Results 261 to 270 of about 689,143 (298)

Sustaining America's Aquatic Biodiversity. What is Aquatic Biodiversity; Why Is it Important?

2015
Part of a 12 part series on sustaining aquatic biodiversity in America.
Helfrich, Louis A., Neves, Richard J., Parkhurst, James A.   +2 more
openaire   +1 more source

Collapse of Biodiversity in the Aquatic Environment

2020
Extermination of aquatic life is caused by a wide range of anthropogenic impacts, including overfishing, pollution, river damming, warming of the aquatic environment, aquaculture, decline in phytoplankton, eutrophication, deoxygenation, acidification, and the death and destruction of corals.
openaire   +1 more source

Biodiversity of Ethiopian aquatic ecosystems

Вестник Российской академии наук
For 40 years, Russian scientists have investigated the biodiversity of the aquatic ecosystems of the Ethiopian Highlands (Ethiopia), a unique hydrological and hydrobiological region. The expeditions took place in all six main river basins of Ethiopia, which made it possible to describe the species composition and distribution of fish and other aquatic ...
A. S. Golubtsov, B. A. Levin, A. N. Neretina, A. A. Kotov, V. V. Mina, Yu. Yu. Dgebuadze   +5 more
openaire   +1 more source

Biodiversity and aquatic food webs

2005
Abstract Biodiversity in freshwater food webs can be considered in terms of the number of species occupying unique trophic positions or the number of species within a trophic position. Either can affect energy flow or biomass partitioning, and the two aspects of diversity may feed back on one another. This chapter analyses the importance
Helmut Hillebrand, Jonathan B. Shurin
openaire   +1 more source

Conservation of aquatic biodiversity

2001
Uganda is rich in aquatic resources. Up to 17 % of the country's surface area is covered by Aquatic systems comprising five major lakes; Victoria, Albert, Kyoga, Edward, George, about 160 minor lakes, an extensive river and stream system, dams and ponds.
Mbabazi, D., Ndawula, L.M., Namulemo, G.
openaire   +1 more source

Sustaining America's Aquatic Biodiversity. Salamander Biodiversity and Conservation

2015
Provides a description of the structure and appearance of salamanders, how they live and reproduce, how to capture and observe them, why they are of importance, and threats to their survival; document also includes web links to more information.
Bishop, David, Haas, Carola A.
openaire   +2 more sources

Sustaining America's Aquatic Biodiversity. Salamander biodiversity and conservation [PDF]

, 2020
Revised
Bishop, David, Hass, Carola
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Sustaining America's aquatic biodiversity. Aquatic insect biodiversity and conservation

2015
Discussion of aquatic biodiversity and conservation of aquatic ...
openaire   +2 more sources

Sustaining America's Aquatic Biodiversity. Freshwater Mussel Biodiversity and Conservation

2015
Provides a description of the structure and appearance of freshwater mussels, how they live and reproduce, their distribution and diversity, why they are of importance, threats to their survival, and measures that can be taken to mitigate threats; document also includes web links to more information.
Helfrich, Louis A., Neves, Richard J., Chapman, Hilary   +2 more
openaire   +2 more sources

Sustaining America's Aquatic Biodiversity - Crayfish Biodiversity and Conservation [PDF]

, 2020
NP
Helfrich, Louis A., Prysby, Michelle D.
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