Refinar búsqueda
Resultados 1-10 de 14
The kinetics of phytoplankton and factors which affect on this
1998
Sekulic, G. (Gradjevinsko-Arhitektonski fakultet, Pristina (Yugoslavia)) | Markovic, Dj. | Djokic, V.
The kinetics of phytoplankton is complicated function of phytoplankton present and their differing reactions to solar radiation, temperature and balance between nutrient availabilities and phytoplankton requirements. Computers program for water quality problems helps users interpret and predict water quality responses to natural phenomena. But model parameters and initial condition needs hydrodynamic and hydrologic measures in long time interval, with combination of laboratory studies. Lake Gracanka (Serbia, Yugoslavia) is good example for description of the processes kinetics of phytoplankton. But, simulation model can not be used to guide future monitoring efforts without needing measuring and developing network of measuring station.
Mostrar más [+] Menos [-]Horizontal distribution of copper, nickel and enchytraeid worms in polluted soil
1999
Salminen, J. | Haimi, J. (Department of Ecological and Environmental Sciences, University of Helsinki, Niemenkatu 73, FIN-15210 Lahti (Finland))
California sea lion (Zalophus californianus) populations and SIGMA DDT contamination
1998
O'Shea, T.J. | Brownell, R.L. Jr. (US Geological Survey, Biological Resources Division, Midcontinent Ecological Science Center, 4512 McMurry Avenue, Fort Collins, Colorado 80525-3400 (USA))
Meiofauna response to the Agip Abruzzo oil spill in subtidal sediments of the Ligurian Sea
1995
Danovaro, R. | Fabiano, M. | Vincx, M. (Istituto Scienze Ambientali Marine, Universita di Genova, Corso Rainusso 14, CP79, 16038 S. Margherita L., Genova (Italy))
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)
Effect on earthworm populations of some soil insecticides in corn crop
1995
Chabert, A. (Association de Coordination Technique Agricole, Lyon (France)) | Fayolle, L.
Biochemical assessment of cellular energy allocation in Daphnia magna exposed to toxic stress as an alternative to the conventionnal "Scope for growth" methodology
1995
De Coen, W.M. (University of Ghent (Belgique). Laboratory of Biological Research in Aquatic Pollution) | Janssen, C.R. | Persoone, G.
Changes in the composition of gastropod fauna of the profile HBZ-Radozda from Lake Ohrid
2003
Budzakoska, B. | Trajanovski, S. (Hidrobioloski zavod, Ohrid (The Former Yugoslav Republic of Macedonia))
In this paper, we present the results from both quantitative and qualitative composition of the Gastropod fauna from Lake Ohrid (profile HBZ-Radozda) with their vertical distribution in littoral and sublittoral region of the lake. The results of our investigations shows some changes in biodiversity and the density of gastropod communities that settle this profile, compared with the investigations made 30 years ago.
Mostrar más [+] Menos [-]The control and contamination of vole (Microtus agrestis) on pollution clearings in the Beskids [Czech Republic]
1995
Rychnovsky, B. (Masarykova Univ., Brno (Czech Republic). Pedagogicka Fakulta)
Amphibians and reptiles communities in the forest habitats affected by air polluants
1995
Homolka, M. (Akademie Ved, Brno (Czech Republic). Ustav Ekologie Krajiny) | Kokes, J.
