![]() ![]() The chart shows the evolution of the average number of times documents published in a journal in the past two, three and four years have been cited in the current year. This indicator counts the number of citations received by documents from a journal and divides them by the total number of documents published in that journal. Q1 (green) comprises the quarter of the journals with the highest values, Q2 (yellow) the second highest values, Q3 (orange) the third highest values and Q4 (red) the lowest values. The set of journals have been ranked according to their SJR and divided into four equal groups, four quartiles. Those fish lay eggs in the gravel found in rivers and streams.Ĭopyright 2021 EarthFix. Backers of Oregon’s law say the practice is harmful to salmon, trout and steelhead habitat. ![]() Miners use these dredges to get gold from beds of rivers and streams. The Oregon law in question, adopted as Senate Bill 3, limits the use of suction dredges, which are operated like a vacuum. The court wrote in its opinion that federal mining laws "reflect Congress’ intent to foster a productive mining industry" but also require mining operations to comply with states' environmental laws. They argued that federal law preempts the state of Oregon’s authority to pass such restrictions. Several mining groups had challenged the 2017 law. Kate Brown were within their rights to adopt a ban on suction dredge mining. ![]() ![]() 9th Circuit Court of Appeals on Wednesday affirmed a lower court’s ruling that the Oregon Legislature and Gov. A federal court has upheld an environmental law that protects fish habitat from a certain type of gold mining in Oregon rivers and streams. ![]()
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