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While there are adequate long-term monitoring programs to document trends in concentrations of persistent toxic substances in the Great Lakes environment , there is no formal existing program for gathering long-term evidence for determining trends in the incidence and severity of their effects in wildlife . For more than 10 years , Dance / USA 's Director of Research and Information , John Munger , has compiled statistical surveys of the national field and has completed several regional needs assessments that have been used by foundations , dance companies , and researchers to document trends in the field . This survey is conducted annually by the Computing Research Association to document trends in student enrollment , employment of graduates , and faculty salaries . As such , there is a compelling need to : 1 ) evaluate the status of mercury contamination in a variety of wetland types , both impacted and unimpacted by regional anthropogenic activities , 2 ) examine chemical and biological transformations of mercury under the unique ambient conditions associated with wetlands , and 3 ) reconstruct trends of mercury accumulation in wetlands preserved in the sediment record . But we can start trending toward a more sustainable solution . We also plan to analyze trend and patterns and non-traditional targets such as hawalas and couriers . It is the focus for ACF 's traditional concern for the qualities that bring the nation together , and it provides the best platform to criticize trends or notions that can tear the nation apart .