Results 111 to 120 of about 9,161 (273)

Protection of Rare Plants Meadow and Riverside-Water Ecological Systems of East Polissia in a Context of Complex Reseach of Flora [PDF]

open access: yes, 2012
Встановлено, що за ступенем ризику зникнення серед рідкісних видів лучних та прибережно-водних екосистем переважають критично загрожувані види. Їхньому збереженню сприяють створені в регіоні великі за площею природно-заповідні території – природний ...
Lukash, I. M.   +3 more
core  

Changes in the diversity of the mycorrhizal fungi of orchids as a function of the water supply of the habitat

open access: yesJournal of Applied Botany and Food Quality, 2012
Studies were made on the symbiotic associations of orchids in four habitats with diverse water regimes in order to determine whether there was any difference in the diversity of the symbiotic fungi of orchids in the various habitats.
Z. Illyés   +5 more
doaj  

Biodiversity as an index of regime shift in the eastern Bering Sea [PDF]

open access: yes, 2006
Data collected from an annual groundf ish survey of the eastern Bering Sea shelf from 1975 to 2002 were used to estimate biomass and biodiversity indexes for two fish guilds: f latfish and roundfish.
Hoff, Gerald R.
core  

Identifying risk factors for the rare, endangered fen orchid Liparis loeselii in NE Germany with a fresh approach

open access: yesBasic and Applied Ecology
Fen mires are one of the most threatened habitats in Central Europe and harbor numerous specialized plant species. One of these species is the fen orchid Liparis loeselii, which is threatened and declining in most European inland fens.
Kai Hobritz   +2 more
doaj   +1 more source

The mysid-feeding guild of demersal fishes in the brackish zone of the Westerschelde estuary [PDF]

open access: yes, 2003
The demersal fish fauna of the mesohaline zone of the Westerschelde estuary (south-west Netherlands) was sampled intensively in the period 1990-1992.
Hostens, K., Mees, J.
core  

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