Response of nematode communities to reclamation of agricultural soils following degradation through brown coal strip-mining processes

Affiliation
Institute of Plant Protection and Soil Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China,
Chen, Y. F.;
Affiliation
Department of Entomology and Nematology, University of Florida, Gainesville 32607, USA
Mekete, T.;
Affiliation
International Maize and Wheat Improvement Centre, Ankara 06511, Turkey
Dababat, A. A.;
GND
135911168
Affiliation
Julius Kühn-Institute (JKI), Institute of Plant Protection in Field Crops and Grassland, Germany
Daub, Matthias;
Affiliation
Department of Ecology and Ecological Engineering, China Agricultural University, Beijing 10094, China
Cao, Z. P.;
Affiliation
Institute for Resource Conservation and Plant Science, University of Bonn, Bonn 53115, Germany
Sikora, R. A.

The study assessed the impact on the soil nematodes during the first 3-years after reclamation of a brown coal mining area. Samples were taken from 5 fields: 1 year before excavation, right at the beginning of reclamation (Yr 0), and in fields 1, 2 and 3 years after reclamation. A total of 31 families of nematodes were recorded and the nematode community of field Yr 0 was significantly different from that of other four sampling sites. Nematode abundance decreased after excavation and then began to return to initial community levels at each of the three reclamation sites with bacterivore nematodes recovering faster than the fungivores, omnivore-predators or the plant parasites. A gradual but consistent regeneration of the nematode community to its original structure was seen from the beginning of sampling and this recovery process was detectable over the three successive years of experimentation. Open-pit mining, therefore, drastically disturbed nematode community structure initially but the community was able to recover and stabilized quickly after reclamation.

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