Mangroves Sediment and Water: Impacts of Urban Development and Global Change
Presenter: Katie Friday
Length: 22 min and 26 secs
View: Presentation
Topics:
- Mangroves, sediments, and water
- Mangrove ecology
- Are mangrove forests expanding?
- Mangrove ecosystem reinforcement
- Sometimes forests retreat instead of expand
- Harvesting and ocean currents
- Mangrove soils are ever-changing
- Slumping
- Which mangroves trap the most sediment
- Do mangroves protect coral reefs from sediments
- How do mangroves protect coastlines from waves
- Density of roots and branches
- Example: a few strong trees have little effect
- Width of mangrove along coastline
- Mangroves removed from coastline- no protection
- Fill
- Elevation of fill sites on mangrove
- Typhoons
- Sea level changes
- Unpaved roads and earthmoving
- Sediment trapping
- Roads
- Changes in water circulation
- Road and causeways may impound water
- Road
- Impounding
- Causeway in Ngatpang, Palau
- Roads between mangrove and uplands
- Road
- Effects of road
- Effects of rising sea level
- Mangroves grow toward interior
- Deeper water mangroves will die
- Coral reefs and mangroves
- Old sea level
- New sea level
- Summary of management recommendations