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2004, Open file (Geological Survey of Canada), Volume 4839., iii, 55
Book
2001, Open file (Geological Survey of Canada), Volume 4020., ii, 133
Book
1996, Open file (Geological Survey of Canada), Volume 3301., 67
Book
1977, 59
In the spring of 1977, OCSEAP funded the present study for the purposes of complementing the large bank of forage fish data accrued in 1976 under OCSEAP... 
spawning | Bering Sea | aerial surveys | marine water | marine fish | United States | biological sampling | abundance | community composition | Alaska | stock assessment | geographical distribution
Book
2016, Canadian technical report of fisheries and aquatic sciences, ISBN 9780660043012, Volume 3153., iii, 14
To improve estimates of wildlife population abundance, photographic survey techniques are being incorporated into traditional survey methods at an increasing... 
quantitative distribution | population density | aerial surveys | Phoca hispida | marine water | aerial photography | marine mammals | PNW | population number | Hudson Bay
Book
2002, ISBN 0849316014, viii, 247 p., [16] p. of col. plates
Book
Geomorphology, ISSN 0169-555X, 03/2017, Volume 280, pp. 51 - 66
Structure-from-motion (SfM) algorithms greatly facilitate the production of detailed topographic models from photographs collected using unmanned aerial... 
Bundle adjustment | UAV | Ground control | Structure-from-motion | IMAGERY | UNMANNED AERIAL VEHICLE | EROSION | DEM | ACCURACY | GEOGRAPHY, PHYSICAL | GEOSCIENCES, MULTIDISCIPLINARY | UNCERTAINTY | PHOTOGRAMMETRY | ERROR | ELEVATION MODELS | SLOPE | Case studies | Surveys | Drone aircraft | Landslides | Geomorphology | Monte Carlo method
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