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Allegheny Portage Railroad National Historic Site

20 SeitenAktualisiert 23 days ago

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Silent Witnesses, Old Trees are Hiding in Our Midst

Seite 223 days agoCC0 1.0 (gemeinfrei)

Silent Witnesses, Old Trees are Hiding in Our Midst

Western Pennsylvania Virtual Junior Ranger

Seite 3a month agoCC0 1.0 (gemeinfrei)

Western Pennsylvania Virtual Junior Ranger

Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

Seite 4a month agoCC0 1.0 (gemeinfrei)

Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

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

Seite 521 days agoCC0 1.0 (gemeinfrei)

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

Seite 621 days agoCC0 1.0 (gemeinfrei)

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

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

Seite 7a month agoCC0 1.0 (gemeinfrei)

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Seite 814 days agoCC0 1.0 (gemeinfrei)

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

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

Seite 9a month agoCC0 1.0 (gemeinfrei)

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Seite 10a month agoCC0 1.0 (gemeinfrei)

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

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

Seite 11a month agoCC0 1.0 (gemeinfrei)

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

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

Seite 12a month agoCC0 1.0 (gemeinfrei)

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

Managing Resilient Forests: Why Eastern National Park Forests Need Help

Seite 13a month agoCC0 1.0 (gemeinfrei)

Managing Resilient Forests: Why Eastern National Park Forests Need Help

The Resilient Forests Initiative for Eastern National Parks

Seite 14a month agoCC0 1.0 (gemeinfrei)

The Resilient Forests Initiative for Eastern National Parks

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

Seite 15a month agoCC0 1.0 (gemeinfrei)

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

Seite 162 months agoCC0 1.0 (gemeinfrei)

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

A New Checklist of Amphibians in 292 National Parks

Seite 17a month agoCC0 1.0 (gemeinfrei)

A New Checklist of Amphibians in 292 National Parks

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

Seite 182 months agoCC0 1.0 (gemeinfrei)

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

The Geology of Allegheny Portage Railroad National Historic Site

Seite 192 months agoCC0 1.0 (gemeinfrei)

The Geology of Allegheny Portage Railroad National Historic Site

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

Seite 202 months agoCC0 1.0 (gemeinfrei)

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