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Mangrove /Mangal

Mangrove /Mangal. Diversity. Questions:. Why are trees found in some ocean boundaries? Aquatic/terrestrial salt/freshwater What are the characteristics of these ecosystems? How is mangal important to marine ecosystems?. Definitions:. Mangrove

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Mangrove /Mangal

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  1. Mangrove /Mangal Diversity

  2. Questions: • Why are trees found in some ocean boundaries? • Aquatic/terrestrial • salt/freshwater • What are the characteristics of these ecosystems? • How is mangal important to marine ecosystems?

  3. Definitions: • Mangrove • A type of tree that tolerates variation in inundation and salinity • Mangal • A community (set of species) on the marine fringe • Dominated by a special set of salt-tolerant trees • Includes many other, associated species, both of terrestrial and marine origins

  4. Characteristics: very low wave action, with silty substrates (sometimes sand)

  5. Extent: 2/3 – 3 /4 of tropical shores were fringed with mangal

  6. Tidal flux limits mangal distribution: mangal may reach 5 km inland or 300 km upriver (New Guinea)

  7. Sandy substrate in low energy environments

  8. Low relief, extensive mangal in NW Australia

  9. Rhizophora

  10. Black Mangrove pneumatophores

  11. Rhizophora stilt roots

  12. Sonneratia buttresses: muddy substrate

  13. Spreading roots stabilize

  14. Red mangrove leaves

  15. Red mangrove flower

  16. Red mangrove, incipient fruit

  17. Red mangrove, viviparous

  18. Red mangrove, floating embryos

  19. Red mangrove, seedling

  20. Red mangrove, sapling

  21. Red mangrove, hammock

  22. Black mangrove, local disturbance

  23. Mangal, large-scale disturbance

  24. Mangal, regeneration

  25. Mangal, mature and tall trees – Cairns, Australia

  26. Mangrove zonation

  27. Zonation, continued

  28. Jellyfish

  29. Colonial tunicates

  30. Herbivorous snails

  31. Mangrove snail

  32. Mangrove spider

  33. Crab

  34. “Walking” fish

  35. Red Tide effects

  36. Large consumers – links with terrestrial habitats

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