Forestry Pp284-295.

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Presentation transcript:

Forestry Pp284-295

Page 285 Canada’s forest regions

Economic Values Over 300 communities in Canada depend on forestry 195 000 direct jobs 5 500 people work in forestry in Newfoundland and Labrador Logging Pulp and paper Transportation Consulting companies

Economic values Canada exports about $24 billion worth of forest produces each year Most exports to USA Forest related tourism brings in billions each year…camping, hunting, resort hotels

Ecological Values Forests reduce soil erosion, recycle water, and control water flow. They act as a huge air filter, improving air quality by producing oxygen and absorbing carbon dioxide Forests act as carbon sinks storing carbon that would otherwise contribute to global warming. Urban forests help create cleaner air for 80% of Canadians who live in towns

Forest harvesting methods A million hectares are cut down each year in Canada Clear cutting Clear cutting- clearing all the trees at one time 90% are cut this way Costs less Safer Dessert like landscape Soil erosion Loss of biodiversity in variety of tree species and animals

Strip Logging A form of clear cutting in which long strips of land are cleared leaving some islands of forest intact Less disruptive to wild life Allows natural reseeding to take place Less soil erosion Strip logging

Shelterwood cutting Trees of same age Mature trees are cut, remaining trees provide shade for the growth of younger trees and seedlings When they regenerate the rest of the mature trees are cut

Selection cutting Different types of trees of various ages Used to remove diseased trees either individually or in a small group Usually left to regenerate naturally

Sustainable Forests A sustainable forest management plan is required for each district in NL and Lab. Harvesting operations need to be planned carefully thinking about sustainability

Ways to improve Forest Management 1. leave a band of forest around the shores of lakes and rivers, and avoid cutting on slopes to reduce erosion 2. reduce the size of clear cutting 3. set aside large enough areas of the forest to provide intact ecosystems for wildlife or seed reserves for future growth Read pp 292-294