宾夕法尼亚州雷丁蓝沼泽流域五年微生物和化学评估

Jill M. Felker, Zachary T. Weagly, Tami H. Mysliwiec
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引用次数: 0

摘要

水道周围地区的娱乐、农业和工业利用为收集化学和污染物径流提供了机会,这些径流影响了水道和连接流域的化学组成。流域内的人类活动可造成条件,使病原微生物得以茁壮成长,并使独特的微生物群落得以出现。研究区域包括Blue的三个地点。宾夕法尼亚州雷丁的沼泽流域,周围不同的土地利用和人为活动。在为期五年的项目中,每个月对研究区域进行监测,以评估化学水平和微生物数量变化的季节性变化。化学测试包括无机硝酸盐、无机磷酸盐和溶解氧。其他微生物检测包括每月大肠杆菌和肠球菌计数,以评估潜在的致病微生物种群。在大多数情况下,化学分析发现硝酸盐和磷酸盐的浓度高于自然环境水平。在5年的时间里,大肠杆菌和肠球菌浓度分别有52%和83%的时间高于EPA的娱乐用水建议值。这些结果表明,周边水道的娱乐、农业和工业利用可能会影响蓝沼泽流域的化学和微生物特征,包括病原微生物。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Five-year microbial and chemical assessment of the Blue Marsh Watershed in Reading, Pennsylvania
Recreational, agricultural, and industrial utilizations of areas surrounding waterways provide opportunities for collecting chemical and pollutant runoff, which influence the chemical makeup of the waterways and connecting watersheds. Human activities within watersheds can result in conditions that enable pathogenic microorganisms to thrive and allow unique microbial communities to emerge. The study area consisted of three locations at the Blue.
Marsh Watershed in Reading, Pennsylvania, with different surrounding land use and anthropogenic activities. The study areas were monitored monthly during the five-year project to assess seasonal variations in chemical levels and microbial count changes.
Chemical testing included inorganic nitrates, inorganic phosphates, and dissolved oxygen. Additional microbial testing included monthly counts for Escherichia coli and Enterococcus spp. to assess potential pathogenic microbial populations. On most occasions, chemical analyses found nitrate and phosphate concentrations above natural environmental levels.
During the five years, Escherichia coli and Enterococcus spp. concentrations were above the EPA recreational water recommendations 52% and 83% of the time, respectively. These results suggest that recreational, agricultural, and industrial utilization of surrounding waterways may influence chemical and microbial characteristics, including pathogenic microorganisms in the Blue Marsh Watershed.
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