Уточнить поиск
Результаты 331-340 из 347
Analysis of incidence of extraordinary sums of precipitation at the Bily Kriz station [the Moravian-Silesian Beskids Mts., Czech Republic] in 1997
1998
Roznovsky, J. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic))
The growth of Calamagrostis villosa at different localities in the Moravian-Silesian Beskids Mts. [Czech Republic]
1998
Holub, P. (Akademie Ved, Brno (Czech Republic). Ustav Ekologie Krajiny) | Pande, K.
Use of epicuticular waxes changes for detection of latent forest decline
1998
Bednarova, E. (Mendelova Zemedelska a Lesnicka Univ., Brno (Czech Republic). Ustav Ekologie Lesa)
The aim of this study was to obtain data for elaboration of methods that would be suitable for detection of assimilative apparatus damage, if the damage is still in its latent phase. The needles are covered with epicuticular waxes, which have a protective function, but are also damaged by air pollution first.
Показать больше [+] Меньше [-]Low temperature spectroscopic studies and ab-initio calculations of BrOBr and BrBrO Полный текст
1998
Kölm, J. | Schrems, Otto | Beichert, P.
Causes and consequences of mangrove deforestation in the Volta Estuary, Ghana: some recommendations for ecosystem rehabilitation.
1998
Rubin, J. A | Gordon, C. | Amatekpor, J. K.
The damming of the Volta River has resulted in reduced flooding and an increase in mangrove cutting, accompanied by the virtual collapse of agriculture and fishing in the estuary. Another ecological consequence of the reduced level of flooding has been reduced dispersal of seedlings of the principal mangrove, Rhizophora racemosa. Therefore, after cutting of this species, recolonization is either by conspecifics growing at very high densities or by one of a number of weed species, particularly Typha domingensis, Acrostichum aureum, Paspalum vaginatum, Cyperus articulatus, Sesuvium portulacastrum and Philoxerus vermicularis. Environmental data collected in the vicinity of the mangroves and each of the weed species have enabled suggestions to be made as to whether R. racemosa or Avicennia africana would be the more suitable mangrove to replant. Recommendations have also been made to introduce the palm Nypa fruticans to the area, together with the development of nature-based tourism, both of which would provide alternative means of income generation, thereby reducing the need to cut remaining mangroves.
Показать больше [+] Меньше [-]Drinking water supply and agricultural pollution
1998
Schrama, Geerten J. I.
Water pollution risks of methyl tertiary butyl ether (MTBE)
1998
Response of plant metabolism to air pollution and global change - impact on agriculture Полный текст
1998
Schnug, Ewald
Toxicity, uptake and metabolism of 4-n-nonylphenol in root cultures and intact plants under septic and aseptic conditions Полный текст
1998
Bokern, Maria | Raid, Petra | Harms, Hans
PLATIN (Plant-Atmosphere Interaction) II: co-occurence of high ambient ozone concentrations and factors limiting plant absorbed dose Полный текст
1998
Grünhage, Ludger | Jäger, Hans-Jürgen | Haenel, Hans-Dieter | Hanewald, Klaus | Krupa, Sagar V.
