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Agriculture

Agriculture : Aquaculture and Fisheries
Evaluating the Effectiveness of Fish Stock Rebuilding Plans in the United States

In the United States (U.S.), the Fishery Conservation and Management Act of 1976, now known as the Magnuson-Stevens Fishery Conservation and Management Act (MSFCMA), was the first major legislation to regulate federal fisheries in the U.S. Fishery Conservation Zone (later ...

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Nutrient Requirements of Fish and Shrimp

Aquaculture now supplies half of the seafood and fisheries products consumed worldwide and is gaining international significance as a source of food and income. Future demands for seafood and fisheries products can only be met by expanded aquaculture production. Such ...

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Ecosystem Concepts for Sustainable Bivalve Mariculture

U.S. mariculture production of bivalve molluscs-those cultivated in the marine environment-has roughly doubled over the last 25 years. Although mariculture operations may expand the production of seafood without additional exploitation of wild populations, they still depend upon and affect natural ...

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Shellfish Mariculture in Drakes Estero, Point Reyes National Seashore, California

When Drakes Estero, which lies within the Point Reyes National Seashore (PRNS) about 25 miles northwest of San Francisco, California, was designated by Congress in 1976 as Potential Wilderness, it contained a commercial shellfish  mariculture operation. Oyster mariculture began in ...

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Hydrology, Ecology, and Fishes of the Klamath River Basin

The Klamath River basin, which spans parts of southern Oregon and northern California, has been the focus of a prominent conflict over competing uses for water. Management actions to protect threatened and endangered fish species in the basin have left ...

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Review of Recreational Fisheries Survey Methods

Recreational fishing in the United States is an important social and economic component of many marine fisheries, with an estimated 14 million anglers making almost 82 million fishing trips in 2004. Although each individual angler typically harvests a small number of ...

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Dynamic Changes in Marine Ecosystems: Fishing, Food Webs, and Future Options

Recent scientific literature has raised many concerns about whether fisheries have caused more extensive changes to marine populations and ecosystems than previously realized or predicted. In many cases, stocks have been exploited far beyond management targets, and new analyses indicate ...

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Cooperative Research in the National Marine Fisheries Service

In recent years there has been growing interest in having fisheries stakeholders involved in various aspects of fisheries data collection and experimentation. This activity is generally known as cooperative research and may take many forms, including gear technology studies, bycatch avoidance studies, and ...

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The Science of Instream Flows: A Review of the Texas Instream Flow Program

Across the United States, municipalities, counties, and states grapple with issues of ensuring adequate amounts of water in times of high demand and low supply. Instream flow programs aim to balance ecosystem requirements and human uses of water, and ...

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Final Comments on the Science Plan for the North Pacific Research Board

The North Pacific Research Board (NPRB) was established by Congress in 1997 to recommend marine research activities to the Secretary of Commerce on or relating to the fisheries or marine ecosystem in the North Pacific Ocean, Bering Sea, Arctic Ocean, ...

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