Biological Monitoring: Signals from the Environment (GTZ, 1991)
Concept for a biological monitoring study:
2. Study area: the central Andean plateau
2.1 Location and extension
2.2 Natural features
2.3 Population
2.4 Agriculture
2.5 Mining and industry
2.6 Special aspects of environmental contaminants, their effects on living organisms and ecosystems, and their detection by means of bioindicators on the Andean plateau