خيارات البحث
النتائج 331 - 340 من 374
Metal extractability and availability in a soil after heavy application of either nickel or lead in different forms
1997
Nogales, R. (Estacion Experimental del Zaidin CSIC, Granada (Spain).) | Gallardo-Lara, F. | Benitez, E. | Soto, J. | Hervas, D. | Polo, A.
Effects of diazinon on some population parameters of Moina macrocopa (Cladocera)
1997
Wong, C.K. (Chinese Univ. of Hong Kong, Shatin (Hong Kong). Dept. of Biology)
Pigment changes in Norway spruce induced by dust pollution
1997
Mandre, M. (Estonian Academy of Sciences, Tallinn (Estonia). Dept. of Ecophysiology) | Tuulmets, L.
Needle S fractions and S to N ratios as indices of SO(2) deposition
1997
Manninen, S. (Oulu Univ. (Finland). Dept. of Biology and Botany) | Huttunen, S. | Peraemaeki, P.
Whole-catchment liming at Tjoennstrond, Norway: an 11-year record
1997
Traaen, T.S. (Norwegian Inst. for Water Research, Oslo (Norway).) | Frogner, T. | Hindar, A. | Kleiven, E. | Lande, A. | Wright, R.F.
Soil lead levels in orchards and roadsides of mission Peninsula, Michigan
1997
Francek, M.A. (Central Michigan Univ., Mt. Pleasant, MI (USA). Dept. of Geography and Earth Science)
Principal forest dieback episodes in Northern Hardwoods: development of numeric indices of areal extent and severity
1997
Auclair, A.N.D. (Science and Policy Associates Inc., Washington, DC (USA).) | Eglinton, P.D. | Minnemeyer, S.L.
Effect of copper smelting air pollution on the mites (Acari) associated with young Scots pine forests polluted by a copper smelting works at Giogow, Poland. 1. Arboreal mites
1997
Seniczak, S. (University of Technology and Agriculture, Bydgoszcz (Poland). Dept. of Ecology) | Dabrowski, J. | Dlugosz, J.
Increased cadmium availability to crops on a sewage-sludge amended soil
1997
Tichy, R. (Institute of Landscape Ecology, Ceske Budejovice (Czech Republic).) | Nydl, V. | Kuzel, S. | Kolar, L.
Diagnosis of boron, fluorine, lead, nickel and zinc toxicity in citrus plantations in Villarreal, Spain
1997
Aucejo, A. (Valencia Univ., Burjassot (Spain). Dept. de Ingenieria Quimica) | Ferrer, J. | Gabaldon, C. | Marzal, P. | Seco, A.
