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Also in the assessment, geographical boundaries of different stocks or populations are defined. From the combined biological and fisheries data, the current status and condition of the stock is defined and managers use this assessment to predict how in the future, stocks will respond to varying levels of fishing pressure.
Traditional methods for fishery assessment can be highly destructive, such as gillnet sampling or trawling. Molecular methods offers an alternative for non-invasive sampling. For example, barcoding and metabarcoding can help identifying fish eggs to species to ensure reliable data for stock assessment, as it has proven more reliable than ...
In fisheries and conservation biology, the catch per unit effort (CPUE) is an indirect measure of the abundance of a target species. Changes in the catch per unit effort are inferred to signify changes to the target species' true abundance.
The African Journal of Marine Science is a peer-reviewed scientific journal covering all disciplines of marine science. It was established in 1983 as the South African Journal of Marine Science and obtained its current name in 2003. It is published by Taylor & Francis on behalf of the National Inquiry Services Centre (South Africa).
The African Journal of Aquatic Science is a peer-reviewed scientific journal covering research in the aquatic sciences in Africa. It was established in 1975 as Journal of the Limnological Society of Southern Africa and renamed in 1989 as the Southern African Journal of Aquatic Sciences , before obtaining its current name in 2000.
Fisheries law is an emerging and specialized area of law which includes the study and analysis of different fisheries management approaches, including seafood safety regulations and aquaculture regulations. Despite its importance, this area is rarely taught at law schools around the world, which leaves a vacuum of advocacy and research.
Fisheries management authorities who make real-time decisions about opening or closing restricted fishing areas are usually on land, and will communicate their decisions on paper, using websites or electronic mail, and by voice radio. Within a vessel monitoring system (VMS), the Fisheries Management Center (FMC) components are on land.
Baited cameras are highly effective at attracting scavengers and subsequent predators, [1] and are a non-invasive method of generating relative abundance indices for a number of marine species. [ 2 ] As a non-extractive technique, it offers a low environmental impact way of understanding changes in fish numbers and diversity over time.