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Статті в журналах з теми "Microphytobentho"
Sylwestrzak, Zuzanna, Aleksandra Zgrundo, and Filip Pniewski. "Ecotoxicological Studies on the Effect of Roundup® (Glyphosate Formulation) on Marine Benthic Microalgae." International Journal of Environmental Research and Public Health 18, no. 3 (January 20, 2021): 884. http://dx.doi.org/10.3390/ijerph18030884.
Повний текст джерелаBöer, S. I., C. Arnosti, J. E. E. van Beusekom, and A. Boetius. "Temporal variations in microbial activities and carbon turnover in subtidal sandy sediments." Biogeosciences Discussions 5, no. 6 (November 6, 2008): 4271–313. http://dx.doi.org/10.5194/bgd-5-4271-2008.
Повний текст джерелаBöer, S. I., C. Arnosti, J. E. E. van Beusekom, and A. Boetius. "Temporal variations in microbial activities and carbon turnover in subtidal sandy sediments." Biogeosciences 6, no. 7 (July 10, 2009): 1149–65. http://dx.doi.org/10.5194/bg-6-1149-2009.
Повний текст джерелаDefew, E. C., T. J. Tolhurst, and D. M. Paterson. "Site-specific features influence sediment stability of intertidal flats." Hydrology and Earth System Sciences 6, no. 6 (December 31, 2002): 971–82. http://dx.doi.org/10.5194/hess-6-971-2002.
Повний текст джерелаSylwestrzak, Zuzanna, Aleksandra Zgrundo, and Filip Pniewski. "Effects of the Ionic Liquid [BMIM]Cl on the Baltic Microphytobenthic Communities." Journal of Marine Science and Engineering 10, no. 9 (September 1, 2022): 1223. http://dx.doi.org/10.3390/jmse10091223.
Повний текст джерелаSANILKUMAR, M. G., A. V. SARAMMA, K. J. JOSEPH, and L. B. CAHOON. "Monsoon Effects on Biomass and Composition of Microphytobenthic Diatoms in the Cochin Estuary, Southwest India." Journal of North Carolina Academy of Science 127, no. 1 (March 1, 2011): 1–12. http://dx.doi.org/10.7572/2167-5880-127.1.1.
Повний текст джерелаKelly, Julie A., Claire Honeywill, and David M. Paterson. "Microscale analysis of chlorophyll-a in cohesive, intertidal sediments: the implications of microphytobenthos distribution." Journal of the Marine Biological Association of the United Kingdom 81, no. 1 (February 2001): 151–62. http://dx.doi.org/10.1017/s0025315401003496.
Повний текст джерелаDavydov, O. A., та O. V. Kravtsova. "ЕКОЛОГО-МОРФОЛОГІЧНА СТРУКТУРА МІКРОФІТОБЕНТОСУ ОЗЕРА ТЕЛЬБІН". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 80, № 3-4 (1 грудня 2020): 79–84. http://dx.doi.org/10.25128/2078-2357.20.3-4.10.
Повний текст джерелаDavydov, O. A., та D. P. Larionova. "САНІТАРНО-ГІДРОБІОЛОГІЧНА ХАРАКТЕРИСТИКА ОЗЕРА ВЕРБНЕ ЗА МІКРОФІТОБЕНТОСОМ". Scientific Issue Ternopil Volodymyr Hnatiuk National Pedagogical University. Series: Biology 77, № 3 (24 вересня 2019): 46–51. http://dx.doi.org/10.25128/2078-2357.19.3.6.
Повний текст джерелаPolsenaere, P., E. Lamaud, V. Lafon, J. M. Bonnefond, P. Bretel, B. Delille, J. Deborde, D. Loustau, and G. Abril. "Spatial and temporal CO<sub>2</sub> exchanges measured by Eddy Correlation over a temperate intertidal flat and their relationships to net ecosystem production." Biogeosciences Discussions 8, no. 3 (June 6, 2011): 5451–503. http://dx.doi.org/10.5194/bgd-8-5451-2011.
Повний текст джерелаДисертації з теми "Microphytobentho"
Coelho, Helena Isabel Soares Dinis. "Microphytobenthos vs Hydrobia: trophic coupling in estuarine environment." Doctoral thesis, Universidade de Aveiro, 2010. http://hdl.handle.net/10773/3632.
Повний текст джерелаOs estuários são ambientes complexos, biologicamente diversos e muito importantes no que respeita à produtividade primária. As zonas intertidais destes ecossistemas são ocupadas por organismos que possuem uma elevada capacidade de sobrevivência e adaptação face às variadas e rápidas alterações nos factores ambientais (tais como temperatura, salinidade, conteúdo hídrico, etc.). As cadeias tróficas com origem no ecossistema estuarino bentónico são essencialmente herbívoras, regulando o fluxo de energia desde o fundo sedimentar e através do ecossistema. Nas áreas estuarinas intertidais a produção primária é essencialmente suportada pelo microfitobentos (MPB). Estas comunidades de microalgas bênticas constituem uma importante fonte de matéria orgânica e são por si só a principal fonte alimentar para as populações de Hydrobia. Neste contexto, a interacção MPB - Hydrobia é um modelo-chave na investigação da cadeia trófica estuarina de origem bentónica, actuando como um importante canal de transporte de energia para os níveis tróficos superiores, especialmente se considerarmos que Hydrobia é uma importante presa para peixes, aves e caranguejos. O presente estudo tem por objectivos gerais: i) a investigação do controlo ambiental (particularmente da luz e do teor em água do sedimento) e endógeno na migração vertical do MPB e ii) a identificação e potencial utilização de marcadores tróficos (pigmentos e ácidos gordos) úteis à investigação da interacção MPB – Hydrobia em laboratório e em condições naturais, considerando a existência de uma elevada plasticidade trófica por parte da Hydrobia e a elevada densidade populacional que estes organismos podem apresentar. A primeira fase de investigação resultou na comparação do papel dos estímulos ambientais e do controlo endógeno nos padrões de comportamento migratório vertical do microfitobentos, demonstrando a existência de um controlo essencialmente endógeno na formação e desintegração do biofilme superficial. A regulação e manutenção da biomassa à superfície do sedimento são claramente controladas pela variação dos factores ambientais, em especial da luz, cuja presença é essencial à formação total do biofilme microalgal à superfície do sedimento intertidal. Foi proposta uma nova abordagem metodológica com vista à estimativa nãodestrutiva do teor de água de sedimentos intertidais vasosos , possibilitando o estudo da influência da acção do vento no conteúdo hídrico dos sedimentos e o consequente impacto da dessecação na comunidade microfitobêntica. Observou-se que a dessecação provoca efeitos limitantes não só na biomassa superficial mas também na actividade fotossintética dos biofilmes microfitobênticos, conduzindo à diminuição da produtividade primária. No que respeita à dinâmica trófica da interacção MPB - Hydrobia foi estabelecido o uso do pigmento feoforbide a, quantificado nas partículas fecais da fauna, como marcador trófico que permite estimar a quantidade de biomassa de microalgas (clorofila a) incorporada pelos organismos animais.Para tal foi investigada e comprovada a existência de uma relação significativa entre a concentração de feopigmentos excretados e a concentração de clorofila a ingerida. Estes estudos foram desenvolvidos numa primeira fase à escala diária, considerando os efeitos dos ciclos sazonais, dia-noite e maré, e depois com a validação em condições naturais, numa escala mensal. A taxa de ingestão média de indivíduos de H. ulvae varia ao longo do dia, com o máximo em torno dos períodos diurnos de maré baixa, o que pode estar relacionado com a disponibilidade de MPB. As taxas de ingestão (TI) de H. ulvae variam ainda em função da estação do ano (TI verão > TI primavera) e em função da densidade de indivíduos (> densidade, < ingestão). Verificou-se um efeito negativo na concentração de clorofila disponível após herbívoria independentemente da densidade de indivíduos. Finalmente, a comparação dos perfis de ácidos gordos de H. ulvae provenientes de diferentes habitats com os perfis de potenciais fontes alimentares permitiu demonstrar que os ácidos gordos são ferramentas úteis na identificação do habitat ocupado por estes organismos. No entanto, apesar da ocupação de diferentes habitats e da integração de múltiplas fontes de produção primária na sua dieta foram sempre observados significativos níveis de ácidos gordos específicos de microalgas (em particular diatomáceas), reforçando o papel importante das comunidades de microalgas bênticas na dieta das populações de H. ulvae.
Estuaries are biologically diverse and form complex environments, which play an important role on the global primary productivity of aquatic environments. Intertidal areas of estuaries are inhabited by organisms with a strikingly capability to survive and to be adapted to frequent and fast changes in several environmental factors (such as temperature, salinity, water content, etc.). Grazing food chains are common in intertidal mudflats regulating the flow of nutrients and energy from the bottom throughout the estuarine ecosystem. Within intertidal estuarine areas the primary production was predominantly supported by microphytobenthos (MPB). These benthic microalgae assemblages are an important source of organic matter and are a main food source for Hydrobia populations. The MPB - Hydrobia interaction is a key model for the estuarine grazing food chain, acting as a significantly channel of energy to higher trophic levels, since Hydrobia is an important prey item for fish, birds and crabs. The present work addressed: i) the environmental (namely light and sediment water content) and the endogenous control of the vertical migration by microphytobenthos, and ii) the identification and the potential use of trophic markers (pigments and fatty acids) to establish this relationship under laboratory and natural conditions, considering that H. ulvae showed significant trophic plasticity and that mud snails could reach extremely high densities. The role of exogenous cues and endogenous control of the patterns of vertical migratory behavior of intertidal MPB biofilms were compared, showing that the formation and disintegration of the biofilm is endogenously-controlled. The regulation and maintenance of the microalgal biomass at the sediment surface is dependent on the variation of environmental factors, namely light, which is essential for the full formation of the MPB biofilm. A new methodological approach was proposed to estimate the water content of muddy intertidal sediments, enabling the study of the influence of wind on the hydric level of the sediment and the consequent impact of desiccation on the MPB biomass. This investigation showed that desiccation might be responsible to cause important limiting effects on biomass and photosynthetic activity of intertidal MPB biofilms, reducing the primary productivity. Regarding the trophic dynamics of the interaction MPB - Hydrobia, it was established the use of the pigment pheophorbide a, present on Hydrobia ulvae faecal pellets, as a trophic marker to estimate the amount of microalgal biomass incorporated, as chlorophyll a, by benthic macrofauna. A significant relationship between egested pheopigments and ingested chlorophyll a was investigated and validated. These studies were firstly developed on a daily scale, considering the effects of seasonal, tidal and day-night cycles, followed by a validation under natural conditions, on a monthly scale. The mean ingestion rate of H. ulvae individuals varied along the day, with the maximum around the diurnal low tide periods, which may be related with MPB availability. H. ulvae mean ingestion rate (IR) also varies seasonally (IR summer > IR spring) and depending on mud snails density (> density, < ingestion). There was a negative effect on chlorophyll concentration available after grazing, independently of H. ulvae density. Finally, the comparison of fatty acid profiles of mud snails from different habitats with the ones from potential food sources allowed identifying fatty acids as a useful tool to indicate H. ulvae habitat. Although the occupation of different habitats and the integration of multiple primary food sources on mud snails diet, significant inputs of fatty acids specific of microalgae (namely diatoms) were always found, which reinforce the important role of MPB on the diet of H. ulvae populations.
FCT; FSE - SFRH/BD/23720/2005
Consalvey, Mireille. "The structure and function of microphytobenthic biofilms." Thesis, University of St Andrews, 2002. http://hdl.handle.net/10023/2682.
Повний текст джерелаGinnever, Naomi Elizabeth. "The photophysiology of rocky intertidal microphytobenthic biofilms." Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/59459/.
Повний текст джерелаLarson, Fredrik R. M. "The role of marine microphytobenthos with emphasis of resilience /." Göteborg : Göteborg University, Department of Marine Ecology, 2005. http://www.gbv.de/dms/goettingen/505476940.pdf.
Повний текст джерелаWeinmann, Birgit Ellen. "Microphytobenthic diversity and function in estuarine soft sediment." Thesis, University of St Andrews, 2012. http://hdl.handle.net/10023/3664.
Повний текст джерелаAllison, Jeffrey Garner. "Dynamics of estuarine microphytobenthos in a shallow water sand bottom habitat." [Pensacola, Fla.] : University of West Florida, 2006. http://purl.fcla.edu/fcla/etd/WFE0000004.
Повний текст джерелаFacca, Chiara. "Phytoplancton et microphytobenthos comme indicateurs de l'état trophique en milieu côtier." Montpellier 2, 2003. http://www.theses.fr/2003MON20148.
Повний текст джерелаBoulcott, Mat. "The dynamics of carbohydrate production, storage and excretion in epipelic diatoms." Thesis, University of Essex, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343503.
Повний текст джерелаMorelle, Jerome. "Dynamique spatiale et temporelle de la production primaire de l'estuaire de la Seine." Thesis, Normandie, 2017. http://www.theses.fr/2017NORMC252/document.
Повний текст джерелаThe estuaries play an important ecological role and are the site of many human activities because of their strategic position at the interface between continental and marine waters. Seine estuary is characteristic of large anthropized estuaries. Long-term management requires better knowledge of the spatial and temporal dynamics of the estuarine food webs. Phytoplankton and microphytobenthos are the main contributor of primary production (PP) in these ecosystems and are at the basis of trophic food webs. These compartments are often reduced to the chlorophyll concentration and their productivity has never been measured along the Seine estuary. The objective of this study was to estimate the PP of these compartments along the salinity gradient. In order to access to measurements at high spatial resolution, high-frequency measurements of modulated fluorescence (PAM) were coupled to low-frequency carbon (13C) incorporation measurements. The primary production measurements have been put into perspective with the dynamics of the physical and chemical parameters and the structure of phytoplankton communities determined by different techniques (microscopy, cytometry, molecular biology). The dynamics of carbon excreted as TEP (Transparent Exopolymeric Particles) and EPS (Exopolymeric substances) were also studied for each compartment. Beyond the innovative methodologies which demonstrate the interest of high-frequency measurements in these highly dynamic ecosystems, this work provides a new insight into the phytoplankton dynamics and the specific richness of the estuarine microbiome and provides a reliable estimate of primary production
Molesky, Thomas J. "Interactions between oyster reefs and adjacent sandflats : effects on microphytobenthos and sediment characteristics /." Electronic version (Microsoft Word), 2003. http://dl.uncw.edu/etd/2003/moleskyt/tommolesky.doc.
Повний текст джерелаКниги з теми "Microphytobentho"
Jacco, Kromkamp, ed. Functioning of microphytobenthos in estuaries. Amsterdam: Royal Netherlands Academy of Arts and Sciences, 2006.
Знайти повний текст джерела(Editor), Jacco C. Kromkamp, Jody F. C. de de Brouwer (Editor), Gerard F. Blanchard (Editor), Rodney M. Forster (Editor), and Veronique Creach (Editor), eds. Functioning of Microphytobenthos in Estuaries. Edita-the Publishing House of the Royal, 2007.
Знайти повний текст джерелаCahoon, Lawrence B. Microphytobenthos in Aquatic Ecosystems: Diverse Habitats, Methodologies, and Research Needs. Elsevier, 2023.
Знайти повний текст джерелаSerôdio, João, David M. Paterson, Vona Meleder, and Wim Vyverman, eds. Advances and Challenges in Microphytobenthos Research: From Cell Biology to Coastal Ecosystem Function. Frontiers Media SA, 2020. http://dx.doi.org/10.3389/978-2-88966-296-8.
Повний текст джерелаЧастини книг з теми "Microphytobentho"
Cahoon, Lawrence. "Microphytobenthos." In Encyclopedia of Estuaries, 438. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8801-4_291.
Повний текст джерелаHubas, Cédric, Claire Passarelli, and David M. Paterson. "Microphytobenthic Biofilms: Composition and Interactions." In Mudflat Ecology, 63–90. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99194-8_4.
Повний текст джерелаTraunspurger, Walter, and Nabil Majdi. "Species composition and distribution of free-living nematodes in lakes and streams." In Ecology of freshwater nematodes, 58–108. Wallingford: CABI, 2021. http://dx.doi.org/10.1079/9781789243635.0003.
Повний текст джерелаPaterson, D. M., and S. E. Hagerthey. "Microphytobenthos in Constrasting Coastal Ecosystems: Biology and Dynamics." In Ecological Studies, 105–25. Berlin, Heidelberg: Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-642-56557-1_6.
Повний текст джерелаPerkins, R. G., J. C. Kromkamp, J. Serôdio, J. Lavaud, B. Jesus, J. L. Mouget, S. Lefebvre, and R. M. Forster. "The Application of Variable Chlorophyll Fluorescence to Microphytobenthic Biofilms." In Chlorophyll a Fluorescence in Aquatic Sciences: Methods and Applications, 237–75. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-9268-7_12.
Повний текст джерелаSerôdio, João, and David M. Paterson. "Role of Microphytobenthos in the Functioning of Estuarine and Coastal Ecosystems." In Encyclopedia of the UN Sustainable Development Goals, 894–906. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-319-98536-7_11.
Повний текст джерелаSerôdio, João, and David M. Paterson. "Role of Microphytobenthos in the Functioning of Estuarine and Coastal Ecosystems." In Encyclopedia of the UN Sustainable Development Goals, 1–13. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-319-71064-8_11-1.
Повний текст джерелаSinha, Swagata, Arnab Banerjee, Nabyendu Rakshit, and Santanu Ray. "Modelling Studies Focusing on Microphytobenthos and Its Role in Benthic-Pelagic Coupling." In Mathematical Analysis and Applications in Modeling, 209–24. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-0422-8_19.
Повний текст джерелаStal, Lucas J., Simone B. Behrens, Marlies Villbrandt, Stef van Bergeijk, and Finn Kruyning. "The biogeochemistry of two eutrophic marine lagoons and its effect on microphytobenthic communities." In Coastal Lagoon Eutrophication and ANaerobic Processes (C.L.E.AN.), 185–98. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-009-1744-6_15.
Повний текст джерелаde Jong, D. J., P. H. Nienhuis, and B. J. Kater. "Microphytobenthos in the Oosterschelde estuary (The Netherlands), 1981–1990; consequences of a changed tidal regime." In The Oosterschelde Estuary (The Netherlands): a Case-Study of a Changing Ecosystem, 183–95. Dordrecht: Springer Netherlands, 1994. http://dx.doi.org/10.1007/978-94-011-1174-4_15.
Повний текст джерелаТези доповідей конференцій з теми "Microphytobentho"
Otani, Sosuke, Sosuke Otani, Akira Umehara, Akira Umehara, Haruka Miyagawa, Haruka Miyagawa, Satoshi Asaoka, et al. "TRANSFER EFFICIENCY FROM PRIMARY PRODUCERS TO RUDITAPES PHILIPPINARUM ON AN INTERTIDAL FLAT IN HIROSHIMA BAY, JAPAN." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93b4af8c32.73166623.
Повний текст джерелаOtani, Sosuke, Sosuke Otani, Akira Umehara, Akira Umehara, Haruka Miyagawa, Haruka Miyagawa, Satoshi Asaoka, et al. "TRANSFER EFFICIENCY FROM PRIMARY PRODUCERS TO RUDITAPES PHILIPPINARUM ON AN INTERTIDAL FLAT IN HIROSHIMA BAY, JAPAN." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b431714495f.
Повний текст джерелаKazemipour, F., P. Launeau, and V. Meleder. "Hyperspectral characterization of microphytobenthic biofilms." In 2009 First Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS). IEEE, 2009. http://dx.doi.org/10.1109/whispers.2009.5289006.
Повний текст джерелаIsaifan, Dina Jamal, and Yousra Suleiman. "Quantifying Biomass of Microphytobenthos in sediments of Mangroves in the east coast of Qatar." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2021. http://dx.doi.org/10.29117/quarfe.2021.0061.
Повний текст джерелаMerz, Elisa, Judith Klatt, Gregory Dick, Gaute Lavik, Dirk de Beer, and Hannah Marchant. "The dark side of Microphytobenthos: diel dynamics of nitrate respiration in microbial mats and sediments." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.6879.
Повний текст джерелаRichard, Anaïs, Francis Orvain, Jérôme Morelle, Xavier de Montaudouin, and Olivier Maire. "Contrasting influence of bioturbating infauna on biogeochemical sediment dynamics and microphytobenthic primary producers." In Goldschmidt2021. France: European Association of Geochemistry, 2021. http://dx.doi.org/10.7185/gold2021.5790.
Повний текст джерелаChoi, Jong-Kuk, Joo-Hyung Ryu, JinAh Eom, and Jae Hoon Noh. "Analysis on the seasonal variations of microphytobenthos distribution in a tidal flat using remotely sensed data." In SPIE Asia-Pacific Remote Sensing, edited by Robert J. Frouin, Hong Rhyong Yoo, Joong-Sun Won, and Aiping Feng. SPIE, 2010. http://dx.doi.org/10.1117/12.873044.
Повний текст джерелаKazemipour, Farzaneh, Patrick Launeau, and Vona Meleder. "A new approach for microphytobenthos biomass mapping by inversion of simple radiative transfer model: application to Hyspex images of Bourgneuf Bay." In IGARSS 2010 - 2010 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2010. http://dx.doi.org/10.1109/igarss.2010.5651056.
Повний текст джерела