A-Level Geography Ecosystem Notes

A powerpoint containing information on: Ecosystems Definitions and keywords The source (the Sun) Biotic and abiotic Open systems Photosynthesis Gersmehl diagrams Trophic levels Efficiency Food chains Pyramid of numbers Energy

A powerpoint containing information on: Psammoseres (sand dunes) How they are made Succession Vegetation succession Embryo, fore, yellow and grey dunes Dune slacks Mature dunes The case study for sand dunes included is Studland bay and describes the characteristics of this specific bay.

A powerpoint containing information on: Temperate deciduous woodland biomes Characteristics Locations Stratification Different seasons creating different climates Threats to the woodland Soil The case study included is Seccombe's Wood, Guildford. Includes characteristics, biodiversity, the size an...

A powerpoint containing information on: Plagioclimaxes Heather moorland Ecosystem development The importance of heather moorland Muir burning Heather ecosystem Moorlands succession Moorland in decline The case study included is the North York Moors, Yorkshire. It describes the moorland, it's chara...

A 45-slide powerpoint containing information on: Tropical rainforests Location Climate characteristics Stratification Plant and animal adaptations (including examples) Soil (latosol) Human activity Deforestation and its causes Impacts of deforestation Management The case studies included are The ra...

A powerpoint containing information on: Urban niches Key terms Urbanisation habitats Influences on colonisation Colonisation of wasteland Succession Ecologies along pathways Introduction of new species Planned and Unplanned species (with examples) Gardens and parks Changes in the Rural-Urban Fringe

A powerpoint containing information on: Keywords Impact of humans on the natural environment (examples) Limits to growth Biodiversity action plans (BAP's) Human activity influencing biodiversity Fragile Environments The case study included is the Serengeti National Park and the Ngorongoro Conserva...