Results 21 to 30 of about 107,480 (343)
Acoustic density estimation of dense fish shoals [PDF]
J. Acoust. Soc. Am. 148 (2020), 2020 Multiple scattering of acoustic waves offers a noninvasive method for density estimation of a dense shoal of fish where traditional techniques such as echo-counting or echo-integration fail. Through acoustic experiments with a multi-beam sonar system in open sea cages, multiple scattering of sound in a fish shoal, and in particular the coherent ...
arxiv +1 more source
Evaluation difference between mass of received cargo and mass of handed over the cargo in the determination of the masses by draft survey [PDF]
Vestnik MGTU, 2016 The paper provides the analysis of problems associated with the evaluation of difference between the mass of received and handed over cargo in determining the masses by draft survey and due to the difference in the measurement conditions at the loading ...
Yakuta I. V. , Ermakov S. V.
doaj +1 more source
Fishing pattern and environmentally friendly analysis on mud crab (Scylla spp.) fishery in Mojo mangrove ecosystem, Pemalang Regency, Central Java, Indonesia [PDF]
E3S Web of Conferences, 2020 The high market demand of mud crabs has led to increase the capture so that their availability in the wild is threatened. The purpose of this study was to determine the fishing pattern of mud crabs and analyze the environmentally friendly of mud crab ...
Dwi Hapsari Trisnani +3 more
doaj +1 more source
Underwater Fish Detection with Weak Multi-Domain Supervision [PDF]
2019 International Joint Conference on Neural Networks (IJCNN),
Budapest, Hungary, 2019, pp. 1-8, 2019 Given a sufficiently large training dataset, it is relatively easy to train a modern convolution neural network (CNN) as a required image classifier. However, for the task of fish classification and/or fish detection, if a CNN was trained to detect or classify particular fish species in particular background habitats, the same CNN exhibits much lower ...
arxiv +1 more source
Известия ТИНРО, 2023 A technique for designing the rope-net shell of midwater trawl is described on example of the trawl Sirius Shelf project AS 11.012.000 designed by Aquaservice Ltd. Diagrams of the rope-net shell parameters distribution along trawl are used. The technique
L. M. Simkin
doaj +1 more source
REFERENCED TECHNOLOGICAL PERFORMANCES FOR STURGEON FINGERLING BREEDING IN INTENSIVE SYSTEM
Scientific Papers Animal Science and Biotechnologies, 2023 Work objective is to present an oversight regarding the modality to rearing the descendents of anadromous sturgeon species, Acipenser stellatus, Acipenser gueldenstaedti and Huso huso, obtained trough artificial reproduction, indicating successively, the
MARILENA TALPEŞ +7 more
doaj
Analysis of sea trial data of the ship's main motor using the overview engine control unit
Scientific Electronic Archives, 2021 This study was conducted to obtain the results of mapping and analysis of sea trial data after maintenance of the motor lubrication and cooling system using the Engine Control Unit (ECU) so that recommendations for maintenance activities for damage ...
Kaminton Tambunan +2 more
doaj +1 more source
Absolute 3D Pose Estimation and Length Measurement of Severely Deformed Fish from Monocular Videos in Longline Fishing [PDF]
arXiv, 2021 Monocular absolute 3D fish pose estimation allows for efficient fish length measurement in the longline fisheries, where fishes are under severe deformation during the catching process. This task is challenging since it requires locating absolute 3D fish keypoints based on a short monocular video clip.
arxiv
Scientific Papers Animal Science and Biotechnologies, 2023 Present scientific paper propose to evidence the chemical composition and the effect of the volcanic tuff, for a water quality maintenance at the optimum parameters, for technologies of semi-intensive and super-intensive rearing, and the distribution as ...
MAGDALENA TENCIU +8 more
doaj
Fishers perceptions of ecosystem service change associated with climate‐disturbed coral reefs
People and Nature, 2021 Understanding ecosystem service change necessitates an understanding of the social and ecological dimensions of ecosystem services and how they contribute to the well‐being of different people. These empirical research gaps persist across the tropics and
Anna J. Woodhead +7 more
doaj +1 more source