land-based pollution threats to coral reefs hawaiilocal action strategy: land-based pollution...
TRANSCRIPT
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LOCAL ACTION STRATEGY:
Land-based Pollution Threats to Coral Reefs
Hawaii
U.S. Coral Reef Task Force Meeting March 2007 Dr Katherine Chaston
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Sediment runoff is the biggest landSediment runoff is the biggest land--based pollution based pollution threat to Hawaiithreat to Hawaii’’s coral reefss coral reefs
USGSHawaiiUSGS
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Variety of sediment sources
Hawaii
TNC
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Sediment runoff has caused:Sediment runoff has caused:
• Sediment deposition and accumulation• Sediment resuspension and high
turbidity • Reduced coral reproduction &
recruitment • Reduced coral cover
Hawaii
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LAS developed using a collaborative multi-agency and community approach
Sustainable Living Institute of Maui
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Hawaii’s LAS is watershed-based and incorporates holistic management aspects of
traditional Hawaiian and natural resource management at the ahupua`a level.
MLP
Hawaii
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Three Priority Watersheds
Hawaii
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Watershed selection based on:
• Evidence that pollution impacts reef health
• High degree of community support and landowner interest
• Presence of ongoing land management and pollution control activities
• Availability of baseline data on reef and water quality conditions
Hawaii
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LAS goal: Reduce land-based pollution to improve coastal water quality and coral reef
ecosystem function and health
Hawaii
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LAS Priorities
Reduce anthropogenic pollutant load to surface water and groundwater by 25% through sites specific actions and bestmanagement practices in Honolua, Kawelato Kapualei, and Hanalei watershed.
HWH HWHHawaii
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Improve understanding of the links between land-based pollution and coral reef health through focused scientific research and
monitoring
Paul JokielHawaii
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Increase awareness of pollution prevention and control measures statewide
Hawaii
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Objective: Increase awareness and reduce pollutant load thru site specific actions
Challenges:Finding consultants with local experience
Achievements: • 3 workshops• Design guidelines drafted• Inclusion in county
stormwater ordinances
Project 1: Workshops on stormwater and wastewater management and erosion control
Protecting island resources by enhancing local stormwater and erosion control practices
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Project 2: USGS Sediment and Turbidity Studies Molokai
Priority issue: Improve understanding of impacts of sedimentation on reefs
Project partners: USGS Santa Cruz & Flagstaff, UW, TNC, UH, NPS, NOAA
Challenges: Logistics and community support
Hawaii
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•Sediment stays on the reef for a long time and is suspended daily
•Leads to repeated turbidity for months to years
•Daily turbidity often occurs during the day when corals needs optimum sunlight for growth
•Daily sedimentation affects daily feeding, nutrients, algae growth, recruitment
AchievementsAchievements
.
USGSHawaii
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Project 3: Best Management Practices for Taro farms: Hanalei, Kaua‘i
Partners: HWH, EPA, USFWS
Challenges: Integration with farming practices, maintenance
Achievements: 10% reduction in sediment with bmp’s, increase of 10 -64% without
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Challenges: land-based sources of pollution
Financial Capacity
•difficulty in securing large grants
•long-term funding for monitoring
•local donor priorities differ to LAS priorities
•matching fund requirements
Technical Capacity
•Scientific tools for management
Hawaii
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Challenges: landChallenges: land--based sources of pollution based sources of pollution
Staff Capacity
•limited staff to undertake projects
Short-time frame
•Projects take longer to initiate
(eg USACE 10 year project cycle)
•Difficult to measure effectiveness
Hawaii
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Project 1: LAS coordinator salary
Limitations: Long-term funding
Assistance Needs: Partnership between University of Hawaii and NOAA, NRCS, EPA?
Needs: Land-based Sources of Pollution
Hawaii
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Project 2: Development of pollution sensitive indicators
Limitations: • Partial funding (still need $60K) • Difficulty with federal match • Not a priority of local funders
Assistance needed: Funding that doesn’t require non-federal match
Needs: Land-based Sources of Pollution
Hawaii
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Needs: Land-based Sources of Pollution
Project 3: Restoration projects in Honoluaand Molokai (sediment basins)
Limitations: Large grants, political will, Long time frame
Assistance Needed: USACE, NRCS, NFWS
Hawaii
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Project 4: Long-term coral reef and water quality monitoring
Limitation: Long-term funding, limited capacity of state resource agencies
Assistance Needed: Long-term funding or increased staff for monitoring
Needs: Land-based Sources of Pollution
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Project 5: Revegetation trial Molokai
Limitations:Local capacity and funding
Assistance Needs: $20K (project) , $50K staff. Position could be combination of part-time positions (NRCS, USFWS, EPA)
Needs: Land-based Sources of Pollution
Hawaii
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Next StepsNext Steps
• Extend the strategy for an additional 2 years• Continue to focus on implementing projects in the 3
priority ahupua’a • In the next 2 years select an additional watershed or
theme to expand the strategy • Steering Committee Retreat• LAS review workshop with Stakeholders.
Hawaii
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U.S. Coral Reef Task Force Meeting March 2007 Dr Katherine Chaston
Mahalo
Hawaii