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Return to An Introduction to Conservation Biology 2e Student Resources
Chapter 11 Chapter Quiz
Restoration Ecology
Quiz Content
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Beginning in 1936, a group of faculty at the University of Wisconsin-Madison Arboretum undertook the first modern ecological restoration. They surveyed the state, made a list of the native species in existing tallgrass prairies, and replanted those species onto a former horse pasture, restoring the original prairie. This is an example of which approach to restoration ecology?
Passive restoration
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Rehabilitation
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Partial restoration
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Complete restoration
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An abandoned industrial site on the outskirts of an urban area has soil polluted with toxic chemicals, and essentially no life. The group in charge of improving the site plans to remove the top soil layers to get rid of the toxic chemicals. They will replace it with clean soil. Then, they will choose several species of plants that are attractive and resilient, but not necessarily native. The approach being used to improve this site is best described as
passive restoration.
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rehabilitation.
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partial restoration.
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complete restoration.
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Restoration of closed landfills often have which type of impact on the community?
They add public parks with recreational and other facilities.
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They add new areas for heavy industry.
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They add new residential areas.
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They decrease property values and increase human impact.
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The Cambrian Wildwood, in Wales, is a community-driven project with the goal of restoring native habitats and lost native animals, including the pine marten, red squirrel, wild boar, and beaver. Eventually, it will consist of 7,500 acres (3,000 ha), either purchased or involving partnerships with landowners. The area will have trails and camping areas. Which aspect of the Cambrian Wildwood best defines it as a rewilding project?
Its large size
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Its trails and camping areas
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Its goal of restoring native animals
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Its goal of restoring native animals
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Biological control would likely be beneficial in all of these situations
except
where
an exotic species has taken over an environment and is out of control.
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an oil spill has occurred in a local marsh and marsh life is being poisoned.
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a pest insect has a population explosion and its natural enemies are overwhelmed.
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an insect is ravaging a monoculture corn crop and few natural enemies are present.
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A person who would probably
not
favor a plan to restore an ecosystem containing many exotic and introduced species is a person who
advocates that restoration should only apply to native ecosystems.
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is more concerned about ecological function than about specific species.
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feels that restoration of an ecosystem to an ideal original state is impossible.
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feels that novel ecosystems can be managed to maximize ecosystem services.
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Conservationists have spent much time and effort trying to restore both prairies and wetlands. Which of these statements would most likely refer to a restored prairie, rather than a restored wetland?
The restoration involved reversing the causes and consequences of cultural eutrophication.
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The restoration involved restoring the hydrology of the area before species could be restored.
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The restored system mimics the functions, but not the species composition, of the original community.
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The restoration required only a few years to complete, and the resulting ecosystem has a species composition similar to the original.
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A group of conservationists wishes to restore a degraded agricultural area to its original native prairie. Before determining how the restoration will be done, what is one of the first decisions the group will have to make?
Should they plant native or exotic species?
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What target time period should they seek to restore?
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What types of fertilizers and pesticides should they use?
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What types of tourist attractions should they allow?
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A scientist involved in a stream restoration project wants to measure the success of the project in terms of its human dimensions rather than its ecological benefits. For example, rather than number of restored stream miles or increased biodiversity, she would measure factors such as how much foot traffic the area would get or how many feet of stream would become accessible to people. According to the concept of biocultural restoration, this change would likely result in
a change from valuing ecological services to valuing economic principles.
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a change from valuing ecological principles to valuing cultural principles.
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increased environmental literacy and participation in environmental issues.
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increased pollution and degradation of the stream environment.
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Complete restoration of ecosystems may become
less
likely in the future because
climate change will prevent the complete restoration of ecosystems to their pristine state.
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restoration ecology is new, and methods have not been developed for complete restoration.
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excessive damage by humans makes it unlikely that most ecosystems can be completely restored.
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completely restored ecosystems do not have high enough biodiversity to make them worth the expense.
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