Results 111 to 120 of about 6,405 (218)

Caribbean Bomolochidae (Copepoda: Cyclopoida)

open access: yes, 1969
The material on which the present report is principally based, was collected by Dr. J. H. STOCK, Zoological Museum of the University, Amsterdam, in Piscadera Bay, Curaçao, in 1958 and 1959, and kindly placed at my disposal some time ago. In the course of my study of this highly interesting material it became necessary to redescribe some of C. B. WILSON’
openaire   +1 more source

CARACTERÍSTICAS FÍSICAS, QUÍMICAS E BIOLÓGICAS (ZOOPLÂNCTON) DA ÁGUA QUE ABASTECE A ESTAÇÃO DE PISCICUTURA DA UNIVERSIDADE FEDERAL DE LAVRAS - MG

open access: yesBoletim do Instituto de Pesca, 2018
O presente estudo foi realizado em um pequeno canal que fornece água para a Estação de Piscicultura da Universidade Federal de Lavras (21°14'S e 45°00'W).
Giovani Guimarães LANDA   +1 more
doaj  

A Study of using Mesocyclops hyalinus and Cyclops agilis as A biological Control of Anophles larvae

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
The fresh water ecosystem constitute an essential and very important for human life, for this reason it should be kept away from all the chemical pollutants including the pesticides The best way for Fighting harmful insects.(such as Anophles larvae) is ...
N. L. N. L. AI- Doori
doaj  

Acute Effective of Chromiume on the Simocephalus expinosus and Mesocyclops hyalinus

open access: yesIbn Al-Haitham Journal for Pure and Applied Sciences, 2017
          The effect of acute toxicity of chromium as (k2Cro4) on Simocephalus  expinosus (cladocera) and Mesocyclops hyalinus (cyclopoida) was studied in the present study .Both species can be used as asutible biological indecaters.
N.L. Al-Doori, S.F. Bassat
doaj  

The parasitic crustaceans of fishes from the Brazilian Amazon. 12. Ergasilus hydrolycus n.sp. (Copepoda: Poecilostomatoida) from Hydrolycus scomberoides (CUVIER)

open access: yes, 1984
The female of Ergasilus hydrolycus n. sp. is described from specimens taken from the gills of an Amazonian fish, Hydrolycus scomberoides (CUVIER). The new species is similar to E. bryconis THATCHER, 1981, and to E. jaraquensis THATCHER & ROBERTSON, 1982,
Boeger, W., Robertson, B., Thatcher, V.
core  

About the relationship between the zooplankton and fluctuating water levels of Lago Camaleão, a Central Amazonian várzea lake

open access: yes, 1984
A two-year study of the composition and abundance of the zooplankton was conducted in an Amazonian vãrzea lake, Lago Camaleão. Rotifers were dominant in terms of both species numbers and density.
Hardy, E., Koste, W., Robertson, B.
core  

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