| M |
Coefficient of natural mortality |
| MAFMC |
Mid-Atlantic Fishery Management Council |
| MEY |
Maximum Economic Yield |
| MFCMA |
Magnuson Fishery Conservation and Management Act (as amended in 1980) |
| MFMT |
Maximum Fishing Mortality Threshold (cannot exceed FMSY) |
| MSA |
Magnuson Stevens Act (See also FCMA, MFCMA, MSFCMA, and SFA) |
| MSE |
Management Strategy Evaluations |
| MSFCMA |
Magnuson-Stevens Fishery Conservation and Management Act (as amended in 1996; see also FCMA, MFCMA, and SFA) |
| MSST |
Minimum Stock Size Threshold, the level of biomass at which a stock is declared to be overfished, often set at 50 percent of the BMSY (or its proxy). |
| MSY |
Maximum Sustainable Yield |
| MT |
metric tons |
| |
| NAS |
National Academy of Sciences |
| NEFMC |
New England Fishery Management Council |
| NEPA |
National Environmental Policy Act |
| NMFS |
National Marine Fisheries Service |
| NOAA |
National Oceanic and Atmospheric Administration |
| NPFMC |
North Pacific Fishery Management Council |
| NRC |
National Research Council |
| NS1G |
National Standard 1 Guidelines |
| |
| OECD |
Organisation for Economic Co-operation and Development |
| OFL |
Overfishing Limit, the biomass of catch corresponding to a catch under a FMSY harvest strategy |
| OY |
Optimum Yield |
| |
| PFMC |
Pacific Fishery Management Council |
| |
| RFMC |
Regional Fishery Management Council |
| RIR |
Regulatory Impact Review |
| |
| SAFE |
Stock Assessment and Fishery Evaluation |
| SAFMC |
South Atlantic Fishery Management Council |
| SDC |
Status Determination Criteria |
| SFA |
Sustainable Fisheries Act (1996), an amendment to the MFCMA |
| SSB |
spawning stock biomass |
| SSC |
Scientific and Statistical Committee |
| SPR |
Spawning Potential Ratio |
| SPRTARGET |
Target spawning potential ratio (equivalent to the target fishing mortality rate if the mix of fishing gears does not change over time) |
| Steepness |
Fraction of unfished recruitment expected when the stock is depleted to 20 percent of B0 |
| |
| T |
Generic reference to time |
| TMIN |
Minimum time to rebuild to BMSY (with 50 percent probability) |
| TMAX |
Maximum permissible time to rebuild to BMSY (10 years unless the biology of the species does not allow the stock to rebuild in 10 years) |
| TTARGET |
Target time for rebuilding—must lie between TMIN and TMAX |
| TAC |
Total Allowable Catch |
| |
| UNFA |
United Nations Agreement on Straddling and Highly Migratory Fish Stocks |
| USR |
Upper Stock Reference |
| |
| WPFMC |
Western Pacific Fishery Management Council |
| |
| YD |
Year a stock was declared to be overfished |