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Relevant bibliographies by topics / Zooplankton imagery

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Academic literature on the topic 'Zooplankton imagery'

Author: Grafiati

Published: 4 June 2021

Last updated: 4 February 2022

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Journal articles on the topic "Zooplankton imagery"

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Bueno, Marília, Samantha Fernandes Alberto, Renan de Carvalho, Tânia Marcia Costa, Áurea Maria Ciotti, and Ronaldo Adriano Christofoletti. "Plankton in waters adjacent to the Laje de Santos state marine conservation park, Brazil: spatio-temporal distribution surveys." Brazilian Journal of Oceanography 65, no. 4 (2017): 564–75. http://dx.doi.org/10.1590/s1679-87592017129006504.

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Abstract The coastal marine plankton plays a major role in ecosystem functioning by linking pelagic and benthonic environments through energy fluxes. Understanding the dynamic of planktonic organisms is also crucial for conservation and management purposes. Plankton was sampled at ten sites in the waters of the PEMLS and the adjacent area, on four different occasions through 2013 and 2015 in order to identify key planktonic groups and protocols for long-term monitoring. Ninety taxa of zooplanktonic organisms were found with holoplanktonic copepods and cladocerans dominating samples. Zooplankto

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Thomas, A. C., and W. J. Emery. "Winter Hydrography and Plankton Distribution on the Southern British Columbia Continental Shelf." Canadian Journal of Fisheries and Aquatic Sciences 43, no. 6 (1986): 1249–58. http://dx.doi.org/10.1139/f86-155.

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The early winter (November–December 1983) concentrations and spatial distributions of chlorophyll and zooplankton on the southern British Columbia continental shelf are shown to be closely related to patterns of hydrographic parameters. Concentrations of both are an order of magnitude less than published summer values for the same area. On the basis of hydrographic and planktonic characteristics, the continental shelf region can be divided into an area dominated by the Vancouver Island Coastal Current and one dominated by the northward flowing Davidson Current which can be isolated in the data

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Avendaño-Ibarra, Raymundo, Enrique Godínez-Domínguez, Gerardo Aceves-Medina, Eduardo González-Rodríguez, and Armando Trasviña. "Fish Larvae Response to Biophysical Changes in the Gulf of California, Mexico (Winter-Summer)." Journal of Marine Biology 2013 (2013): 1–17. http://dx.doi.org/10.1155/2013/176760.

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We analyzed the response of fish larvae assemblages to environmental variables and to physical macro- and mesoscale processes in the Gulf of California, during four oceanographic cruises (winter and summer 2005 and 2007). Physical data of the water column obtained through CTD casts, sea surface temperature, and chlorophyllasatellite imagery were used to detect mesoscale structures. Zooplankton samples were collected with standard Bongo net tows. Fish larvae assemblages responded to latitudinal and coastal-ocean gradients, related to inflow of water to the gulf, and to biological production. Th

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Cochrane, N. A., D. Sameoto, A. W. Herman, and J. Neilson. "Multiple-Frequency Acoustic Backscattering and Zooplankton Aggregations in the Inner Scotian Shelf Basins." Canadian Journal of Fisheries and Aquatic Sciences 48, no. 3 (1991): 340–55. http://dx.doi.org/10.1139/f91-046.

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Acoustic backscatter observations at 12, 50, and 200 kHz in the inner Scotian Shelf basins reveal large populations of silver hake (Merluccius bilinearis) and its principal prey, the euphausiid Meganyctiphanes norvegica. Multichannel sonar colour imagery facilitates separation of fish from euphausiids and delineation of their separate diurnal migration patterns. Silver hake acoustic abundances are consistent with midwater trawl sampling. Acoustic column densities for mature M. norvegica of approximately 1000/m2 exceed net sampling column densities by over 1 order of magnitude indicating strong

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Johnsen, Sönke, N. Justin Marshall, and Edith A. Widder. "Polarization sensitivity as a contrast enhancer in pelagic predators: lessons from in situ polarization imaging of transparent zooplankton." Philosophical Transactions of the Royal Society B: Biological Sciences 366, no. 1565 (2011): 655–70. http://dx.doi.org/10.1098/rstb.2010.0193.

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Because light in the pelagic environment is partially polarized, it has been suggested that the polarization sensitivity found in certain pelagic species may serve to enhance the contrast of their transparent zooplankton prey. We examined its potential during cruises in the Gulf of Mexico and Atlantic Ocean and at a field station on the Great Barrier Reef. First, we collected various species of transparent zooplankton and micronekton and photographed them between crossed polarizers. Many groups, particularly the cephalopods, pelagic snails, salps and ctenophores, were found to have ciliary, mu

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Gamawan, Rosyid Paundra, Suryanti Suryanti, and Teja Arief Wibawa. "PEMETAAN WILAYAH PENANGKAPAN IKAN TERI (Stolephorus sp) BERDASARKAN DATA SATELIT OCEAN COLOR DI PERAIRAN KABUPATEN BATANG (Mapping of Anchovy (Stolephorus sp) Fishing Ground based on Ocean Color Satellite Data in the Batang Regency Waters)." SAINTEK PERIKANAN : Indonesian Journal of Fisheries Science and Technology 13, no. 2 (2018): 133. http://dx.doi.org/10.14710/ijfst.13.2.133-142.

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Kelimpahan Ikan Teri banyak ditemukan di perairan laut Kabupaten Batang saat musim timur. Penggerak ekonomi masyarakat pesisirnya pada musim timur tergantung hasil tangkapan Ikan Teri. Kegiatan penangkapan Ikan Teri oleh nelayan kurang efisien dalam hal waktu dan biaya operasional. Penginderaan jauh merupakan teknologi menghasilkan data observasi secara spasial dan time series. Penelitian ini bertujuan untuk mengetahui kelimpahan plankton dominan dan persebaran Ikan Teri di perairan Kabupaten Batang pada musim timur. Penelitian ini dilaksanakan pada bulan Juli - September 2017. Variabel peneli

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Axler, KE, S. Sponaugle, F. Hernandez, C. Culpepper, and RK Cowen. "Consequences of plume encounter on larval fish growth and condition in the Gulf of Mexico." Marine Ecology Progress Series 650 (September 17, 2020): 63–80. http://dx.doi.org/10.3354/meps13396.

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Freshwater input into nearshore continental shelf waters from coastal river-estuarine plumes can greatly alter the physical and trophic environments experienced by fish larvae. However, the biological consequences of plume encounter on larval fish survival remain equivocal, largely due to the extreme variability of these systems but also because traditional sampling techniques alone are too coarse to effectively characterize the dynamic biophysical environment at spatiotemporal scales relevant to individual larvae. Using a multidimensional approach, we simultaneously collected in situ imagery

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Stanton, Timothy K., Dezhang Chu, J. Michael Jech, and James D. Irish. "New broadband methods for resonance classification and high-resolution imagery of fish with swimbladders using a modified commercial broadband echosounder." ICES Journal of Marine Science 67, no. 2 (2010): 365–78. http://dx.doi.org/10.1093/icesjms/fsp262.

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Abstract Stanton, T. K., Chu, D., Jech, J. M., and Irish, J. D. 2010. New broadband methods for resonance classification and high-resolution imagery of fish with swimbladders using a modified commercial broadband echosounder. – ICES Journal of Marine Science, 67: 365–378. A commercial acoustic system, originally designed for seafloor applications, has been adapted for studying fish with swimbladders. The towed system contains broadband acoustic channels collectively spanning the frequency range 1.7–100 kHz, with some gaps. Using a pulse-compression technique, the range resolution of the echoes

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Greer, Adam T., Luciano M. Chiaverano, Laura M. Treible, Christian Briseño-Avena, and Frank J. Hernandez. "From spatial pattern to ecological process through imaging zooplankton interactions." ICES Journal of Marine Science, August 13, 2021. http://dx.doi.org/10.1093/icesjms/fsab149.

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Abstract Ecological interactions among marine zooplankton are poorly described because conventional sampling gears, such as plankton nets and traps, obscure the physical and biological environment that individuals experience. With in situ imagery, however, it is possible to resolve these interactions and potentially convert snapshot distributions into process-oriented oceanographic and ecological understanding. We describe a variety of imagery-detected ecological interactions with high spatial resolution in the northern Gulf of Mexico shelf waters (20–35 m bottom depth), providing new evidence

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Wilson, Stephanie E., Rasmus Swalethorp, Sanne Kjellerup, Megan A. Wolverton, Hugh W. Ducklow, and Patricia L. Yager. "Meso- and macro-zooplankton community structure of the Amundsen Sea Polynya, Antarctica (Summer 2010–2011)." Elementa: Science of the Anthropocene 3 (January 1, 2015). http://dx.doi.org/10.12952/journal.elementa.000033.

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Abstract The Amundsen Sea Polynya (ASP) has, on average, the highest productivity per unit area in Antarctic waters. To investigate community structure and the role that zooplankton may play in utilizing this productivity, animals were collected at six stations inside and outside the ASP using paired “day-night” tows with a 1 m2 MOCNESS. Stations were selected according to productivity based on satellite imagery, distance from the ice edge, and depth of the water column. Depths sampled were stratified from the surface to ∼ 50–100 m above the seafloor. Macrozooplankton were also collected at fo

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Dissertations / Theses on the topic "Zooplankton imagery"

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Blanluet, Arthur. "Étude par acoustique large bande de la composition et de la distribution spatiale de couches diffusantes denses dans le golfe de Gascogne." Thesis, Rennes, Agrocampus Ouest, 2019. http://www.theses.fr/2019NSARH110.

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Les compartiments intermédiaires de l’écosystème pélagique (du mésozooplancton au micronecton) transfèrent l’énergie et la matière organique entre les producteurs primaires et un certain nombre d’espèces commerciales (anchois, sardines…). Certains de ces organismes produiraient des « couches diffusantes » (Sound Scattering Layers, SSLs) observés sur une large gamme d’échelles spatio-temporelles et de zones géographiques. Néanmoins, la composition taxonomique des SSLs reste encore en grande partie inconnue. L’objectif de cette thèse était de décrire la composition et la répartition de SSLs dens

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Estudillo, Mary Chona B. "Production of the rotifer Brachionus rotundiformis for use in finfish hatcheries /." [St. Lucia, Qld.], 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16629.pdf.

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True, Aaron Conway. "Patchiness: zooplankton behavior in finescale vertical shear layers." Thesis, Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42925.

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Regions containing gradients of vertical flow are often associated with sharp changes in hydrographic and biochemical water properties in coastal marine ecosystems. Often these are sites of dense plankton aggregations of critical ecological importance. In this study, a recirculating flume apparatus with a laminar, planar free jet (the Bickley jet) was used to create finescale gradients of fluid velocity (shear) in both upwelling and downwelling configurations for zooplankton behavioral assays. Particle image velocimetry (PIV) was used to fully resolve the velocity fields allowing us to fine-tu

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True, Aaron Conway. "Ecological engines: Finescale hydrodynamic and chemical cues, zooplankton behavior, and implications for nearshore marine ecosystems." Diss., Georgia Institute of Technology, 2014. http://hdl.handle.net/1853/54019.

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Ephemeral patches of hydrodynamic and chemical sensory cues at fine scales are fundamentally important to the life success of plankton populations and thus the overall health and vitality of nearshore marine ecosystems. We employed various tools from experimental fluid mechanics to create ecologically-relevant hydrodynamic and chemical conditions in a recirculating flume system for zooplankton behavioral assays. The goal was to quantify and correlate changes in zooplankton behavior with coincident sensory cues. A laminar, planar free jet (the Bickley jet) was used to create finescale, free she

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Medeiros, Maia Gomes. "Desenvolvimento de uma instrumentação de captura de imagens in situ para estudo da distribuição vertical do plâncton." Universidade de São Paulo, 2017. http://www.teses.usp.br/teses/disponiveis/21/21134/tde-21032018-150041/.

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Desenvolveu-se, pela Universidade de São Paulo, o protótipo de um equipamento submersível de captura para estudo de plâncton. Baseado na técnica shadowgraph, é formado por um feixe de LED infravermelho colimado e uma câmera de alta resolução, executados por um sistema de controle automatizado. Foram utilizados softwares de visão computacional desenvolvidos pelo Laboratório de Sistemas Planctônicos (LAPS) que executam várias tarefas, incluindo a captura e segmentação de imagens e a extração de informações com o intuito de classificar automaticamente novos conjuntos de regiões de interesse (ROIs

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Books on the topic "Zooplankton imagery"

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Northwest Fisheries Science Center (U.S.), ed. Sea unseen: Scanning electron microscopy images from Puget Sound and beyond. U.S. Dept. of Commerce, National Oceanic and Atmospheric Administration, [Northwest Fisheries Science Center, 2010.

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Conference papers on the topic "Zooplankton imagery"

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Corgnati, Lorenzo, Luca Mazzei, Simone Marini, et al. "Automated Gelatinous Zooplankton Acquisition and Recognition." In 2014 ICPR Workshop on Computer Vision for Analysis of Underwater Imagery (CVAUI). IEEE, 2014. http://dx.doi.org/10.1109/cvaui.2014.12.

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Wei, Yajuan, Xinsheng Yu, Yali Hu, and Dong Li. "Development a zooplankton recognition method for dark field image." In 2012 5th International Congress on Image and Signal Processing (CISP). IEEE, 2012. http://dx.doi.org/10.1109/cisp.2012.6469941.

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Katsinis, C., and A. D. Poularikas. "Pattern Recognition of Zooplankton Images Using a Circular Sampling Technique." In 1985 International Technical Symposium/Europe, edited by Francis J. Corbett, Howard J. Siegel, and Michael J. Duff. SPIE, 1986. http://dx.doi.org/10.1117/12.952308.

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Marini, Simone, Lorenzo Corgnati, Luca Mazzei, et al. "GUARD1: An autonomous system for gelatinous zooplankton image-based recognition." In OCEANS 2015 - Genova. IEEE, 2015. http://dx.doi.org/10.1109/oceans-genova.2015.7271704.

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"Contour based Split and Merge Segmentation and Pre-classification of Zooplankton in Very Large Images." In International Conference on Computer Vision Theory and Applications. SCITEPRESS - Science and and Technology Publications, 2014. http://dx.doi.org/10.5220/0004648604170424.

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Beemer, Ryan D., Alexandre N. Bandini-Maeder, Jeremy Shaw, Ulysse Lebrec, and Mark J. Cassidy. "The Granular Structure of Two Marine Carbonate Sediments." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77087.

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Calcareous sediments are prominent throughout the low-latitudinal offshore environment and have been known to be problematic for offshore foundation systems. These fascinating soils consist largely of the skeletal remains of single-celled marine organisms (plankton and zooplankton) and can be as geologically complex as their onshore siliceous counter parts. To enable an adequate understanding of their characteristics, in particular, their intra-granular micro-structure, it is important that geotechnical engineers do not forget about the multifaceted biological origins of these calcareous sedim

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