This is a qualitative model from an iMODELER workshop for a group of scientists from different fields from the University of Cape Coast, Ghana. Feel free to continue the modeling via this collaborative link. Here is the read-only link to the original model: http://www.imodeler.info/ro?key=CIcLFmS12YTHp4U7SkgXR9w What is the question the model should answer: What can be done in order to mitigate the effects from illigal mining (surface mining) on the quality of water from rivers? What are the system’s bo...