noaa/nsta web seminar: coral ecosystems: land-based pollution threats to coral reefs live...
Post on 17-Dec-2015
216 Views
Preview:
TRANSCRIPT
NOAA/NSTA Web Seminar:
Coral Ecosystems:
Land-based Pollution Threats to Coral Reefs
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
Thursday, May 8, 2008
Land-based Pollution Threats to Coral Reefs
Presented by Kathy Chaston Coral & Coastal Management Specialist NOAA’s National Ocean Service
Office of Ocean & Coastal Resource Management
Outline
• Coral biology
• Value of coral reefs
• Land-based pollution impacts
• Management actions
• Teaching resources
Outline
• Coral biology
• Value of coral reefs
• Land-based pollution impacts
• Management actions
• Teaching resources
Reef building corals require: • Warm water: 75 – 85 Fahrenheit degrees• Light: Shallow and sediment free waters• Salinity: 34 – 37 ppt
PCS
Coral reef distribution
Source:
http://oceanservice.noaa.gov/education/kits/corals/media/supp_coral05a.html
Outline
• Coral biology
• Value of coral reefs
• Known effects of land-based pollution
• Management actions
• Teaching resources
Coral reefs are valuable
• Biodiversity• Fisheries• Shoreline protection• Pharmaceuticals• Tourism • Education• Culture • Social values
Coral reefs: rainforests of the sea
How many species of fish live on reefs?
A. 40
B. 400
C. 4000
PCS
Reefs are important economically
Hawaii:• Net benefits = $360 million year • Overall asset value MHI = $10 billion
Study by: Cesar & van Beukering 2004
Many threats to Coral Reefs
Key threats to US reefs:
• Over-fishing
• Land-based sources of pollution
• Recreational overuse/misuse
• Lack of public awareness
• Climate change & coral bleaching
• Disease
Key threats to US reefs:
• Over-fishing
• Land-based sources of pollution
• Recreational overuse/misuse
• Lack of public awareness
• Climate change & coral bleaching
• Disease
Outline
• Coral biology
• Value of coral reefs
• Land-based pollution impacts
• Management actions
• Teaching resources
Models estimate that 22% of all coral reefs world-wide are at high or medium threat from inland pollution and soil erosion.
(Bryant et al. 1998).
USGS
Runoff threatens coral reefs globally
Runoff effects coral
reproduction & recruitment
• Coral settlement rates are near zero on sediment covered surfaces • Sediment tolerance is lower in new recruits
Outline
• Coral biology
• Value of coral reefs
• Land-based pollution impacts
• Management actions
• Teaching resources
Managing land-based pollution
• US Coral Reef Task Force formed
• Addressing key threats to reefs is a national priority
• Development of local action strategies
More information: http://coralreef.gov
Hawaii’s Local Action Strategy:
A collaborative multi-agency and community approach to protect Hawaii’s coral reefs
Sustainable Living Institute of Maui
Taking action to:
• Reduce pollutant loads
• Increase understanding through scientific research & monitoring
• Increase awareness
Outline
• Coral biology
• Value of coral reefs
• Known effects of land-based pollution
• Management actions
• Teaching resources
Other educational materials available from NOAA and NSTA
Science Objects (4): Coral Reef Ecosystems
Web Seminar Archives (2): Today’s and April 10’s
SciPack: Coral Reef Ecosystems
SciGuide: Coral Ecosystems
Journal Articles
http://learningcenter.nsta.org
Funding
• NOAA Bay Watershed Education and Training (B-WET)
• Program was established in 2002 to create environmentally literate students and teachers through education.
• http://www.csc.noaa.gov/psc/bwet.html
• http://www.sanctuaries.noaa.gov/news/bwet/welcome.html
National Science Teachers AssociationGerry Wheeler, Executive Director
Frank Owens, Associate Executive Director Conferences and Programs
Al Byers, Assistant Executive Director e-Learning
LIVE INTERACTIVE LEARNING @ YOUR DESKTOP
NSTA Web SeminarsFlavio Mendez, Director
Jeff Layman, Technical Coordinator
top related