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Allegheny Portage Railroad National Historic Site

20 sidorUppdaterad 23 days ago

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Silent Witnesses, Old Trees are Hiding in Our Midst

Sida 223 days agoCC0 1.0 (allmän egendom)

Silent Witnesses, Old Trees are Hiding in Our Midst

Western Pennsylvania Virtual Junior Ranger

Sida 3a month agoCC0 1.0 (allmän egendom)

Western Pennsylvania Virtual Junior Ranger

Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

Sida 4a month agoCC0 1.0 (allmän egendom)

Forest Health Monitoring in Allegheny Portage Railroad National Historic Site

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

Sida 521 days agoCC0 1.0 (allmän egendom)

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

Sida 621 days agoCC0 1.0 (allmän egendom)

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

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

Sida 7a month agoCC0 1.0 (allmän egendom)

2019 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Sida 814 days agoCC0 1.0 (allmän egendom)

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

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

Sida 9a month agoCC0 1.0 (allmän egendom)

2020 Weather In Review: Allegheny Portage Railroad National Historic Site

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

Sida 10a month agoCC0 1.0 (allmän egendom)

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

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

Sida 11a month agoCC0 1.0 (allmän egendom)

Streamside Bird Monitoring in Allegheny Portage Railroad National Historic Site

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

Sida 12a month agoCC0 1.0 (allmän egendom)

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

Managing Resilient Forests: Why Eastern National Park Forests Need Help

Sida 13a month agoCC0 1.0 (allmän egendom)

Managing Resilient Forests: Why Eastern National Park Forests Need Help

The Resilient Forests Initiative for Eastern National Parks

Sida 14a month agoCC0 1.0 (allmän egendom)

The Resilient Forests Initiative for Eastern National Parks

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

Sida 15a month agoCC0 1.0 (allmän egendom)

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

Sida 162 months agoCC0 1.0 (allmän egendom)

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

A New Checklist of Amphibians in 292 National Parks

Sida 17a month agoCC0 1.0 (allmän egendom)

A New Checklist of Amphibians in 292 National Parks

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

Sida 182 months agoCC0 1.0 (allmän egendom)

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

The Geology of Allegheny Portage Railroad National Historic Site

Sida 192 months agoCC0 1.0 (allmän egendom)

The Geology of Allegheny Portage Railroad National Historic Site

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

Sida 202 months agoCC0 1.0 (allmän egendom)

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