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This paper reports and compares the free and sulfate S contents in the soil profiles from barren flats and Mangrove communities previously described [...
Read moreThis paper presents a survey of sites thought to support the EC Habitats Directive Annex 1 habitats 'Alkaline Fen' and to a lesser extent 'Transition ...
Read moreThis paper presents the results of a field study conducted in Spain, to evaluate the effectiveness of installing nest boxes for insectivorous birds in...
Read moreThis paper presents the results of a field study conducted in Spain, to evaluate the efficiency of installing artificial nest boxes for insectivorous ...
Read moreThe weed management of modern agriculture will continue its change to less intense use of herbicides and more prominent use of alternative measures. F...
Read moreResults are given of studies on Arrhenatherum elatius-dominated grassland in 1973-5. The relevance of the results to grassland management for nature c...
Read moreN fixation by white clover established on colliery spoil in S. Yorkshire was measured weekly between May and Nov. Residual spoil P levels from 2 rates...
Read moreSexual reproduction in 9 clones of Eichhornia crassipes from different parts of the world was examined in the glasshouse. Eight of the clones flowered...
Read moreSexual reproduction and natural seed production in Eichhornia crassipes was examined in a total of 19 populations from 2 tropical regions (Lower Amazo...
Read moreThe species investigated included Atriplex halimus, A. vesicaria, Kochia indica, Zygophyllum dumosum, Reaumuria hirtella, Haloxylon articulatum, Artem...
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