نتایج جستجو برای: waterways
تعداد نتایج: 1487 فیلتر نتایج به سال:
We investigated involvement of feral swine in contamination of agricultural fields and surface waterways with Escherichia coli O157:H7 after a nationwide outbreak traced to bagged spinach from California. Isolates from feral swine, cattle, surface water, sediment, and soil at 1 ranch were matched to the outbreak strain.
© Thinkk/y-studio W ater is essential to life, supporting the food web and habitat for much of Earth’s wildlife. Pesticides often contaminate U.S. waterways and threaten aquatic organisms, from invertebrates (worms, molluscs, insects, and zooplankton) to vertebrates (fish and amphibians), and microorganisms (bacteria, fungi, protozoa, algae, and phytoplankton), as well as those that depend on t...
This article proposes a method for plotting fairways using gradient fill of digital terrain models the bottom relief. The purpose is to improve accuracy fairway plotting, ensuring safety both manned and unmanned navigation. Non-regulated are usually plotted by eye. When done this way, placement directly depends on cartographer's capability initial data. Gradient allows operator instantly accura...
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