{"id":2707,"date":"2015-11-25T22:06:36","date_gmt":"2015-11-25T22:06:36","guid":{"rendered":"http:\/\/www.mmc.gov\/?page_id=2707"},"modified":"2022-05-06T11:22:40","modified_gmt":"2022-05-06T15:22:40","slug":"mmpa-provisions-for-managing-fisheries-interactions-with-marine-mammals","status":"publish","type":"page","link":"https:\/\/www.mmc.gov\/priority-topics\/fisheries-interactions-with-marine-mammals\/mmpa-provisions-for-managing-fisheries-interactions-with-marine-mammals\/","title":{"rendered":"MMPA Provisions for Managing Fisheries Interactions with Marine Mammals"},"content":{"rendered":"<p>In 1994, the <a href=\"http:\/\/www.mmc.gov\/about-the-commission\/our-mission\/marine-mammal-protection-act\/\">Marine Mammal Protection Act (MMPA)<\/a> was amended to establish a system for assessing the status of marine mammal stocks in U.S. waters and reducing their incidental take in commercial fisheries. Those amendments provide the current basis for managing interactions between fisheries and marine mammals.\u00a0 They require the National Marine Fisheries Service (NMFS) and the U.S. Fish and Wildlife Service (FWS) to:<\/p>\n<figure class=\"graphic alignright\" data-modal=\"photo\"><img loading=\"lazy\" class=\"size-full wp-image-2713\" src=\"http:\/\/www.mmc.gov\/wp-content\/uploads\/humpback-entanglement-1.jpg\" alt=\"A humpback whale entangled in fishing gear image\" width=\"960\" height=\"640\" srcset=\"https:\/\/www.mmc.gov\/wp-content\/uploads\/humpback-entanglement-1.jpg 960w, https:\/\/www.mmc.gov\/wp-content\/uploads\/humpback-entanglement-1-300x200.jpg 300w\" sizes=\"(max-width: 960px) 100vw, 960px\" \/><figcaption><p>A humpback whale entangled in fishing gear. Photo\u00a0taken under NOAA MMHSRP permit #932-1905. (NOAA)<\/p><\/figcaption><\/figure>\n<ul>\n<li>assess the status of all marine mammal stocks in U.S. waters,<\/li>\n<li>monitor the incidental take of marine mammals by commercial fishing operations,<\/li>\n<li>classify fisheries based on their relative level of incidental take, and<\/li>\n<li>implement fishery management measures or take reduction plans to address situations where incidental take is not sustainable.<\/li>\n<\/ul>\n<p>NMFS is responsible for the protection and management of all whales, dolphins, and pinnipeds (except walruses) while the FWS is responsible for manatees, sea otters, walruses, and polar bears.<\/p>\n<h2 class=\"heading-two\" class=\"heading-two\" id=\"marine-mammal-stock-assessments\">Marine Mammal Stock Assessments<\/h2>\n<p><a href=\"http:\/\/www.mmc.gov\/about-the-commission\/our-mission\/marine-mammal-protection-act#=title-i-conservation-and-protection-of-marine-mammals\">Section 117 of the MMPA<\/a> requires NMFS and FWS to prepare and periodically update marine mammal <a href=\"https:\/\/www.fisheries.noaa.gov\/national\/marine-mammal-protection\/marine-mammal-stock-assessments\">stock assessment reports<\/a> for each stock occurring in U.S. waters under their respective jurisdictions. Each stock assessment report is to describe the geographic range of the stock and estimates of its minimum population size, population trend, current and maximum net productivity rates, and potential biological removal level. The potential biological removal (PBR) level is an estimate of the number of individuals that could be taken as a result of human activities while still allowing the stock to recover to or remain within the envelope of its optimum sustainable population size. PBR is calculated from a stock\u2019s minimum population estimate, maximum net productivity rate, and a recovery factor that is designed to provide additional protection based on the relative status of the stock under consideration and account for uncertainties other than those associated with the abundance estimate.\u00a0 Stock assessment reports also are required to describe for each stock the commercial fisheries it interacts with and the total number of mortalities and serious injuries to marine mammals caused by human activities. Finally, each report must categorize the stock as either \u2018strategic\u2019 or \u2018not strategic.\u2019 Stocks that are listed as \u2018threatened\u2019 or \u2018endangered\u2019 under the <a href=\"http:\/\/www.mmc.gov\/about-the-commission\/our-mission\/endangered-species-act-and-other-legislation-and-agreements\/\">Endangered Species Act (ESA)<\/a>, or \u2018depleted\u2019 under the MMPA, are considered to be \u2018strategic\u2019 by default. Other stocks are categorized as \u2018strategic\u2019 if estimates of human-caused mortality and serious injury for the stock exceed its PBR level.\u00a0Comments submitted by the Commission on NMFS Stock Assessment Reports are listed below (see \u201cLearn More\u201d section).<\/p>\n<h2 class=\"heading-two\" class=\"heading-two\" id=\"list-of-fisheries\">List of Fisheries<\/h2>\n<p><a href=\"http:\/\/www.mmc.gov\/about-the-commission\/our-mission\/marine-mammal-protection-act#=title-i-conservation-and-protection-of-marine-mammals\">Section 118 of the MMPA<\/a> requires NMFS to classify each U.S. fishery into one of three categories according to the frequency with which the fishery incidentally kills or seriously injures\u00a0(referred to here as \u2018takes\u2019) marine mammals relative to the PBR level of each of the marine mammal stocks with which the fishery interacts:<\/p>\n<ul>\n<li>Category I fisheries include those that take marine mammals <em>frequently<\/em> (i.e., at levels greater than 50 percent of any stock\u2019s PBR per year).<\/li>\n<li>Category II are those with <em>occasional takes<\/em> (i.e., between 1 and 50 percent of any stock\u2019s PBR per year).<\/li>\n<li>Category III have <em>no, or a remote, likelihood<\/em> of takes (i.e., less than 1 percent of any stock\u2019s PBR per year).<\/li>\n<\/ul>\n<p>The <a href=\"https:\/\/www.fisheries.noaa.gov\/national\/marine-mammal-protection\/marine-mammal-protection-act-list-fisheries\">List of Fisheries<\/a> is reviewed and updated annually. The Marine Mammal Commission provides formal comments and recommendations on the NMFS List of Fisheries (see letters section below).<\/p>\n<h2 class=\"heading-two\" class=\"heading-two\" id=\"take-reduction-plans\">Take Reduction Plans<\/h2>\n<figure class=\"graphic alignright\" data-modal=\"photo\"><img loading=\"lazy\" class=\"size-full wp-image-2714\" src=\"http:\/\/www.mmc.gov\/wp-content\/uploads\/entangled_porpoise.jpg\" alt=\"Entangled Dall's Porpoise image\" width=\"700\" height=\"450\" srcset=\"https:\/\/www.mmc.gov\/wp-content\/uploads\/entangled_porpoise.jpg 700w, https:\/\/www.mmc.gov\/wp-content\/uploads\/entangled_porpoise-300x193.jpg 300w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><figcaption><p>Entangled Dall’s Porpoise (<em>Phocoenoides dalli<\/em>). (NOAA)<\/p><\/figcaption><\/figure>\n<p>Section 118 of the MMPA also directs NMFS to prepare a <a href=\"https:\/\/www.fisheries.noaa.gov\/national\/marine-mammal-protection\/marine-mammal-take-reduction-plans-and-teams\">take reduction plan<\/a> (TRP) for each \u2018strategic\u2019 marine mammal stock that interacts with a Category I or Category II fishery. Such plans also may be developed when a Category I fishery has a high level of mortality and serious injury involving one or more marine mammal stocks, even though it does not exceed PBR. Individual TRPs often address multiple marine mammal stocks and fisheries with similar or related incidental take problems. In accordance with the MMPA, the goals of a TRP are to (1) reduce mortality and serious injury to less than a marine mammal stock\u2019s PBR with six months of the plan\u2019s implementation date, and (2) reduce serious injury and mortality to insignificant levels approaching a zero rate within five years. That insignificance threshold is defined by NMFS as less than 10 percent of PBR, or what is known as the zero mortality rate goal (ZMRG).<\/p>\n<p>NMFS uses Take Reduction Teams (TRTs) to develop recommendations for measures to be included in take reduction plans and to monitor the implementation of those plans until NMFS has determined that the goals have been met. Team members include representatives of relevant fisheries, conservation groups, the academic community, fishery management organizations, and involved federal and state agencies. A representative of the Marine Mammal Commission participates on all TRTs. To date, seven TRTs have been established (see table below). The Atlantic Trawl Gear TRT has not met in over a decade, but the rest of the TRTs are still active.<\/p>\n<h2 class=\"heading-two\" class=\"heading-two\" id=\"take-reduction-teams-established-under-the-marine-mammal-protection-act\">Take Reduction Teams Established Under the Marine Mammal Protection Act<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>In 1994, the Marine Mammal Protection Act (MMPA) was amended to establish a system for assessing the status of marine mammal stocks in U.S. waters and reducing their incidental take in commercial fisheries. Those amendments provide the current basis for managing interactions between fisheries and marine mammals.\u00a0 They require the National Marine Fisheries Service (NMFS) […]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":2700,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_mi_skip_tracking":false,"spay_email":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>MMPA Provisions for Managing Fisheries Interactions with Marine Mammals - Marine Mammal Commission<\/title>\n<meta name=\"description\" content=\"The Marine Mammal Protection Act includes provisions for managing fisheries interactions with marine mammals to reduce the impact of fisheries on marine mammal species and their habitat.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.mmc.gov\/priority-topics\/fisheries-interactions-with-marine-mammals\/mmpa-provisions-for-managing-fisheries-interactions-with-marine-mammals\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MMPA Provisions for Managing Fisheries Interactions with Marine Mammals - 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