Biomes (AQA A-Level Geography): Flashcards
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10 cards from this deck
Definition of a biome
Definition of a biome
Large area w/ distinctive plants/animals at climatic climax stage
3 main factors shaping biome patterns
3 main factors shaping biome patterns
Climate conditions, topography (landscape), soil characteristics
Primary control on biome distribution
Primary control on biome distribution
Climate (especially temperature and precipitation)
Number of major terrestrial biomes globally
Number of major terrestrial biomes globally
11 major terrestrial (land-based) biomes
2 variables in Whittaker diagram
2 variables in Whittaker diagram
Mean annual temperature and annual precipitation
Latitude range of tropical evergreen forests
Latitude range of tropical evergreen forests
10° north and 10° south of the Equator
Temperature range in tropical evergreen forests
Temperature range in tropical evergreen forests
24-28°C with minimal seasonal variation
Precipitation in tropical evergreen forests
Precipitation in tropical evergreen forests
Wet all year round, no distinct dry seasons
Why tropical forests have high rainfall
Why tropical forests have high rainfall
Strong convection lifts warm, moist air producing regular rain
Proportion of equatorial forests in Amazon basin
Proportion of equatorial forests in Amazon basin
Approximately one-third of world's remaining equatorial forests