topic 10 cont’d marine biomes. abiotic factors wind dissolved gases waves nutrient...
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Topic 10 cont’dTopic 10 cont’d
Marine BiomesMarine Biomes
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Abiotic FactorsAbiotic Factors
Wind Dissolved gases Waves
Nutrient availability Salinity and pH Depth
Pressure Temperature
Wind Dissolved gases Waves
Nutrient availability Salinity and pH Depth
Pressure Temperature
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Types of marine biomesTypes of marine biomes
Estuaries Intertidal zones Subtidal zones Coral reefs Open ocean Abyssal plains Hydrothermic vents
Estuaries Intertidal zones Subtidal zones Coral reefs Open ocean Abyssal plains Hydrothermic vents
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EstuariesEstuariesCoastal regions where freshwater rivers and streams flow into the ocean
Coastal regions where freshwater rivers and streams flow into the ocean
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Physical Characteristics of Estuaries
Physical Characteristics of Estuaries
Salinity- Can vary from
5 – 30 ppt Depth also
contributes to salinity (WHY?)
Salinity is not uniform (WHY?)
Salinity- Can vary from
5 – 30 ppt Depth also
contributes to salinity (WHY?)
Salinity is not uniform (WHY?) Temperature
- Can vary
hourly and seasonally also…WHY?
Temperature- Can vary
hourly and seasonally also…WHY?
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Dealing with Salinity Changes
Dealing with Salinity Changes
Organisms in the estuaries are normally euryhaline
osmoregulators
osmoconformers
Organisms in the estuaries are normally euryhaline
osmoregulators
osmoconformers
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Dealing with Salinity Changes
Dealing with Salinity Changes
Flowering plants either expel excess solutes, or concentrate solutes in specific tissues
Flowering plants either expel excess solutes, or concentrate solutes in specific tissues
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Communities within an Estuary
Communities within an Estuary
Open water in bays and tidal creeks
Open water in bays and tidal creeks
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Communities within an EstuaryCommunities within an Estuary
Saltmarsh The vegetated
area lining an estuary
Saltmarsh The vegetated
area lining an estuary
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Communities: MangrovesCommunities: Mangroves Found in tropical and subtropical coastal
areas Replace salt marshes in these areas
Found in tropical and subtropical coastal areas
Replace salt marshes in these areas
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MangrovesMangroves Mangrove forests provide
habitat for marine organisms such as invertebrates, fish, turtles, birds and marine mammals.
Mangrove forests provide habitat for marine organisms such as invertebrates, fish, turtles, birds and marine mammals.
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More on mangrovesMore on mangroves Adaptations Adaptations
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Worldwide Distribution of Saltmarshes and Mangrove
Forests
Worldwide Distribution of Saltmarshes and Mangrove
Forests
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Estuaries: ecological importance
Estuaries: ecological importance
High primary productivity High primary productivity
Carbon dioxide sink Carbon dioxide sink
Support high species diversity Support high species diversity
Nursery for marine organisms Nursery for marine organisms
Nesting/migration stopovers Nesting/migration stopovers
Erosion reduction/habitat Erosion reduction/habitat
Filtration Filtration
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Estuaries: economic importance
Estuaries: economic importance
Fishing industry Fishing industry
Recreational revenue Recreational revenue Property protection Property protection
Water filtration Water filtration
Aquaculture/mariculture Aquaculture/mariculture
Tidal power Tidal power Carbon sink Carbon sink
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Estuaries: human impactsEstuaries: human impacts Construction/development Construction/development Industrial businesses Industrial businesses
Agriculture/golf courses/lawns Agriculture/golf courses/lawns Dredging Dredging Oil drilling Oil drilling Overhunting Overhunting Boat traffic Boat traffic
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Protecting wetlandsProtecting wetlands
Federal Regulations Clean Water Act Migratory Bird
Conservation Act Marine Protection
Act
Federal Regulations Clean Water Act Migratory Bird
Conservation Act Marine Protection
Act
Economic incentives Reduce property
taxes on wetlands to promote maintaining
Fines for violating the federal regulations
Government subsidies for wetland preservation
Economic incentives Reduce property
taxes on wetlands to promote maintaining
Fines for violating the federal regulations
Government subsidies for wetland preservation
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Other Marine EcosystemsOther Marine Ecosystems
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Open Ocean Marine lifestyles
Open Ocean Marine lifestyles
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Hydrothermal Vent Hydrothermal Vent CommunitiesCommunities
Hydrothermal Vent Hydrothermal Vent CommunitiesCommunities