UNIT6:People and the environment

Nuria Sánchez Parra5º, CEIP García Bellido

OUTLINE• Terrestrial Ecosystems - Forest - Mountain Grasslands - Desert and steppes• Aquatic Ecosystems - Marine Ecosystems -Freshwater ecosystems• The enviorment• Protecting the enviorment

Terrestrial EcosystemsForest

Terrestrial EcosystemsMountain grasslands

Terrestrial EcosystemsDesert and steppes

Terrestrial Ecosystem

Forest (ecosystems wiyh many trees)

Mountain grassland(herbaceus)

Desert and steppes(herbaceus and

shrub)

Athlantic: humed climate and cool summers

Mediterranean: dry climate and warm summers

Humed climate with cold winters

Dry climate with hot summers

Aquatic EcosystemsMarine ecosystem: Sandy beaches

Aquatic EcosystemsMarine ecosystems: Rocky shores

Aquatic EcosystemsMarine Ecosystems: Open sea

Aquatic EcosystemsFreshwater ecosystem: River

Aquatic EcosystemsFreshwater ecosystem: lagoon

Videos• Aquatic ecosystems• Forest• Grassland• Pollution• Deforestation• Desertification

Aquatic ecosystem

Marine ecosystem ( saltwater ecosystems have high salinity)

Freshwater ecosystem (freshwater ecosystems have very low salinity)

Sandy beaches

Rocky shores

Open sea

Rivers

Lagoons

The environmentEffects of human activity on the environment:PollutionDeforestationDesertificationEndangered species

Pollution

Deforestation

Desertification

Endangered species

Effects of human activity on the environment

Pollution: The acumulation of rubbish and harmful substances in air, water and soil

Deforestation: Disappearance of forest

Desertification: The slow transformation of fertile soil into desert

Endangered species: The living things at risk of becoming extinct