Conservation value and water management issues of the wetland and riparian habitats in the colorado river delta in Mexico

Michael Cohen, Edward P. Glenn, Jason Morrison, Robert J. Glennon

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Scopus citations

Abstract

Human activity has disrupted most of the world’s large river ecosystems. Arid rivers are especially at risk due to their modest base flows and the many human demands on their waters. An example is the Colorado River, which is a major source of water for the desert region of the southwest U.S., northwestern Mexico, and the southern California coastal plain. Approximately 23 million people now use Colorado River water (Morrison et al., 1996). The delta of a regulated river system, below the last dams and diversions, is the natural collecting place for wastewaters and surplus flows exiting the watershed. The delta is the depositional section of the river, where the reduction in grade broadens the floodplain and permits the expansion of wetland and riparian habitats. It is also the mixing zone with the ocean, which is enriched by brackish and freshwater sources from land. River deltas may retain natural functions that have disappeared from upstream stretches. That is certainly true of the Colorado River delta, which supports a large riparian habitat (Glenn et al., 1996, 1999; Valdes-Casillas et al., 1998, 1999). The Colorado River delta is a binational resource, located mainly in Mexico, yet supplied primarily by water from the U.S.

Original languageEnglish (US)
Title of host publicationManaging for Healthy Ecosystems
PublisherCRC Press
Pages1135-1145
Number of pages11
ISBN (Electronic)9781420032130
ISBN (Print)9781566706124
StatePublished - Jan 1 2002

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Environmental Science(all)

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    Cohen, M., Glenn, E. P., Morrison, J., & Glennon, R. J. (2002). Conservation value and water management issues of the wetland and riparian habitats in the colorado river delta in Mexico. In Managing for Healthy Ecosystems (pp. 1135-1145). CRC Press.