Mangroves
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A mangrove presentation used for overseas students and local communities on the importance of mangroves

A mangrove presentation used for overseas students and local communities on the importance of mangroves

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Mangroves Mangroves Presentation Transcript

  • Mangroves
  • World Distribution
  • Mangroves
    • Found along coastal areas, especially in estuaries.
    • Grow well in areas with salt and fresh water mix
    • Different species of mangroves use different areas of the tidal zone.
  • Mangrove Importance
    • Areas have murky muddy water that create habitats for juvenile fish, sharks and crustaceans
    • Root systems anchor the soil and prevent erosion in coastal zones
    • Act as wave breakers, protecting coasts and communities from climatic change
    • Create breeding and feeding grounds for many marine animals.
  • Cultural Importance
    • Mangrove areas provide food and shelter for communities. Crustaceans and fish species are caught using traps and nets
    • Tree parts have traditional uses such as
    • Fence building
    • Makes dye for tapa cloths
    • Fish traps
    • Other fishing practices
  • Areas of Issue
    • Pigs free to wander and feed from estuary areas. Pigs increase levels of nitrates and bacteria in the area as well as digging up new mangrove shoots.
    • Deforestation and soil erosion
  • Mangrove Species in Vava’u
    • Red Mangrove (Rhizopora sp.)
    • Prop Roots
    • Small Leaves
    • Whitish Yellow Flower
    • Long pod seed
    • Water/Sea
    • Prop Roots
    • Sprout from very high up in the tree
    • The older the tree the higher the roots are located
    • Roots are very important and have many functions
    • Anchor the plant
    • Absorb minerals
    • Gas exchange O2 and CO2
    • Absorb water from surrounding ecosystem and excludes the salt
    • Leaves are thick and waxy preventing excessive water loss
    • Use photosynthesis to create food
    • Dead leaves fall into water and decay providing nutrients for ecosystem
    • Seed Pod drops when ready
    • Carried by tides and currents
    • Root end bulbous and heavy planting into tidal soil zones
  • Conservation and Sustainability
    • Community ran projects for planting mangroves
    • Creating sustainable use programs
    • Education in schools and community meetings