Results 61 to 70 of about 27,101 (320)

Seabed classification in the Gulf of Alaska from acoustic surveys using deep learning

Limnology and Oceanography: Methods, EarlyView.
Abstract High‐resolution mapping of seafloor habitats has wide applications for fisheries, conservation efforts, offshore infrastructure planning, mineral extraction, and scientific modeling. This study leverages existing widespread single‐beam acoustic data and machine learning to create habitat maps for the Gulf of Alaska at a spatial resolution of ...
Karuna Agarwal, Christopher N. Rooper, Kresimir Williams   +2 more
wiley   +1 more source

Long‐term recovery and food web response of benthic macrofauna following cessation of bottom trawling in a marine protected area

Conservation Science and Practice
The understanding of the depletion of species and communities and recovery following the reduction of pressures is fundamental in conservation biology. The impact of bottom trawl fisheries on benthic communities has been well studied, but there are few ...
Mattias Sköld, Mats Blomqvist, Clare Bradshaw, Patrik Börjesson, Peter Göransson, Håkan Wennhage   +5 more
doaj   +1 more source

Efectes de la pesca d'arrossegament en els sediments dels canyons submarins catalans. [PDF]

, 2016
Bottom trawling is a nonselective commercial fishing technique whereby heavy nets and gear are pulled along the seafloor, modifying the physical properties of seafloor sediments and altering natural sediment fluxes.
Amblàs i Novellas, David, Calafat Frau, Antoni, Canals Artigas, Miquel, Company, Joan B., Lastras Membrive, Galderic, Martín, J., Palanques Monteys, Albert, Puig, Pere   +7 more
core  

A lightweight clear liquid optical chamber baited remote underwater video system for monitoring fish in turbid coastal wetlands

Limnology and Oceanography: Methods, EarlyView.
Abstract Clear liquid optical chamber baited remote underwater video systems (CLOC‐BRUV) are an effective option for assessing fish assemblages in turbid water, but current designs are limited by their large size and high operational costs. We developed a lightweight CLOC‐BRUV unit and evaluated its performance through proof‐of‐concept trials and field
Hsin‐Wei Huang, Yu‐Jia Lin, Jing‐Ying Wu, Meng‐Hsien Chen   +3 more
wiley   +1 more source

Putative fishery-induced changes in biomass and population size structures of demersal deep-sea fishes in ICES Sub-area VII, Northeast Atlantic Ocean [PDF]

, 2012
This work was supported by a series of NERC grants to the principal investigators including NE/C512961/1. The results of the early joint SAMS and IOS surveys were digitized with support from EU MAST Contract MAS2-CT920033 1993–1995, and data analyses was
Bailey, D. M., Collins, M. A., Godbold, J. A., Gordon, J. D. M., Priede, I. G., Spallek, W. A.   +5 more
core   +4 more sources

Sampling effort to characterize estuarine macroinfaunal communities in patchy habitats

Limnology and Oceanography: Methods, EarlyView.
Abstract Estuarine benthic macroinfauna have aggregated, patchy distributions, making accurate community measurements dependent upon sampling scales. The purpose of this study is to determine the appropriate core sizes and sampling effort needed to characterize benthic infaunal communities in Corpus Christi Bay, Texas, USA.
Paul A. Montagna
wiley   +1 more source

Integrating benthic ecological status and spatial planning to guide sustainable bottom-contacting fisheries in the Eastern Mediterranean

Frontiers in Marine Science
To inform ecosystem-based fisheries management in line with the EU legislation objectives for marine fisheries, we evaluated the ecological outcomes of alternative spatial management scenarios to fisheries that consider the ecological impact of bottom ...
Irini Tsikopoulou, Irida Maina, Nadia Papadopoulou, François Bastardie, Chris J. Smith   +4 more
doaj   +1 more source

Quantifying the Physical Impact of Bottom Trawling Based on High-Resolution Bathymetric Data

Remote Sensing, 2022
Bottom trawling is one of the most significant anthropogenic pressures on physical seafloor integrity. The objective classification of physical impact is important to monitor ongoing fishing activities and to assess the regeneration of seafloor integrity
Mischa Schönke, David Clemens, Peter Feldens   +2 more
doaj   +1 more source

Fishing systems: viability in Nigeria [PDF]

, 1993
Following an outline of the various fishing systems in Nigeria, considering both the marine and freshwater environment, details are provided of those around which viable sustainable fisheries may be ...
Fadayomi, N.O.
core  

No aliens allowed: A narrative analysis of the blue crab (Callinectes sapidus) in the Lagoon of Venice (Northern Adriatic, Italy)

People and Nature, EarlyView.
Abstract This study critically analyses the main narratives surrounding the Atlantic blue crab (Callinectes sapidus) in the Lagoon of Venice. We used a mixed‐method approach, performing a qualitative discourse analysis on a sample of 68 textual sources to identify the narratives across two sectors in the management of the case study: media and politics,
Elisa Zanoni, Marco Cervino, Alba L'Astorina, Alessandra Pugnetti   +3 more
wiley   +1 more source