Results 121 to 130 of about 21,035 (280)

Some studies on Cladocera: Moina affinis Birge [PDF]

open access: yes, 1966
Cladocera of Phyllopoda is very common and widely distributed in freshwater and there are more species of Cladocera than Copepoda. In Vietnam also, many kind of species of Cladocera were found by the authors. Since long time, Cladocera is known like one
Shirota, A., Tran, Ðinh An
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Diel vertical migration strategies of zooplankton in oligotrophic Russell Pond, New Hampshire [PDF]

open access: yes, 2014
Russell Pond is an ultra-oligotrophic lake with low chlorophyll a (1.9 mg L-1), total phosphorus (3.4 mg L-1), high Secchi Disk (10.4 m) and high light transmission (water coefficient of water, kw=0.33). Vertical migration of Chaoborus, Bosmina, Daphnia,
Dobe, Kelsey Ann
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Depression Periods in Cladocera

open access: yesExperimental Biology and Medicine, 1932
For more than 3 years the writer has been interested in the periodic depressions that so frequently occur in stock cultures of Cladocera reared in manure infusions. Such periods have been reported by Warren,1 Hartman,2 and Allee.3 Stuart, Cooper and Coady4 believed that no one environmental factor was responsible for their occurrence and suggested ...
openaire   +1 more source

The Effects of Grass Carp on Aquatic Plants, Plankton and Benthos in Ponds [PDF]

open access: yes, 2004
The effects of the grass carp (Ctenopharyngodon idella Val.)on aquatic plant biomass, water quality, phytoplankton, chlorophyll a, zooplankton and benthic fauna were investigated between May and September 2000 in earthen ponds at Cifteler- Sakaryabasi
Demir, N., Kirkagac, Mine
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Migration of Net Phytoplankton and Zooplankton in Mendum’s Pond, New Hampshire [PDF]

open access: yes, 2006
The study examines the vertical distribution and migratory behavior of net phytoplankton and zooplankton of Mendum’s Pond in Barrington, N.H. The cyanobacteria, Microcystis and Aphanocapsa were the dominant net phytoplankton in this lake.
Murby, Amanda L.
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The influence of blue-green algae on development of the zooplankton. [Translation of: Byull.mosk.Obshch.Ispyt.Prir.(Biol.) 67, 128-131, 1962] [PDF]

open access: yes, 1962
Many have observed the reduction of the quantity of zooplankton in the presence of water blooms. It is known that in seas zooplankton as it were avoids places of accumulation of blue-green algae.
Manuilova, E. F.
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