Last edited by Yole
Tuesday, April 28, 2020 | History

1 edition of population study of golden eagles in the Altamont Pass Wind Resource Area found in the catalog.

population study of golden eagles in the Altamont Pass Wind Resource Area

population study of golden eagles in the Altamont Pass Wind Resource Area

second-year progress report

by

  • 313 Want to read
  • 10 Currently reading

Published by NREL, National Technical Information Service [distributor] in Golden, Colo, Springfield, Va .
Written in English

    Places:
  • California,
  • Altamont Pass Region.
    • Subjects:
    • Golden eagle -- California -- Altamont Pass Region.,
    • Bird populations -- California -- Altamont Pass Region.

    • Edition Notes

      Statementprepared by Predatory Bird Research Center, Long Marine Laboratory, University of California ; prepared for National Renewable Energy Laboratory.
      SeriesNREL/SR ;, 440-23087
      ContributionsSanta Cruz Predatory Bird Research Group., National Renewable Energy Laboratory (U.S.)
      Classifications
      LC ClassificationsQL696.F32 P66 1997
      The Physical Object
      Paginationiv, 70, [24] p. :
      Number of Pages70
      ID Numbers
      Open LibraryOL285278M
      LC Control Number97188281

      Two new studies released this month spotlight potential challenges with managing eagle populations in the west, reports the Wildlife Management Institute. The one study focuses on the mortality of bald and golden eagles at wind energy facilities while the other focuses on the overall population of golden eagles in the west. The findings come at a time when the .   A population study of Golden Eagles in the Altamont Pass Wind Resource Area: population trend analysis NREL/SR Predatory Bird Research Group, University of California, Santa Cruz.   Using DNA from tissue and stable isotopes from the feathers of golden eagle carcasses, researchers from Purdue University and the U.S. Geological Survey found that golden eagles killed at the Altamont Pass Wind Resource Area in northern California can come from hundreds of miles away.


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population study of golden eagles in the Altamont Pass Wind Resource Area Download PDF EPUB FB2

The habitat surrounding the Altamont Pass Wind Resource Area (WRA) supports a substantial resident population of golden eagles (Aquila chrysaetos), perhaps one of the most dense ever recorded. Each year, the wind industry reports 28–43 golden eagles killed by turbine blade strikes in the Altamont WRA.

This report details the results of field studies conducted from November through August in the Altamont Pass. This report updates and supplements the first year's report (NREL/TP). The primary focus of the research is to quantify the effect of turbine-related mortality on the golden eagle : Paperback.

A pilot golden eagle population study in the Altamont Pass Wind Resource Area, California Technical Report Hunt, G Orloff and Flannery () estimated that several hundred reports are annually killed by turbine collisions, wire strikes, and electrocutions at the Altamont Pass Wind Resource Area (WRA).Cited by: A Population Study of Golden Eagles in the Altamont Pass Wind Resource Area: Second-Year Progress Report.

Report by University of California Santa Cruz. Report for National Renewable Energy Laboratory (NREL). The wind industry has annually reported turbine blade strike casualties of golden eagles in the Altamont Pass Wind Resource Area, and many more carcasses have doubtless gone unnoticed.

Because this species is especially sensitive to adult survival rate changes, we focused upon estimating the demographic trend of the population. In aerial surveys, we monitored.

A Population Study of Golden Eagles in the Altamont Pass Wind Resource Area: Population Trend Analysis, Technical Report Hunt, W. ; Jackman, R. ; Hunt, T. ; The wind industry has annually reported turbine blade strike casualties of golden eagles in the Altamont Pass Wind Resource Area, and many more carcasses have doubtless gone.

"A Population Study of Golden Eagles in the Altamont Pass Wind Resource Area: Population Trend Analysis –" • From 23 January to 25 Maythe authors surveyed 58 of 61 golden eagle territories that were occupied by pairs in within 30 km of the WRA boundary • Hunt, W.

The open grasslands, scattered oaks, and bountiful prey make this area ideal habitat population study of golden eagles in the Altamont Pass Wind Resource Area book Golden Eagles.

Today, it supports the highest-known density of Golden Eagle nesting territories in the world. Conservation Issues. Every year, an estimated 75 to Golden Eagles are killed by the wind turbines in the Altamont Pass Wind Resource Area (APWRA). Some lose their wings.

The Altamont Pass Wind Resource Area is within and adjacent to population study of golden eagles in the Altamont Pass Wind Resource Area book of the densest nesting populations of golden eagles in the world.

SCOTT SHAFER: Golden eagles are protected under federal law. In an square-mile area blanketed by the Altamont wind facility, no eagles have nested for more than 20 years even though the area is prime habitat, Mr. Wiegand says.

Overall, there has been an 80 percent population decline for the golden eagle in Southern California, he on: Altamont Pass, Alameda County, California. The trend of golden eagle territory occupancy in the vicinity of the Altamont Pass Wind Resource Area: survey Article population study of golden eagles in the Altamont Pass Wind Resource Area book Available).

Duringthe Predatory Bird Research Group, University of California, Santa Cruz, conducted a preliminary field investigation of the ecology of golden eagles (Aquila chrymem) in the vicinity of the Altamont Pass Wind Resource Area (WRA).The facility contains about 6, wind turbines on km2 just east of San Francisco Bay in California.

Driscoll, and L. Culp. A pilot Golden Eagle population study in the Altamont Pass Wind Resource Area, California. Report to National Renewable Energy Laboratory, Subcontract No.

XCG to the Predatory Bird Research Group, University of California, Santa Cruz. PDF | On Oct 1,Tanya M. Shenk and others published A model to estimate the annual rate of golden eagle population change at the Altamont Pass Wind Resource Area |.

Wind turbines killing more than just local birds, study finds found that golden eagles killed at the Altamont Pass Wind Resource Area in northern California can come from hundreds of miles.

“The results of our work here show golden eagle populations of the Altamont Pass Wind Resource Area are sustained by immigration from elsewhere in North America,” said Todd Katzner, USGS wildlife biologist and lead author of a new article describing the study published in.

Hunt G () A pilot golden ealge population study in the Altamont Pass Wind Resource Area: population trend analysis – Santa Cruz, CA: National Renewable Energy Laboratory.

NREL/SR–Cited by: An additional study on Golden Eagle found that the sub-adult and floater components of the Altamont Pass population are highly susceptible to collision with the wind turbines, and that this mortality prevented the maintenance of sufficient reserves of nonbreeding adults, suggesting that an eventual decline in the breeding population is possible.

A pilot golden eagle population study in the Altamont Pass Wind Resource Area, California. By G. Hunt bam owls (Tyto alba), and others. Among the species of raptors killed at Altamont Pass, the one whose local population is most likely to be impacted is the golden eagle.

Besides its being less abundant than the others, the breeding and Cited by: The Trend Of Golden Eagle Territory Occupancy In The Vicinity Of The Altamont Pass Wind Resource Area: Survey (cont.) • all 58 that were occupied by pairs in were occupied by pairs in• indicates that the breeding population of golden eagles within the vicinity of Altamont Pass remains intact.

• however, the Altamont WRA kills more eagles than can be. The number of eagles, kestrels, burrowing owls and red-tailed hawks killed each year by flying into the wind generators at Altamont Pass in Alameda.

Wind turbines killing more than just local birds, study finds WEST LAFAYETTE, Ind. - Wind turbines are known to kill large birds, such as golden eagles, that live nearby.

Now there is evidence that birds from up to hundreds of miles away make up a significant portion of the raptors that are killed at these wind energy fields. Golden Eagle (Aquila chrysaetos) Species Accounts ♦ Birds in andwithin a sq km wind resource area, a portion of which is within the ECCC HCP/NCCP inventory area.

Brood sizes for this A population study of golden eagles in the Altamont Pass Wind. The density of golden eagles near the Altamont Pass Wind Resource Area is notably high, and this outbreak might reflect habitat changes bringing individuals into closer contact or increasing stress.

Consistent multidisciplinary data collection is needed for identification of the mite’s host species range, ecology, and pathogenicity and for Cited by: 3. Golden Eagles Better Protected.

Golden eagles are of particular concern in the Altamont Pass, which is part of the densest nesting area for these raptors in the world, Bell says.

According to Alameda County estimates, wind turbines at Altamont killed some 35 golden eagles in In this region there are the four wind resource areas, Altamont Pass, Montezuma hills, Tehachapi and Pacheco Pass.

About 53 of the golden eagles in this estimate are being killed outside Altamont. More than 40 golden eagles, up to red-tailed hawks, up to burrowing owls, and hundreds of other raptors are killed annually by the wind turbines that cover Altamont Pass.

On Novem the East County Board of Zoning Adjustments renewed permits for more than 1, turbines on wind farms in the Altamont Wind Resource Area (AWRA). Aug. 27, — Collisions with wind turbines kill about golden eagles a year in some locations, but a new study that maps both potential wind-power sites and nesting patterns of the birds.

Hunt, W. A population study of golden eagles in the Altamont Pass Wind Resource Area: population trend analysis —Executive summary. Pages in Proceedings of National Avian-Wind Power Planning Meeting III, San Diego, California, May. The density of golden eagles near the Altamont Pass Wind Resource Area is notably high, and this outbreak might reflect habitat changes bringing individuals into closer contact or increasing stress.

Consistent multidisciplinary data collection is needed for identification of the mite’s host species range, ecology, and pathogenicity and for. Roughly over a quarter of the golden eagles killed at the Altamont Pass Wind Resource Area in Northern California from were recent immigrants to the local population, according to research led by the U.S.

Geological Survey. But on J the rehabilitated golden eagle’s life came to a heartbreaking, premature end. She was found on the ground by two power workers at an older wind turbine farm in the Altamont Pass Wind Resource Area. She was alive, but unable to fly. Her wing had been struck and badly damaged by a wind turbine.

The Trend of Golden Eagle Territory Occupancy in the Vicinity of the Altamont Pass Wind Resource Area: Survey is the final report for the Avian-Energy System Mitigation Program project, contract numberGolden Eagle Nest Occupancy Trend in.

The study also excluded the Altamont Pass Wind Resource Area in California, where various studies suggest that between 40 and golden eagles are killed annually, according to a California. At the large wind farm of Altamont Pass, California, golden eagles (GE) have been reported to be killed by turbine blades yearly.

This was established by a comprehensive study realized by Dr Smallwood in (1). Extrapolating to the 25 years of existence of the wind farm, this would represent a toll of about 2, golden eagles. Adding to. Bald Eagle and Golden Eagle Mortalities at Wind Energy Facilities in the Contiguous United States.

Author: Pagel, Joel; et al. [abstract] Individuals of Haliaeetus leucocephalus and Aquila chrysaetos have been killed in U.S. wind energy installations. We found the number to be at least 85 eagles killed, including 6 individuals of H.

leucocephalus and 79 of A. chrysaetos, in 32 wind. Altamont Pass Wind Resource Area (APWRA) between October and October We analyzed data from the first two years of this study to calculate average annual mortality rates and an APWRA-wide fatality estimate for all species as well as for four raptor species (golden eagle, red-tailed hawk.

Golden Eagle Fatalities and Relative Abundance in the Altamont Pass Wind Resource Area – Implications for Population Modeling Jesse D.M. Schwartz1, Doug Leslie, and Chris Brungardt 1ICF INTERNATIONAL, SW Alder St., 2nd Floor, Portland, OR Contact: [email protected] Literature Cited.

hazard models of golden eagle, red-tailed hawk, and American kestrel, flight behavior data were collected and then related to terrain. For golden eagles, we also made use of GPS/GSM telemetry data collected from 18 golden eagles fitted with transmitters and flying over portions of the Altamont Pass Wind Resource Area (Bell and Nowell ).

Table 1. Status and summary of birds found killed by wind turbines in the Altamont Pass Wind Resources Area, California, USA, May –May a Annual deaths previously attributed to the APWRA's wind turbines included 28–43 golden eagles (Aquila chrysaetos) reported by the wind power companies (Hunt et al.

).Scientific estimates Cited by:. For compllete story: Each year, about 70 golden eagles are killed by the rotating blades of Altamont Pass's nearly 5, wind turbines.The Raptor Research Foundation Conference organizers and participating organizations are am - pm Altamont Wind Pass Region field trip See page 9 for details am hand to show copies of his newest book Enter the Realm of the Golden Size: 5MB.Ebook Altamont Pass Wind Resource Area (APWRA) is home to a number of wind energy facilities owned by several companies that provide electrical power to California.

Operational since the early s, at its peak the APWRA contained over 7, early technology wind turbines. Multiple studies have evaluated.