Inducing Flow Velocities to Manage Fish Reproduction in Regulated Rivers
نویسندگان
چکیده
منابع مشابه
Fish Larvae and the Management of Regulated Rivers
Alterations to the natural hydrologic regime in regulated rivers can disrupt cues that initiate the maturation and spawning of riverine fish, or they can change the conditions which are suitable for the recruitment of larvae into juvenile populations. Observations of fish larvae have the potential to provide insights into the effects of flow regulation, showing whether it has had a greater impa...
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1. From measurements at several weir pool sites along the turbid and freshwater BarwonDarling River, Australia, the development of persistent stratification (for periods of >5 days) was related to river discharge. For the sites examined, the required discharge to allow the development of persistent stratification was between 100 and 450 ML day during the hotter months. High discharge during the...
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Hydroelectric dams and weirs often represent barriers for a wide range of migratory fish species and may cause population fragmentation (Jungwirth 1998; Lucas & Baras 2001; Heggenes & Roed 2006). In general, the migratory system of diadromous fishes requires both upand downstream migrations during the life cycle. Anadromous and potamodromous fish, such as Atlantic salmon, Salmo salar L., brown ...
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A novel algorithm for obtaining flow velocity vectors using ART2 networks (based on adaptive resonance theory) is presented. The method involves tracking the movement of groups of seeding particles in a fluid space through the analysis of two successive images. Simulated flows, created artificially by shifting the particles through known distances or rotating through known angles, were used to ...
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Over the last century the reproduction of sturgeon has been intensively studied par Russian scientists who established a technology for the ranching of alevins which included artificial fertilization of gametes taken from wild broodfish and larvae rearing. More recently, since 1970, major contributions originated from teams in the USA, the EU, Japan and Iran. A rather good knowledge of the repr...
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ژورنال
عنوان ژورنال: Engineering
سال: 2021
ISSN: 2095-8099
DOI: 10.1016/j.eng.2020.06.013