[ 发表于: Pollution ]
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结果 91-100 的 368


Soil solution nitrogen and cations influenced by (NH4(2)SO4) deposition in a coniferous forest

1997

Carnol, M. | Ineson, P. | Dickinson, A.L. (University of Liege, Dept. Botany B22, Microbial Ecology and Radioecology, 4000 Liege (Belgium))

Department for Environment, Food and Rural Affairs - United Kingdom

Decomposer communities in contaminated soil: is altered community regulation a proper tool in ecological risk assessment of toxicants?

1997

Salminen, J.E. | Sulkava, P.O. (University of Jyvaskyla, Department of Biological and Environmental Science, P.O. Box 35, FIN-40351 Jyvaskyla (Finland))

Department for Environment, Food and Rural Affairs - United Kingdom

Effects of the insect growth regulator (S)-methoprene on survival and reproduction of the freshwater cladoceran Moina macrocopa

1997

Chu, K.H. | Wong, C.K. | Chiu, K.C. (Department of Biology and The Centre for Environmental Studies, The Chinese University of Hong Kong, Shatin, NT (Hong Kong))

Department for Environment, Food and Rural Affairs - United Kingdom


Air pollution status of the Bulgarian Govedartsi ecosystem

1997

Zeller, K. | Donev, E. | Bojinov, H. | Nikolov, N. (Rocky Mountain Forest and Range Experiment Station, USDA Forest Service, Ft. Collins, CO (USA))

Department for Environment, Food and Rural Affairs - United Kingdom

Differences in root uptake of radiocaesium by 30 plant taxa

1997

Broadley, M.R. | Willey, N.J. (Faculty of Applied Sciences, University of the West of England, Coldharbour Lane, Frenchay, Bristol BS16 1QY (United Kingdom))

Department for Environment, Food and Rural Affairs - United Kingdom

Anthropogenic impacts on natural nitrogen isotope variations in Pinus sylvestris stands in an industrially polluted area

1997

Jung, K. | Gebauer, G. | Gehre, M. | Hofmann, D. | Weissflog, L. | Schuurmann, G. (Department of Chemical Ecotoxicology, Centre for Environmental Research Leipzig-Halle, P.O. Box 2, D-04301 Leipzig (Germany))

Department for Environment, Food and Rural Affairs - United Kingdom


Variation in ozone sensitivity among clones of Betula pendula and Betula pubescens

1997

Paakkonen, E. | Holopainen, T. | Karenlampi, L. (Department of Ecology and Environmental Science, University of Kuopio, PO Box 1627, 70211, Kuopio (Finland))

Department for Environment, Food and Rural Affairs - United Kingdom