نتایج جستجو برای: dissolved nitrogen pre
تعداد نتایج: 455807 فیلتر نتایج به سال:
Cow-calf operations are a source of excessive Nitrogen (N) and Phosphorus (P) loadings in the Lake Okeechobee basin, Florida (USA). A study was conducted at a beef-cattle ranch to evaluate ditch fencing and culvert crossing (DFCC) as a best management practice (BMP) implemented to improve downstream water quality. The BMP was implemented within a ditch section of 170 m in the ranch. The concent...
Understanding the relationship between land use and surface water quality is necessary for effective water management. We estimated the impacts of catchment-wide land use on water quality during the dry and rainy seasons in the Dongjiang River basin, using remote sensing, geographic information systems and multivariate statistical techniques. The results showed that the 83 sites can be divided ...
BACKGROUND Sponges have long been known to be ecologically important members of the benthic fauna on coral reefs. Recently, it has been shown that sponges are also important contributors to the nitrogen biogeochemistry of coral reefs. The studies that have been done show that most sponges are net sources of dissolved inorganic nitrogen (DIN; NH4 (+) and NO3 (-)) and that nitrification, mediated...
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