Nesting Birds Of The Shishmaref Inlet Area Seward Peninsula Alaska And The Possible Effects Of Reindeer Herding And Grazing On Nesting Birds
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Author | : Robert E. Noble |
Publisher | : |
Total Pages | : 404 |
Release | : 1977 |
Genre | : Birds |
ISBN | : |
Download Nesting Birds of the Shishmaref Inlet Area, Seward Peninsula, Alaska and the Possible Effects of Reindeer Herding and Grazing on Nesting Birds Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 726 |
Release | : 1979-03 |
Genre | : Continental shelf |
ISBN | : |
Download Environmental Assessment of the Alaskan Continental Shelf Book in PDF, Epub and Kindle
Author | : George A. Feldhamer |
Publisher | : JHU Press |
Total Pages | : 1250 |
Release | : 2003-11-19 |
Genre | : Nature |
ISBN | : 9780801874161 |
Download Wild Mammals of North America Book in PDF, Epub and Kindle
Table of contents
Author | : Leo M. Kirsch |
Publisher | : |
Total Pages | : 12 |
Release | : 1986 |
Genre | : Birds |
ISBN | : |
Download Grazing and Haying Effects on Habitats of Upland Nesting Birds Book in PDF, Epub and Kindle
Author | : Oliver Davie |
Publisher | : Musson Book Company |
Total Pages | : 568 |
Release | : 1900 |
Genre | : Birds |
ISBN | : |
Download Nests and Eggs of North American Birds Book in PDF, Epub and Kindle
Author | : Kevin K. Sedivec |
Publisher | : |
Total Pages | : 250 |
Release | : 1989 |
Genre | : |
ISBN | : |
Download Effects of Grazing Systems on Upland Nesting Birds in South Central North Dakota Book in PDF, Epub and Kindle
Effects of seasonlong grazing, complementary, short-duration,switchback, and twice-over rotation grazing treatments, and non- grazed prairie on upland nesting ducks were evaluated from nesting studies on the Central Grasslands Research Station. Undisturbed cover contained the highest densities of duck nests on the Station. Undisturbed cover consisted of grazing treatments before the initiation of the grazing season, which contained the highest percentage of total duck nests at 58.8%, followed by deferred areas on rotation grazing treatment (16.7%),and an idle area (13.5%). Only 11% of ducks nested on grazed plots.Nesting success in 1987 and 1988 was highest on twice-over rotation grazing system with 49.3 and 34.0 percent, respectively. Nesting success in 1987 and 1988 on an idle area was 16.3 and 7.0 percent, respectively.Ducklings produced was highest on switchback grazing system with 124.3 per 40.5 ha in 1987 and highest on twice-over rotation grazing system with 74.1 per 40.5 h.
Author | : Timothy Dale Bowman |
Publisher | : |
Total Pages | : 84 |
Release | : 2004 |
Genre | : Nature |
ISBN | : |
Download Field Guide to Bird Nests and Eggs of Alaska's Coastal Tundra Book in PDF, Epub and Kindle
This water-resistant, color-illustrated book helps in identification of nests and eggs of birds on Alaska's coastal tundra. It covers the Alaska Peninsula, the Bering and Chukchi sea coasts, and the Arctic Coastal Plain including the Arctic National Wildlife Refuge and includes photos of the birds.
Author | : David Robert Charles Prescott |
Publisher | : |
Total Pages | : 30 |
Release | : 1998 |
Genre | : Bird populations |
ISBN | : |
Download Effects of Timing and Intensity of Grazing on Nest Success of Upland Nesting Birds on the University Ranch Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 184 |
Release | : 1980 |
Genre | : |
ISBN | : |
Download Subsistence Hunting of Migratory Birds in Alaska and Canada, Draft Environmental Assessment (EA) B1; Final Environmental Assessment (EA) Book in PDF, Epub and Kindle
Author | : |
Publisher | : |
Total Pages | : 76 |
Release | : 1995 |
Genre | : Animal populations |
ISBN | : |
Download Monitoring Populations and Productivity of Seabirds at Colonies in Lower Cook Inlet, Alaska in 1993 and 1994 Book in PDF, Epub and Kindle