Abstract：
:Accurate procedures that measure hydrologic variability would have great value for evaluating ecosystem impacts of upstream water use in the Colorado River Basin. Many local extractive income-based stakeholders rely directly or indirectly on ecosystem health and are adversely affected when the river does not flow. This study focuses on the impact of little or no Colorado River flow on the Mexican shrimp industry. Although there have been complaints that U.S. diversions of Colorado River flow have greatly impaired the shrimp fishery, this research demonstrates that freshwater rarely reaches the Gulf even during times of flooding, and that other factors such as overfishing may influence the instability of shrimp populations. Advanced very-high-resolution radiometer (AVHRR) satellite imagery was used to assess water volumes diverted away from the channel of the Colorado River and ultimately the Gulf of California during flooding periods. Analysis of data demonstrated that little freshwater actually reaches the Gulf even during floods because of its diversion into a large dry lake bed basin known as Laguna Salada. Fuller use of the Colorado River throughout its entire course to the sea is possible and could benefit a large cohort of users without catastrophic habitat destruction in delta ecosystems. Reconstruction of a natural earthen berm, as proposed by Ducks Unlimited, would maximize the use of floodwaters for ecosystem benefits. These findings have profound implications for local economic activities dependent on hydrologic resources in the Colorado River Delta and Upper Gulf.
journal_name
Environ Managejournal_title
Environmental managementauthors
All JDdoi
10.1007/s00267-004-0184-9keywords:
subject
Has Abstractpub_date
2006-01-01 00:00:00pages
111-25issue
1eissn
0364-152Xissn
1432-1009journal_volume
37pub_type
杂志文章abstract：:Mining-contaminated sites and the affected communities at risk are important issues on the agenda of both researchers and policy makers, particularly in the former communist block countries in Eastern Europe. Integrated analyses and expert based assessments concerning mining affected areas are important in providing s...
journal_title：Environmental management
pub_type： 杂志文章
doi：10.1007/s00267-008-9245-9
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journal_title：Environmental management
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doi：10.1007/s00267-014-0410-z
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journal_title：Environmental management
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doi：10.1007/s00267-008-9116-4
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更新日期：2004-11-01 00:00:00
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pub_type： 杂志文章
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更新日期：2016-03-01 00:00:00
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pub_type： 杂志文章
doi：10.1007/s00267-014-0241-y
更新日期：2014-04-01 00:00:00
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doi：10.1007/s00267-014-0337-4
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更新日期：2001-04-01 00:00:00
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pub_type： 杂志文章
doi：10.1007/s00267-012-9911-9
更新日期：2012-10-01 00:00:00
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