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Showing 3,928 results for science methods ...
A Cup of Cold Water
Dying In The Hospital
Presentation of the Flag to Second Regiment of S.C. Vols.
Lines to E. H. F.
Neither Thirst Any More
Woman's Right
Mene, Mene
May We Pray?
El Malpais National Monument Visitor Center
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.
Flying Mountain Trailhead
- 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.
Mead Museum
- Type: Place

The Mead Cultural Education Center, located in Yankton, South Dakota, was constructed in 1909 by Dr. Leonard C. Mead. Originally serving as part of the women’s ward for the Dakota Hospital for the Insane, the building was in use until the 1980s. Today, however, it houses the Dakota Territorial Museum and is upkept by the Yankton County Historical Society.
Outside Science (inside parks): Bird Health at Assateague Island
- 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.