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Publication Type J
Authors Olivera-Gomez, LD; Mellink, E
Author Full Name Olivera-Gomez, Leon D.; Mellink, Eric
Title AQUATIC MACROPHYTES WITHIN A MESOHALINE BAY, SANCTUARY FOR MANATEES (TRICHEHUS MANATUS), ON THE CARIBBEAN COAST OF MEXICO
Source SOUTHWESTERN NATURALIST
Language English
Document Type Article
Abstract Bahia de Chetumal, on the Caribbean coast of the Yucatan Peninsula, is a large mesohaline bay that receives significant runoff of fresh water and supports salt-tolerant macrophytes and seagrasses. This bay is important for the endangered Antillean manatees (Trichechus manatus) in Mexico, and the maintenance of submerged populations of macrophytes is a priority in the conservation plans for manatees because these plants play an important role in the habitat of the manatee. We surveyed the cover and biomass of aquatic macrophytes in the northern section of Bahia de Chetumal from November 1998-April 2000 and found them restricted to a small proportion of the area with Halodule wrightii and Ruppia maritima being the most frequent species. Less common species were Najas marina, Thalassia testudinum, and the algae Batophora oerstedii and Chara chara. Cover (<50%), biomass (38.6-83.0 g of dry weight m(-2) and 22.4-32.4 g dry weight m(-2) in denser stands of H. wrightii and R. maritima, respectively), and leaf length (maximum length near 4 cm) were lower than that reported for nearby coastal areas. Above-ground: below-ground biomass ratio was <1 in H. wrightii and R. maritima. The community of submerged aquatic macrophytes of the northern Bahia de Chetumal differs from other such communities in the region, and this might be caused by turbidity, low salinity, and herbivory by manatees. Given the low cover and density of submerged aquatic macrophytes, they should be conserved and monitored continuously to aid in the long-term conservation of manatees.
Author Address [Olivera-Gomez, Leon D.] Univ Juarez Autonoma Tabasco, Div Acad Ciencias Biol, Villahermosa 86039, Tabasco, Mexico; [Mellink, Eric] Ctr Invest Cient & Educ Super Ensenada, Ensenada 2732, Baja California, Mexico
Reprint Address Olivera-Gomez, LD (reprint author), Univ Juarez Autonoma Tabasco, Div Acad Ciencias Biol, Km 05 Carretera Villahermosa Cardenas, Villahermosa 86039, Tabasco, Mexico.
E-mail Address leon_olivera@yahoo.com.mx
ResearcherID Number Olivera-Gomez, Leon David/U-1179-2017
ORCID Number Olivera-Gomez, Leon David/0000-0002-8919-3835
Funding Agency and Grant Number Wildlife Conservation Society; Mexican Consejo Nacional de Ciencia y Tecnologia
Funding Text This study was supported by the financial aid of Wildlife Conservation Society and by a student fellowship of the Mexican Consejo Nacional de Ciencia y Tecnologia to the first author. CICESE and ECOSUR-Unidad Chetumal provided logistic support. A number of friends worked as volunteers during fieldwork, but we especially thank our local guide and boat driver D. Rovelo as well as C. Flores-Vergara and A. Olivera-Gomez.
Cited Reference Count 29
Publisher SOUTHWESTERN ASSOC NATURALISTS
Publisher City SAN MARCOS
Publisher Address SOUTHWEST TEXAS STATE UNIV, DEPT BIOLOGY, 601 UNIVERSITY DR, SAN MARCOS, TX 78666 USA
ISSN 0038-4909
29-Character Source Abbreviation SOUTHWEST NAT
ISO Source Abbreviation Southw. Natural.
Publication Date JUN
Year Published 2013
Volume 58
Issue 2
Beginning Page 216
Ending Page 222
Digital Object Identifier (DOI) 10.1894/0038-4909-58.2.216
Page Count 7
Web of Science Category Biodiversity Conservation; Ecology
Subject Category Biodiversity & Conservation; Environmental Sciences & Ecology
Document Delivery Number V37ZD
Unique Article Identifier WOS:000209312800009
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