| responses of benthic insect communities to effluent from the abandoned ferris-haggarty copper mine in southeast wyoming, usa. | six criteria were used to evaluate 12 metrics for their sensitivity to effluent flowing from the ferris-haggarty copper mine into haggarty creek and then into battle creek west fork. through the evaluation process, we found that the shannon-wiener index, the random runs value, and ephemeroptera taxa richness appeared to best reflect the impacts that have occurred in both haggarty creek and battle creek west fork. in addition, ephemeroptera/plecoptera/trichoptera taxa richness, total taxa richnes ... | 2011 | 22432316 |