Exam 9: Sustaining Biodiversity: the Ecosystem Approach

In a forest ecosystem, occasional ____________________ fires have a number of ecological benefits.

According to environmental writer Bill McKibbin, "the great environmental story of the United States, and in some ways, the whole world" is the

Using the graph pictured below that shows the tons of cod catch in the North Atlantic from 1900 on, match the appropriate letter with the description given. -What point on the graph represents the fish catch after the use of bottom trawlers was established?

All of the following statements about Wangari Maathai's tree planting program in Kenya are true except

Biocultural restoration refers to

Using the graph pictured below that shows the tons of cod catch in the North Atlantic from 1900 on, match the appropriate letter with the description given. -What point on the graph represents the year when 20,000 fishermen and fish processors lost their jobs?

According to your textbook, the biggest problem for U.S. a.national and state parks today is

Fishing nets can be designed to minimize by catch and allow escape of seabirds and turtles.

Explain both the positive and negative aspect of the Smokey the Bear educational campaign.

Commercial forests have the same biodiversity as old-growth forests.

Conservation biologists want the protection of at least ____ of the Earth's land.

The wolf reintroduction was based partly on its importance as a(n)

E.O. a.Wilson said we might as well go ahead and log the world's remaining old growth forests.

Definite priorities for protecting the world's remaining ecosystems and species have been proposed by ____________________.

Which of the following would be part of an ecosystem approach to preventing premature extinction of wild species?

The majority of deforestation on the planet that has been caused by human activities has occurred since ____________________.

In the northwest Atlantic Ocean, a domino effect after cod and sharks fisheries were fished out caused the loss of

Forest fires cause the germination of seeds of certain tree species.

One suggestion for sustainably managing fisheries is to use wide-meshed nets for harvesting fish caught with nets. a.This would allow escape of ____________________.

Scientists estimate that coastal habitats may be disappearing up to 10 times faster than tropical forests.