- Industrie: Government
- Number of terms: 30456
- Number of blossaries: 0
- Company Profile:
NOAA Coral Reef Conservation Program, National Oceanic and Atmospheric Administration, U.S. Department of Commerce
Nets characterized by the use of a purse line at the bottom of the net. The purse line enables the net to be closed like a purse and thus retain all the fish caught. The purse seines, which may be very large, are operated by one or two boats. The most usual case is a purse seine operated by a single boat, with or without an auxiliary skiff.
Industry:Fishing
Nets that are usually set from a boat, and can be operated either from the shore (beach seines) or from the boat itself (e.g. purse seines). The manner of capture is to surround an area of water with a very long net, with or without a bag at the center. The net is usually operated by two ropes fixed to its ends, used both for hauling it in and for herding the fish.
Industry:Fishing
Remote sensing imagery gathered by earth-orbiting satellites (e.g. Landsat). Images are in specific wavebands (visible, infrared, etc. ), which may be combined for purposes of interpretation.
Industry:Fishing
The separation of the water column into layers, with the densest at the bottom and the lease dense at the surface, typically caused by temperature and/or salinity. A stratified water column is said to be stable.
Industry:Fishing
Management instruments used to control the time and place as well as type and/or amount of fishing with the view to limit yields and fishing mortality; for example, restrictions on type and quantity of gear, effort, and capacity; closed seasons.
Industry:Fishing
Transplanted species. Any species intentionally or accidentally transported and released by humans into an environment inside its present range. Also referred to as a "Transfer. "
Industry:Fishing
The overall survey design refers to the definitions and the established methods and procedures concerning all phases needed for conducting the survey: the sample design, the selection and training of personnel, the logistics involved in the management of the field force, the distribution and receipt of survey questionnaires and forms, and the procedures for data collection, processing and analysis.
Industry:Fishing
Protein paste derived from processing raw fish, primarily Alaska (walleye) pollock and Pacific whiting (hake). Surimi can be combined with flavoring agents and other substances and extruded to create marketable foodstuffs (e.g. imitation crab meat).
Industry:Fishing
This is the total amount of profit that could be earned from a fishery if an individual owned it. An open-entry policy usually results in participation by so many fishermen that profits higher than opportunity cost (economic rent) are driven to zero.
Industry:Fishing
