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Responses Of Mexican Spotted Owls To Low Flying Military Jet Aircraft
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Book Synopsis Responses of Mexican Spotted Owls to Low-flying Military Jet Aircraft by : Charles L. Johnson
Download or read book Responses of Mexican Spotted Owls to Low-flying Military Jet Aircraft written by Charles L. Johnson and published by . This book was released on 2002 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Responses of Mexican Spotted Owls to Low-flying Military Jet Aircraft by : Charles L. Johnson
Download or read book Responses of Mexican Spotted Owls to Low-flying Military Jet Aircraft written by Charles L. Johnson and published by . This book was released on 2002 with total page 4 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis RESPONSES OF MEXICAN SPOTTED OWLS TO LOW-FLYING MILITARY JET AIRCRAFT... RESEARCH NOTE RMRS-RN-12... U. S. DEPARTMENT OF AGRICULTURE... JANUA. by :
Download or read book RESPONSES OF MEXICAN SPOTTED OWLS TO LOW-FLYING MILITARY JET AIRCRAFT... RESEARCH NOTE RMRS-RN-12... U. S. DEPARTMENT OF AGRICULTURE... JANUA. written by and published by . This book was released on 2002* with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Note RMRS written by and published by . This book was released on 1998 with total page 8 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research Paper RMRS written by and published by . This book was released on 1998 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cannon Air Force Base (AFB), AFSOC Assets Beddown by :
Download or read book Cannon Air Force Base (AFB), AFSOC Assets Beddown written by and published by . This book was released on 2007 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book West Coast Basing of the MV-22 written by and published by . This book was released on 2009 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book New Publications written by and published by . This book was released on 2002 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis New Mexico Training Range Initiative by :
Download or read book New Mexico Training Range Initiative written by and published by . This book was released on 2006 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sound Recordings of Road Maintenance Equipment on the Lincoln National Forest, New Mexico by : David K. Delaney
Download or read book Sound Recordings of Road Maintenance Equipment on the Lincoln National Forest, New Mexico written by David K. Delaney and published by . This book was released on 2004 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this pilot study was to record, characterize, and quantify road maintenance activity in Mexican spotted owl (Strix occidentalis lucida) habitat to gauge potential sound level exposure for owls during road maintenance activities. We measured sound levels from three different types of road maintenance equipment (rock crusherlloader, dozerlroller, and grader), from seven distances (30,60, 120, 180,240,320, and 400 m), in two different habitat types (forested and meadow sites) on the Lincoln National Forest, New Mexico, on 22-23 October 2002 to determine how sound varied over distance, habitat type, topography, and stimulus type. Sound levels increased as the distance between road maintenance activity and microphone locations decreased, regardless of stimulus type or habitat type. Concomitantly, the amount of sound energy within the middle frequency range decreased substantially with increasing stimulus distance from microphone locations. The frequency range over which owls can potentially hear road maintenance events decreased with increasing stimulus distance. Sound recordings of road maintenance equipment were louder at tree microphones than at base microphones, regardless of stimulus distance, stimulus type, and site location. The difference in sound levels between tree and base microphones at each distance was consistently louder at meadow sites (tree microphones were located in trees along the edge of the meadow during testing at the meadow site) compared with forested sites, regardless of stimulus type or stimulus distance. Tree microphones registered a greater proportion of sound energy from road maintenance activities in the middle frequency range than at base microphones, regardless of stimulus type, stimulus distance or site location. Sound level and frequency spectra varied by stimulus type. Rock crushing equipment registered the highest sound levels of any of the road maintenance equipment tested, regardless of stimulus distance or habitat type. Rock crushing equipment had the greatest amount of sound energy in the middle frequency range of all the road maintenance equipment tested, followed by the dozerlroller and the grader, regardless of stimulus distance or habitat type. Road maintenance equipment was consistently louder than background ambient forest and meadow sound levels over a range of distances from 30 to 400 m. The extended duration of both rock crusher sound and the multiple passes required of the grader and dozerlroller are additional, potentially negative considerations. Based on our previous sound research with this species, it appears that spotted owls are capable of hearing all the sound sources tested during this pilot study out to distances of at least 400 m.
Book Synopsis Colorado Airspace Initiative, Modifications to the National Airspace System, Existing Military Operations Areas (MOA), and Military Training Routes (MTR) [CO,NM,KS,NE,WY] by :
Download or read book Colorado Airspace Initiative, Modifications to the National Airspace System, Existing Military Operations Areas (MOA), and Military Training Routes (MTR) [CO,NM,KS,NE,WY] written by and published by . This book was released on 1997 with total page 816 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 2002 with total page 560 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Holloman Air Force Base (AFB), Proposed Expansion of German Air Force Operations by :
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Book Synopsis Realistic Bomber Training Initiative by :
Download or read book Realistic Bomber Training Initiative written by and published by . This book was released on 2000 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ecological Responses by Mexican Spotted Owls to Environmental Variation in the Sacramento Mountains, New Mexico by : James P. Ward
Download or read book Ecological Responses by Mexican Spotted Owls to Environmental Variation in the Sacramento Mountains, New Mexico written by James P. Ward and published by . This book was released on 2001 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Grand Canyon National Park (N.P.), Fire Management Plan by :
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Book Synopsis Little Pend Oreille National Wildlife Refuge by :
Download or read book Little Pend Oreille National Wildlife Refuge written by and published by . This book was released on 2002 with total page 252 pages. Available in PDF, EPUB and Kindle. Book excerpt: