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Showing 1,703 results for inventory ...
- 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.
- Type: Article
This elephant seal breeding season, the single-day cow count peaked at 1,159 on 1/27, which is similar to last year’s peak count of 1,165. Pup counts were higher than the five-year average this season. This is likely due to the lack of strong storms this winter and thus high pup survival.
- Type: Article
From underground mycorrhizal networks to ultrasonic sound emissions and chemical signaling through the air. The plants and trees of the forest have a language and ability to communicate that science is only beginning to understand.
- Type: Article
Along Idaho’s U.S. Highway 26, National Park Service ecologists are enhancing the efficiency of sagebrush restoration and teaming up with a long-time partner of mankind: the mule.
- Type: Place
Greenwich Village Historic District’s reputation for dynamism can be attributed to its history of emerging artists and writers as well as the political unrest and activism of its inhabitants. With the rise of the counterculture movement during the 1960s, Greenwich Village’s Washington Square Park became a hub for writers and musicians. In 1969, LGB residents of Greenwich Village pushed back against police harassment at the Stonewall Inn.
- Type: Article
In early October, biologists with the San Francisco Bay Area Network Coho & Steelhead Monitoring Program assisted the California Department of Fish & Wildlife in collecting 40 juvenile coho salmon from Olema Creek. Now, these fish are living in the Don Clausen Fish Hatchery located at Lake Sonoma in Sonoma County.
Point Reyes National Seashore
Researchers Complete First Season of Point Reyes Mountain Beaver Habitat Surveys
- Type: Article
The Point Reyes mountain beaver—a primitive rodent that isn’t a beaver—is a sort of mythical creature at Point Reyes National Seashore. Almost no one has seen one in-person with their own eyes. Not even National Park Service Wildlife Biologists Taylor Ellis and Matt Lau, who just completed their first season of surveys as a part of a 2-year mountain beaver habitat modeling project in collaboration with UC Berkeley. Still, the survey season was a great success.
- Type: Article
Northern Colorado Plateau Network’s scientists use satellite observations of vegetation condition in Curecanti National Recreation Area with climate data over time to reveal how climate influences plant production and phenology. Knowing which of the wide range of 16 vegetation assemblages found in Curecanti are more or less sensitive to climate change can help managers understand what to expect over the next few decades, and plan for the changes coming their way.
- Type: Article
The Inventory and Monitoring Division explored the effects of the Cameron Peak and East Troublesome Fires on trout, their habitat, and their food sources in Rocky Mountain National Park. The results show that high-elevation trout are resilient, providing valuable insight for park managers making conservation decisions.
- Type: Article
War in the Pacific National Historical Park is working to protect Guam’s biodiversity by managing invasive species like brown tree snakes and little fire ants while safeguarding native wildlife, including the endangered Guam tree snail. A recent study assessed the park’s Guam tree snail population, providing essential data to inform conservation efforts aimed at restoring the island’s fragile ecosystem.
- 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.
War In The Pacific National Historical Park
Fonte Plateau
- Type: Place
Fonte Plateau was a strategic location during the Battle of Guam. Home to a fortified Japanese naval communications base, the battle for control over Fonte Plateau was costly and pivotal. After days of fighting, US troops gained control of the position—forcing the Japanese Army's retreat.
- Type: Article
Only 16 cows and 14 nursing pups remain at the Seashore! There are still 112 males scattered around, looking for their last chance to mate. This year’s weaned pup counts are higher than average. A total of 1063 weanlings were counted on 3/6.
War In The Pacific National Historical Park
Assan/Asan Beach
- Type: Place
During the Japanese occupation of Guam, CHamoru were forced to build defenses on the beach, including the pillboxes and bunkers that can still be seen today, in preparation for the American invasion. That invasion came on July 21, 1944, W Day for Guam. While a simultaneous attack took place five miles south at Hågat, the Third Marine Division landed on the 2,500-yard Assan Beach, marking the start of the Battle of Guam.
- Type: Article
Two-year summary of findings from amphibian monitoring in Naval Live Oaks Area of Gulf Islands National Seashore, near Pensacola, Florida. Treefrogs and other amphibians are monitored at two sites near freshwater ponds using PVC pipes and plywood coverboards. Amphibian community composition and changes in the relative abundance of common species are tracked over time as indicators of park ecological health.
- Type: Article
The Columbia Sensitive Resource Zone in Cuyahoga Valley National Park is a case study in trying to find a sustainable balance between resource conservation and recreation. Learn more about the sensitive resource zone and how park visitors can engage in shared stewardship.
- Type: Article
Existing tools to identify and protect areas where the climate is changing more slowly may help preserve resources into an uncertain future.
- Type: Article
A winning strategy to combat invasive plants becomes a potent tool for restoring special places in several eastern parks.
- Type: Article
Bats are amazing animals and a formidable force against insect pests, but a nasty fungal disease is killing them. A coordinated national response brings hope.
- Type: Article
Pollinators are in danger, and national parks want to help. Two early-career scientists piloted research projects to find out how they could.