Results 11 to 20 of about 18,975 (262)

The cipher SHARK [PDF]

open access: yes, 1996
We present the new block cipher SHARK. This cipher combines highly non-linear substitution boxes and maximum distance separable error correcting codes (MDS-codes) to guarantee a good diffusion. The cipher is resistant against differential and linear cryptanalysis after a small number of rounds.
Rijmen, Vincent   +4 more
openaire   +2 more sources

Depredation influences anglers’ perceptions on coastal shark management and conservation in the United States Gulf of Mexico

open access: yesFrontiers in Conservation Science, 2023
Overfishing, habitat degradation, and climate change have caused declines in shark populations throughout the world’s oceans. However, in the United States Gulf of Mexico (GoM), populations of several coastal shark species are starting to stabilize ...
Evan Gerald Prasky   +18 more
doaj   +1 more source

The complete mitochondrial genome of a gray reef shark, Carcharhinus amblyrhynchos (Carcharhiniformes: Carcharhinidae), from the Western Indian Ocean

open access: yesMitochondrial DNA. Part B. Resources, 2020
We present the mitochondrial genome sequence of a gray reef shark, Carcharhinus amblyrhynchos (Bleeker 1856), a coral reef associated species. This is the first mitogenome for this species from the western Indian Ocean.
Ela Patel   +7 more
doaj   +1 more source

Shark Attacks and Shark Diving [PDF]

open access: yesWilderness & Environmental Medicine, 2015
Ctr Ecol Evolut &Environm Changes, Azorean Biodivers Grp, Angra Do Heroismo, Azores ...
openaire   +3 more sources

Active acoustic telemetry tracking and tri-axial accelerometers reveal fine-scale movement strategies of a non-obligate ram ventilator

open access: yesMovement Ecology, 2020
Background California horn sharks (Heterodontus francisci) are nocturnally active, non-obligate ram ventilating sharks in rocky reef habitats that play an important ecological role in regulating invertebrate communities.
Emily N. Meese, Christopher G. Lowe
doaj   +1 more source

Long-term changes in species composition and relative abundances of sharks at a provisioning site. [PDF]

open access: yesPLoS ONE, 2014
Diving with sharks, often in combination with food baiting/provisioning, has become an important product of today's recreational dive industry. Whereas the effects baiting/provisioning has on the behaviour and abundance of individual shark species are ...
Juerg M Brunnschweiler   +2 more
doaj   +1 more source

A Time-Extended (24 h) Baited Remote Underwater Video (BRUV) for Monitoring Pelagic and Nocturnal Marine Species

open access: yesJournal of Marine Science and Engineering, 2020
Baited remote underwater video systems (BRUVs) are efficient devices for remotely characterising the assemblage and relative density of fishes and other marine organisms.
Agusti Torres   +2 more
doaj   +1 more source

Stock Status Estimating of 5 Shark Species in the Waters Around Taiwan Using a Length-Based Bayesian Biomass Estimation (LBB) Method

open access: yesFrontiers in Marine Science, 2020
Five shark stocks in the waters around Taiwan were assessed using the LBB method, addressing the present gap. Among them, only one filter-feeding shark, megamouth shark Megachasma pelagios, qualified as having a healthy status.
Peilong Ju   +10 more
doaj   +1 more source

Sharks, Sharks, Sharks, by Tina Anton, and Sharks and Whales, by Burton Albert [Review]

open access: yesThe Canadian field-naturalist, 1992
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
Coad, Brian W., Coad, Nicholas
openaire   +1 more source

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