خيارات البحث
النتائج 1 - 10 من 10
Global climatic changes: modelling the potential responses of agro-ecosystems with special reference to crop protection.
1995
Goudriaan J. | Zadoks J.C.
Variations in chemical composition of birch foliage under air pollution stress and their consequences for Eriocrania miners
1995
Koricheva, J. | Haukioja, E. (Laboratory of Ecological Zoology, Department of Biology, University of Turku, FIN-20500 Turku (Finland))
The effects of simulated acid rain on growth and susceptibility to predation of Phratora polaris (Col., Chrysomelidae)
1995
Palokangas, P. | Neuvonen, S. | Haapala, S. (Kevo Subarctic Research Institute, University of Turku, A777 Kevo, FIN-99800 Ivalo (Finland))
Conifer aphids in an air-polluted environment. II. Host plant quality
1993
Kainulainen, P. | Satka, H. | Mustaniemi, A. | Holopainen, J.K. | Oksanen, J. (Department of Environmental Sciences, University of Kuopio, PO Box 1627, SF-70211 Kuopio (Finland))
Nitrogen deposition in Swiss forests and its possible relevance for leaf nutrient status, parasite attacks and soil acidification
1998
Fluckiger, W. | Braun, S. (Institute for Applied Plant Biology, CH-4124 Schonenbuch (Switzerland))
Evaluation of ozone injury on foliage of black berry (Prunus serotina) and tall milkweed (Asclepias exaltata) in Great Smoky Mountains National Park
1997
Chappelka, A. | Renfro, J. | Somers, G. | Nash, B. (School of Forestry, Auburn University, Auburn, AL 36849 (USA))
Density patterns of gall mites (Acarina: Eriophyidae) in a polluted area
1996
Koricheva, J. | Lappalainen, J. | Vuorisalo, T. | Haukioja, E. (Laboratory of Ecological Zoology, Department of Biology, University of Turku, 20014, Turku, Finland)
Altered feeding preference of beech weevil Rhynchaenus fagi L. for beech foliage under ambient air pollution
1992
Hiltbrunner, E. | Fluckiger, W. (Institute for Applied Plant Biology, CH-4124 Schonenbuch (Switzerland))
The effects of ozone-exposed sugar maple seedlings on the biological performance and the feeding preference of the forest tent caterpillar (Malacosoma disstria Hbn.)
1997
Fortin, M. | Mauffette, Y. | Albert, P.J. (Groupe de Recherche en Ecologie Forestiere (GREF), Universite du Quebec a Montreal, C.P. 8888 Succ. A, Montreal, QC H3C 3P8 (Canada))
The response of spruce shoot aphid Cinara pilicornis Hartig to ambient and filtered air at two elevations and pollution climates
1994
Holopainen, J.K. | Braun, S. | Fluckiger, W. (Ecological Laboratory, Department of Environmental Sciences, University of Kuopio, PO Box 1627, SF-70211 Kuopio (Finland))