Impact of TAK reduction
Question 2: What will be the impact to the Atlantic fishery if the menhaden reduction fishery is closed, leaving 150000 metric tons a year of menhaden in the ocean.
Grok: Closing the menhaden reduction fishery (primarily the industrial purse-seine operation in Virginia/Chesapeake Bay for fish meal and oil) would leave approximately 130,000–150,000 metric tons (mt) of menhaden annually in the ocean—matching recent reduction landings (e.g., ~131,800 mt in 2023 and ~134,400 mt in 2024) and the scenario in your query.** This would slash total coastwide harvest from the current 2026 TAC of 186,840 mt down to roughly the bait/recreational level of ~50,000–52,000 mt, representing a ~70–80% overall reduction in fishing pressure.
The Atlantic menhaden stock is currently managed with ecological reference points (ERPs) via ASMFC Amendment 3 and the 2025 SEDAR 102 benchmark assessment. These explicitly account for menhaden’s role as forage rather than just single-species metrics. Striped bass is the most sensitive predator in the NWACS-MICE ecosystem model; ERPs are calibrated around it so that adequate forage for striped bass also protects other species (bluefish, weakfish, spiny dogfish, ospreys, marine mammals, seabirds). The 2025 update revised ERPs downward (more conservative) due to updated predator diets, population sizes, and natural mortality estimates.
Key impacts on the broader Atlantic fishery (recreational/commercial predator fisheries, bait, and ecosystem services):
– Major increase in menhaden abundance and biomass: Lower fishing mortality (F) would allow the stock to grow, with more older/larger fish (age 3+) surviving. This builds on the post-2012 TAC recovery that already drove northward expansion. Models project higher menhaden spawning stock biomass and availability across the range (Florida to New England/Canada). Bait fisheries (especially northern states) would likely see greater availability, potentially lower prices, and expanded opportunities.
– Strong benefits to predator fisheries: More forage directly supports higher productivity and abundance of striped bass (the Atlantic’s most valuable recreational/commercial species), bluefish, and others. Conservation and recreational groups note that current harvest levels constrain striped bass rebuilding; a cut this large would push F well below the ERP target/threshold, improving predator outcomes and helping the striped bass fishery recover faster (target rebuild by 2029 under its own plan). Osprey and marine mammals would also gain. However, even zero menhaden fishing coastwide would not fully rebuild striped bass to its biomass target—sustainable striped bass fishing mortality remains the primary driver. Still, this reduction would remove a major forage limitation.
– Ecosystem and water-quality gains: Additional menhaden (planktivorous filter-feeders) would enhance plankton control and water clarity, especially in Chesapeake Bay. Older studies and ongoing debates link higher menhaden presence to improved Bay health.
– Economic and fishery-wide effects:
– Positive overall for the Atlantic fishery: Recreational striped bass angling generates hundreds of millions in economic value (far exceeding reduction-sector contributions in older analyses). Bait fisheries and northern working waterfronts would benefit from abundance. The 2025 assessment and ERP modeling show tradeoffs favor predators at lower menhaden harvest.
– Negative for the reduction sector specifically: Job and revenue losses concentrated in Virginia (Reedville plant, Ocean Harvesters fleet, union jobs). Industry argues this is unwarranted given no coastwide overfishing, but the ERP framework prioritizes forage. Broader Atlantic fishery gains (recreational + bait) would likely outweigh this.
Recent ASMFC actions (20% TAC cut for 2026, ongoing Chesapeake Bay cap review) reflect debate: science calls for deeper cuts (~50%+ for 50/50 probability of meeting ERP target), but managers balanced socioeconomic concerns. Full reduction closure exceeds those recommendations, aligning closely with (or surpassing) ecosystem goals.
In summary: This would be a net positive for the health and productivity of the Atlantic fishery as a whole—boosting predator stocks, recreational/commercial opportunities for species like striped bass, bait supply, and ecosystem services—while accelerating the northward recovery trend. It would not be a “silver bullet” for striped bass (its own management is essential), and it carries localized economic costs to the reduction industry. No sources indicate negative spillover to other Atlantic fisheries; the ERP science and model explicitly link reduced menhaden harvest to better predator outcomes. Actual results would depend on enforcement, natural recruitment variability, and parallel predator management.
References:
Impact on the Atlantic fishery if the menhaden reduction fishery is closed (leaving ~150,000 mt/year in the ocean)
– 2025 Atlantic Menhaden Single-Species Stock Assessment Update (ASMFC, October 2025): Provides current landings data (reduction fishery ~130,000–150,000 mt range in recent years), TAC levels (e.g., 186,840 mt for 2026 after 20% cut), and projections under different harvest scenarios.
– 2025 Ecological Reference Point (ERP) Benchmark Stock Assessment (SEDAR 102) and Peer Review Report: Updates ERPs using the NWACS-MICE ecosystem model (with striped bass as the focal sensitive predator). Evaluates tradeoffs between menhaden harvest and predator forage needs; shows that large reductions in fishing mortality improve outcomes for striped bass and other predators while maintaining menhaden sustainability. Includes refined natural mortality, fecundity, and biomass estimates.
– ASMFC Menhaden Management Board materials and proceedings (2025): Discuss recent TAC decisions (e.g., 20% cut for 2026), Chesapeake Bay cap, and the balance between reduction fishery socioeconomic impacts and broader ecosystem/predator benefits (striped bass rebuilding, bait availability, water quality).
– Supporting analyses from conservation and recreational perspectives (e.g., TRCP, ASA): Highlight how current or higher harvest levels constrain predator rebuilding under ERPs, while deeper cuts (approaching or exceeding reduction closure) would push F well below targets, benefiting the wider Atlantic fishery.
These sources emphasize that closing the reduction fishery would dramatically lower overall coastwide harvest (to bait levels only), exceed current ERP recommendations in a precautionary direction, boost menhaden biomass/abundance (including northward), and provide net positives for predator fisheries like striped bass—though not a complete solution without parallel striped bass management. Localized economic effects on the Virginia-based reduction sector are also noted.