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7492377
Tropical Rainforest
Descrição
Year 10 Geography Mapa Mental sobre Tropical Rainforest, criado por Mia Clement em 30-01-2017.
Sem etiquetas
geography
year 10
Mapa Mental por
Mia Clement
, atualizado more than 1 year ago
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Criado por
Mia Clement
mais de 7 anos atrás
12
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0
Resumo de Recurso
Tropical Rainforest
Located Example - Amazon Rainforest
It consists of one-third of the planet's remaining tropical rainforest.
It provides resources for people locally and worldwide, including food, water, timber and medicines
It is home to a diverse range of plants and animals, with over 13,000 bird and 40,000 plant species.
Sustainable Management
Government Policies (governance) - Brazil
National Forests belong to the state, but government can grant timber companies concessions to manage certain areas
31 National Forests covering 16 million hectares - an are larger than England
Biodiversity survey must be carried out before logging, to establish which areas need protection
Commodity value
In parts of the Amazon (e.g. Paragominas) timber firms are realising that undamaged forest is a commercial asset and can yield sustainable income
'Sustainable management' or 'reduced-impact logging' (RIL) can be more profitable than 'clear all' methods of timber extraction.
RIL is up to 12% cheaper than conventional logging
Conventional logging
The TRF is fragmented and species become endangerd
For every tree cut down, 10-20 others are damaged
Reduced-impact logging
Selective matures trees cut down
'Seed' trees are left to help quicker regrowth
Direction of falling trees calculated to reduce damage to other trees.
Less fragmentation and quicker regeneration
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