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Page 4908, results 122676 - 122700

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Foreword
C.S. Robbins
Sarah B. Laughlin, Douglas P. Kibbe, editor(s)
1985, Book chapter, The Atlas of Breeding Birds of Vermont
The status of osprey research in western North America
Charles J. Henny
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 9. Western North American Osprey Symposium.
The status of research on the Osprey tn western North America is reviewed. For discussion purposes the geographical populations are conveniently subdivided into Canada and Alaska, the Pacific Northwest of the United States, the western interior of the United States, and Mexico. Suggestions are made for further research on the...
Alaska peregrine falcon productivity in 1984 and the role of organochlorine residues
Robert E. Ambrose, Charles J. Henny, R. E. Hunter
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4
Twenty Peregrine Falcon (Falco peregrinus) eggs (one per eyrie) were collected at random in Alaska in 1984 for organochlorine residue analysis. Prior to this study we had obtained only addled eggs which were possibly not representative of the egg-laying population if addled eggs contained different levels of organochlorines than viable...
A review of organochlorine pesticide residues in Swainson's hawk eggs
Charles J. Henny
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 1. Workshop: Status and Listing Needs of Ferruginous and Swainson's Hawks. November 1985
U. s. Fish and Wildlife Service research projects during the last 10 years in the Pacific Northwest resulted in the collecting of a sample egg from 35 Swainson's Hawk nests (Henny and Kaiser, 1979. Murrelet 60:2-5; Henny et al. 1984. Raptor Research 18:41-48). Pesticide residues, eggshell thickness, and reproductive...
Organochlorine pesticides in plasma of migrating peregrine falcons at Padre Island, Texas, Spring 1978-80 vs. Spring 1984
Charles J. Henny, K.E. Riddle, C.S. Hulse
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 4. International Peregrine Conference Twenty-year Anniversary Meeting. November 1985
A spring concentration of migrating Peregrine Falcons (Falco peregrinus) was first discovered at Padre Island, Texas, in April 1978. The birds were first captured and blood-sampled for monitoring residue burdens and trends in the late 1970' s. Only 29 Peregrines were sampled in 1978 and 1979, but 111 were sampled...
Managing habitats for complex raptor guilds in eastern forests
K. Titus, M.R. Fuller, M. Root, P. DeSimone, J. Britt, J. A. Mosher
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 10. Second Raptor Research Foundation Conference on Raptor Conservation Techniques. November 1985
Status and conservation of raptors in the West Indies
J. W. Wiley
1985, Book chapter, Raptor Research Foundation Symposium on the Management of Birds of Prey. International Meeting. Session 7. Western Hemisphere Meeting of the World Working Group on Birds of Prey. November 1985, Sacramento, CA
Summary of bird censusing and atlasing in North America
C.S. Robbins
K. Taylor, R.J. Fuller, P.C. Lack, editor(s)
1985, Book chapter, Bird Census and Atlas Studies: Proceedings of the VIII International Conference on Bird Census and Atlas Work
This paper reviews the historical development, present status and methods of the principal bird census and atlas projects in North America....
Recent changes in the ranges of North American birds
C.S. Robbins
V.D. Ilyichev, V.M. Gavrilov, editor(s)
1985, Book chapter, Acta XVIII Congressus Internationalis Ornithologici, volume II
The North American Breeding Bird Survey has provided an annual index of population change since 1966. About 2400 randomly distributed roadside routes of 50 three-minute stops each provide the basic data for computer analysis. One of the reports produced shows the percentage of routes on which each species is encountered...
The manatee in Haiti
G. B. Rathbun, C.A. Woods, J. A. Ottenwalder
1985, Oryx (19) 234-236
The future looks bleak for the manatee population in the waters around Haiti. Results of a survey conducted by the US Fish and Wildlife Service suggest that numbers have declined drastically over the last 50 years. The best hope for the few remaining is that the hunting expertise will vanish...
Habitat Suitability Index Models: Snowshoe hare
Raymond G. Carreker
1985, FWS/OBS 82/10.101
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the Snowshoe hare (Lepus americanus). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...
Habitat Suitability Index Models: Swamp rabbit
Arthur W. Allen
1985, FWS/OBS 82/10.107
A review and synthesis of existing information were used to develop a Habitat Suitability Index (HSI) model for the swamp rabbit (Sylvilagus aquaticus). The model consolidates habitat use information into a framework appropriate for field application, and is scaled to produce an index between 0.0 (unsuitable habitat) to 1.0 (optimum...