Results 81 to 90 of about 133,003 (301)

Connections Across Open Water: A Bi‐Organelle, Genomics‐Scale Assessment of Atlantic‐Wide Population Dynamics in a Pelagic, Endangered Apex Predator Shark (Isurus oxyrinchus)

open access: yesEvolutionary Applications
Large‐bodied pelagic sharks are key regulators of oceanic ecosystem stability, but highly impacted by severe overfishing. One such species, the shortfin mako shark (Isurus oxyrinchus), a globally widespread, highly migratory predator, has undergone ...
Andrea M. Bernard   +4 more
doaj   +1 more source

Global systematic review of the factors influencing shark bites

open access: yesGlobal Ecology and Conservation
Shark bites can cause substantial socio-economic and ecological challenges, including debates about bite-mitigation policies, economic impacts for tourism-dependent communities, and increased fear among beachgoers.
Delphine Duval   +4 more
doaj   +1 more source

Underwater Visual Records of Marine Megafauna Around Offshore Anthropogenic Structures

open access: yesFrontiers in Marine Science, 2020
In oceans and seas worldwide, an increasing number of end-of-life anthropogenic offshore structures (e.g., platforms, pipelines, manifolds, windfarms, etc.) are facing full or partial removal.
Victoria L. G. Todd   +10 more
doaj   +1 more source

Fish Scales: A Multifunctional Biomaterial from Nature

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
Fish scales demonstrate nature's solution to impact protection through overlapping multilayered architecture. This biological design combines mineralized surfaces with collagen networks to achieve both flexibility and fracture resistance. The structural principles inspire advanced protective materials and biomedical implants, where damage tolerance ...
Liyao Dong, Xiaojie Sun, Xiguang Chen
wiley   +1 more source

Important Shark and Ray Areas: a new tool to optimize spatial planning for sharks

open access: yesOryx, 2023
Peter M. Kyne   +8 more
doaj   +1 more source

Breeding evidence and seasonality of the blue shark (Prionace glauca) on the northern Catalan coast

open access: yesScientia Marina
Many shark species face serious threats that have generally led to a collapse in their numbers at a global scale. The blue shark (Prionace glauca) is one of the most by-caught large shark species in the Mediterranean Sea, where it has been classified as
Jordi Ruiz-Olmo   +5 more
doaj   +1 more source

Level of mercury in tuna (Thunnini) and shark (Selachimorpha) in Costa Rica

open access: yesCuadernos de investigación UNED, 2017
Tuna and shark are the main fish in which analysis of mercury content are made in Costa Rica. The main destinations are domestic consumption, import and export, in that order.
Javier E Rodriguez
doaj   +1 more source

Northerly Distribution of White Sharks, Carcharodon carcharias, in the Eastern Pacific and Relation to ENSO Events [PDF]

open access: yes, 2004
Twenty-nine verified records of white sharks, Carcharodon carcharias, from British Columbia and Alaska waters (1961–2004) are presented. Record locations ranged from lat. 48°48ʹN to lat.
Martin, R. Aidan
core  

Synthetic Biology and Food: Applications and Prospects

open access: yesFood Bioengineering, EarlyView.
Synthetic biology would provide revolutionary technological solutions to produce new food and feed components, such as artificial starch, animo acids, microbial protein, lipids, sweeteners, vitamins.
Yi‐Heng P. Job Zhang
wiley   +1 more source

Temporal and Spatial Distribution of Finfish Bycatch in the U.S. Atlantic Bottom Longline Shark Fishery [PDF]

open access: yes, 2010
Bycatch in U.S. fisheries has become an increasingly important issue to both fisheries managers and the public, owing to the wide range of marine resources that can be involved. From 2002 to 2006, the Commercial Shark Fishery Observer Program (CSFOP) and
Allen, Mike S.   +6 more
core  

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