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Downscaling global reference points to assess the sustainability of local fisheries.
Conserv Biol
January 2025
Thriving Oceans Research Hub, School of Geosciences, University of Sydney, Camperdown, NSW, Australia.
Multispecies coral reef fisheries are typically managed by local communities who often lack research and monitoring capacity, which prevents estimation of well-defined sustainable reference points to perform locally relevant fishery assessments. Recent research modeling coral reef fisheries globally has estimated multispecies sustainable reference points (i.e.
View Article and Find Full Text PDFInternal Structure Dependence of Biodegradation for Polyamide 4 Thin Films in Seawater.
Biomacromolecules
January 2025
Department of Automotive Science, Kyushu University, Fukuoka 819-0395, Japan.
Recently, polyamides have been widely used in various fields due to their excellent durability, thermal stability, and other advantageous properties. However, polyamide products that end up in oceans have become a source of microplastics. For this reason, the development of highly degradable polyamides is greatly desired.
View Article and Find Full Text PDFA flexible wearable sensor based on the multiple interaction and synergistic effect of the hydrogel components with anti-freezing, low swelling for human motion detection and underwater communication.
Int J Biol Macromol
January 2025
School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China; Ministry of Education Key Laboratory of Advanced Textile Composite Materials, Tiangong University, Tianjin 300387, China. Electronic address:
To meet the increasing demand for wearable sensor in special environment such as low temperature or underwater, a multifunctional ionic conducting hydrogel (Gel/PSAA-Al hydrogel) with anti-freezing and low swelling for human motion detection and underwater communication was prepared using gelatin (Gel), [2-(methacryloyloxy) ethyl] dimethyl-(3-sulfopropyl) ammonium hydroxide (SBMA), acrylamide (AAm), acrylic acid (AAc), and AlCl. Due to reversible hydrogen bonding, electrostatic interactions and metal coordination crosslinking between the polymer networks, the resulting Gel/PSAA-Al hydrogels present low swelling property in water and exhibit large tensile properties (~1050 %), high tensile strength (~250 kPa) and excellent fatigue resistance. In addition, the hydration capacity of SBMA and AlCl endows the Gel/PSAA-Al hydrogel fantastic anti-freezing (-31.
View Article and Find Full Text PDFExploring offshore particle motion soundscapes.
J Acoust Soc Am
January 2025
Center for Acoustics Research and Education, University of New Hampshire, Durham, New Hampshire 03823, USA.
Fishes and aquatic invertebrates utilize acoustic particle motion for hearing, and some additionally detect sound pressure. Yet, few underwater soundscapes studies report particle motion, which is often assumed to scale predictably with pressure in offshore habitats. This relationship does not always exist for low frequencies or near reflective boundaries.
View Article and Find Full Text PDFHorizontal distribution of marine microbial communities in the North Pacific Subtropical Front.
Front Microbiol
December 2024
Faculty of Sciences, University of Porto, Porto, Portugal.
Microbial communities are crucial for important ecosystem functions in the open ocean, such as primary production and nutrient cycling. However, few studies have addressed the distribution of microplankton communities in the remote oligotrophic region of the Pacific Ocean. Moreover, the biogeochemical and physical drivers of microbial community structure are not fully understood in these areas.
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