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Pacific Crest Trail survey finds trash concentrated near roads; researchers propose wilderness baseline metric
Summary
A 200-survey transect across the Pacific Crest Trail found trash counts increase with road proximity; researchers estimated a wilderness baseline of about 0.5 pieces per kilometer and argued for targeting cleanups and management at trailheads and road-adjacent sites.
Researchers presented results from an extensive set of trash surveys along the Pacific Crest Trail (PCT) and said the data show a strong relationship between trash counts and proximity to roads.
Wynn, who led the PCT transect effort, said the team conducted roughly 200 trash surveys every 10 miles along the trail and observed a log-linear relationship between trash counts…
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