Describe and comment on the relationships shown between population, resources and pollution in this model. (10)
The model shown demonstrates the complex relationship between population and the environment in terms of resource use and impacts of this. It incorporates a number of feedback mechanisms or loops, both positive and negative; positive being those which destabilise a system, and negative being those which regulate a system. These feedback mechanisms have a number of outcomes, both favourable and unfavourable.
Answer covers-
-Saudi Arabia’s population boom due to discover and use of oil resources
- Water insecurity due to chemical waste caused algae bloom in China’s Lake Taihu
- Ethiopia’s 1984 famine and Malthus’s positive checks and carrying capacity
- the IPAT equation
-Boserup- the Green Revolution and GM crops
The model shown demonstrates the complex relationship between population and the environment in terms of resource use and impacts of this. It incorporates a number of feedback mechanisms or loops, both positive and negative; positive being those which destabilise a system, and negative being those which regulate a system. These feedback mechanisms have a number of outcomes, both favourable and unfavourable.
Answer covers-
-Saudi Arabia’s population boom due to discover and use of oil resources
- Water insecurity due to chemical waste caused algae bloom in China’s Lake Taihu
- Ethiopia’s 1984 famine and Malthus’s positive checks and carrying capacity
- the IPAT equation
-Boserup- the Green Revolution and GM crops
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