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Allegheny Portage Railroad National Historic Site

20 siderOpdateret 23 days ago

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Silent Witnesses, Old Trees are Hiding in Our Midst

Side 223 days agoCC0 1.0 (offentligt eje)

Silent Witnesses, Old Trees are Hiding in Our Midst

Western Pennsylvania Virtual Junior Ranger

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Western Pennsylvania Virtual Junior Ranger

Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

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Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

A Technician’s Mushroom Hobby Became a Fungi Inventory for National Parks

Side 521 days agoCC0 1.0 (offentligt eje)

A Technician’s Mushroom Hobby Became a Fungi Inventory for National Parks

Is 9,000 tree seedlings per hectare enough? Comparing eastern national park forests

Side 621 days agoCC0 1.0 (offentligt eje)

Is 9,000 tree seedlings per hectare enough? Comparing eastern national park forests

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

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2019 Weather In Review: Allegheny Portage Railroad National Historic Site

Allegheny Portage Railroad National Historic Site in 2021: a very warm year

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Allegheny Portage Railroad National Historic Site in 2021: a very warm year

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

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2020 Weather In Review: Allegheny Portage Railroad National Historic Site

All Hope is Not Lost – Parks plan strategically to treat invasive plants

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All Hope is Not Lost – Parks plan strategically to treat invasive plants

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

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Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

Resilient Forests: Managing Invasive Plants and Forest Pests in Eastern Parks

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Resilient Forests: Managing Invasive Plants and Forest Pests in Eastern Parks

Managing Resilient Forests: Why Eastern National Park Forests Need Help

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Managing Resilient Forests: Why Eastern National Park Forests Need Help

The Resilient Forests Initiative for Eastern National Parks

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The Resilient Forests Initiative for Eastern National Parks

Letting in the Light: Creating Canopy Gaps for More Resilient Eastern Forests

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Letting in the Light: Creating Canopy Gaps for More Resilient Eastern Forests

Weather in 2022 at Allegheny Portage Railroad National Historic Site: Warm and Wet

Side 162 months agoCC0 1.0 (offentligt eje)

Weather in 2022 at Allegheny Portage Railroad National Historic Site: Warm and Wet

A New Checklist of Amphibians in 292 National Parks

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A New Checklist of Amphibians in 292 National Parks

Allegheny Portage Railroad's 2023 Weather: Fourth-Warmest Year on Record

Side 182 months agoCC0 1.0 (offentligt eje)

Allegheny Portage Railroad's 2023 Weather: Fourth-Warmest Year on Record

The Geology of Allegheny Portage Railroad National Historic Site

Side 192 months agoCC0 1.0 (offentligt eje)

The Geology of Allegheny Portage Railroad National Historic Site

Saving Park Forests: Eastern Woods, Hawaiian Forest Birds and Whitebark Pine

Side 202 months agoCC0 1.0 (offentligt eje)

Saving Park Forests: Eastern Woods, Hawaiian Forest Birds and Whitebark Pine