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Auswahl der wissenschaftlichen Literatur zum Thema „Cartographie des habitats marins“
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Zeitschriftenartikel zum Thema "Cartographie des habitats marins"
Augris, Claude, und Françoise Gourmelon. „La cartographie des fonds marins côtiers“. Mappemonde 65, Nr. 1 (2002): 39–42. http://dx.doi.org/10.3406/mappe.2002.1738.
Der volle Inhalt der QuelleDehouck, Aurelie, Virginie Lafon, Nicolas Baghdadi, Guillaume Clos, Danielle Ducrot, Samantha Yeo, Marie-Lise Benot, Cécile Curti, Pierre-Guy Sauriau und Stéphane Kervella. „Cartographie des habitats naturels des estrans et zones humides littorales“. Revue Française de Photogrammétrie et de Télédétection, Nr. 208 (23.10.2014): 51–56. http://dx.doi.org/10.52638/rfpt.2014.153.
Der volle Inhalt der QuelleOnana, Jean-Michel, Jean Louis Fobane, Elvire Hortense Biye, Eric Ngansop Tchatchouang und Marguérite Marie Abada Mbolo. „Habitats naturels des écosystèmes du Cameroun“. International Journal of Biological and Chemical Sciences 13, Nr. 7 (13.02.2020): 3247–65. http://dx.doi.org/10.4314/ijbcs.v13i7.22.
Der volle Inhalt der QuellePons, Guillem X., und Laura del Valle. „Bionomic Cartography of the Balearic Sea: Evolution of Coastal Marine Habitats of Mallorca“. Journal of Coastal Research 95, sp1 (26.05.2020): 153. http://dx.doi.org/10.2112/si95-030.1.
Der volle Inhalt der QuelleMaes, Christophe. „Dispersion des plastiques marins flottants à la surface des océans“. La Météorologie, Nr. 119 (2022): 053. http://dx.doi.org/10.37053/lameteorologie-2022-0084.
Der volle Inhalt der QuelleSambiani, Danbenoa. „Cartographie et caractérisation écologique des formations végétales à épineux du socle Eburnéen au Togo“. Revue Ecosystèmes et Paysages 3, Nr. 2 (30.12.2023): 1–11. http://dx.doi.org/10.59384/recopays.tg3218.
Der volle Inhalt der QuelleRapinel, Sébastien, Anne Bonis, Johan Oszwald, Florent Taureau, Jérôme Mansons und Jan Bernard Bouzillé. „Cartographie des végétations herbacées des marais littoraux à partir de données topographiques LiDAR“. Revue Française de Photogrammétrie et de Télédétection, Nr. 210 (31.03.2015): 17–21. http://dx.doi.org/10.52638/rfpt.2015.142.
Der volle Inhalt der QuelleHardegen, Marion, Françoise Gourmelon, Frédéric Bioret und Sylvie Magnanon. „La cartographie des habitats terrestres du réseau Natura 2000 en Bretagne“. Mappemonde 64, Nr. 4 (2001): 19–23. http://dx.doi.org/10.3406/mappe.2001.1701.
Der volle Inhalt der QuelleBonnot-Courtois, Chantal. „"La place des habitats marins et côtiers dans la gestion intégrée du littoral "“. Natures Sciences Sociétés 16, Nr. 1 (Januar 2008): 67–68. http://dx.doi.org/10.1051/nss:2008028.
Der volle Inhalt der Quelledel Valle Villalonga, Laura del Valle, Guillem Xavier Pons und Marcial Bardolet. „Posidonia oceanica Cartography and Evolution of the Balearic Sea (Western Mediterranean)“. Remote Sensing 15, Nr. 24 (15.12.2023): 5748. http://dx.doi.org/10.3390/rs15245748.
Der volle Inhalt der QuelleDissertationen zum Thema "Cartographie des habitats marins"
Marre, Guilhem. „Développement de la photogrammétrie et d'analyses d'images pour l'étude et le suivi d'habitats marins“. Thesis, Montpellier, 2020. http://www.theses.fr/2020MONTG012.
Der volle Inhalt der QuelleIn a context of climate change and the erosion of marine biodiversity, ecological monitoring of the most sensitive marine habitats is of paramount importance. In particular, there is a need for operational methods that enable decision-makers and managers to establish relevant conservation measures and to evaluate their effectiveness. TEMPO and RECOR are two monitoring networks focusing on Posidonia meadows and coralligenous reefs, the two richest and most sensitive habitats in the Mediterranean. The objective of this thesis is to meet the needs of effective monitoring of marine habitats by developing methods for assessing their health, based on two key image analysis methods: convolutional neural networks and photogrammetry. The results show that convolutional neural networks are capable of recognizing the main species of coralligenous assemblages in underwater photographs from RECOR, with a precision similar to that of an expert taxonomist. Furthermore, we have shown that photogrammetry can reproduce a marine habitat in three dimensions with a high degree of accuracy, sufficient for monitoring habitat structure and species distribution at a fine scale. Based on these reconstructions, we have developed a method for automatic mapping of Posidonia meadows, enabling temporal monitoring of the ecological quality of this sensitive habitat. Finally, we characterized the three-dimensional structure of coralligenous reefs based on their photogrammetric reconstructions and studied the links with the structuring of the assemblages that make them up. This PhD work has led to the development of operational methods that are now integrated into the TEMPO and RECOR monitoring networks. Results of this work paves the way for future research, in particular concerning characterization of the biological activity of coralligenous reefs thanks to the coupling of photogrammetry, neural networks and underwater acoustics
Lamouret, Marie. „Traitement automatisés des données acoustiques issues de sondeurs multifaisceaux pour la cartographie des fonds marins“. Electronic Thesis or Diss., Toulon, 2022. http://www.theses.fr/2022TOUL0002.
Der volle Inhalt der QuelleAmong underwater acoustic technologies, multibeam echo sounder (MBES) is one of the most advanced tool to study and map the underwater floors and the above water column. Its deployment on-site requires expertise so as the whole data processing to map the information. These processing are very time-consuming due to the massive quantity of recorded data and thus needs to be automatised to shorten and alleviate the hydrographer's task. This PhD research works focus on the automatisation of the current activities in Seaviews society.After some reminders on the underwater acoustic sciences, the MBES operating is described as well the produced data that will be manipulated throughout the developments. This document presents two thematics˸ bathymetric (depths) and marine habitats mapping. The developments are integrated into the Seaviews' software in the aim to be used by all the employees.About seafloor depths mapping, the bathymetric sounding has to be sorted to avoid that the outlier errors distort the results. Sorting the uncountable measures is cumbersome but necessary, although the hydrographers are today happily computed-assisted. We propose a fast statistical method to exclude the outliers while mapping the information. This leads to wonder if the water column imagery would be workable to deduce the bathymetry without failure. We will test this hypothesis with some technics of deep learning, especially with convolutional neural networks.The marine habitats mapping is a seabed nature classification according to the local life. Seaviews has worked on a way to prepare MBES data and habitats analysis. Concerning the method of classification itself, we move towards machine learning technics. Several methods are implemented and assessed, and then an area is chosen to evaluate and compare the results
Ehrhold, Axel. „Projet REBENT : Cartographie des habitats benthiques dans les petits fonds côtiers à l'aide de méthodes acoustiques“. Phd thesis, Université de Caen, 2004. http://tel.archives-ouvertes.fr/tel-00006680.
Der volle Inhalt der QuellePetit, Tristan. „Caractérisation des fonds marins et estimation bathymétrique par inversion de modèle de transfert radiatif : application à l'imagerie hyperspectrale en milieu coralien“. Thesis, Brest, 2017. http://www.theses.fr/2017BRES0023/document.
Der volle Inhalt der QuelleAirborne hyperspectral imaging is a potential candidate for mapping and monitoring coral reefs at large scale and with high spatial resolution. In this thesis, we first present the processing steps to be applied to hyperspectral signals for extracting information about seabed types, bathymetry and water optical properties, and we discuss their efficiency with respect to two main confounding factors: (i) low signal to noise ratio of the measured signals, and (ii) large number and variability of physical interactions occurring between the entrance of sunlight into the atmosphere and its measurement by the hyperspectral sensor. Considering these limitations, we examine the performance of an already existing water column processing method: semi-analytical model inversion by optimization. We first evaluate the robustness of seabed type and bathymetry estimation for six different inversion setups. The results on hyperspectral images acquired over Réunion Island reefs in 2009 show that the choice of the inversion setup plays an important role on the quality of the estimations and that the most widely used inversion setup does not always produce the best results. We then evaluate the importance of the accuracy of the parameterization of the direct semi-analytical model. This is done through a sensitivity analysis performed on both simulated and real hyperspectral data acquired in Réunion Island in 2015. The analysis is performed for each inversion setup previously studied. This study shows that in coral reef context the accuracy of the parameterization of the direct model is less important than the choice of the inversion setup. We also demonstrate that it is not possible to identify the most influent parameters of the direct model because it depends on the relative concentration of each optically active constituent
Lozach, Sophie. „Habitats benthiques marins du bassin oriental de la Manche : enjeux écologiques dans le contexte d’extraction de granulats marins“. Thesis, Lille 1, 2011. http://www.theses.fr/2011LIL10163/document.
Der volle Inhalt der QuelleThe natural variation in the coarse sediment benthic community was investigated over a four-year period in the context of an aggregate extraction licence project in the eastern Channel paleovalleys deposits. Six surveys were conducted: twice a year (mid-April: pre- recruitment and the end of August: post-recruitment) in 2007, 2009 and 2010. The data set obtained shows on one hand that the coarse sediment of the benthic community of the eastern English Channel paleovalleys presents an outstanding constancy over time and on another hand, it brings out new pieces of knowledge on benthic habitats typology in offshore coarse sediments (EUNIS). A complementary study on functional features showed that this benthic community has a high resistance to physical disturbance, but lower resilience. This knowledge on benthic community structure and functioning allowed the making of assumptions on the consequences of marine aggregate extraction at this site. An adaptive management of this human activity has then been proposed by the implementation of a benthic monitoring responding to ecological issues associated with marine sediment dredging. Results obtained during this study will also be a substantial input to scientific understanding of dredging impacts should the licence be delivered by French authorities
Grotte, Alain. „Méthode de cartographie des couvertures algales et sédimentaires à partir de données de télédétection“. Brest, 1992. http://www.theses.fr/1992BRES1003.
Der volle Inhalt der QuelleThis work forms part of the development studies contributing to the knowledge of coastal features by using high resolution satellite data. The first part deals with conventional cartography bases and describes possible applications using satellite data. Chapter 1 is devoted to notions of cartography, and shows their importance in understanding certain types of satellite data pre-processing described in chapter ii. The second chapter, which deals with high resolution satellites, reviews the radiometers placed on board these platforms. Whatever the type of sensor, image data is available in simple standards, and therefore accessible to everyone providing a small investment is made in hardware and software. I. T. Products are very user-friendly and after a few training sessions a complete beginner in this field can already obtain some encouraging results. Cartographic formatting (computer-assisted) is obviously the next step for correctly positioning this data in the geographic area of the study. This is dealt with in the third chapter which draws the connection between traditional cartography, satellite data and a geographic information system module, which is used to add cartographic annotations to the data. The methodology is developed and procedures proposed for achieving standardized mapping of the space maps or normal maps drawn up at Ifremer
Van, den Beld Inge. „Habitats coralliens dans les canyons sous-marins du Golfe de Gascogne : distribution, écologie et vulnérabilité“. Thesis, Brest, 2017. http://www.theses.fr/2017BRES0017/document.
Der volle Inhalt der QuelleCold-water coral (CWC) habitats formed by colonial scleractinians, gorgonians, antipatharians and sea pens are biodiversity and biomass hotspots that provide important functions, such as shelter and feeding grounds, to other organisms. But, they are also vulnerable to human activities, because they are long-lived, grow slowly and have a low resistance. Submarine canyons may offer the environmental conditions needed for CWC habitat development, due to their steep topography, complex hydrodynamics and substrate heterogeneity. In the Bay of Biscay, which margin is incised by hundreds of canyons, CWCs are known to exist since the late 19th century, but their distribution, density and functional role remained largely unknown, which impaired their preservation.To increase this knowledge, 24 canyons and three locations between adjacent canyons were visited with an ROV and a towed camera system during 46 dives on 7 cruises. Images were analysed for CWC habitats using the CoralFISH classification system. Within these habitats, corals, associated fauna were identified and substrate cover measured. Litter was identified in 15 out of 24 canyons.Eleven coral habitats constructed by 62 coral morphotypes were observed in the canyons of the Bay of Biscay hosting 191 associated megafaunal morphotypes, including 160 unique morphotypes. The distribution patterns at regional and local scales could be linked to hydrodynamics and sedimentary regimes. Substrate type was an important driver for coral and associated faunal assemblages, distinguishing biogenic, hard substrate and soft substrate habitats. Coral assemblages were similar between biogenic and hard substrate habitats, but the associated fauna was more abundant and diverse on biogenic habitats. The alpha, beta and gamma diversity was surprisingly high on soft substrate habitats, equalling or exceeding that of biogenic habitats.Marine litter was abundant and was mainly composed of plastic items and fishing gear. Litter could co-occur with CWCs and impact them: litter and most CWC habitats were observed at similar water depths and litter was more abundant in areas with a seafloor relief created by biological or geological features. Observations of coral reefs on steeper areas in the canyons and coral debris on flatter areas on the interfluve/upper slope may indicate a potential impact of the fishing industry. This study supports the ongoing effort to create a Natura 2000 network that will protect biogenic and hard substrate habitats, but also points out the need to develop a framework for the preservation of coral habitats on soft substrate
Ben, Moussa Habib. „Contribution de la télédétection satellitaire à la cartographie des végétaux marins : archipel de Molène (Bretagne / France)“. Aix-Marseille 2, 1987. http://www.theses.fr/1987AIX22095.
Der volle Inhalt der QuelleBen, Moussa Habib. „Contribution de la télédétection satellitaire à la cartographie des végétaux marins archipel de Molène (Bretagne / France) /“. Grenoble 2 : ANRT, 1987. http://catalogue.bnf.fr/ark:/12148/cb376028691.
Der volle Inhalt der QuelleLe, Bars Fabrice. „Analyse par intervalles pour la localisation et la cartographie simultanées : application à la robotique sous-marine“. Phd thesis, Université de Bretagne occidentale - Brest, 2011. http://tel.archives-ouvertes.fr/tel-00670495.
Der volle Inhalt der QuelleBücher zum Thema "Cartographie des habitats marins"
Greene, H. G. Mapping the seafloor for habitat characterization. St. John's, N.L: Geological Association of Canada, 2007.
Den vollen Inhalt der Quelle findenAugris, Claude. Cartographie géologique des fonds marins côtiers: Exemples le long du littoral français. Plouzané, France: Ifremer, 2001.
Den vollen Inhalt der Quelle finden1945-, Seaman William, Hrsg. Artificial reef evaluation: With application to natural marine habitats. Boca Raton, Fla: CRC Press, 2000.
Den vollen Inhalt der Quelle findenArès, Michel. Caractérisation des composantes forestières des habitats fauniques par télédétection: (application au territoire de Nitaskinan), projet no 4025. Sainte-Foy, Qué: Service canadien des forêts, 1996.
Den vollen Inhalt der Quelle findenMallory, M. L. Habitats marins clés pour les oiseaux migrateurs au Nunavut et dans les Territoires du Nord-Ouest. Ottawa: Service canadien de la faune, 2004.
Den vollen Inhalt der Quelle findenMarine geochemistry. London: Unwin Hyman, 1990.
Den vollen Inhalt der Quelle findenChester, R. Marine geochemistry. 2. Aufl. Oxford: Blackwell Science, 2000.
Den vollen Inhalt der Quelle findenChester, R. Marine geochemistry. London: Unwin Hyman, 1989.
Den vollen Inhalt der Quelle findenGuijarro, Garcia Elena, und Nordic Council of Ministers, Hrsg. Bottom trawling and scallop dredging in the Arctic: Impacts of fishing on non-target species, vulnerable habitats, and cultural heritage. Copenhagen: Nordic Council of Ministers, 2007.
Den vollen Inhalt der Quelle finden1967-, Zacharias Mark, Hrsg. Marine conservation ecology. London: Earthscan, 2011.
Den vollen Inhalt der Quelle findenBuchteile zum Thema "Cartographie des habitats marins"
„Tendances concernant l’état de la biodiversité dans les habitats marins“. In Deuxième évaluation mondiale de l’océan, 251–53. United Nations, 2021. http://dx.doi.org/10.18356/9789216040079c017.
Der volle Inhalt der QuelleTroin, Florence. „«Trois écritures pour une même lecture ? La ville de Marseille dans Les Marins perdus de J.-C. Izzo, en roman, en bande dessinée et en cartographie géo-littéraire»“. In Fictionnaliser l'espace. Approches thématiques et critiques, 233–52. FLUP/ILCML, 2017. http://dx.doi.org/10.21747/9789899937567/libreto10a15.
Der volle Inhalt der QuelleKonferenzberichte zum Thema "Cartographie des habitats marins"
SAURIAU, Pierre-Guy, und Hugues BLANCHET. „Habitats marins et estuariens de l’estuaire de la Gironde : bilan des connaissances et cartographie NATURA 2000“. In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2018. http://dx.doi.org/10.5150/jngcgc.2018.081.
Der volle Inhalt der QuelleDEHOUCK, Aurélie, Virginie LAFON, Nicolas BAGHDADI, Vincent MARIEU, Bertrand LUBAC und Stéphane KERVELLA. „Synergie de l’imagerie satellitaire optique et radar pour la cartographie des habitats du Bassin d’Arcachon“. In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.062-d.
Der volle Inhalt der QuelleCAJERI, Pauline, Cécile CURTI, Virginie LAFON, Ronan LAUNAY und Pierre-Guy SAURIAU. „Cartographie des habitats intertidaux des sites Natura 2000 des Pertuis charentais : complémentarité des approches inventaire terrain, télédétection et SIG“. In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2012. http://dx.doi.org/10.5150/jngcgc.2012.093-c.
Der volle Inhalt der QuelleAUBRY, Aline, und Audrey TEMPERE. „Apport de l’imagerie satellitaire pour l’identification et la cartographie des habitats littoraux de Mayotte soumis à une subsidence rapide“. In Journées Nationales Génie Côtier - Génie Civil. Editions Paralia, 2022. http://dx.doi.org/10.5150/jngcgc.2022.046.
Der volle Inhalt der QuelleMedina, Mercedes. „El bajo río Uruguay: dos naciones ¿un territorio?“ In Seminario Internacional de Investigación en Urbanismo. Barcelona: Maestría en Planeación Urbana y Regional. Pontificia Universidad Javeriana de Bogotá, 2014. http://dx.doi.org/10.5821/siiu.6010.
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