نتائج البحث - "Robert J. Ritchie"

1

Spatial distribution of band recoveries of black brant

المؤلفون: Thomas V. Riecke, James S. Sedinger, Robert J. Ritchie, David H. Ward, Jerry W. Hupp, Alan G. Leach

المصدر: The Journal of Wildlife Management. 83:304-311

مصطلحات موضوعية: 0106 biological sciences, Black brant, Ecology, Spatial distribution, 010603 evolutionary biology, 01 natural sciences, 010601 ecology, Geography, Yukon kuskokwim delta, General Earth and Planetary Sciences, Physical geography, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, General Environmental Science

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::58d07c2c849061b6479c2a158a4407aa
https://doi.org/10.1002/jwmg.21595

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2

Declining survival of black brant from subarctic and arctic breeding areas

المؤلفون: Alan G. Leach, Robert J. Ritchie, W. Sean Boyd, James S. Sedinger, Mark S. Lindberg, David H. Ward, Jerry W. Hupp

المصدر: The Journal of Wildlife Management. 81:1210-1218

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::c9240b6a66e85a7f21d6593fd1510b9f
https://doi.org/10.1002/jwmg.21284

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3

Rapid Growth of a Nesting Colony of Lesser Snow Geese (Chen caerulescens caerulescens) on the Ikpikpuk River Delta, North Slope, Alaska, USA

المؤلفون: Tim Obritschkewitsch, Robert M. Burgess, John E. Shook, Brian T. Person, Robert Suydam, Robert J. Ritchie, Alexander K. Prichard

المصدر: Waterbirds. 40:11-23

مصطلحات موضوعية: 0106 biological sciences, Delta, Chen caerulescens caerulescens, geography, River delta, geography.geographical_feature_category, biology, Ecology, Range (biology), Snow, biology.organism_classification, 010603 evolutionary biology, 01 natural sciences, 010601 ecology, Nesting (computing), Animal Science and Zoology, Flock, Ursus

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b75cfd6d0b1f4614145955c435b826c5
https://doi.org/10.1675/063.040.0103

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4

Recovery of American peregrine falcons along the upper Yukon River, Alaska

المؤلفون: Skip Ambrose, David C. Payer, Robert M. O'Brien, Chris Florian, Robert J. Ritchie

المصدر: The Journal of Wildlife Management. 80:609-620

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::22778f9375e47f63321571423984d77c
https://doi.org/10.1002/jwmg.1058

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5

Academic Journal

Distribution and Population Status of Bald Eagles (Haliaeetus leucocephalus) in Interior Alaska

المؤلفون: Robert J. Ritchie, Skip Ambrose

المساهمون: The Pennsylvania State University CiteSeerX Archives

المصدر: http://pubs.aina.ucalgary.ca/arctic/arctic49-2-120.pdf.

وصف الملف: application/pdf

Relation: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.2514; http://pubs.aina.ucalgary.ca/arctic/arctic49-2-120.pdf

الاتاحة: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.576.2514
http://pubs.aina.ucalgary.ca/arctic/arctic49-2-120.pdf

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6

Use of and Responses to Audio Survey Technique by Peregrine Falcons in Alaska

المؤلفون: Skip Ambrose, Robert J. Ritchie, Christine Florian

المصدر: Northwestern Naturalist. 95:125-128

مصطلحات موضوعية: Geography, Falco peregrinus anatum, General Earth and Planetary Sciences, Zoology, General Environmental Science

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::945cbf22f21cbb2b8b21bd5b0a0dc1ba
https://doi.org/10.1898/nwn13-33.1

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7

Recovery and Trends of Peregrine Falcons Breeding in the Yukon-Tanana Uplands, East-Central Alaska, 1995–2003

المؤلفون: John E. Shook, Robert J. Ritchie

المصدر: Journal of Raptor Research. 45:150-159

مصطلحات موضوعية: education.field_of_study, Geography, Occupancy, Falco peregrinus anatum, Nest, Ecology, Population, Remote area, Animal Science and Zoology, education

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::1ba8a9f1e596aaa060b1a18115314210
https://doi.org/10.3356/jrr-09-13.1

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8

Effects of Oil Development on Providing Nesting Opportunities for Gyrfalcons and Rough-Legged Hawks in Northern Alaska

المؤلفون: Robert J. Ritchie

المصدر: The Condor. 93:180-184

مصطلحات موضوعية: Geography, Current distribution, biology, Environmental protection, Animal welfare, Nesting (computing), Animal Science and Zoology, Mainland, Deroptyus accipitrinus, biology.organism_classification, Anthropogenic factor, Archaeology, Ecology, Evolution, Behavior and Systematics

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::5a28d09940605109af4facb60bb97cb3
https://doi.org/10.2307/1368623

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9

The Effects of Noise on Birds of Prey: A Study of Peregrine Falcons (Falco peregrinus) in Alaska

المؤلفون: Daniel D. Roby, Angela G. Palmer, Michael D. Smith, Robert J. Ritchie, Stephen M. Murphy

مصطلحات موضوعية: Fishery, Engineering, Noise, Peregrinus, Nest, Aircraft noise, Meteorology, business.industry, Direct observation, Wildlife, business, Jet noise, Predation

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::e68e0d988b642b1801a02e2669d46c43
https://doi.org/10.21236/ada412021

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10

Tundra Swans

المؤلفون: James G. King, Robert J. Ritchie

مصطلحات موضوعية: geography, education.field_of_study, geography.geographical_feature_category, Resource (biology), Productivity (ecology), Habitat, Aerial survey, Coastal plain, Ecology, Population, education, Tundra, Sound (geography)

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::50481dbf16f925bd644ad7abbd2259bf
https://doi.org/10.1016/b978-012701235-3/50012-x

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11

Contributors

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::c541b52f3a5671623fe6f9e150a78525
https://doi.org/10.1016/b978-012701235-3/50000-3

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12

Distribution and Population Status of Bald Eagles (Haliaeetus leucocephalus) in Interior Alaska

المؤلفون: Skip Ambrose, Robert J. Ritchie

المصدر: ARCTIC. 49

مصطلحات موضوعية: military, education.field_of_study, Geography, Nest, Ecology, Population, military.commander, Organochlorine pesticide, Bald eagle, education, Population status, Ecology, Evolution, Behavior and Systematics

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::e300fb61eb03f200e8cc061523edd31f
https://doi.org/10.14430/arctic1190

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13

Air Sustainment of Military Operations: Practical Problems and Prospects

المؤلفون: Robert J. Ritchie

مصطلحات موضوعية: Engineering, Operational readiness, Air transport, Aeronautics, business.industry, Software deployment, Airlift, Command and control, Economic shortage, Operations management, Material requirements, business, Gulf war

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::08a0df5182b1f51f22b547e3acc92414
https://doi.org/10.21236/ada279464

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14

Mixed-Species Swan Flocks Migrating in East-Central Alaska

المؤلفون: James G. King, Brian A. Cooper, Robert J. Ritchie

المصدر: Northwestern Naturalist. 79:104

مصطلحات موضوعية: biology, Ecology, Bird migration, Zoology, Grus (genus), biology.organism_classification, Tundra, Trumpeter, Geography, Mixed species, Sandhill, General Earth and Planetary Sciences, Flock, Larus, General Environmental Science

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::8ca8182539f3b7ce86d4099bdfa51c1a
https://doi.org/10.2307/3536839

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15

Australian Birds of Prey

المؤلفون: Robert J. Ritchie, Penny Olsen

المصدر: The Journal of Wildlife Management. 61:1453

مصطلحات موضوعية: Ecology, General Earth and Planetary Sciences, Zoology, Biology, Ecology, Evolution, Behavior and Systematics, Nature and Landscape Conservation, General Environmental Science, Predation

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::fb87b490cfaf5117e424f69c05433808
https://doi.org/10.2307/3802162

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16

Comments on the Status of Certain Birds on the North Slope of Alaska

المؤلفون: Theodor R. Swem, Robert J. Ritchie, Clayton M. White

المصدر: Northwestern Naturalist. 73:84

مصطلحات موضوعية: Riparia, geography.geographical_feature_category, Sandpiper, biology, Empidonax, biology.organism_classification, Tundra, Falco columbarius, Geography, Habitat, Tributary, General Earth and Planetary Sciences, Physical geography, Tringa, General Environmental Science

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::b5b20352cb1a284c7b6a9886f1ab2741
https://doi.org/10.2307/3536713

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17

Probable Common Flicker Nest on the North Slope of the Brooks Range, Alaska

المؤلفون: Robert J. Ritchie

المصدر: The Murrelet. 59:31

مصطلحات موضوعية: Nest, Range (biology), Physical geography, Common flicker, Geology

URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::1221259b280c73775208b601d8d907b7
https://doi.org/10.2307/3534727

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