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| Registros recuperados: 11 | |
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| Adams, Damian C.; Lee, Donna J.. |
| The invasive aquatic plants Hydrilla verticillata (hydrilla), Eichhornia crassipes (water hyacinth), and Pistia stratiotes (water lettuce) have the potential to negatively impact recreational use of Florida lakes if consistent, adequate control expenditures are not made. In the mid-1990's, Florida significantly reduced its spending on invasive aquatic plant control measures, which resulted in a significant increase in needed control expenditures in subsequent years. This paper attempts to formalize a relationship between coverage of these invasive aquatic plants and angler effort on Florida lakes using data on 38 lakes over 20 years. Estimated regression coefficients are used to simulate control alternatives, and expenditure cost-benefit comparisons are... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Hydrilla; Water hyacinth; Water lettuce; Bioeconomic; Invasive; Control; Resource /Energy Economics and Policy. |
| Ano: 2005 |
URL: http://purl.umn.edu/19146 |
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| Boyd, James; Sanchirico, James N.; Shabman, Leonard A.. |
| Habitats and the services they provide are part of our nation's portfolio of natural capital assets. As for many components of this portfolio, it is difficult to assess the value of their services, and this complicates regulators' investment decisions, especially when the alternative use is measurable. The principal objective of this report is to suggest possible strategies for the National Marine Fisheries Service (NMFS) as it applies economic analyses and arguments in support of the agency's trustee responsibilities. Many approaches are possible, and as we discuss, the "right" strategy will depend on the questions asked, the resources available, and the agency's role in the consultation process. We discuss in detail bioeconomic modeling and ecosystem... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Bioeconomic; Ecological indicators; Ecosystem services; Resource /Energy Economics and Policy; Q20. |
| Ano: 2004 |
URL: http://purl.umn.edu/10904 |
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| Warziniack, Travis; Finnoff, David C.; Bossenbroek, Jonathan; Shogren, Jason F.; Lodge, David. |
| Herein we model the widespread dispersal and management of an invasive species as a weak-link public good. The risk of introduction is driven in part by economic activity, is influenced by policies directed at the risk, and economic activity responds/adapts to the risk. Framed around recent introductions and rapid spread of dreissenid mussels in the Western United States, we find three key results. First, partial equilibrium estimates of welfare loss are significantly overestimated relative to general equilibrium estimates. If ecosystem services and market goods are substitutes the partial equilibrium bias is greater than if they are compliments. Second, well-intended policies do not necessarily reduce overall risk; risk reduction actions can transfer risk... |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Bioeconomic; Invasive species; Risk; Weak-link; Welfare; Environmental Economics and Policy; Risk and Uncertainty; Q2; Q26; Q57. |
| Ano: 2010 |
URL: http://purl.umn.edu/60957 |
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| Registros recuperados: 11 | |
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