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Effect of experimental and seasonal warming on litter decomposition in a temper...
Ferreira, Verónica; Canhoto, C.Litter decomposition, a fundamental ecosystem process in woodland streams, is potentially affected by the predicted increase in water temperature. Here, we assessed the effects of experimental and seasonal warming on oak litter decomposition and on the relative contributions of microbes and invertebrates to this process. Experimental warming (*3 C) stimulated litter decomposition in the coldest, but not in the...
Biological testing of a digested sewage sludge and derived composts
Moreira, R.; Sousa, J.P.; Canhoto, C.Aiming to evaluate a possible loss of soil habitat function after amendment with organic wastes, a digested sewage sludge and derived composts produced with green residues, where biologically tested in the laboratory using soil animals (Eisenia andrei and Folsomia candida) and plants (Brassica rapa and Avena sativa). Each waste was tested mimicking a field application of 6 ton/ha or 12 ton/ha. Avoidance tests d...
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