Schistosomiasis in Lake Malaŵi and the Potential Use of Indigenous Fish for Biological Control
نویسندگان
چکیده
منابع مشابه
Catch per unit efforts and impacts of gears on fish abundance in an oxbow lake ecosystem in Eastern India
Background: Oxbow lakes are abundant in indigenous fishes, but they are subject to unsustainable fishing practices, potential overexploitation, and indiscriminate use of fine-meshed fishing gear. To quantify the catch per unit effort (CPUE) and impact of fishing gears on fish abundance, a survey was carried out in an oxbow lake in eastern India. Methods: The gear-wise CPUE for fish caught in...
متن کاملTrophic status and fish production potential of Golbolagh Lake (West of Kurdistan Province)
The estimation of fish potential production and trophic status are two important and necessary parts of fisheries management in lakes. This study was conducted to determinate the trophic status and fish production potential of Golbolagh Lake, for one year from October 2013 to September 2014. Physicochemical parameters and other necessary data such as chlorophyll a, phytoplankton phylum dominanc...
متن کاملDetermining factor in habitat selection of Paracobitis iranica (Nalbant & Bianco 1998) population in Kordan River, Namak Lake Basin, Iran
Considering the fact that fish biodiversity conservation and land uses planning, require reliable information about fish distribution and habitat use patterns In order to describe species habitat properties, habitat use and habitat selectivity indices are applied. Relative frequency and environmental variables, depth, width, slope of river, altitude, velocity, substrate, Overstream canopy closu...
متن کاملThe first record of Northern pike (Esox lucius Linnaeus) in the Zrebar Lake of Marivan, Kurdistan, Iran: A preliminary observation and assessment of morphology, diet, reproduction and invasive threat
The Zrebar Lake is a most important natural freshwater Lake ecosystem in the Kurdistan Province, west of Iran. Since Decembeer 2019, there has been reports of an unusual fish species sighting in the Zrebar Lake. This has led our efforts to set traps, capture and identify the species as Esox lucius Linnaeus. Consequently, we made further, field assessments and conducted biological study in the ...
متن کاملEffect of lactic acid bacteria and the potential probiotic Hafnia alvei on growth and survival rates of narrow clawed crayfish (Astacus leptodactylus Esch., 1823) stage II juveniles
The aim of this study was to screen potential probiotic bacteria against Aeromonas hydrophila and determine the effects of antagonistic bacteria and a commercial product containing lactic acid bacteria on the survival and growth of stage II Astacus leptodactylus juveniles. For this purpose, a total of 110 bacterial strains were isolated from adult, stage II crayfish juveniles and rearing water ...
متن کامل