Across
- 4. The release of animals from captivity where they are provided with post-release support such as food.
- 8. A measure of the reflectivity of a surface
- 10. Embankments that absorb and deflect noise, especially around mines, airports and major roads.
- 11. The process of creating habitats that are similar to the conditions present before the natural habitat was changed by human actions.
- 13. Winds that blow around the north and south poles in a circular manner which reduce the mixing of polar air masses with the rest of the atmosphere.
Down
- 1. An organism that thrives in conditions with a high salt concentration.
- 2. Geological processes that change the form of a rock with heat and/or pressure, but without melting it.
- 3. The 3D shape of the land surface.
- 5. One of the first species to colonise an area at the start of ecological succession.
- 6. A habitat that links other habitats so that animals can move between them.
- 7. A wetland area with an accumulation of dead plant material, especially moss.
- 9. A large geographical region with particular climatic features, in which a characteristic, unique community of species lives eg Taiga, coral reefs, temperate grasslands, tundra, tropical rainforest
- 12. The industrial process that combines nitrogen from air with hydrogen from natural gas to produce ammonia.