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Showing 2,898 results for salt marsh monitoring ...
Assateague Island National Seashore
2025 Annual Horse Population Update for Assateague Island National Seashore
- Type: Article
2025 Update! Horses at Assateague Island National Seashore are managed as a wildlife population. Regular monitoring of population dynamics is necessary to support the long-term fertility control program that was initiated in 1994 to reduce the numbers of the Maryland herd, and now, management of the population close to the goal range of 80-100 individuals.
- Type: Article
Forests in Cuyahoga Valley National Park are responding positively to nearly a decade of white-tailed deer management. Although native, at high densities white-tailed deer can negatively impact forest vegetation. A recent study using data from the park’s long-term monitoring program found a reduction of woody browse, forest regeneration, and decreases in browse on the indicator species trillium.
Grand Canyon National Park
North Kaibab Trail
- Type: Place
North Kaibab Trail is the least visited and most difficult of the major inner canyon corridor trails. It is challenging for day hikers as well as rim-to-rim hikers. Water at the North Kaibab TRAILHEAD water has been shut off for the winter and is expected to be turned back on May 15, when the roads open. Always carry a way to filter or treat creek water, in the event the water stations at Manzanita and Cottonwood Campground are not working.
Grand Canyon National Park
Bright Angel Trail
- Type: Place
Bright Angel Trail lets hikers walk in the footsteps of the canyon's Indigenous Peoples, miners, and early tourists, as they descend into the canyon's depths. Offering big views, morning and afternoon shade, resthouses, vault toilets, and water stations during the summer. The water is OFF at 1.5- and 3-mile resthouses. Portions of Bright Angel Trail are closed for waterline construction, Visit the link for a list of trail closures.
Grand Canyon National Park
South Kaibab Trail
- Type: Place
This well-maintained dirt trail offering wonderful expansive views. This is a great trail for short day hiking trips into the canyon of half a day or less. During winter months foot traction and hiking poles are advised when trail surfaces are icy. There is no public parking at the South Kaibab Trailhead. Please park at the Visitor Center, then take the Kaibab (Orange) Route shuttle bus to the trailhead. It is a 9-minute ride from the Visitor Center to the Trailhead.
- 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.
Assateague Island National Seashore
Outside Science (inside parks): Bird Health at Assateague Island
- Type: Article
Assateague Island, way out on the Maryland coast, may be famous for its wild horses, but it’s also a great spot for birds. In this episode of Outside Science (inside parks), park scientists and interns are giving birds a health check-up to make sure they’re doing okay.
- 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: Place
The Corps reached the Pacific Ocean over a year and a half after departing from Camp Wood, and settled in for the 1805-06 winter. They built Fort Clatsop, a reconstruction of which is found at its original site, located in Astoria, Oregon. The Corp's presence in this area strengthened the United States's claim to the Northwest. It also paved the way for the first American settlement--the Pacific Fur Company Post, established in 1811 by John Jacob Astor.
Marsh - Billings - Rockefeller National Historical Park
Marsh-Billings-Rockefeller Mansion
- Type: Place
Originally built in 1805 by Charles Marsh Sr., father of George Perkins Marsh, the federal-style brick house was sold to Frederick Billings in 1869. Billings renovated the home into a Queen Anne style mansion. In 1954, Billings' granddaughter, Mary French Rockefeller, inherited the home and estate with her husband, Laurance Rockefeller. In 1992, the couple donated the property to the National Park Service. Interior tours are available May-October.
Marsh - Billings - Rockefeller National Historical Park
Carriage Barn Visitor Center
- Type: Place
The Carriage Barn was built on the foundation of an earlier stable in 1895 to house the Billings Family horses, carriages and sleighs. The building is currently used as the headquarters and visitor center for Marsh-Billings-Rockefeller National Historical Park. The building is open 10am-5pm, Memorial Day weekend until October 31. The building contains an exhibit on conservation stewardship, a bookstore, reading area, and restrooms.
- 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.
Marsh - Billings - Rockefeller National Historical Park
Elizabeth Billings
- Type: Person
When even the sharpest female minds were denied ranks above "amateur”, Elizabeth Billings (1871-1944) nonetheless achieved enough to impress a modern-day botanist. Her accomplishments included cultivating various gardens, experimenting in farming, managing the family estate, and cataloging hundreds of plants.
