This is affected by latitude, season, cloud cover and changes in the Earth's orbit.
1 of 7
Climate
This includes rainfall, temperature and wind exposure.
2 of 7
Topography
This includes altitude, slope, aspect (direction that the land faces) and drainage.
3 of 7
Oxygen availablity
This is most important in aquatic systems. Fast flowing rivers are often better oxygenated than stagnant pools.
4 of 7
Edaphic factors
These are connected to the soil and include soil pH, mineral salt availability and soil texture. Sandy soils dry out quickly in a drought but are rarely waterlogged in wet weather. The opposite is clay which retains water well.
5 of 7
Pollution
Of air, water or land.
6 of 7
Catastrophes
These are infrequent events that disturb the conditions such as earthquakes, fires, floods and volcanic eruptions.
7 of 7
Other cards in this set
Card 2
Front
This includes rainfall, temperature and wind exposure.
Back
Climate
Card 3
Front
This includes altitude, slope, aspect (direction that the land faces) and drainage.
Back
Card 4
Front
This is most important in aquatic systems. Fast flowing rivers are often better oxygenated than stagnant pools.
Back
Card 5
Front
These are connected to the soil and include soil pH, mineral salt availability and soil texture. Sandy soils dry out quickly in a drought but are rarely waterlogged in wet weather. The opposite is clay which retains water well.
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