V . TERMS 



666. TERMS ASSOCIATED WITH FISHERY MANAGEMENT 



The Fishery Conservation and Management Act of 1976 (FCMA) es- 

 tablishing a 200-mile protective zone for U.S. fisheries resulted in 

 an all-out effort to identify means to control fishing activities. 

 A number of terms were developed, each of which is identified by an 

 acronym or abbreviation. They are: Acceptable Biological Catch 

 (ABC), a seasonably determined catch differing from MSY due to bio- 

 logical fluctuations; Domestic Annual Fishing Capacity (DAC) , the 

 total potential capacity of the fleets modified by logistics factors; 

 Expected Domestic Annual Fishing Harvest (DAH), the annual fishing 

 capacity of the fleets, modified by external factors such as price 

 changes, which will determine estimates of what the fleet will harvest, 

 and does not exceed the optimum yield (OY); Equilibrim Yield (EY), 

 the annual or seasonal harvest which maintains the resource at approx- 

 imately the same level of abundance in succeeding years or seasons 

 and differing from MSY in that the sustained level of abundance does 

 not have to be at the maximum sustained level; Foreign Allowable Catch 

 (FAC), which is determined by deducting the Domestic Annual Expected 

 Harvest from the Optimum Yield (OY-DAH-FAC) ; Maximum Economic Yield 

 (MEY) occurs when the difference between the value of the catch and 

 the cost of fishing is at a maximum and the profit margin is at its 

 greatest; Maximum Sustainable Yield (MSY), the average over a reason- 

 able length of time of the largest catch which can be taken continu- 

 ously from a stock under current environmental conditions; Optimum 

 Yield (OY) differs from the Acceptable Biological Catch for purposes 

 of promoting economic, social, or ecological objectives as established 

 by law and public participation processes; Total Allowable Catch (TAC), 

 the limitation established for fisheries. 



Other terms are Catch Per Unit Effort (CPUE); Continental Marine 

 Recreational Fishing (MRF); and Governing International Fishing 

 Agreements (GIFA) , a term referring to agreements between the U.S. 

 and foreign governments to make surplus catches within the 200-mile 

 area available to foreign fishing vessels. 



The Inter-American Tropical Tuna Commission (lATTC) uses several 

 terms in its reports. They are Catch per Standard Day of Fishing 

 (CPSDF), Commission's Regulatory Area (CRA) and Commission's Yellow- 

 fin Regulatory Area (CYRA). 



667. TERMS ASSOCIATED WITH MARINE MAMMAL PROTECTION (MMP) 



At its founding, the International Whaling Commission (IWC) 

 established a ceiling on total catch of whales; known as the Blue 

 Whale Unit (WU) , a unit covered several species such as 1 blue whale 

 or 2 fin whales or 2 1/2 humpback, and so forth. In 1972 the BWU 

 limit was replaced by separate catch units. 



Optimum Sustainable Population, (OSP) is used to indicate the 

 number of animals needed to result in maximum productivity. 



668. TERMS ASSOCIATED WITH MARINE METEOROLOGICAL DATA 



The World Meteorological Organization (WMO) uses the term 

 Meteorological Aspects of Ocean Affairs (MAOA) when referring to the 

 interaction between meteorology and oceanography; the term Marine 

 Meteorological Services System (MMSS) when referring to the means by 

 which marine meteorological services are obtained; and the term 

 Meteorological Services to Marine Activities (MSMA) when describing 

 monitoring activities of the atmosphere were oceanic areas to provide 

 forecast and other services in support of marine activities. 



139 



