Tigris and Euphrates Rivers Ecosystems:

http://www.unep.org/vitalwater/22.htm

http://svs.gsfc.nasa.gov/stories/Mesopotamia_20010815/index.html

http://academic.evergreen.edu/g/grossmaz/stevenjd.html

http://www.grid.unep.ch/activities/sustainable/tigris/index.php

http://earthobservatory.nasa.gov/Newsroom/NewImages/images.php3?img_id=5112

http://en.wikipedia.org/wiki/Tigris-Euphrates_alluvial_salt_marsh

http://www.agiweb.org/geotimes/oct03/feature_marshes.html

http://www.umwelt-schweiz.ch/imperia/md/content/buwalcontent/umwelt/20022/e/9.pdf

http://www.ewetlands.net/

http://www-ucdmag.ucdavis.edu/fall03/feature_3.html

https://dspace1.it.ohio-state.edu/dspace/bitstream/1811/24109/1/(05)+6.05+Iraq-Marshland.pdf

http://www.waterencyclopedia.com/Hy-La/International-Cooperation.html

http://www.worldpress.org/Asia/2533.cfm