Zobrazeno 1 - 10
of 3 897
pro vyhledávání: '"Aerial survey"'
Autor:
Anže Martin Pintar, Mitja Skudnik
Publikováno v:
Geodetski Vestnik, Vol 68, Iss 02, Pp 180-193 (2024)
The forest floor is covered with tree canopy, and the forest canopy gap is a larger or smaller area of the floor that is not covered by the canopy of the dominant tree layer. The size of the gap affects tree species rejuvenation, as well as the verti
Externí odkaz:
https://doaj.org/article/7f62d77aaf3347d99925bed4a3dd7648
Publikováno v:
Ecology and Evolution, Vol 14, Iss 10, Pp n/a-n/a (2024)
ABSTRACT To develop effective management to maintain or restore populations of large herbivores, wildlife managers require sound empirical data on their variations in size and associated parameters. Many studies have highlighted links between morphol
Externí odkaz:
https://doaj.org/article/a19c869fd5bc45478ecb84010663adde
Autor:
Е. А. Petrov, А. В. Kupchinsky
Publikováno v:
Известия ТИНРО, Vol 204, Iss 1, Pp 112-133 (2024)
Using of the known rookeries on the western coast of Lake Baikal (including Olkhon Island and the isles in the Small Sea Strait) by baikal seal Pusa sibirica is assessed for modern conditions of anthropogenic pressure. All locations with geomorpholog
Externí odkaz:
https://doaj.org/article/7845d85c60a54360a5e2785ccfa18b2f
Autor:
Jamie L. Brusa, Matthew T. Farr, Joseph Evenson, Emily Silverman, Bryan Murphie, Thomas A. Cyra, Heather J. Tschaekofske, Kyle A. Spragens, Sarah J. Converse
Publikováno v:
Ecosphere, Vol 15, Iss 8, Pp n/a-n/a (2024)
Abstract Long‐term, large‐scale monitoring of wildlife populations is an integral part of conservation research and management. However, some traditional monitoring protocols lack the information needed to account for sources of measurement error
Externí odkaz:
https://doaj.org/article/652e3833dbe7423cb229a7c36252c431
Autor:
Romulus-Marian Paiu, Ana Cañadas, Ayhan Dede, Galina Meshkova, Dumitru Murariu, Ayaka Amaha Ozturk, Dimitar Popov, Arda M. Tonay, Costin Timofte, Natia Kopaliani, Pavel Gol’din, Simone Panigada
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
IntroductionPopulation abundance is amongst the most basic and crucial parameters for the assessment of conservation status of any species. Three species of odontocetes, all represented by local subspecies, inhabit the Black Sea: the Black Sea common
Externí odkaz:
https://doaj.org/article/be5cdacf474242c087593af3344e54be
Publikováno v:
Drone Systems and Applications, Vol 12, Iss , Pp 1-7 (2024)
Monitored populations of the Nile crocodile Crocodylus niloticus at the southern end of its distribution, in the KwaZulu-Natal province of South Africa, are largely in decline. Trophy hunting of wild Nile crocodiles is only permitted at Pongolapoort
Externí odkaz:
https://doaj.org/article/73a35ceb2df447f5be94a881ccf64d4e
Autor:
Laurent Brassous, François Didierjean
Publikováno v:
Zephyrus, Vol 91, Pp 103-140 (2023)
The ancient town located at Alto de Rodilla (Monasterio de Rodilla, Burgos, Spain), identified as Tritium Autrigonum, has never been the subject of an archeological excavation, although the site has been known for a long time. However, the aerial sur
Externí odkaz:
https://doaj.org/article/6852d07da8724d338461af29c0da142d
Publikováno v:
Methods in Ecology and Evolution, Vol 14, Iss 12, Pp 3068-3082 (2023)
Abstract Multi‐rotor drones equipped with acoustic sensors have great potential for bioacoustically monitoring vocal species in the environment for biodiversity conservation. The bottleneck of this emerging technology is the ego‐noise from the ro
Externí odkaz:
https://doaj.org/article/be108b9ee4e94cfb85fd987a14f73aa8
Publikováno v:
Sensors, Vol 24, Iss 18, p 5990 (2024)
Farm aerial survey layers can assist in unmanned farm operations, such as planning paths and early warnings. To address the inefficiencies and high costs associated with traditional layer construction, this study proposes a high-precision instance se
Externí odkaz:
https://doaj.org/article/8b998f87f6ec4a7aab6deb485e031c13
Autor:
Véronique Lesage, Sara Wing, Alain F. Zuur, Jean-François Gosselin, M. Tim Tinker, Arnaud Mosnier, Anne P. St-Pierre, Robert Michaud, Dominique Berteaux
Publikováno v:
Frontiers in Marine Science, Vol 11 (2024)
Abundance estimation of wildlife populations is frequently derived from systematic survey data. Accuracy and precision of estimates, however, depend on the number of replicate surveys, and on adjustments made for animals unavailable to (availability
Externí odkaz:
https://doaj.org/article/3e5e2c0356a7495c981bb7639e8dac30