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FORT scientists have produced more than 2000 peer reviewed publications that are registered in the USGS Publications Warehouse, along with many others prior to their work at the USGS or in conjunction with other government agencies.

Filter Total Items: 2402

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March 1, 1994

Are cicadas (Diceroprocta apache) both a "keystone" and a "critical-link" species in lower Colorado River riparian communities? Are cicadas (Diceroprocta apache) both a "keystone" and a "critical-link" species in lower Colorado River riparian communities?

Apache cicada (Homoptera: Cicadidae: Diceroprocta apache Davis) densities were estimated to be 10 individuals/m2 within a closed-canopy stand of Fremont cottonwood (Populus fremontii) and Goodding willow (Salix gooddingii) in a revegetated site adjacent to the Colorado River near Parker, Arizona. Coupled with data drawn from the literature, I estimate that up to 1.3 cm (13 1/m2) of water...

Authors

Douglas C. Andersen

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1994

Ecological perspective: Linking ecology, GIS, and remote sensing to ecosystem management Ecological perspective: Linking ecology, GIS, and remote sensing to ecosystem management

Awareness of significant human impacts on the ecology of Earth's landscapes is not new (Thomas 1956). Over the past decade (Forman and Godron 1986, Urban et a1. 1987) applications of geographic information systems (GIS) and remote sensing technologies have supported a rapid rise in landscape.stale research. The heightened recognition within the research community of the ecological...

Authors

Craig D. Allen

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1994

Effects of gravel mining on natural cottonwood stands Effects of gravel mining on natural cottonwood stands

No abstract available.

Authors

M. L. Scott, E. D. Eggleston, G.T. Auble, Jonathan M. Friedman, L.S. Ischinger

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1994

A cottontail-habitat model for evaluating the Conservation Reserve Program A cottontail-habitat model for evaluating the Conservation Reserve Program

No abstract available.

Authors

T.R. Stanley

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1994

Long-term ecological research in Loch Vale Watershed, Rocky Mountain National Park. Annual Report, 1994 Long-term ecological research in Loch Vale Watershed, Rocky Mountain National Park. Annual Report, 1994

No abstract available.

Authors

E.J. Allstott, Jill Baron, B. Newkirk

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1993

Winter phytoplankton dynamics in a subalpine lake, Colorado, U.S.A Winter phytoplankton dynamics in a subalpine lake, Colorado, U.S.A

The temporal dynamics of phytoplankton were examined in The Loch, a subalpine lake in Rocky Mountain National Park, over the winter seasons of 1987-88 and 1988-89. The Loch was ice-covered from early November until early to mid May. The pattern of phytoplankton biovolume during ice-cover was consistent between the two years with maxima occurring in November/December and February/March...

Authors

S. A. Spaulding, J. V. Ward, Jill Baron

Water Resources Mission Area, Ecosystems Mission Area, Fort Collins Science Center

January 1, 1993

The Pajarito Plateau: A bibliography The Pajarito Plateau: A bibliography

This bibliography is the result of two initially independent projects. As the consulting archaeologist at Los Alamos National Laboratory (LANL), Charlie R. Steen collected entries at the suggestion of the staff of the Environmental Surveillance Group of the Health, Safety, and Environmental Division, HSE-8. The primary purpose was to aid the staff in evaluating cultural resources on LANL...

Authors

Frances Joan Mathien, Charlie R. Steen, Craig D. Allen

Ecosystems Mission Area, Fort Collins Science Center

January 1, 1993