Results 31 to 40 of about 45,188 (211)
Bioturbation by grizzly bears in relict solifluction features of Glacier National Park, Montana, USA
Grizzly bears are an integral part of the northern Rocky Mountains ecosystem, where their foraging and denning leaves a measurable impact on the landscape.
Carol F Sawyer +2 more
doaj +1 more source
Patterns of underwater human-generated noise events and durations of noise-free intervals (NFIs) are soundscape metrics that can potentially affect animal communication and behavior. Due to the arduous task of manual analysis, these metrics have not been
Samara M. Haver +2 more
doaj +1 more source
Summer Residency of Pacific Halibut in Glacier Bay National Park [PDF]
Glacier Bay National Park (Fig.1), as a Marine Protected Area (MPA), is phasing out commercial fishing of Pacific halibut (Hippoglossus stenolepis) within the park.
Evans, Mark +2 more
core
Black bear density in Glacier National Park, Montana
We report the first abundance and density estimates for American black bears (Ursus americanus) in Glacier National Park (NP), Montana, USA. We used data from 2 independent and concurrent noninvasive genetic sampling methods—hair traps and bear rubs ...
Jeff B. Stetz +2 more
doaj +1 more source
Light attenuation characteristics of glacially-fed lakes [PDF]
Transparency is a fundamental characteristic of aquatic ecosystems and is highly responsive to changes in climate and land use. The transparency of glacially-fed lakes may be a particularly sensitive sentinel characteristic of these changes.
Allan, Mathew Grant +8 more
core +2 more sources
Comparing the Underwater Soundscapes of Four U.S. National Parks and Marine Sanctuaries
Passive acoustic sensors provide a cost-effective tool for monitoring marine environments. Documenting acoustic conditions among habitats can provide insights into temporal changes in ecosystem composition and anthropogenic impacts.
Samara M. Haver +11 more
doaj +1 more source
First ground penetrating radar survey on Monte Perdido glacier (Pyrenees) [PDF]
Producción CientíficaThe project “The Monte Perdido Glacier: Monitoring the glacial dynamic and the associated cryospheric processes as indicators of global change” (National Park´s 2013 Fund) aims to study the recent dynamic and degradation of this ice
Heras Barrueco, Andrés +5 more
core +1 more source
Reports and Maps of the Geological Survey Released Only in the Open Files, 1966 [PDF]
There is a reference to the Espey "Some effects on urbanization on storm runoff, Waller Creek".Waller Creek Working ...
Brett, George W. +2 more
core +1 more source
New Records of Leptothorax Wilsoni From Western North America
The parasitic ant Leptothorax wilsoni Heinze, 1989 was recorded from New Hampshire, Quebec, and New Brunswick. We report on colonies found in two sites in Jasper National Park, Alberta and in one site south of Glacier National Park, Montana.
A. Buschinger, R. D. Schumann
doaj +1 more source
Host plant resistance promotes a secondary pest population
Insecticides can cause secondary pest outbreaks that weaken the benefit of chemical pest control. These detrimental nontarget effects motivate the use of alternative pest management strategies such as host plant resistance and intercropping.
Cory S. Straub +3 more
doaj +1 more source

