خيارات البحث
النتائج 1 - 7 من 7
The environmental situation in Baltic countries and their environmental management strategy.
1994
Kairiukstis L.
Changes in forest ecosystems under the influence of alkalizing the environment pollutants
2002
Armolaitis, K. | Stakenas, V. | Raguotis, A. (Lithuanian Forest Research Institute, Kaunas (Lithuania))
The alkalinization has a positive influence on soil microflora abundance. The number of ammonifiers nearby the plant is greater by 2-4 times than in relatively unpolluted soils of the same type, while the amount of denitrifiers and anaerobic nitrogen-fixing microorganisms even by 20-50 times. Alkalinization has induced biological soil activity. The data obtained are compared with the data of analogous studies conducted on forest ecosystems affected by acidifying pollutants
اظهر المزيد [+] اقل [-]The changes of Scots pine (Pinus sylvestris L.) tree stem and crown increment under decreased environmental pollution
2002
Augustaitis, A. | Juknys, R. | Kliucius, E. | Augustaitiene, I. (Lithuanian University of Agriculture, Kaunas (Lithuania). Faculty of Forest)
The main objective of this paper is to analyse regeneration regularities of damaged trees during the period of decreased environmental pollution load. Investigations concentrated on Scots pine tree height and radial increment, branch length increment, amount of branches on the verticil and needle and whole crown mass. Model trees were selected in 3 stands located on 3.5, 10 and 21 km from the plant according to their development classes and condition
اظهر المزيد [+] اقل [-]Better together? Discussion paper on common Nordic-Baltic energy infrastructure and policy issues from an environmentalist's view
1996
Lundberg, F.
Abundance of epiphytic microflora of Scots pine stands in polluted areas
1999
Ragoutis, A. | Armolaitis, K. (Lithuanian Forest Inst., Kaunas (Lithuania))
Critical loads for sulphur and nitrogen and their exceedences in Lithuanian forest ecosystems
1999
Sopauskiene, D. | Juozaitis, A. (Vilnius Univ. (Lithuania))
