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NATURE

          


Turtles in the Bay of Banderas

By Eduardo Lugo – Wildlife Connection - Versión en Español
November 15, 2003

There is no doubt that one of the oldest creatures in the world is the sea turtle. Having existed on this planet for over 200 million years, they have witnessed the disappearance of innumerable species of creatures. They have survived at least two great extinctions, including that of dinosaurs some 60 million years ago. These ancient creatures have seen the birth of our own species, and now, despite their enormous resistance, it is man himself who has driven them to the brink of their own extinction, and it is only man who can save them.

Paradoxically, while some people are eager to consume the turtle’s eggs in order to acquire their aphrodisiac powers –which they obviously do not possess, but which do contain a very high level of cholesterol that far from benefiting them, help cause heart attacks-, there is another group of persons interested in their preservation. During the season when the turtles come ashore to lay their eggs, from July to November, these folks patrol the beaches to pick up the eggs and bring them to special protected nesting sites around the Bay. Later, the baby turtles are released under supervised conditions that will contribute to the conservation of the sea turtle species.

In Mexico, we are fortunate to have 7 of the 8 existing species of sea turtles come to our beaches to lay their eggs. Around the Bay of Banderas, the most common is the Olive Ridley turtle (Lepidochely olivacea), whose nesting season begins in July. The eggs hatch 45 to 50 days later so the first hatchlings are born around the end of August. Each turtle lays approximately 100 eggs at a time, but the mortality rate is such that maybe one out of the hundred may reach adulthood.

In the Bay of Banderas, there are a number of protected turtle nesting sites where the c measures have shown very good results. The most important of these with regard to the number of baby turtles released each year is the one in Nuevo Vallarta, in the charge of the Federal Department of Natural Resources (SEMARNAT). It is run by a group of volunteers who patrol the beaches night after night with no greater incentive than to help these magnificent creatures. A good way to contribute to the sea turtle’s preservation is by visiting these grounds. Starting this year, every visitor will pay an entrance fee of $15 pesos (about $1.35 U.S.) thus helping to raise funds for their maintenance and operations.


Tortugas en Bahía de Banderas

Una de las criaturas mas antiguas del mundo son sin lugar a dudas las tortugas marinas, con mas 200 millones de años de antigüedad han visto desaparecer a muchísimas especies a lo largo del tiempo, han sobrevivido a por lo menos dos grandes extinciones, incluyendo la de los dinosaurios hace mas de 60 millones de años, estas antiquísimas criaturas vieron el nacimiento de nuestra propia especie y a pesar de su enorme resistencia es el hombre quien las ha puesto a borde de su propia extinción, y es el hombre mismo quien tiene en sus manos la posibilidad de rescatarlas, paradójicamente mientras algunas personas se empeñan en consumir sus huevos por atribuirle poderes afrodisíacos, los cuales por supuesto no tienen, y si un alto contenido de colesterol, que lejos de beneficiarnos nos pueden provocar ataques cardiacos, hay otro grupo de personas interesadas en su conservación, y durante la temporada de desove que comprende de julio a noviembre patrullan las playas recuperando los huevos para protegerlos en áreas especiales, para mas tarde liberar a las crías y así contribuir a la conservación de las especies de tortugas marinas.

En México somos afortunados pues de las 8 especies de tortugas marinas que existen en el mundo 7 visitan y desovan en nuestras playas. En Bahía de Banderas la especie mas común es la tortuga golfina (Lepidochely olivacea) y su temporada de anidación comienza en julio, la eclosión ocurre de 45 a 50 días después de la puesta por lo que a finales de agosto se pueden ver las primeras crías, cada tortuga puede poner hasta 100 o mas huevos en cada puesta, pero la tasa de mortandad es tan alta que quizá solo una tortuga de cada nido llegue a la edad adulta. En Bahía de Banderas se cuentan con campamentos tortugeros en donde se llevan a cavo acciones de protección con muy buenos resultados, el campamento mas importante en la bahía por la cantidad de tortugas que liberan, es el de Nuevo Vallarta dependiente de SEMARNAT y el cual es atendido por grupos voluntarios que durante la temporada de desove patrullan noche tras noche las playas sin mas aliciente que el de ayudar a estas magnificas criaturas, una buena manera de contribuir a su conservación es visitando este campamento, ya que a partir de este año a cada visitante se la cobra una cuota de 15 pesos y de esa manera se obtienen los recursos tan necesarios para su manutención.

Marú & Eduardo Lugo – Wildlife Connection
cetacea@prodigy.net.mx

* Wildlife Connection is a Mexican organization dedicated to the study and conservation of dolphins and whales. Apart of our research activities and educational efforts, specialized tours are organized to offer general public an opportunity to experience a close contact with nature and its wild animals. Visit: http://www.wildlifeconnection.com

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