Results 101 to 110 of about 21,592 (280)

The Influence of Concentration Liquid Waste of Tofu Production to Daphnia SP Cultivation Biomass [PDF]

open access: yes, 2019
A natural feed of freshwater fish as long as it depends on worms tubifex is hard to be cultivated. Daphnia sp is one of the kinds of Cladocera zooplankton to be an alternative as a natural feed for seed of fish.
Kusuma, B. (Baruna)   +1 more
core  

New Records of Cladocera (Crustacea: Anomopoda) from Laguna Navío Quebrado, La Guajira Department, Colombia

open access: yesNauplius
Zooplankton plays key roles in structuring interactions in aquatic communities but often remain undescribed in many water systems. This paper reports seventeen species of the Cladocera (Crustacea: Branchiopoda) from Laguna de Navío Quebrado, all of them ...
Juan Manuel Fuentes-Reinés
doaj  

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.
core  

Distribution and abundance of Cladocera, Copepoda and impacts of alien species in the southwestern Caspian Sea during 1996-2014 [PDF]

open access: yesبوم‌شناسی آبزیان, 2019
The Caspian Sea ecosystem has been suffered from many problems since 1980s. Owing to the significance of zooplankton communities in marine ecosystems, the state of the fluctuations of Copepoda and Cladocera species and their relationship with Ctenophora ...
Siamak Bagheri, Jalil Sabkara
doaj  

Ecological optimum of ectothermic organisms: static-dynamical approach [PDF]

open access: yes, 2007
During 20th century the majority of researchers interpreted ecological optimum as a certain combination of ambient factors which is optimal for growth, existence and reproduction of an organism.
Tamara T. I. Verbitskaya   +1 more
core   +1 more source

Characteristics of the Zooplankton Community Structure in Shengjin Lake and Its Response to the Restored Aquatic Vegetation

open access: yesLimnological Review
Macrophytes taxa composition determines microinvertebrates utilized as environmental indicators in freshwater ecosystems. This study was conducted in Shengjin Lake.
Dagne Tafa Dibar   +2 more
doaj   +1 more source

Behaviour and mechanism of feeding of Lathonura rectirostris (Cladocera, Macrothricidae). [Translation from: Zoologicheskie Zhurnal 50, 1002-1010, 1971.] [PDF]

open access: yes, 1971
The behaviour in the feeding process and the functional morphology of Lathonura rectirostris O.F. Muller - one of the widely distributed species of macrothricids - is studied.
Sergeev, V.N.
core  

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