The Kpong Headpond was the second created on the Volta River after Akosombo Dam, primarily as a source of hydroelectric power generation and potable water supply, and additionally, it has supported some fish production in Ghana since impoundment. The changes in fish community of the Kpong Headpond were studied to provide baseline information for strategies formulation to support the socio-econo...

Six species of sea turtles occur in the Pacific Ocean (green turtles, loggerheads, leatherbacks, hawksbills, olive ridleys and flatbacks). All species, except flatbacks, have transboundary distributions. The status of most sea turtle stocks in the Pacific Ocean is poorly understood. Some stocks are increasing, such as in eastern Australia and Hawaii. However, there is evidence that many stocks ...

SUMMARY: We, NMFS, issue the final False Killer Whale Take Reduction Plan (FKWTRP), and regulatory measures and non-regulatory measures and recommendations to reduce mortalities and serious injuries of false killer whales in Hawaii-based longline fisheries. Regulatory measures include gear requirements, longline prohibited areas, training and certification in marine mammal handling and release,...

The interspecific preferences of fishes for different depths and habitats suggest fishers could avoid unwanted catches of some species while still effectively targeting other species. In pelagic longline fisheries, albacore (Thunnus alalunga) are often caught in relatively cooler, deeper water (>100 m) than many species of conservation concern (e.g., sea turtles, billfishes, and some sharks) th...

Blue marlin (Makaira nigricans) sup(MSY) and that current harvests are port commercial and recreational more than twice the replacement yield, fisheries throughout the tropical and further contributing to the decline of subtropical waters of the Atlantic the stock (ICCAT, 2001). A reduction in Ocean. The species is taken in directed fishing mortality of approximately 60% recreational and artisa...

In this study, we show how a novel self-adjusting, semi-pelagic otter board have high hydrodynamic efficiency and reduce seabed contact. The boards two adjustable flaps, which are controlled by on-board altimeters actuators, modifying their lift drag altering position in the water column. actuators governed Proportional Integral Derivative feedback system, uses altimeter data to maintain at pre...

The U.S. Atlantic coastal pelagic longline fishery that targets tunas and swordfish also interacts with a wide range of non-target species ncluding billfishes and sea turtles. Preliminary studies indicate that a change in terminal gear from J-style hooks to circle hooks may reduce ycatch mortality, but the effects of this change on catch rates of target species are unclear. To evaluate this, we...