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Primary Activites
Keywords
Term | Definition |
---|---|
Primary | economic activities which involve working directly with the Earth's rocks, soils and waters. |
Secondary | economic activities which involve making or manufacturing something. |
Tertiary | economic activities which involve providing a service that is useful to people. |
Natural resource | things provided by nature which are useful to people. |
Renewable resource | can be used over and over again. |
Non-renewable resource | something that cannot be replaced once used (e.g. oil gas and coal) |
Sustainable exploitation | resources are managed so that future generations will be able to use those resources. |
Exploitation | To make full use of something and get benefit from it. |
Irrigation | artificial watering of land. |
Raised bog | Deep bog, found in the midlands, 8 metres deep. |
Blanket bog | Shallow bod, found along the west coast, 3-4 metres deep. |
Ditcher | used to dig drains to dry out the bog. |
Grader | used to level the bog |
Miller | harvest the peat by scraping a loose this layer on top of the bog. |
Harrow | used to dry out the peat on the surface. |
Ridger | gathers the loose dry peat into ridges. |
Depletion | to decrease or reduce the quantity of something. |
Continental shelf | sea bed surrounding a continent, up to 200 metres deep. |
Plankton | micro-organisms that fish feed on. |
Quotas | a limit on the amount of fish that could be caught. |
Inputs | things needed to be put into the farm, e.g. cattle and tractors. |
Processes | tasks and jobs done by the farmer throughout the year on his farm, e.g. milking |
Outputs | produce of the farm and things the farmer sells, e.g. milk and vegetables. |
Arable | suitable for growing crops. |
Finite | having an end |
Mixed farm | a farm that grows crops and raises animals |
Net mesh size | the size of the holes in a fishing net |
Overfishing | to fish so much that fish stocks are reduced. |
Tillage | the production of crops. |