2015 Oyster Stock Assessment Public Oyster Areas of Louisiana Louisiana Oyster Task Force New Orleans, La August 26, 2015.

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Presentation transcript:

2015 Oyster Stock Assessment Public Oyster Areas of Louisiana Louisiana Oyster Task Force New Orleans, La August 26, 2015

Historical Louisiana Oyster Landings PRELIMINARY DATA - SUBJECT TO CHANGE

Sampling performed in July sampling sites visited 550 total m 2 samples collected

STOCK ASSESSMENT RESULTS Preliminary data – subject to revision

STOCK ASSESSMENT RESULTS Preliminary data – subject to revision

Coastal Study Areas (CSAs) LDWF Office of Fisheries – Marine Fisheries Section PRELIMINARY DATA - SUBJECT TO CHANGE

CSASeedSeed %SackSack %TotalTotal % 1N 336, % 171, % 508, % 1S 5, % 45, % 50, % 3 9, % 8, % 17, % 5E 1,3480.2% % 2, % 5W 141, % 58, % 200, % 7 119, % 216, % 336, % Total 613,975501,5091,115,484 Preliminary data – subject to revision BOLD indicates increases over 2014 levels; Italicized indicates decreases Availability in barrels (1 barrel = 2 sacks) 1N = Lake Borgne/MS Sound 1S = East of MS River, South of MRGO 3 = Hackberry Bay 5E = Lake Chien/Felicity 5W = Sister Lake/Bay Junop/Lake Mechant 7 = Calcasieu & Sabine Lakes CSA Description

CSA 1 – North (Lake Borgne/MS Sound area) PRELIMINARY DATA - SUBJECT TO CHANGE % seed +11.9% sack -14.0% total Quick Facts Overall decrease in availability by 14% Majority of resource is on recent cultch plants Market-size & seed in Grassy/Halfmoon/Petit area X

CSA 1 – South (Black Bay, Bay Gardene, Lake Fortuna, etc.) PRELIMINARY DATA - SUBJECT TO CHANGE % seed -18.6% sack -40.7% total Quick Facts Overall decrease in availability by 41% Lake Fortuna CP holds over half of all resource X

CSA 3 (Hackberry Bay) PRELIMINARY DATA - SUBJECT TO CHANGE % seed % sack -51.9% total Quick Facts Overall decrease in availability by 52% 2008 CP shows highest oyster density 2012 CP holds most overall oyster resource Sizeable increase in market-size oysters X

CSA 5E (Lake Chien and Lake Felicity) PRELIMINARY DATA - SUBJECT TO CHANGE % seed % sack -14.7% total Quick Facts Overall decrease in availability by 15% Very low amount of resource Resource concentrated in Lake Chien X

CSA 5W (Sister Lake, Bay Junop, Lake Mechant) PRELIMINARY DATA - SUBJECT TO CHANGE % seed +59.1% sack -35.7% total Quick Facts Overall decrease in availability by 36% SL had sizeable increase in market-size oysters (73%) Lake Mechant experienced large drop in seed oysters X

CSA 6 (Vermilion Bay Area) PRELIMINARY DATA - SUBJECT TO CHANGE % seed % sack -61.3% total X

CSA 7 (Calcasieu & Sabine Lakes) PRELIMINARY DATA - SUBJECT TO CHANGE % seed -64.0% sack -60.6% total Quick Facts Overall decrease by 61% East side has a few oysters; driven by 1 new station West Cove significant decrease in availability Sabine Lake significant decrease in availability X

2015 Stock Assessment Quick Facts Overall decrease in availability by 41% Largest resource in MS Sound area Sister Lake holds fishable resource Sizeable decreases in Calcasieu & Sabine 2015 Statewide Oyster Availability PRELIMINARY DATA - SUBJECT TO CHANGE

Louisiana Public Oyster Areas Preliminary 2015/2016 Season Recommendations 1N. Primary Public Grounds East of MS RiverOctober 26 (SACKING ONLY areas) 1S.Primary Public Grounds South of MRGOOctober Little Lake, Barataria BaySeptember 9 3.Hackberry BayOctober 26 5E. Lake Tambour & Deep LakeSeptember 9 5W. Sister Lake & Lake MechantOctober Vermilion/Atchafalaya Bay AreaSeptember 9 7. Calcasieu Lake – West Cove November 1 *** SACK LIMITS**** 40 sacks per vessel per day; Calcasieu Lake: 6 sacks CLOSED 2014 Hackberry Bay Cultch Plant, Bay Junop, East Side of Calcasieu Lake, Sabine Lake 6 3 5E 7 1 5W

The following slides show stock assessment with Sabine removed (Only show if needed)

PRELIMINARY DATA - SUBJECT TO CHANGE Statewide

PRELIMINARY DATA - SUBJECT TO CHANGE CSA 7 (Calcasieu Lake ONLY)