Results 21 to 30 of about 1,578,040 (262)
Informing conservation and management decisions for habitats frequented by species of high management interest often face the challenge of limited resources for conducting wildlife surveys.
Cody E. Deane +4 more
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The Gydan Peninsula is one of the least explored and inaccessible Arctic regions in both the Yamalo-Nenetsky Autonomous Okrug and Russia as a whole. In 2016–2017 we conducted a survey of the Gydansky State Nature Reserve and adjacent areas, counted and ...
Sofia B. Rozenfeld +6 more
doaj +1 more source
Photograph: Blue Ridge Aerial Surveys, "Aerial View of Reston," Undated
Image: Photo, black and white original; 10" x 8" (25.3 cm x 20.3 cm)Undated aerial view of Reston, Virginia taken by Blue Ridge Aerial Surveys. In this image, snow can be seen covering roads and the ground. Most trees do not have leaves.
Blue Ridge Aerial Surveys
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Use of Unmanned Aerial Vehicles for Traffic Surveys
The paper deals with the topic of monitoring traffic using unmanned aerial vehicles. The main research goal was to test the possibility of using aerial vehicles for traffic engineering applications, especially for determining the traffic intensity on ...
Kampf Rudolf +3 more
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Harbour Porpoise Abundance in Portugal over a 5-Year Period and Estimates of Potential Distribution
The Iberian porpoise population is small and under potentially unsustainable removal by fisheries bycatch. Recently, a marine Site of Community Importance (SCI) was legally approved in Portugal, but no measures ensued to promote porpoise conservation ...
Andreia Torres-Pereira +10 more
doaj +1 more source
Blue Ridge Aerial Surveys, "Aerial View of Reston, Virginia," 1966
Image: Photo, black and white original; 10" x 8" (25.3 cm x 20.3 cm)Aerial view of Reston, Virginia taken by Blue Ridge Aerial Surveys in 1966. Image shows Lake Anne in the top right corner and early construction of Whiele Avenue from center of image to ...
Blue Ridge Aerial Surveys
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Narwhal (Monodon monoceros) detection by infrared flukeprints from aerial survey imagery
Visual and observer aerial surveys are important for monitoring wildlife populations but are subject to visibility biases where animals may go undetected.
Katie R. N. Florko +5 more
doaj +1 more source
Photograph: Blue Ridge Aerial Surveys, "Aerial View Reston, Virginia," 1966
Image: Photo, black and white original; 10" x " (25.3 cm x 19.1 cm)Aerial view of Reston, Virginia taken by Blue Ridge Aerial Surveys in 1966. In this image, Lake Anne can be seen in the upper right hand corner. In the bottom left corner, the Dulles Toll
Blue Ridge Aerial Surveys
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Blue Ridge Aerial Surveys, "Aerial View of Reston, Virginia," undated
Image: Photo, black and white original; 10" x 8" (25.3 cm x 20.3 cm)Aerial view of Reston, Virginia taken by Blue Ridge Aerial Surveys. Image is undated. In this image, Lake Anne can be identified.
Blue Ridge Aerial Surveys
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TOWARD AUTOMATIC GEOREFERENCING OF ARCHIVAL AERIAL PHOTOGRAMMETRIC SURVEYS [PDF]
Images from archival aerial photogrammetric surveys are a unique and relatively unexplored means to chronicle 3D land-cover changes over the past 100 years.
S. Giordano, A. Le Bris, C. Mallet
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