• Partners
– New York Harbor Foundation
– Cornell University
– Hudson River Foundation
New York City
Department of Environmental Protection
Oyster Research Project
Thurston Basin
Jamaica Bay Task Force
Meeting
October 29, 2015
Building on Past Efforts
2
Learning from Past Efforts
3
Gerrittsen Creek
5-year old from the 2010
Pilot Project.
Approximately 100 live
oysters remain.
Many of similar size.
4
Larvae Retention Model
5
Model Results
 A total of 47,500 larvae were released from 19 reefs
 Overall recruitment success was about 16% of total release
Thurston Basin
6
Project Overview
Temporary
Aquaculture
Floats and
Line
Subtidal
Reefs
• Project Site
o Head of Bay
o Within the 200-Yard Exclusion Zone of JFK
airport
• Aquaculture Line
o 900 foot longline
o 300 12” floats
o Trays of oysters hanging from longline
• Oyster Settlement Reefs
o 4 reefs, each reef (10m x 50m)
o Subtidal (10-20 ft below MLW)
• Hurricane Sandy Resiliency Funding
from DOI ($1M with $375+ match from DEP)
7
Characterize Project Area
• Initial Site Surveys and
Mapping
o Bottom Type
o Benthic Community
Analysis
o Hydrodynamics (ADCP
deployed for 2 months)
• Timeline: Early spring 2016
8
Oyster Nursery Construction
• Oyster Aquaculture
Line
o 600 foot longline
o 200 12” floats, 3ft
spacing
o Trays of oysters
hanging from
longline
• Timeline: Late May
2016
9
Reef Construction
 Reef Base Construction
o 500 yards of clean clam shell
o 4 barge loads
 Timing: Early May 2016
o Deployed from barge over 4 days
 Oyster Shell Veneer
o 20 yards of clean oyster shell
o Deployed from barge over 2
days:
o Testing of Crushed Porcelain as
a suitable substrate
10
11
Monitoring Oyster Settlement
• Settlement Reef Monitoring
o Diver Quadrat Sampling,
 Timing: 2 days a month from July – November
o Oyster Tong Sampling
o Timing: 2 days in November 2016 and
November 2017
• Passive Settlement Bags
o 10 sites – 1 on each reef (4), 1 east of reefs, 5 west
of reefs
12
Questions?
Questions?

5 dep presentation to jbtf-fall 2015

  • 1.
    • Partners – NewYork Harbor Foundation – Cornell University – Hudson River Foundation New York City Department of Environmental Protection Oyster Research Project Thurston Basin Jamaica Bay Task Force Meeting October 29, 2015
  • 2.
  • 3.
    Learning from PastEfforts 3 Gerrittsen Creek 5-year old from the 2010 Pilot Project. Approximately 100 live oysters remain. Many of similar size.
  • 4.
  • 5.
    5 Model Results  Atotal of 47,500 larvae were released from 19 reefs  Overall recruitment success was about 16% of total release Thurston Basin
  • 6.
    6 Project Overview Temporary Aquaculture Floats and Line Subtidal Reefs •Project Site o Head of Bay o Within the 200-Yard Exclusion Zone of JFK airport • Aquaculture Line o 900 foot longline o 300 12” floats o Trays of oysters hanging from longline • Oyster Settlement Reefs o 4 reefs, each reef (10m x 50m) o Subtidal (10-20 ft below MLW) • Hurricane Sandy Resiliency Funding from DOI ($1M with $375+ match from DEP)
  • 7.
    7 Characterize Project Area •Initial Site Surveys and Mapping o Bottom Type o Benthic Community Analysis o Hydrodynamics (ADCP deployed for 2 months) • Timeline: Early spring 2016
  • 8.
    8 Oyster Nursery Construction •Oyster Aquaculture Line o 600 foot longline o 200 12” floats, 3ft spacing o Trays of oysters hanging from longline • Timeline: Late May 2016
  • 9.
    9 Reef Construction  ReefBase Construction o 500 yards of clean clam shell o 4 barge loads  Timing: Early May 2016 o Deployed from barge over 4 days  Oyster Shell Veneer o 20 yards of clean oyster shell o Deployed from barge over 2 days: o Testing of Crushed Porcelain as a suitable substrate
  • 10.
  • 11.
    11 Monitoring Oyster Settlement •Settlement Reef Monitoring o Diver Quadrat Sampling,  Timing: 2 days a month from July – November o Oyster Tong Sampling o Timing: 2 days in November 2016 and November 2017 • Passive Settlement Bags o 10 sites – 1 on each reef (4), 1 east of reefs, 5 west of reefs
  • 12.