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Author : Peter W. C. Paton
Publisher :
Page : 11 pages
File Size : 40,51 MB
Release : 1989
Category : Bird surveys
ISBN :
A handbook on conducting transect surveys of marbled murrelet in inland forested sites within 75 km. of the ocean along the Pacific coast from California to Alaska.
Author :
Publisher :
Page : 16 pages
File Size : 11,53 MB
Release : 1990
Category : Bird populations
ISBN :
Author :
Publisher :
Page : 16 pages
File Size : 23,91 MB
Release : 1990
Category : Bird populations
ISBN :
The marbled murrelet (Brachyramphus marmoratus), a seabird, nests in forested stands from southeast Alaska south to Santa Cruz, California. Because of this species' close association with old-growth forests, researchers and land managers need a method to assess murrelet distribution and use patterns throughout its range. This guide describes a standardized method for surveying marbled murrelets used by researchers in California and Oregon during 1988 and 1989. Transects can be used to assess activity patterns over large blocks of land, such as States or counties. Stationary counts using an intensive inventory method can be used to survey small acreages, such as individual timber sales. In addition to bird counts, vegetation and physical data should be collected at each census point. The guide includes a form that can be used to design studies and determine activity patterns and potential use.
Author : S. Kim Nelson
Publisher :
Page : 23 pages
File Size : 22,29 MB
Release : 1992
Category :
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Author :
Publisher :
Page : 146 pages
File Size : 44,1 MB
Release : 1992
Category : Birds
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Author :
Publisher :
Page : 474 pages
File Size : 28,7 MB
Release : 1978
Category : Forests and forestry
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Author :
Publisher :
Page : 744 pages
File Size : 49,25 MB
Release : 1992
Category : Vertebrates
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Author :
Publisher :
Page : 432 pages
File Size : 42,29 MB
Release : 1995
Category : Alcidae
ISBN :
Author : C. John Ralph
Publisher : DIANE Publishing
Page : 434 pages
File Size : 22,95 MB
Release : 1997-04
Category : Science
ISBN : 9780788141621
This report was compiled & edited by the interagency Marbled Murrelet Conservation Assessment Core Team. The 37 chapters cover both original studies & literature reviews of many aspects of the species' biology, ecology, & conservation needs. It includes new information on the forest habitat used for nesting, marine distribution, & demographic analyses; & describes past & potential effects of humans on the species habitats. Future research needs & possible management strategies for both marine & forest habitats are suggested. Charts & tables.
Author :
Publisher :
Page : 1020 pages
File Size : 13,82 MB
Release : 2000
Category : Birds
ISBN :