Chapter 10 Flashcards
What is a major reason that countries resist removing subsidies for environmentally harmful forestry practices?
Prices may increase.
We can all help sustain terrestrial biodiversity through various measures. Which of the following methods is least effective in sustaining biodiversity?
Eliminate local plants from your household garden.
Overgrazing can be a problem because it causes grasses to be damaged or killed.
True
Protected areas linking isolated reserves is a design called ____.
habitat corridors
If you were managing a preserve and needed to implement a plan to reduce the risk that people would be harmed by forest fires, what would be the best step to take?
Set small, contained surface fires in highest-risk forest areas.
In rotational grazing, small groups of grazers are confined to one area for a few days and then moved to a new location to protect the land.
True
Areas especially rich in plant species that are found nowhere else and are in great danger of extinction are called ____.
biodiversity hotspots
To study ways to prevent tropical deforestation, it is important to consider how international demand for palm oil has contributed to severe deforestation in ____.
Indonesia
Baobab and sequoia trees are found in old-growth forests.
True
Rehabilitation means turning a degraded ecosystem into a functional or useful ecosystem without trying to restore it to its original condition.
True
With only 2% of its forests remaining, which of the following countries has gone from tropical paradise to ecological disaster?
Haiti
Tropical forests in the Amazon basin and other South American countries are primarily being cleared or burned for ____.
cattle grazing and soybean plantations
The area along streams on which ranchers like to graze their cattle is called the ____.
riparian zone
Michael Rosenzweig suggests we need to learn how to share with other species the spaces we dominate. He calls this new form of conservation biology ____.
reconciliation ecology
Forests provide habitats for about ____ of the earth’s terrestrial species.
Two-thirds
To reduce the risk of overgrazing, it is especially important to pay attention to ____.
riparian zones
Because large natural areas are more beneficial than smaller ones, Costa Rica has created large megareserves by combining smaller protected areas.
True
Primary forest is uncut or regrown forest that has not been seriously disturbed by human activities or natural disasters for at least 200 years.
True
Unfenced grasslands in tropical and temperate climates that supply forage for grazing animals are called ____.
rangeland
Which of the following is a method of grassland restoration?
NOT Removal of native grasses to reduce growth
To produce paper without needing to cut down trees, you could change your source to ____.
hemp
Tropical forests affect their environment by ____.
releasing moisture that contributes to rainfall
Four of the five listed outcomes are problems in National Parks. Choose the one that is the exception.
Agricultural runoff
Parks can be affected by surrounding disruption, such as noise.
True
