Results 1 to 10 of about 286,506 (300)
Unmanned aerial survey of elephants. [PDF]
PLoS ONE, 2013 The use of a UAS (Unmanned Aircraft System) was tested to survey large mammals in the Nazinga Game Ranch in the south of Burkina Faso. The Gatewing ×100™ equipped with a Ricoh GR III camera was used to test animal reaction as the UAS passed, and ...
Cédric Vermeulen +4 more
doaj +6 more sources
Pachyderm, 1983 Summarizes results from the 1981 Selous aerial survey, which included about 35% of the Reserve, and compares them to the 1976 data. Elephant numbers seem to have remained relatively stable with the 1976 estimate being 82,628 +/- 17% and the 1981 one ...
Markus Borner
doaj +2 more sources
Journal of Asian Earth Sciences: X, 2022 The vast swathe of area in the Trans-Aravalli region between the western part of the South Delhi Fold Belt and eastern part of the Barmer basin, north-western India exhibits limited geological information due to thick sand cover of the Thar Desert.
Debojit Talukdar +7 more
doaj +1 more source
Scientific Reports, 2022 This study presents spatial distribution, sources and toxicological risks of As, Cr, Cu, Hg, Ni, Pb, and Zn in the surface sediments from north-western Karnataka, southern India.
Ishfaq Ahmad Mir +3 more
doaj +1 more source
The Potential of Satellite Imagery for Surveying Whales
Sensors, 2021 The emergence of very high-resolution (VHR) satellite imagery (less than 1 m spatial resolution) is creating new opportunities within the fields of ecology and conservation biology.
Caroline Höschle +4 more
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Trying to break new ground in aerial archaeology [PDF]
, 2016 Aerial reconnaissance continues to be a vital tool for landscape-oriented archaeological research. Although a variety of remote sensing platforms operate within the earth’s atmosphere, the majority of aerial archaeological information is still derived ...
Sevara, Christopher, Verhoeven, Geert
core +6 more sources
Frontiers in Earth Science, 2022 Urban geological modeling (UGM) is a fundamental approach for the visualization of underground space and recognition of complex geological conditions of a city.
Fang Zhou +7 more
doaj +1 more source
Scientific Reports, 2021 A gold–silver–lead–zinc polymetallic ore was selected in Huaniushan, Gansu Province as the study area. Hyperspectral aerial images as the primary information source, ground spectrum tests, and sampling analysis were used as auxiliary techniques.
Yu-qing Wan, Yu-hai Fan, Mou-shun Jin
doaj +1 more source
Roman frontier crossing Mocanului Valley [PDF]
Cercetări Arheologice, 2022 Several years ago, within Limes Transalutanus Project (2014-2017), we dealt with several segments of the Roman limes in Teleorman County. Briefly, that meant aerial and terrestrial survey, geologic sampling and geophysics, in most of the cases.
Eugen S. Teodor +2 more
doaj +1 more source
Northeastern coast of Lake Baikal as a habitat of baikal seal Pusa sibirica in the summer period
Известия ТИНРО, 2023 Filling of the rookeries of baikal seal Pusa sibirica on the northeastern coast of Lake Baikal is surveyed instrumentally for the first time within the boundaries of protected area.
E. A. Petrov +2 more
doaj +1 more source