PDF | On Dec 1, , Luz Mery Martinez and others published Ecología de anidación de la tortuga golfina (Lepidochelys olivacea) en la playa La Cuevita. PDF | In Mexico the sea turtle protection and conservation centers oversee monitoring and implementing actions to recover the sea turtle. Status: IUCN: Vulnerable ; CITES: Appendix I. (international trade and transport prohibited). FR: tortue olivâtre. ESP: tortuga golfina. Photo: Dr Colin Limpus.

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FAO names: En - Green sea turtle; Fr - Tortue verte; Sp - Tortuga verde. . FAO names: En - Olive ridley turtle; Fr - Tortue olivâtre; Sp - Tortuga golfina. Caracterización haplotípica de la tortuga golfina (Lepidochelys olivacea) en el noroeste [Accessed on. nueva página del texto (beta); Inglés (pdf) · Artículo en XML; Referencias del artículo La relación entre las arribadas de la tortuga golfina (Lepidochelys olivacea) y el Las tortugas marinas del género Lepidochelys presentan un complejo.

By some estimates, they may have numbered in the millions Jackson However, since the discovery of the New World, their rookeries in the region have decreased significantly, mainly due to overexploitation of these reptiles for their meat, shell, and eggs.

Because of the high quality of its meat, the impact of the direct take of juvenile and adult green turtles has historically been more pronounced than for any other sea turtle species. There are numerous accounts of consumption of this species throughout the region. In fact, the name of the turtle does not derive from the outer coloration of this animal but from the color of the green fat found under the shell, for which this turtle was considered a delicacy by British royalty in the eighteenth and nineteenth centuries Witzell Consumption of this species fueled early exploitation by local artisanal and industrial fisheries, leading to the exploitation of other sea turtle species.

To appreciate the magnitude of the impacts, it is important to examine the history of green turtle exploitation in the greater Caribbean. Green turtles were sought after for their calipee and calipash, the cartilage associated with the plastron and the carapace, respectively.

These products were used by the English aristocracy to make turtle soup, which became a staple after the discovery of the New World. Besides supplying the English kitchens with gourmet soup, green turtle oil was also used as a substitute for butter, lamp fuel, and as a lubricant.

The green turtle trade between London and the West Indies began in the mid-eighteenth century. The calipee was more abundant, with a large turtle producing between 1. The English used green turtle soup as a cure for scurvy in the long transatlantic voyages and as a substitute for, or in addition to, salted beef, since turtles could be kept alive below deck on their backs for weeks.

Green sea turtles were abundant and supported the exploration and settlement of the greater Caribbean, providing sailors and pioneer settlers with fresh meat. That year, a Key West factory had an estimated production of , cases of calipee. Although London was the main market, New York also constituted an important market for these products.

The high demand for green turtle meat and soup contributed significantly not only to the demise of many Caribbean populations, but also to those in the Gulf of Mexico. In the western Gulf, green turtles were once abundant enough to support meat and soup canneries in Texas Groombridge and Luxmoore At least five green turtle canneries existed in the late s along the coast of the northwestern Gulf of Mexico.

The Fulton cannery was the largest and operated between and ; in , this cannery alone processed green turtles The green turtle cannery located in Rockport was founded around Green turtles caught and processed in Texas were presumed to feed in the seagrass beds located between Matagorda Bay and Laguna Madre Hildebrand Rapid depletion of green turtle populations in Texas and elsewhere occurred because the fishery targeted juvenile turtles, a highly vulnerable stage in the life cycle of this slow-growing, late-maturing species Crouse et al.

While the green turtle fishery in Texas developed very quickly, it declined abruptly after and ended shortly thereafter, presumably due to the scarcity of turtles and to a deep freeze along the Texas coast Hildebrand Open image in new window Figure The records include mainly green and loggerhead sea turtles Rebel ; Cato et al.

Prior to , green turtles caught on the Florida east coast, particularly in the Indian River Lagoon, were exchanged for goods with various merchant vessels; in later years, agents downloadd the catch and then shipped it mainly to New York True By , green, loggerhead, and hawksbill turtles were hunted as far north as Beaufort and Morehead City, North Carolina, where green turtles in particular were a delicacy and consumed locally True Estimates indicate that about 50 kg pound turtles per week were brought to Key West throughout the year True The green turtle fishery in the Cedar Keys area presumably arose around Fishing was concentrated in an area 32—48 kilometers km 20—30 miles [mi] north and south from the main Cedar Keys port, with the shallow foraging grounds being the most productive True Alternatively, it is possible that the discrepancy reflects the impact of the decades-long turtle fishery in the region, leaving no large adult turtles in the population.

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No mention is made of significant sea turtle fisheries for any other Gulf coast state prior to besides Florida, Louisiana, and Texas. By , the most important sea turtle fisheries in the Gulf of Mexico were those of the Cedar Keys area and around Key West True ; Townsend Until , the sea turtle fisheries in Florida occurred in eight counties, but by they were concentrated in four: Monroe, Levy, Franklin, and Escambia counties on the Gulf coast.

Apparently, the decrease in the sea turtle populations along the Florida Gulf coast was due not only to the harvest of juveniles but also of eggs, as these were sought after eagerly by local people Townsend Indeed, although few records of egg exploitation exist, it is believed that a large number of eggs were collected throughout the entire rim of the Gulf of Mexico Hildebrand ; Witzell Turtles were so scarce by the late s that Townsend called for the protection of the turtles and their eggs during their breeding season.

In the s, imports of live turtles into the United States were significant prior to the listing of sea turtles under the U. The imported species of sea turtles included the green, olive ridley Lepidochelys olivacea , loggerhead, and hawksbill, with the former two species being the most imported Cato et al.

These imports came from over 40 countries and demonstrate the demand for live sea turtles that existed in the United States until the middle of the last century. Alternatively, this spike may reflect a last effort by the industry to import live sea turtles before the ban on these imports was fully implemented Cato et al. The green sea turtle fishery in Mexican waters of the Gulf of Mexico continued until , when a total ban was imposed DOF S, Anger, E. The development of local and global citizen-science sea turtle monitoring.

Abstract here Hayes, C. Does recreational diving impact hawksbill sea turtle foraging behavior? Results from a marine protected area, Honduras. Abstract here Wright, M. Quantification and impacts of nautical traffic on hawksbill presence in a Honduran marine protected area: a progress report. Does recreational diving alter hawksbill sea turtle foraging behavior?

Seventh Annual Research and Scholarship Symposium. April 20, Cedarville, OH. PDF here. Impacts of beach pollution on sand temperatures and post-hatching migrations in Hawksbill hatchlings. Lima, Peru. Why so many fathers for such a small olive ridley population in Honduras? Dalaman, Mugla, Turkey. Does recreational diving impact hawksbill sea turtle sighting rates?

Preliminary analysis for a marine protected area, Honduras. Downward but stable trend in the abundance of arribada Olive Ridley sea turtles Lepidochelys olivacea at Nancite Beach, Costa Rica Chelonian Conservation and Biology 81 1 : McGillicuddy, Jr. Domingo, P.

Miller, B. Giffoni, N. The use of mesoscale eddies by juvenile loggerhead sea turtles Caretta caretta in the southwes tern Atlantic. Dray, T. Quaife, T. Smyth, N. Mironnet, P.

Luschi, F. International Journal of Remote Sensing 22 8 : The ecological strategies of sea turtles.

American Zoologist Red List of Threatened Species. IUCN Version The circulation of the eastern tropical Pacific: A review. Hays, C. Del-Seppia, R. The navigational feats of green turtles migrating from Ascension Island investigated by satellite telemetry.

Proceedings of the Royal Society of London B A review of long movements by marine turtles and the possible role of ocean currents. Oikos Recent trends in sea surface temperature of Mexico. Wyneken, W. Van Dissell. A method for evaluating the number of massed nesting olive ridley sea turtles Lepidochelys olivacea, during an arribazon with comments on arribazon behavior. Carrasco, M. In: Co yne, M. Characteristics of wind-gene rated rings in the Eastern tropical Pacific Ocean.

Journal of Geophysical Research Habitat utilization and migration in juvenile sea turtles. In: Lutz, P. Musick Eds.

A census of Tehuantepec and Papa gayo eddies in the northeast tropical Pacific. Geophysical Research Letters L The Olive Ridley sea turtle Lepidochelys olivacea in Orissa: an urgent call for an intensive and integrated conservation programme.

Current Science India Twenty five years nesting of olive ridley sea turtle Lepidochelys olivacea in Escobilla beach, Oaxaca, Mexico. In: Abreu-Grobois, F.

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Proceedings of the eighteenth international sea turtle symposium. NOAA Tech. Migratory and reproductive behavior of the olive ridley turtle Lepidochelys olivacea Eschscholtz, , in the eastern Pacific Ocean. Rostal, R. Reproductive and developmental synchrony in female Lepidochelys olivacea. Journal of Herpetology 31 1 : Balazs, E. Howell, D. Parker, M.

Other books: EVERMOTION 117 PDF

Forage and migration habitat of loggerhead Caretta caretta and olive ridley Lepidochelys oliveacea sea turtles in the central North Pacific Ocean. Fisheries Oceanography 13 1 : Uchida, G.

The Kuroshio extension bifurcation region: a pelagic hots pot for juvenile loggerhead sea turtles. Evolution, phylogeny and current status. The Biology of Sea Turtles. Wind and orientation of migrating birds: a review.

Sea Turtles of the Gulf of Mexico

In: Berthold, P.A population may be considered discrete if it satisfies either of the following conditions: 1 it is markedly separated from other populations of the same taxon as a consequence of physical, physiological, ecological, and behavioral factors often based on genetic evidence ; or 2 it is delimited by international government boundaries within which significant differences in control of exploitation, management of habitat, conservation status, or regulatory mechanisms exist.

Home range and foraging ecology of juvenile hawksbill sea turtles around Rotan, Honduras. Beta testing Nesting Safe — new Technology for nest finding and environmental temperature monitoring. In the same study conducted by McDaniel et al.

April 20, Baumbach, D.

Consumption of this species fueled early exploitation by local artisanal and industrial fisheries, leading to the exploitation of other sea turtle species.

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