1489
The many dams and irrigation schemes , and the associated large-scale water abstraction , have also had a detrimental effect on the ecologically already fragile Mesopotamian Marshes and on freshwater fish habitats in Iraq .
 Mesopotamian Marshes, Iraq
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Mesopotamian Marshes, Iraq