Results 131 to 140 of about 173 (141)
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Opisthobranch fauna from the National Park Arrecife Alacranes, southern Gulf of Mexico
2012The opisthobranch mollusks recorded in the National Park Arrecife Alacranes, a marine protected area and the largest coral reef in the southern Gulf of Mexico, were studied during three survey periods in 2009-2010. Several substrate types: rocks, sponges, corals, sand, Thalassia beds and drifting Sargassum were analyzed.
SANVICENTE-AÑORVE, Laura +4 more
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Terrace climbing of the Alacrane mobile robot with cooperation of its onboard arm
2012 12th IEEE International Workshop on Advanced Motion Control (AMC), 2012Alacrane is a hydraulic mobile manipulator for search and rescue in disaster areas and natural environments, where surmounting elevations such as rubble mounds and terraces is usually required. The paper describes the autonomous terrace climbing maneuver of this mobile robot with the help of its powerful arm. During this operation, the arm is used both
Javier Seron +6 more
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Shallow-Water Geology and Environments of Alacran Reef Complex, Campeche Bank, Mexico
AAPG Bulletin, 1962Alacran "Reef" is an oval, shallow-water platform approximately 100 square miles in extent which rises above the general surface of the continental shelf 70 miles off the Yucatan Peninsula of Mexico. The reef complex includes the long, arcuate reef which forms the windward side of the platform, a deeper and less sharply defined belt of reef growth ...
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A new species of Alacran (Scorpiones: Typhlochactidae) from a cave in Oaxaca, Mexico
Zootaxa, 2009Alacran chamuco sp. nov., a new eyeless, troglobitic scorpion from Te Cimutaa, Valle Nacional, is described. This is the second known species in the genus; sharing with Alacran tartarus a very similar trichobothrial pattern and the lack of “petite” trichobothria—both unique characters in the family Typhlochactidae.
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¿Una joya marina con acceso limitado?: elementos para el manejo en Arrecife Alacranes
2019poster/infographic with metrics, drawings, graphics and photos related to the marine protected area "Parque nacional Arrecife Alacranes"
Carmona-Escalante, Armando +4 more
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Magnesium and Strontium in Mud Fraction of Recent Carbonate Sediment, Alacran Reef, Mexico
AAPG Bulletin, 1968Magnesium, 1.53-0.75×104 ppm, and strontium, 0.73-0.21×104 ppm, were found as minor elements in 74 carbonate mud fractions analyzed by atomic absorption spectrophotometer. Grouping of samples by depositional environment showed statistically significant differences in mean magnesium and strontium content for four of five mud-accumulating environments ...
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Alacranes reef: A refuge for structurally complex coral species from increasing stressors
Ocean & Coastal Management, 2023Ángela Randazzo-Eisemann +1 more
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Alacranes and Akumal coral reefs, Mexico. Their health, uses and concerns
Biological Conservation, 1996openaire +1 more source