Predicting Invasions of Nonindigenous Plants and Plant Pests (2002) / Chapter Skim
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1 Introduction
1 Introduction
Pages 14-18
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From page 14... ...
Nonindigenous species that threaten plant performance, survival, and reproduction are referred to as plant pests; they include insects and other arthropods, microorganisms, and plants. Over the history of the United States, plant pests have left their mark on the national landscape, spreading into natural areas (as has the invasive tree Melaleuca quinquenervia in the Everglades)
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From page 15... ...
TROUBLE ON THE BORDER The Animal and Plant Health Inspection Service (APHIS) of the United States Department of Agriculture (USDA)
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From page 16... ...
Risk assessments are less reliable when it is not known which species might accompany a commodity or when known organisms are likely to be present but have an unknown capability to invade ecosystems and to harm plants in the United States. Even when much is known about the biological characteristics of a species in its native range, it can be difficult to predict the results of its entry into a new range.
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From page 17... ...
BANR established the Committee on the Scientific Basis for Predicting the Invasive Potential of Nonindigenous Plants and Plant Pests in the United States, which comprises experts in invasive plants, plant pathology, entomology, horticulture, risk assessment, ecology, and population biology. The committee was charged to consider the available relevant historical and scientific data on plant, pathogen, and arthropod invaders and on the characteristics of plants that facilitate or impede invasions and to prepare a report that evaluates how scientific principles and procedures could be used to predict the invasive potential of nonindigenous plant pests.
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From page 18... ...
This report focuses on the threats of introduced plant pests to the plant resources of the United States. It does not explicitly include genetically modified organisms, although much of the same analysis would be relevant.
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