Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
9 Cards in this Set
- Front
- Back
|
Clear cut |
Cheapest and fastest method. Every tree is removed leaving a barren landscape. |
|
|
Strip-cut |
Clear cutting Only parts of an old growth forest. Small seeds of bearing trees are left to regenerate area. |
|
|
Selective cutting |
Only mature trees, the least disruptive method, costly. |
|
|
Causes of Deforestation |
Agricultural and urban sprawl are two main causes. |
|
|
Threats to our forest? Examples? |
Insects and diseases: spruce budworm, tent caterpillars, gypsy moth, mountain pine beetle.
Forest fires: normal life cycle (seeds need heat to open) 48% caused by lightening, 52% caused by humans.
Acid rain: Air pollution from factories contribute to acid rain. |
|
|
What are coniferous trees? Examples |
Come bearing trees with needle like leaves Examples; pine ,spruce, balsam, etc |
|
|
What are deciduous trees? Examples |
Loses leaves every winter or year. Examples: white birch, oak, elm, etc. |
|
|
What provinces are not found with pulp and paper production? |
PEI and concentrated in quebec |
|
|
Leader of lumber production in Canada |
BC, QUEBEC AS SECOND. |
