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;
32 Cards in this Set
- Front
- Back
|
"Edge effects" are a particular problem when ________. |
formerly large habitats are reduced to small fragments |
|
|
Clear-cutting ________. |
removes all trees from an area |
|
|
Concessions granted by developing nations allow ________. |
timber extraction by foreign multinational corporations |
|
|
Controlled burns would be used in forests ________. |
that are subject to severe wild fires to remove fuel load and stimulate new growth |
|
|
Deforestation ________. |
has the greatest impacts in tropical areas and arid regions |
|
|
Ecosystem-based timber harvesting uses methods that ________. |
leave seed-producing or mature trees uncut to provide for future forests |
|
|
Fire history in an open pine woodland ecosystem would be best determined by ________. |
tree ring scars |
|
|
Forests reach their greatest ecological complexity when ________. |
they are mature and exhibit a multi-level canopy |
|
|
In the United States, most logging takes place in ________. |
conifer forests in the west and pine plantations in the south |
|
|
Land trusts are ________. |
private nonprofit groups |
|
|
Most commercial logging today takes place in ________. |
Canada, Russia, and Brazil |
|
|
Most of the world's forests occur as ________. |
taiga and rainforest |
|
|
Paper parks are ________. |
areas protected on paper but not in reality due to lack of funding |
|
|
Second-growth forests ________. |
are forests that establish themselves after virgin timber has been removed from an area |
|
|
The "roadless rule" ________. |
prohibits new road construction in national forests and was reinstated in 2009 |
|
|
The Forest Stewardship Council ________ national forest land. |
has rigorous standards to certify that forest products are produced sustainably |
|
|
The National Forest Management Act ________ national forest land. |
was passed in 1976 with the intent to ensure multiple use and sustainable yield of |
|
|
The SLOSS dilemma involves controversy over ________. |
habitat fragmentation and preserve design |
|
|
The U.N. F.A.O has demonstrated that forest loss has slowed but ________. |
we still lose forests at the rate of 5.2 million ha/yr |
|
|
The first national park was ________. |
Yellowstone |
|
|
The forests in the Upper Peninsula of Michigan from which your text book was made are ________. |
harvested using ecosystem-based management |
|
|
The latest information tells us that salvage logging ________. |
tends to produce more severe wildfires |
|
|
The program Reducing Emissions from Deforestation and Forest Degradation (REDD) ________. |
gives wealthy nations carbon-offsets if they pay poorer nations to conserve forests |
|
|
If forests are strictly managed according to the maximum sustainable yield model, some biodiversity may sill be lost because ________. |
species whose habitat depends on mature trees in the top canopy layer will be excluded |
|
|
Many forest resource managers aim to maintain resource populations at the position named in the question above because it ________. |
delivers the maximum sustainable timber yield |
|
|
Most forest resource managers aim to maintain resource populations ________ of the pictured curve. |
in the middle |
|
|
The arrow at the top right of the graph represents the ________. |
equilibrium point where births in the population equal deaths |
|
|
Why do developing nations impose few or no restrictions on logging? |
They are desperate for economic development. |
|
|
Wilderness areas ________. |
are off-limits to development of any kind but are open to low-impact recreation |
|
|
________ are replacing primary forests in much of southeast Asia |
oil palm plantations |
|
|
________% of Earth's land area is currently covered by forest. |
30 |
|
|
AY |
dfsfdf |
