The number and variety of living species found in a specific area
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Bleaching
Degradation of coral reefs under conditions of increased acidity in sea water
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Climate Change
Long-term changes in temperature and precipitation
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Continental Shelf
The submerged edge of a continental land mass
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Coral Reef
A hard stony ridge, just above or below the surface of the sea. Formed by the external skeletons of millions of tiny creatures called polyps
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Ecotourism
Holidays in natural areas where people can gain an understanding of and often help with conservation and wildlife
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El Nino
Usually occurs in the Pacific Ocean every 3 to 7 years. Unusually warm ocean conditions off the western coasts of Peru cause climatic disturbances
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Estuaries
A river mouth that is wide and experiences tidal conditions
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Eutrophication
The loss of oxygen in water after too much nutrient enrichment has taken place
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Extinction
The permanent loss of something, generally used with reference to species of plants or animals
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Food web
An illustration of the grouping of animals and plants found in an ecosystem, showing the sources of food for each organism
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Habitat
An animal or plant’s natural home
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Mangrove Swamp
A tidal swamp dominated by mangrove trees and shrubs that can survive in the salty and muddy conditions found along tropical coastlines
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Marine ecosystems
A web of organisms that live in the ocean or a part of an ocean
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Nutrient cycling
A set of processes whereby organisms extract minerals necessary for growth from soil or water, before passing them on through the food chain and ultimately back to the soil and water
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Overfishing
Taking too many fish from the water before they have had chance to reproduce and replenish the stocks for the next generation
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Participatory Planning
This is where all stakeholders are involved or have been consulted in the scheme
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Pollution
The presence of harmful substances which can have poisonous effects on the environment
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Run-off
Water that flows directly over the land towards rivers or the sea after heavy rainfall
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Sea level rise
The increase in the level of the sea, relative to the land
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Siltation
The deposition of silt (sediment) in rivers and harbours
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Other cards in this set
Card 2
Front
The number and variety of living species found in a specific area
Back
Biodiversity
Card 3
Front
Degradation of coral reefs under conditions of increased acidity in sea water
Back
Card 4
Front
Long-term changes in temperature and precipitation
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