نتایج جستجو برای: benthic community structure

تعداد نتایج: 1903817  

2017
Heidi L. Burdett

One fifth of Mediterranean waters can be classified as shelf—much higher than the global average. Consequently, the shelf/coastal zone plays a proportionally greater biogeochemical role than in the major oceans, including the support of a wide range of range of endemic or culturally important species and ecosystems. However, despite their known importance in regulating ecosystem function and th...

Journal: :Journal of the Marine Biological Association of the United Kingdom 1991

2005
G. Carleton Ray Jerry McCormick-Ray Peter Berg Howard E. Epstein

The dependency of walruses on sea ice as habitat, the extent of their feeding, their benthic bioturbation and consequent nutrient flux suggest that walruses play a major ecological role in Beringia. This suggestion is supported by several lines of evidence, accumulated during more than three decades of enquiry and leading to the hypothesis that positive feedbacks of walrus feeding strongly infl...

Journal: :Water research 2012
Julien Cornut Hugues Clivot Eric Chauvet Arnaud Elger Christophe Pagnout François Guérold

Anthropogenic acidification has deleterious effects on both structure and functioning of surface water ecosystems. This study examined how it may affect the leaf decomposition rate and the community structure and activity of decomposers in both benthic and hyporheic zones of five headwater streams along an acidification gradient from highly acidic (pH 4.6) to circumneutral (pH 7.4). Overall, re...

2018
Jian Yang Hongchen Jiang Wen Liu Beichen Wang

Citation: Yang J, Jiang H, Liu W and Wang B (2018) Benthic Algal Community Structures and Their Response to Geographic Distance and Environmental Variables in the Qinghai-Tibetan Lakes With Different Salinity. Front. Microbiol. 9:578. doi: 10.3389/fmicb.2018.00578 Benthic Algal Community Structures and Their Response to Geographic Distance and Environmental Variables in the Qinghai-Tibetan Lake...

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