Lesson 1 Marine Ecosystems
Factors that influence all ecosystems• Abiotic Factors               • Biotic Factors   –   pH                          – ...
Coral Reefs• Most biodiverse marine  ecosystem  – Biodiversity =health of    ecosystem
Abiotic Factors• Abiotic factors  – Temperature: Tropical  – Shallow waters: Availability of light  – Wave action  – Nutri...
Biotic Factors• Mutualistic relationship  – Corals = animals  – Zooxanthellae:    zooplankton     • Can’t live without    ...
• Forms basis of  community that  provides food and  shelter to all other  organisms
Location of World’s Coral Reefs
Types of Reefs• Fringing Reefs- directly  borders landmass:   – Ex. Cayman Islands• Barriers Reefs:  separated from  landm...
Threats to Reefs1.    Coral Bleaching : (take notes)      http://www.youtube.com/watch?      v=7EGvE5mTxRI&safety_mode=tr ...
What is an estuary?• Partially enclosed body of water that is open  to the sea/ocean(salt h2o) and has rivers and  streams...
Has characteristics of BOTH marine    and Freshwater environments• Marine characteristics   • Freshwater characteristics  ...
What is a salt marsh?• Type of estuary  – Located in the intertidal zone between land and    salt/brackish water  – Domina...
Plant Succession
Genus Species-Spartina Alterniflora-Common Name-”SmoothCordgrass”
Genus Species- Spartina patensCommon Name- saltmeadow cordgrass
Genus species- Salicornia virginica  Common name-Pickleweed
Genus species- Batis maritima Common Name- turtleweed
Genus- JuncusCommon Name- Rush
Terrestrial Animals- Birds
Intertidal animals-Fiddler Crab
Fish species
Lesson 1 marine ecosystems
Lesson 1 marine ecosystems
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Lesson 1 marine ecosystems

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Lesson 1 marine ecosystems

  1. 1. Lesson 1 Marine Ecosystems
  2. 2. Factors that influence all ecosystems• Abiotic Factors • Biotic Factors – pH – Organisms – Salinity • Predators/prey/ parasites – Dissolved Oxygen – Turbidity – Lat/Long. – Observation of weather – Temperature – Light – Waves/Tides
  3. 3. Coral Reefs• Most biodiverse marine ecosystem – Biodiversity =health of ecosystem
  4. 4. Abiotic Factors• Abiotic factors – Temperature: Tropical – Shallow waters: Availability of light – Wave action – Nutrient poor: why water is pretty blue in color= lacks nutrients• So why is it the most biodiverse ecosystem when there are so few nutrients available? – Symbiosis!!!! What is definition?
  5. 5. Biotic Factors• Mutualistic relationship – Corals = animals – Zooxanthellae: zooplankton • Can’t live without another. Coral give zooxanthellae N, P, and CO2 and zoo give corals carbohydrates
  6. 6. • Forms basis of community that provides food and shelter to all other organisms
  7. 7. Location of World’s Coral Reefs
  8. 8. Types of Reefs• Fringing Reefs- directly borders landmass: – Ex. Cayman Islands• Barriers Reefs: separated from landmass by a lagoon – Ex: Australia and Florida• Atolls: arise from deep water and have lagoon in center – Most in pacific islands
  9. 9. Threats to Reefs1. Coral Bleaching : (take notes) http://www.youtube.com/watch? v=7EGvE5mTxRI&safety_mode=tr ue&persist_safety_mode=1&safe =active2. Disease 1. Black band disease-caused by bacteria 2. White pox- killed 85% of Elkhorn corals in Keys 3. Others3. Human Impact 1. Coastal development = increased runoff (leads to algae blooms like red tides) 2. Activities: snorkeling/diving disturbing corals
  10. 10. What is an estuary?• Partially enclosed body of water that is open to the sea/ocean(salt h2o) and has rivers and streams(freshwater) running into it.
  11. 11. Has characteristics of BOTH marine and Freshwater environments• Marine characteristics • Freshwater characteristics – Salinity – Flow of freshwater – Tides – Flow of sediments (sand, – waves silt, gravel)
  12. 12. What is a salt marsh?• Type of estuary – Located in the intertidal zone between land and salt/brackish water – Dominated by salt tolerant plants – Important for environment • to the food web and export nutrients to water • Provide habitats for birds and other land animals • Serve as nurseries for juvenile fish • Protect coast from erosion from hurricanes
  13. 13. Plant Succession
  14. 14. Genus Species-Spartina Alterniflora-Common Name-”SmoothCordgrass”
  15. 15. Genus Species- Spartina patensCommon Name- saltmeadow cordgrass
  16. 16. Genus species- Salicornia virginica Common name-Pickleweed
  17. 17. Genus species- Batis maritima Common Name- turtleweed
  18. 18. Genus- JuncusCommon Name- Rush
  19. 19. Terrestrial Animals- Birds
  20. 20. Intertidal animals-Fiddler Crab
  21. 21. Fish species

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