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Allegheny Portage Railroad National Historic Site

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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

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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

Pagina 621 days agoCC0 1.0 (pubblico dominio)

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

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

Pagina 7a month agoCC0 1.0 (pubblico dominio)

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Pagina 814 days agoCC0 1.0 (pubblico dominio)

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

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

Pagina 9a month agoCC0 1.0 (pubblico dominio)

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Pagina 10a month agoCC0 1.0 (pubblico dominio)

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

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

Pagina 11a month agoCC0 1.0 (pubblico dominio)

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

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

Pagina 12a month agoCC0 1.0 (pubblico dominio)

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

Pagina 14a month agoCC0 1.0 (pubblico dominio)

The Resilient Forests Initiative for Eastern National Parks

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

Pagina 15a month agoCC0 1.0 (pubblico dominio)

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

Pagina 162 months agoCC0 1.0 (pubblico dominio)

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

A New Checklist of Amphibians in 292 National Parks

Pagina 17a month agoCC0 1.0 (pubblico dominio)

A New Checklist of Amphibians in 292 National Parks

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

Pagina 182 months agoCC0 1.0 (pubblico dominio)

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

The Geology of Allegheny Portage Railroad National Historic Site

Pagina 192 months agoCC0 1.0 (pubblico dominio)

The Geology of Allegheny Portage Railroad National Historic Site

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

Pagina 202 months agoCC0 1.0 (pubblico dominio)

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