Results 21 to 30 of about 196,517 (325)
IEEE Access, 2020 In real ocean environments, artificial acoustic and natural acoustic systems are coexisted to share scarce spectrum resources. In this paper, we propose a marine mammals-friendly based high spectral-efficient routing (MF-HER) protocol to improve spectrum
Yougan Chen +4 more
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Microflora of the polar bear (Ursus maritimus) from natural population of the Russian Arctic [PDF]
E3S Web of Conferences, 2021 The paper presents the results of studying the microflora of the polar bear (Ursus maritimus) organism. Samples from 22 individuals were collected during three comprehensive scientific expeditions arranged in 2014 and 2015 at the request of PJSC Rosneft ...
Denisenko Tatyana +2 more
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Efficacy of bear spray as a deterrent against polar bears
Wildlife Society Bulletin, 2023 Although there have been few attempts to systematically analyze information on the use of deterrents on polar bears (Ursus maritimus), understanding their effectiveness in mitigating human‐polar bear conflicts is critical to ensuring both human safety ...
James M. Wilder +5 more
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Examining the Role of Marine Mammals and Seabirds in Southeast Alaska’s Marine Ecosystem Dynamics
Frontiers in Marine Science, 2021 Primary producers are the foundation of marine food webs and require reliable nutrient sources to maintain their important role with ecosystems. While marine mammals and seabirds can play critical roles in marine nutrient cycling, their contributions are
Melissa Rhodes-Reese +7 more
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Movement Ecology, 2021 Background Reintroducing predators is a promising conservation tool to help remedy human-caused ecosystem changes. However, the growth and spread of a reintroduced population is a spatiotemporal process that is driven by a suite of factors, such as ...
Joseph M. Eisaguirre +7 more
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NAMMCO Scientific PublicationsThe Norwegian High Seas Reference Fleet (HSRF) reported one minke whale (Balaenoptera acutorostrata) by-caught in demersal trawl fisheries and one in a longline in the period 2011–2020.
André Moan, Arne Bjørge
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Discrimination between bycatch and other causes of cetacean and pinniped stranding [PDF]
, 2018 © The Author(s), 2018. This article is distributed under the terms of the Creative Commons Attribution License. The definitive version was published in Diseases of Aquatic Organisms 127 (2018): 83-95, doi:10.3354/dao03189.The challenge of identifying ...
Bernaldo de Quirós, Yara +9 more
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EFPC: An Environmentally Friendly Power Control Scheme for Underwater Sensor Networks
Sensors, 2015 In oceans, the limited acoustic spectrum resource is heavily shared by marine mammals and manmade systems including underwater sensor networks. In order to limit the negative impact of acoustic signal on marine mammals, we propose an environmentally ...
Qiuling Yang +3 more
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Shipping Through Sea Ice: Impacts on Marine Habitats and Best Practices [PDF]
, 2017 As the result of Arctic climate change and an increase in shipping season length, there is a growing interest in Arctic shipping operations. Sea ice serves as an important habitat for marine mammals, therefore, shipping through sea ice could lead to ...
core
First record of a white rough-toothed dolphin (Steno bredanensis) off West Africa including notes on rough-toothed dolphin surface behaviour [PDF]
, 2010 In June 2009, a white rough-toothed dolphin (Steno bredanensis) calf was photographed in a group of at least 50 dolphins in the southern Gulf of Guinea, 95 nauticol miles off the Gabon coast (01°45'S 007°29'E), West Africa. Reports of unusually pigmented
Boer, M.N., de
core +3 more sources