Exam 9: Sustaining Biodiversity - the Ecosystem Approach

arrow
  • Select Tags
search iconSearch Question
flashcardsStudy Flashcards
  • Select Tags

Describe the buffer zone concept for designing and managing nature reserves.

(Essay)
4.9/5
(32)

About 40% of the earth's land area (not including Antarctica)is protected as nature reserves,parks,or wilderness areas.

(True/False)
4.7/5
(31)

Overfishing is an example of the tragedy of the commons.

(True/False)
4.9/5
(29)

Which common problem of U.S.cities is now an issue in United States national parks?​

(Multiple Choice)
4.7/5
(30)

​Reintroduction of the wolf eventually reduced attacks on domestic cattle by what other species?

(Multiple Choice)
4.9/5
(42)

The zone of a biosphere reserve where there would be little,if any,disturbance from human activities would be the ____.​

(Multiple Choice)
4.8/5
(35)

It can be said that coastal habitats are actually ____.​

(Multiple Choice)
4.9/5
(35)

List three ecosystem services or economic services provided by forests.

(Essay)
4.7/5
(37)

Costa Rica now has very low biodiversity.

(True/False)
4.8/5
(30)

According to the National Park Service,____ degrades scenic views in many U.S.national parks more than 90% of the time.​

(Multiple Choice)
4.9/5
(32)

A program called a debt-for-nature swap makes it financially attractive for countries to protect their tropical forests.

(True/False)
4.9/5
(43)

When managed properly,ecotourism can be a useful form of reconciliation ecology,but without proper controls,it can lead to degradation of popular sites if visitors overrun them.

(True/False)
4.8/5
(38)

____ involves confining cattle with portable fencing to one area for a few days and then moving them to a new location.​

(Multiple Choice)
4.8/5
(41)

After the number of wolves declined in Yellowstone National Park,____.​

(Multiple Choice)
4.9/5
(42)

____________________ occurs when too many animals graze for too long,damaging the grasses and their roots,and exceeding the carrying capacity of a rangeland area.

(Short Answer)
4.8/5
(27)

What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?​

(Multiple Choice)
4.9/5
(42)

Since we began burning fossil fuels in large quantities during the Industrial Revolution of the 18th and 19th centuries,there has been a ____ in the average acidity of surface ocean water.​

(Multiple Choice)
4.9/5
(49)

Managed grasslands or fenced meadows often planted with domesticated grasses or other forage crops such as alfalfa and clover are called ____________________.

(Short Answer)
4.8/5
(37)

What could governments do regarding deforestation to be consistent with the full-cost pricing principle of sustainability?​

(Multiple Choice)
4.7/5
(38)

____________________ is the most efficient and sometimes least-costly way to cut trees and it provides benefits for land-owners and timber companies,but it can also harm an ecosystem by causing increased erosion,sediment pollution of nearby waterways,and losses in biodiversity.

(Short Answer)
4.8/5
(39)
Showing 21 - 40 of 100
close modal

Filters

  • Essay(0)
  • Multiple Choice(0)
  • Short Answer(0)
  • True False(0)
  • Matching(0)