搜索结果: 1-3 共查到“rivers and streams”相关记录3条 . 查询时间(0.14 秒)
Assessment of Mercury Pollution in Rivers and Streams around Artisanal Gold Mining Areas of the Birim North District of Ghana
Mercury Pollution Artisanal Gold mining Birim North District Ghana
2013/3/13
Artisanal gold mining in local communities is on the increase. This has led to concerns about mercury pollution resulting from these mining activities. This study was conducted to assess the level of ...
Many natural streams are net heterotrophic, so I propose that trophic state be divided into autotrophic and
heterotrophic state. This division allows consideration of the influence of external ...
Role of wetlands and developed land use on dissolved organic nitrogen concentrations and DON/TDN in northeastern U.S. rivers and streams
Role of wetlands developed land dissolved organic nitrogen concentrations DON/TDN northeastern U.S. rivers and streams
2014/5/19
Previous studies have shown that watersheds with significant human development (i.e., urban and agricultural land use) generally have higher concentrations and fluxes of dissolved inorganic nitrogen (...