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Fisheries Resource Recovery Project

National Institute of Fisheries Science

What is the Fish Stock Rebuilding Plan?

The Fish Stock Rebuilding Plan (FSRP) refers to a comprehensive plan to restore the stocks of overfished species to a set target stock level within a certain period of time. The project to systematically implement this plan is called the Fish Stock Rebuilding Plan.

Background and purpose of the Fish Stock Rebuilding Plan

  • As a special measure to dispel concerns that the fishery production base would eventually collapse due to the continuous decline in the amount of resources and catches in coastal waters in the past, the Fish Stock Rebuilding Plan was established in 2005, and the Fish Stock Rebuilding Plan was introduced in 2006.
    • Since 2006, pilot projects for the recovery of fishery resources have been implemented, focusing on four fish species (sandfish, blue crab, Octopus minor, and Diversicolor abalone).
    • As this project was promoted from 2007, bluefin salmon, croaker, and cod were added to the target fish species, and in 2008, olive flounder, horsefish, and clam were added.
    • Since then, the number of target fish species has increased year by year, and as of 2017, it has been expanded to 16 species, including sandfish, blue crab, Octopus minor, Diversicolor abalone, bluefin salmon, tuna, cod, olive flounder, horse mackerel, clam, hairtail, pike eel, mackerel, Giant Pacific octopus, jade fish, and pollack.
    • Currently, the target fish species are classified into management target species (14 species excluding boletus and pollack), intensive recovery target species (horsefish), and concern target species (pollack).

Performing department

Currently, the Fish Stock Rebuilding Plan is managed by the Coastal Sea Resources Division of the National Institute of Fisheries Science, and the resource recovery project for each target fish species is carried out by the Coastal Sea Resources Division of the National Institute of Fisheries Science, East Sea, West Sea, South Sea, Jeju Fisheries Research Institute, and Fisheries Resources Research Center.

Selection system of target fish species

The selection system of fish species for the Fish Stock Rebuilding Plan is selected every year through self-meeting by the National Institute of Fisheries Science, and recommendations are drawn and improved through one to three years of research on recovery plans after selection.

Organization and operation

  • As the Fishery Resource Recovery Plan was established in 2005 to prepare and implement recommendations for each target fish species, the Scientific Committee and the Metropolitan/Regional Fisheries Resources Management Committee were newly established and are being organized and operated.
    • The Science Committee is an organization that serves to prepare recommendations based on scientific investigation and evaluation of species subject to resource recovery. It organizes and operates offices divided by region (wide area, East Sea, West Sea, South Sea, and Jeju), and is composed of the National Institute of Fisheries Science, local government research institutes, local universities, etc. and up to 10 experts in each field.
    • The Fishery Resources Management Committee is an organization that determines feasible management plans and promotes projects for species subject to resource recovery based on the recommendations of the Scientific Committee.
    • The Metropolitan Fishery Resources Management Committee is in charge of commercial and migratory fish species, and the Regional Fishery Resources Management Committee is in charge of coastal settlement fish species.

Promotion status of target species by year

Promotion status of target species by year
Division *2006 2007 2008 2009 2010 2011 2022 2013 2014~
1 Sandfish Sandfish Sandfish Sandfish Sandfish Sandfish Sandfish Sandfish Sandfish
2 Blue crab Blue crab Blue crab Blue crab Blue crab Blue crab Blue crab Blue crab Blue crab
3 Octopus minor Octopus minor Octopus minor Octopus minor Octopus minor Octopus minor Octopus minor Octopus minor Octopus minor
4 Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone Diversicolor abalone
5 Mottled skate Mottled skate Mottled skate Mottled skate Mottled skate Mottled skate Mottled skate Mottled skate
6 Small yellow croaker Small yellow croaker Small yellow croaker Small yellow croaker Small yellow croaker Small yellow croaker Small yellow croaker Small yellow croaker
7 Cod Cod Cod Cod Cod Cod Cod Cod
8 Blackfin flounder Blackfin flounder Blackfin flounder Blackfin flounder Blackfin flounder Blackfin flounder Blackfin flounder
9 File fish Purplish Washington clam Purplish Washington clam Purplish Washington clam Purplish Washington clam Purplish Washington clam Purplish Washington clam
10 Washington clams Black Scrapper Black Scrapper Black Scrapper Black Scrapper Black Scrapper Black Scrapper
11 Hairtail Hairtail Hairtail Hairtail Hairtail Hairtail
12 Purple pike conger Purple pike conger Purple pike conger Purple pike conger Purple pike conger Purple pike conger
13 Chub mackerel Chub mackerel Chub mackerel
14 Giant Pacific octopus Giant Pacific octopus Giant Pacific octopus
15 Red tilefish Red tilefish Red tilefish
16 Pollack
Implemented as pilot project species in 2006 Species subject to intensive recovery Species ubject to intensive recovery2006년은 시범사업으로 실시

Target species by sea area

Target species by sea area
Division Target fish species
Main office
(Coastal Sea Resources Division, Fishery Resources Research Center)
Small yellow croaker, chub mackerel, hairtail, purple pike conger, tile fish, cod
East Sea
(Resources and Environment Division, Aquaculture Industry Division, Dokdo Fisheries Research Center)
Sandfish, giant Pacific octopus, blackfin flouder, pollack
East Sea
(Resources and Environment Division, Aquaculture Industry Division, Dokdo Fisheries Research Center)
Sandfish, giant Pacific octopus, blackfin flouder, pollack
West Sea
(Resources and Environment Division)
Blue crab, mottled skate
Jeju Diversicolor abalone, red tilefish

Recommendation by Fish Species for Resource Recovery Target Species

Recommendation by Fish Species for Resource Recovery Target Species
Species Recommendations Details
Small yellow croaker 1. Management of small fish (immature fish) Promote the implementation of the ban on capture and prohibition period15cm or less for the length of the prohibition of capture (adjustments required in the future)Capture Prohibition Period 7.1~7.31, 4.22~8.10 (limited to offshore driftnets)Attach immature fish catch reduction devices
2. Preparation of catch management plan TAC review for small yellow croakerImprove consignment system at discharge ports (cooperation with Fisheries Cooperatives)
3. Fishing environment management Distribute and expand biodegradable fishing gearContinue to implement the waste fishing gear collection project
Chub mackerel 1. Set prohibition period for large purse seine fishing Closed fishing season must be gradually expanded from April to June, the main spawning season (corresponding to the autonomous break period for large purse seiners during the current prohibited fishing season)
2. Regulations on catching immature fish Catching immature fish less than 21cm in length is prohibitedGradual upward adjustment of the length required (minimum 28cm)
3. Identification of counterfeiting of immature fish and restriction of distribution Identify current status of the mixed-catch marketProhibit sales of live feed and export
4. Establishment of electronic operation system Establish an electronic operation system that enables shipboard reporting to strengthen operation performance management and simplify reporting
5. Reinforcement of fisherman education and PR activities Encourage voluntary participation of fisherfolkEstablish an education system and provide continuous education on prohibition of catch and sales of immature fish, prohibited fishing season, etc. (Sarangbang discussions, etc.)Continuously promote the effect of increasing production amount through resource management (comparison of fish prices by weight class)
Hairtail 1. Adjustment of the prohibition of capture for the protection of young hairtail resources Increase minimum body length limit (current 18cm -> gradually increase to 25cm)Provisions need to be improved (Current provision: "Excepting cases where less than 20% of hairtail fish caught are this length")
2. Protection of broodstock during the spawning season Proviso clause needs to be improved (Current clause: "Excepting cases where hairtail accounts for less than 10% of the catch during the applicable period")Implement rest periods for each fishery centering on the main spawning season for hairtail (May-September) (cooperation with fisheries cooperatives)
3. Reinforcement of education and promotion for fisherfolk and fisheries cooperatives Provide education to improve awareness of autonomous fishery resources management (promotion of young fish protection, etc.)
Black Scrapper 1. Thorough implementation of the prohibited fishing season and the prohibition of capture Identify actual situations related to implementationPromote continuouslyReview the total fishing ban for a certain level of resource recovery
2. Establishment of an effective resource management plan through finding out the joining mechanism of black scrapper Identify accession mechanism through survey of spawning grounds and breeding groundsSet spawning grounds and growth fields as catching prohibition areas
3. Expansion of artificial seedling release Reinforce local government seedling release activities and encourage fisherfolk’s group participationSystematically and scientifically verify the effects of the artificial seedling release project
4. Inducement of autonomous fishery management through fisherfolk education and publicity Strengthen resource management education for inshore fisherfolkReinforce promotional activities for young fish protection, targeting fisheries with high catches of immature fish
Purple pike conger 1. New establishment of the closed season Newly established from July to September
2. Reinforcement of capture ban size Current 40cm -> 60cmNeed to release young fishHigh survival rate when released in natural conditions (expected)
3. Introduction of autonomous TAC (consecutive) Introduce autonomous TAC system (autonomous management community)Daily catch cap system, restriction on catch of young fish and prohibition of distribution, etc.
4. Education of fisherfolk and promotion for resource management Need to raise awareness of resource management (continuous training for purple pike conger longline fisherfolk) Publish and distribute resource protection and management PR materials
Sandfish 1. Upward adjustment of minimum length limit Current 11cm -> Upward to 13cmMature body length: female 16cm, male 13cm
2. Expansion of the closed season to prevent immature fish and overfishing Expand the TAC systemEastern sea Danish seine fishery (under implementation)Implementation of coastal gillnet (expansion)Voluntary restrictions on the amount of fishing gear used in coastal gillnets25 widths per ship, 10 additional widths/per person, total 45 widths limited
3. Efficient operation of protected water surface in spawning grounds More thorough management than expansion of protected waters in spawning grounds is requiredPrioritize promotion of spawning grounds and marine forests
Giant Pacific octopus 1. Set fishing closed season Gangwon-do’s own ban on fishing (March) was established in 2017(Announcement by local government)Establish and expand prohibited fishing season in all areas of the East Sea
2. Strengthen minimum weight limit Increase from current 400g to 1kg in the future(Need to raise the prohibited weight to mature weight) ※Research result: 12kg for mature body length, 8kg for final mature body length
3. Expansion of resource creation research through seed production Contribute to resource creation by solving food organisms after larvae
Blackfin flounder 1. Protection of small fish (immature fish) Expand Eastern sea Danish seine fishery and coastal gill net fishery
2. Fishing effort management Reduce fishing intensity of Eastern sea Danish seine fisheryNeed to release young fish※ 28% reduction in fishing effort is required to obtain maximum fishery profits
3. Accurate reference to blackfin flounder Promotion and management for accurate statistics
4. Accurate catch quantity Continuously monitor to determine the exact amount of catch after the establishment of the statistical code (2015)
Blue crab 1. Autonomous operation of fishing closed season during main shedding season Induce additional (autonomous) closed seasonEntire sea area: 6.21∼8.20 -> 6.21∼9.15Baekryeong/Daecheong/Yeonpyeong sea area: 7.1∼8.31 -> 7.1∼9.15 ※ Molting period: August to December (main molting period early September to early October) 1,000 tons caught (approximately KRW 10 billion), 300 tons discarded
2. Erasure of standards for accreditation of bycatch Erase the permissible standard of within 5% of bycatchAbolish discrimination regulations for recognizing incidental catches in 7 fisheries, including coastal river nets
3. Development of resource recovery training program Establish fisherman education system such as resource management regulations (local governments, fisheries offices, fisheries cooperatives, etc.)
Mottled skate 1. Strengthen minimum length limit Current sieve width 42cm -> expand to 63cm for females and 58cm for males
2. Change of fishing closed season Current 6.1~7.15 (45 days) -> change to 5. 15~6.30 (45 days) (main spawning season)
3. Expansion of TAC target fisheries for mottled skate Included in TAC target fisheries due to high immature catches
4. Strengthening crackdown on IUU fishing of Chinese vessels Strengthen crackdown on China's IUU fishing in Korean EEZ
Octopus minor 1. New establishment of prohibited body weight regulations Set the weight limit for capturing and collecting ultra-small baby octopus (10g, less than 1 month old)※ Mature weight: 116.5g, accounts for 65% of catch rate of immature fish in Jeonnam
2. Adjustment of capture prohibition period (review) Increased catches due to overfishing before the closed period (mother octopus protection required)
3. Compliance with relevant laws and regulations Comply with current regulationsLegal fishing gear use amount and catch collection prohibition period (observe the prohibited fishing season)
Purplish Washington clam 1. New establishment of regulations for prohibition of capture Indiscriminate collection of Purplish Washington clam (buying and selling)Need for preventive resource management (6.0cm)
2. Breeding farm and habitat management Proactively protect spawning mother shell resourcesManage habitat to improve the survival rate of young and mothers(Nutritional salts, flow rates, etc.)
3. Operation of resource recovery business education program Prohibit night fishing in village fishing grounds and for private license management boats and enforce compliance with fishing zones
Red tilefish 1. Compliance with catch prohibition period Catch prohibition period for related organizations such as fishermen(7.21~8.20) Call for compliance
2. Coastal longline fishing hook No. 13 or higher recommended Catch prohibition period for related organizations such as fisherfolk
3. Education of fisherfolk and promotion related to resource recovery Promote education centered on local governments and fisherfolk
Diversicolor abalone 1. Compliance with fishing closed season Catch prohibition period for related organizations such as fisherfolk
2. Operation of pilot fishing ground designated for water surface resource management (protection) Need for effect analysis on pilot fishing grounds
3. Raising awareness of fisherfolk through continuous strengthening of administrative guidance and promotion/education Raise awareness of resource recovery for aging fisherfolk (haenyeo)
Cod 1. Installation and operation of management organizations by sea area (by flock) Derive a flexible management plan according to the possibility of existence of 3 flocks
2. Upward adjustment of minimum length limit and application of fishing closed season in all sea areas If the current 30cm length limit is expanded (45cm), potential spawning is expected to increase by 2.5 timesProtect spawning groups at the same time throughout the year with the same closed seasonCurrent capture prohibition period: 3.1~3.31 (Busan/Gyeongnam: 1.1~1.31)
3. Current status of the number of creatures permitted to catch for the release project Less than 10% of the actual amount of cod used in the stocking business, and the remaining 90% for commercial use (causing conflicts between other fisheries)
Pollack 1. Creation of resources through seedling production Need to establish a stable seedling production system following the success of complete farmingNeed to secure parent fish for continuous seedling production
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