Filter Your Results
- Point Reyes National Seashore (111)
- Golden Gate National Recreation Area (88)
- Rock Creek Park (63)
- Catoctin Mountain Park (61)
- Chesapeake & Ohio Canal National Historical Park (61)
- Harpers Ferry National Historical Park (59)
- Monocacy National Battlefield (59)
- Prince William Forest Park (59)
- Antietam National Battlefield (57)
- Show More ...
- Inventory and Monitoring Division (154)
- San Francisco Bay Area Inventory & Monitoring Network (138)
- Natural Resource Stewardship and Science Directorate (71)
- Eastern Rivers and Mountains Inventory & Monitoring Network (61)
- Northeast Coastal and Barrier Inventory & Monitoring Network (61)
- Sonoran Desert Inventory & Monitoring Network (52)
- Mid-Atlantic Inventory & Monitoring Network (49)
- Great Lakes Inventory & Monitoring Network (43)
- Northern Colorado Plateau Inventory & Monitoring Network (40)
- Show More ...
Showing 898 results for NCRN IM ...
- Type: Article
At Cuyahoga Valley National Park, an inventory of streams and their inhabitants is helping park managers understand and protect these vital waterways. The study revealed that most streams in the park are in good condition with minimal habitat damage. For the few streams facing challenges, conservation and restoration initiatives will help restore them to high ecological quality.
- Type: Article
It’s officially that time of year when the young coho, chinook, and steelhead have started emerging from their gravel nests (redds) in the streams monitored by the San Francisco Bay Area Network in Marin County, California. We’ve seen some of these little fry doing well during special winter surveys in Muir Woods National Monument. Hopefully, our summer surveys will show high survival despite challenges like big winter storms.
- Type: Article
Less than 4% of the tallgrass prairie that once covered 170 million acres of North America remains today. Park managers use fire and grazing treatments to maintain tallgrass prairie ecosystems at Tallgrass Prairie National Preserve. The Heartland Inventory and Monitoring Network monitors these park prairies to evaluate the effectiveness of management treatments and help parks protect these vanishing ecosystems.
- Type: Article
The Plateau Postcard is the official newsletter of the Southern Colorado Plateau Inventory and Monitoring Network. In this issue, we highlight the exciting and new scientific journal put out by Petrified Forest National Park, interview our newest partner about their efforts to track white-nose syndrome in regional bat populations, discuss special food diets while working in the field, and share our latest publications and 2025 field schedule.
- Type: Article
At Lewis and Clark National Historical Park, staff are developing a plan that will help restore the park’s degraded prairies, wetlands, dunes, and coastal forests. To better tailor this ongoing restoration effort, they needed to know more about the species that reside in the park, including bryophytes and lichens.
- Type: Article
At San Juan Island National Historical Park, a recent species inventory is giving park managers the information they need to help safeguard rare and special plants. Conservation of rare species helps maintain their genetic diversity as well as preserving the unique ecological and cultural functions they serve.
- Type: Article
The NPS Inventory & Monitoring Division partnered with New River Gorge National Park and Preserve to study how bats use cliff habitats that overlap with climbing routes, aiming to understand whether recreation might unintentionally disturb sensitive wildlife.
- Type: Article
Curious about the northwestern pond turtle in southern Oregon and northern California? Explore its natural history in this edition of our quarterly “Featured Creature,” brought to you by the Klamath Inventory and Monitoring Network.
- Type: Article
At Lava Beds National Monument, a species inventory helps park managers understand the rich diversity of lichens in the park, allowing them to craft management strategies to preserve lichens. Located in a semi-arid zone of northern California, cave lichens represent a unique floral component for the region and include many rare or little-known species.
- Type: Article
You can be a Heartland Inventory and Monitoring Network Junior Scientist! Explore what it is like to be a scientist that monitors plants, animals, and their habitats national parks. You will explore the 15 parks of the Heartland Network, make observations, identify animals and plants, and learn why scientists use scientific names for organisms. Visit a Heartland Network Park to complete the activities in the booklet or download the booklet here.
- Type: Article
Fort Necessity National Battlefield park staff aimed to find out if Appalachian cottontail inhabited the park, so they collaborated with the Inventory and Monitoring Division to survey for their scat.
- Type: Article
At Black Canyon of the Gunnison National Park and Curecanti National Recreation Area, long-term vegetation monitoring provides park managers with useful information for decision making on topics including changes in climate, grazing, and fire management. A recent report summarizes monitoring from 2011 to 2022 of vegetation and soil conditions provides management recommendations for their conservation.
- Type: Article
Invasive exotic plants are one of the most significant threats to natural resources in the national parks today. To provide early warning of weed invasions, the Northern Colorado Plateau Network monitors target plants in park areas where they are likely to first establish: along roads, trails, and waterways. Find out what we've learned at Curecanti National Recreation Area.
- Type: Article
The National Park Service (NPS) is on a mission to deepen its understanding of the bees living in parks. Traditional survey methods require significant time, specialized expertise, and the collection of specimens from their natural habitats for species-level identification. With limited bee specialists available and a growing need for efficient, cost-effective methods, the NPS sought an alternative approach.
- Type: Article
Forest regeneration in the National Capital Region continues to slowly improve, especially in parks that manage their deer populations. A look at forest regeneration capacity based on monitoring data from 2024.
- Type: Article
Cape Cod is a large glacial moraine peninsula that extends 96.5 km into the Atlantic Ocean from the coast of Massachusetts. Cape Cod National Seashore (CACO) is located on the outer portion of Cape Cod. Almost all the estuarine habitat at CACO is associated with two large coastal lagoon systems, Pleasant Bay (PB) and Nauset Harbor/Marsh (NH). Due to restricted flushing with the ocean and residential development pressures outside the seashore boundary...
- Type: Article
Read a summary and get a link to a published journal article on denning duration of bears in the Brooks Range of Alaska: Deacy, W., M. S. Sorum, M. D. Cameron, G. V. Hilderbrand, D. D. Gustine, and K. Joly. 2025. Denning chronology in an Arctic brown bear population. Wildlife Biology e01420.
- Type: Article
The mission of preserving and protecting cultural sites goes hand-in-hand with preserving and protecting the landscape, and maintaining healthy and sustainable forests in the parks of the Northeast Region.
Historical and Future Climate Patterns at Rocky Mountain National Park: Some Biological Implications
- Type: Article
Climate change has the potential to profoundly alter national parks, affecting plants, animals, and cultural resources. During this time of unusually rapid change, proactive management—planning ahead—has a better chance of success than reacting to crises after they arise. This article compares historical climate patterns at Rocky Mountain National Park with future projected conditions to help park managers proactively plan for climate change.
- Type: Article
As the San Francisco Bay Area Network coho and steelhead monitoring crew wraps up the 2024-2025 spawner season, we are looking back at one of the busiest winters since the beginning of this monitoring program! We observed increased coho spawning in all three creeks we monitor—Olema, Pine Gulch, and Redwood Creeks. Olema took the cake with the strongest cohort of all.