搜索结果: 1-2 共查到“国际动态 indicator”相关记录2条 . 查询时间(0.077 秒)
Catch rate is a poor indicator of lake fishery health（图）
Catch rate poor indicator lake fishery health
2020/5/9
Fishery collapses can be difficult to forecast and prevent due to hyperstability, a phenomenon where catch rates remain high even as fish abundance declines. In a recent Canadian Journal of Fishe...
How Good Are Indicator Bacteria at Predicting Pathogens in Recreational Water?
Indicator Bacteria Pathogens Recreational Water
2009/12/16
Bacteria commonly used to indicate health risks in recreational waters might not be so reliable after all. Pathogenic E. coli were pervasive in stream-water samples with low concentrations of fecal in...