HUMEDALES

Un blog cooperativo para poder difundir el tema de humedales

sábado, mayo 28, 2005

La diversidad de humedales en Sudamérica

En esta entrega hablaremos un poco de los diferentes tipos de humedales. Para comenzar tomaremos la región de Sudamérica como ejemplo para demostrar la diversidad de humedales en esta región, Pero primero déjenme preguntarle si ya saben lo que es un humedal y si tienen algún ejemplo. Para los amigos que son de la región, déjenme preguntarles si tienen ya un buen ejemplo en mente. Para que tengan una idea de la diversidad de humedales, visitaremos este enlace de los humedales de Perú.

http://www.geocities.com/humedalesperu/

En Sudamérica de manera muy general se pueden dividir los humedales dependiendo si se encuentran localizados en la Costa, en los Andes o en la Amazonía. Cada una de estas zonas posee humedales. Sin embargo no hay que olvidarse de las zonas situadas fuera de estos ambientes, ¿conoces alguna?.

Los humedales de la costa pueden estar representados por manglares, zonas litorales, arrecifes de coral, ríos exorreicos, lagunas salinas, pantanos, entre otras. Todos ellos se encuentran o por debajo del nivel del mar o por encima de los 0 m de altitud.

manglares


Si quieres profundizar te invito a visitar los siguientes enlaces:


http://www.wetlands.org/inventory&/SAA/Body/16peru&chile@.htm
http://www.wetlands.org/inventory&/SAA/Body/18col&ecua@.htm

http://www.wetlands.org/inventory&/SAA/Body/13costa_arg@.htm

http://www.wetlands.org/inventory&/SAA/Body/04cos_brasil@.htm

http://www.wetlands.org/inventory&/SAA/Body/03guayas@.htm

http://www.wetlands.org/inventory&/SAA/Body/01cos_caribe@.htm

Los humedales andinos son los que se encuentran por encima de los 800 m de altitud hasta los 5000 m aproximadamente. ¿Pueden imaginarse una laguna a esta altura?.

totoraharvest


Mirar estos enlaces:
http://www.wetlands.org/inventory&/SAA/Body/19andesdelnor@.htm

http://www.wetlands.org/inventory&/SAA/Body/17andesdelsur@.htm

Aquí podemos encontrar diferentes tipos de lagunas: salinas, salobres, eutróficas (ricas en materia orgánica), mesotróficas (medianamente ricas en materia orgánica) u oligotróficas (pobres en materia orgánica), y también minerotróficas (ricas en minerales). Las lagunas de mayor altitud se originaron por los deshielos del Pleistoceno. Igualmente encontramos pantanos, ríos y turberas de diferentes tipos.

Los humedales amazónicos son aquellos que se encuentran en la cuenca amazónica y por debajo de los 50 m. Los diferentes tipos de humedales pueden ser los ríos de aguas negras, blancas (dependiendo de la cantidad de sedimento que posean), pantanales, pantanos, lagunas, etc. Quizás sea esta zona la que más diversa en cuanto a biodiversidad de especies acuáticas. Si vives en la Amazonía averigua un poco más sobre que tienen los humedales en tu zona.

amazo eco



Pero antes ¿no te gustaría conocer mejor lo que es la Amazonía?

http://www.educared.net/primerasnoticias/uni/amaz/uamz.htm

Puedes visitar también el siguiente enlace: http://www.wetlands.org/inventory&/SAA/Body/07rioamazonas@.htm

Ahora te toca a ti, pensar en los diferentes tipos de humedales que tienes según la zona donde vivas, tus ejemplos nos servirán para alimentar esta bitácora.

En la próxima entrega hablaremos sobre las funciones e importancia de los humedales, ¿crees que las personas protegen los humedales?, ¿qué funciones tienen?, ¿prestan algún servicio?.

Si quieres puedes visitar el apartado de enlaces relacionados para que tengas una mejor idea.

Hasta la próxima entrega.

Flor de humedales

nina%20yanomami


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