Results 61 to 70 of about 9,181 (252)
In the Non-Black Earth Region of the Russian Federation, for more than 14 years, a database of long-term observations of the state of springs has been created as the most valuable element of the unique landscapes of ecotone zones.
O. A. Soboleva +2 more
semanticscholar +1 more source
The Lena River in the Laptev Sea forms a vast delta, one of the largest in the world. The Ust-Lensky State Nature Reserve saves biodiversity on the Lena Delta territory beyond the Arctic Circle, in the zone of continuous permafrost.
S. Barinova +3 more
semanticscholar +1 more source
Use of Microbial Biofilms to Assess Groundwater Quality in Karstic Ecosystems
Analyses of prokaryotic diversity and community structures of biofilms showed variations linked to the nutrient and organic matter conditions in the studied karstic stations. Biofilms developed on artificial substrates appeared as promising indicators to assess groundwater quality in karst.
Lina Fabre +7 more
wiley +1 more source
DNA metabarcoding of freshwater communities typically relies on PCR amplification of a fragment of the mitochondrial cytochrome c oxidase I (COI) gene with degenerate primers.
Florian Leese +5 more
doaj +1 more source
Introduction. To restore and preserve the optimal ecological status of the Western Bug river basin, it is necessary to adhere to the strategic principles of environmental management, and since the river is transboundary and tributary basins are located ...
Alla Nekos +4 more
doaj +1 more source
Dwarf shrubs as bioindicators. [PDF]
Several studies of air polluted forest environments have shown that dwarf shrubs suffer from air pollution. In many cases the disturbances have been attributed to the susceptibility of the dwarf shrubs, while in some cases the vegetational competition factor has been discussed.
Mikkonen, Hilkka, Huttunen, Satu
openaire +2 more sources
Bioindicators and environmental protection [PDF]
The plants capable to occlude the maximum quantity of the heavy metals (HM) from soil solution are studied. Plants - indicators of accumulation of heavy metals are allocated, the new directions on decrease in toxicity of the soil are offered. For the purpose of studying of sorption abilities of bean herbs studied accumulation of heavy metals on phases ...
Khanieva I.M. +4 more
openaire +2 more sources
Abstract The benthic diatom species Achnanthidium minutissimum belongs to a species complex with a challenging taxonomy. Achnanthidium minutissimum has been reported to be a widespread and abundant species occurring in a broad range of freshwater habitats. However, differentiating and delimiting it from other Achnanthidium species is challenging due to
Mimoza Dani +10 more
wiley +1 more source
The richness, composition, abundance, and correlation with the atmospheric oxide concentrations of the community of corticolous lichens in the urban and peri-urban areas of the city of Ibagué (Colombia) were evaluated, selecting 25 individuals of the ...
Miguel Moreno-Palacios +6 more
semanticscholar +1 more source
Abstract This article reviews the pathological changes in the enamel of permanent mandibular cheek teeth and their sequelae in European roe deer from regions polluted by anthropogenic fluoride emissions. The primary (developmental) changes of fluorotic roe deer enamel are hypomineralization and microstructural aberrations, including enamel hypoplasia ...
Uwe Kierdorf, Horst Kierdorf
wiley +1 more source

