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Publication Type J
Authors Glenn, EP; Nagler, PL; Brusca, RC; Hinojosa-Huerta, O
Author Full Name Glenn, EP; Nagler, PL; Brusca, RC; Hinojosa-Huerta, O
Title Coastal wetlands of the northern Gulf of California: inventory and conservation status
Source AQUATIC CONSERVATION-MARINE AND FRESHWATER ECOSYSTEMS
Language English
Document Type Article
Author Keywords estero; estuary; wetland; Distichlis palmeri; saltgrass; mangrove
Keywords Plus COLORADO RIVER DELTA; DE-SANTA-CLARA; SHRIMP AQUACULTURE; ENVIRONMENTAL-IMPACT; CHELONIA-MYDAS; SALT-MARSH; MEXICO; CIENEGA; WATER; DISCHARGE
Abstract 1. Above 28 degrees N, the coastline of the northern Gulf of California is indented Lit frequent intervals by negative or inverse estuaries that are saltier at their backs than at their Mouths due to the lack of freshwater inflow. These 'esteros' total over 215000 ha in area and encompass mangrove marshes below 29 degrees N and saltgrass (Distichlis palmeri) marshes north of 29 degrees N. An additional 6000 ha of freshwater and brackish wetlands are found in the Colorado River delta where fresh water enters the interticial zone. 2. The mangrove marshes in the Gulf of California have been afforded some degree of protected status in Mexico, but the northern saltgrass esteros do not have priority conservation status and are increasingly becoming development targets for resorts, vacation homes and aquaculture sites. 3. We conducted an inventory of the marshes using aerial photography and satellite images, and evaluated the extent and type of development on each marsh. We reviewed the available literature on the marshes to document their vegetation types, and ecological functions in the adjacent marine and terrestrial ecosystems. 4. Over 95% of the mangrove marshes have been developed for shrimp fanning. However, the farms are built adjacent to, rather than in, the marshes, and the mangrove stands are still mostly intact. 5. The majority of saltgrass marshes above the mangrove line are still relatively unspoiled. However, resort and Vacation home development is taking place on land Surrounding them. 6. We recommend a system of protected reserves incorporating the pristine wetlands, along with water quality management and buffer zones For the more developed esteros. The saltgrass marshes should be considered for conservation protection, similar to the protection given to the Southern mangrove marshes whose Value has already been recognized. Copyright (C) 2006 John Wiley & Sons, Ltd.
Author Address Environm Res Lab, Tucson, AZ 85706 USA; Arizona Sonora Desert Museum, Tucson, AZ 85743 USA; Pronatura Noroeste, San Luis Rio Colorado 83440, Sonora, Mexico
Reprint Address Glenn, EP (reprint author), Environm Res Lab, 2601 E Airport Dr, Tucson, AZ 85706 USA.
E-mail Address eglenn@ag.arizona.edu
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Cited Reference Count 90
Times Cited 23
Total Times Cited Count (WoS, BCI, and CSCD) 27
Publisher WILEY-BLACKWELL
Publisher City HOBOKEN
Publisher Address 111 RIVER ST, HOBOKEN 07030-5774, NJ USA
ISSN 1052-7613
29-Character Source Abbreviation AQUAT CONSERV
ISO Source Abbreviation Aquat. Conserv.-Mar. Freshw. Ecosyst.
Publication Date JAN-FEB
Year Published 2006
Volume 16
Issue 1
Beginning Page 5
Ending Page 28
Digital Object Identifier (DOI) 10.1002/aqc.681
Subject Category 24
Document Delivery Number Environmental Sciences; Marine & Freshwater Biology; Water Resources
Unique Article Identifier Environmental Sciences & Ecology; Marine & Freshwater Biology; Water Resources
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