Posts Tagged ‘grading’
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Above, UC Davis researchers study a ski run made by clearing; below, they examine a graded run. A study led by ecologist Jennifer Burt suggests that that grading, compared to clearing, is worse for mountain ecosystems, reducing soil depth and fertility and promoting erosion. (Credit: Jennifer Burt/UC Davis)
UC DAVIS (US)—Building a new ski run by bulldozing a mountainside rather than only cutting its shrubs and trees is far more damaging ecologically, yet might offer only a week’s earlier start to the downhill season. Continue…
