Marine pelagic ecosystems present fascinating opportunities for ecological investigation but
pose important methodological challenges for sampling. Active acoustic techniques involve …

Ecosystem-based management (EBM) requires more extensive information than single-
species management. Active underwater acoustic methods provide a means of collecting a …

Living resources of the sea and fresh water have long been an important source of food and
economic activity. With fish stocks continuing to be over-exploited, there is a clear focus on …

The current high demand for fish and increased awareness of the role of the environment in
supporting human well being has led to a situation where attitudes to inland water resources …

Within the twilight of the oceanic mesopelagic realm, 200–1000 m below sea level, are
potentially vast resources of fish. Collectively, these mesopelagic fishes are the most …

Abstract Trenkel, VM, Mazauric, V., and Berger, L. 2008. The new fisheries multibeam
echosounder ME70: description and expected contribution to fisheries research.–ICES …

Autonomous underwater vehicles (AUVs) are unmanned submersibles that can be pre-
programmed to navigate in three dimensions under water. The technological advances …

Mesoscale eddies shape the foraging ecology of predators such as marine mammals and
seabirds. A growing number of animal tracking studies show that predators alter their …

Possessing the world's largest Exclusive Economic Zone (EEZ), the United States enjoys the
benefits of a multi-billion dollar commercial fishing industry. Along with these benefits comes …

Biomass of the schooling fish Rastrineobola argentea (dagaa) is presently estimated in Lake
Victoria by acoustic survey following the simple “rule” that dagaa is the source of most echo …