Scientific Review of Definitions of Overfishing in U.S. Fishery Management Plans

Contents: ii. executive summary, 1. introduction, 2. background: overfishing and revised 50 CFR part 602 guidelines, 6. section II: general issues in the development of overfishing; definitions, 6. scientific principles of defining overfishing, 14. basing definitions on fishing mortality rate and /or stock biomass, 18. target versus threshold reference points, 19. the role of life history characteristics, 24. the role of uncertainty, 27. linkage to management actions, 29. section III: summary of review panel findings, 29. approaches to defining overfishing in U.S. FMP's, 29. evaluation of the overfishing definitions, 34. table 1: primary stock evaluations, 37. table 2: secondary stock evaluations, 42. conclusions and recommendations, 43. references, 46. section IV: findings for specific definitions, 46. management unit - east coast american lobster, 50. management unit - mid atlantic squid, 54. management unit - atlantic sea scallops, 67. management unit - atlqntic sujurf clams and ocean quahogs, 71. management unit - northwest atlantic mackerel, 74. management unit - mid atlantic summer flounder, 78. management unit - new england groundfish, 103. management unit - south atlantic snapper grouper and feef fish, 110. management unit - caribbean reef fish, 113. management unit - caribbean spiny lobster, 116. management unit - Gulf of Mexico, shrimp, 120. management unit - gulf of mexico reef fish, 125. management unit - gulf of mexico coastal migratory pelagics, 130. gulf of mexico and south atalantic spiny lobster, 134. management unit - pacific coast groundfish, 152. management unit - northern anchovy, 156. management unit - ocean salmon, 163. management unit - western pacific crustaceqans, 166. management unit - bottomfish and seamount groundfish, 172. management unit - bering sea and aleutian island s groundfish, 181. management unit - gulf of alaska groundfish, 186. management unit - bering sea/aleutian islands crab, 191. management unit - alaska salmon, 194. atlantic bluefish, 195. management unit - mid atlantic butterfish, 197. management unit - gulf of mexico and south atlantic corals, 198. management unit - western pacific corals, 200. management unit - pelagic species of the western pacific, 202. appendix I. list of review panel members and affiliations, 203. appendix 2: glossary of acronyms and technical terms