abstract Earthworms, termites and ants influence soil physical, chemical and biological properties. Earthworms are most active in humid and subhumid tropics, termites and ants are more active in semi-arid and arid regions. Soil fauna influence rates of soil turnover, mineralization and humification of soil organic matter, soil texture and consistency,
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Abundance and diversity of soil macrofauna in northern Botswana

Journal of Tropical Ecology, 1997
ABSTRACTThe abundance and diversity of soil macrofauna were assessed in a range of vegetation types in northern Botswana. Hand-sorting of soil was used to extract all fauna greater than 2 mm body length from sandy soils in both the dry season (June) and towards the end of the single rainy season (February).
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