Conservation and Stewardship SNC1D

Conservation: protecting the natural state of the environment Stewardship: taking responsibility for managing and protecting the environment Example: In many areas, deer populations are over carrying capacity and have been destroying their environment. The populations have been controlled by managed hunts or the re-introduction of predators like wolves. Stewardship is necessary for preserving our natural resources for future generations.

Natural resource: a source of wealth in the natural environment, such as fresh water, minerals, or forests

Natural resource: a source of wealth in the natural environment, such as fresh water, minerals, or forests The Forest Stewardship Council logo appears on products that have come from responsibly-managed forests.

Canada has 10% of the world’s forests and is the world’s largest exporter of forest products.

There are two different types of trees:

There are two different types of trees: softwood – coniferous trees (e.g. pine)

There are two different types of trees: softwood – coniferous trees (e.g. pine) hardwood – broad-leaved trees (e.g. oak, maple)

Clear-cutting: used for shade-intolerant trees (e. g Clear-cutting: used for shade-intolerant trees (e.g. spruce), removing all the trees in a strip, leaving debris like stumps and branches to restore nutrients.

Clear-cutting is easy, efficient, and cheap but most likely to cause damage,

Clear-cutting is easy, efficient, and cheap but most likely to cause damage, not only from habitat loss but also because of soil erosion and water runoff.

Shelterwood: used with mid-tolerant trees (e. g Shelterwood: used with mid-tolerant trees (e.g. oak), removing trees in stages over a short time.

Selection: used for shade-tolerant hardwood forests (e. g Selection: used for shade-tolerant hardwood forests (e.g. maple), removing over-mature and poor-quality trees A selection-harvested maple forest