Tesis sobre el tema "Marine fouling organisms"
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Nylund, Göran M. "Chemical mediation of fouling in seaweeds /". Göteborg : Göteborg University, Department of Marine Ecology, 2005. http://www.loc.gov/catdir/toc/fy0701/2006388585.html.
Texto completoWieczorek, Sabine Katharina. "Effects of marine microfouling on the establishment of subtidal hard substratum communities". Thesis, University of St Andrews, 1996. http://hdl.handle.net/10023/13820.
Texto completoYang, Lai Hung. "Antifouling compounds from the marine sponge acanthella cavernosa and its associated microbes /". View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?AMCE%202006%20YANG.
Texto completoScott, Caroline Daphne. "The role of blue-green algae as marine fouling organisms". Thesis, University of Portsmouth, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.282555.
Texto completoAfsar, Anisul Biological Earth & Environmental Sciences Faculty of Science UNSW. "Settlement of marine fouling organisms in response to novel antifouling coatings". Publisher:University of New South Wales. Biological, Earth & Environmental Sciences, 2008. http://handle.unsw.edu.au/1959.4/40927.
Texto completoHou, Huiyi y 侯慧仪. "Marine biofouling organisms respond to multiple stressors in a changing climate". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hdl.handle.net/10722/194551.
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Environmental Management
Master
Master of Science in Environmental Management
Mai-Prochnow, Anne Gerda Erna Biotechnology & Bio-molecular Sciences UNSW. "Autolysis in the development and dispersal of biofilms formed by the marine bacterium Pseudoalteromonas tunicata". Awarded by:University of New South Wales. Biotechnology and Bio-molecular Sciences, 2006. http://handle.unsw.edu.au/1959.4/25537.
Texto completoRoscoe, Donald Thomas. "Settlement and bioadhesion of two marine fouling organisms, Pomatoceros lamarckii and Laminaria digitata". Thesis, Bangor University, 1993. https://research.bangor.ac.uk/portal/en/theses/settlement-and-bioadhesion-of-two-marine-fouling-organisms-pomatoceros-lamarckii-and-laminaria-digitata(9562d900-7365-4a9d-b6fa-1ed8dfc38a90).html.
Texto completoBao, Wei-wei Vivien. "Toxicities and ecological risks of selected anti-fouling biocides to marine organisms in Hong Kong". Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43085180.
Texto completoStelzer, Sacha Biotechnology & Biomolecular Sciences Faculty of Science UNSW. "WmpR regulation of antifouling compounds and iron uptake in the marine bacterium Pseudoalteromonas tunicata". Awarded by:University of New South Wales. School of Biotechnology and Biomolecular Sciences, 2006. http://handle.unsw.edu.au/1959.4/29354.
Texto completoXu, Ying. "Antifouling compounds from deep-sea bacteria and their potential mode of action /". View abstract or full-text, 2009. http://library.ust.hk/cgi/db/thesis.pl?BIOL%202009%20XU.
Texto completoMann, Maryssa Gudrun Ailsa. "An investigation of the antimicrobial and antifouling properties of marine algal metabolites". Thesis, Rhodes University, 2008. http://hdl.handle.net/10962/d1007465.
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McClees, Whitney Elizabeth. "Anthropogenic Effects on the Fouling Community: Impacts of Biological Invasions and Anthropogenic Structures on Community Structure". PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3883.
Texto completoMiao, Li. "Potential antifouling compounds of marine-derived fungi from Hong Kong". online access from Digital Dissertation Consortium, 2006. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?3239505.
Texto completoBao, Wei-wei Vivien y 鮑薇薇. "Toxicities and ecological risks of selected anti-fouling biocides to marine organisms in Hong Kong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hdl.handle.net/10722/210298.
Texto completoDijkstra, Jennifer Anne. "Climate change and invasive species interact to impact succession and diversity in Gulf of Maine marine fouling communities /". Restricted access (UM), 2007. http://libraries.maine.edu/gateway/oroauth.asp?file=orono/etheses/37803141.pdf.
Texto completoSevak, Hamel P. "Potential chemical defenses against diatom fouling in macroalgae from the Antarctic Peninsula insights from bioassay guided fractionation /". Birmingham, Ala. : University of Alabama at Birmingham, 2010. https://www.mhsl.uab.edu/dt/2009m/sevak.pdf.
Texto completoWong, Yuen-yee Queenie. "Mariculture practices in relation to water quality and the nearshore marine environment in Hong Kong /". Hong Kong : University of Hong Kong, 2000. http://sunzi.lib.hku.hk/hkuto/record.jsp?B22264188.
Texto completoEgan, Suhelen Microbiology & Immunology UNSW. "Production and regulation of fouling inhibitory compounds by the marine bacterium Pseudoalteromonas tunicata". Awarded by:University of New South Wales. Microbiology and Immunology, 2001. http://handle.unsw.edu.au/1959.4/17838.
Texto completoCheung, Kwok-wai. "Primary colonisation of submerged artificial substrates with special reference to marine macroalgae /". [Hong Kong : University of Hong Kong], 1986. http://sunzi.lib.hku.hk/hkuto/record.jsp?B12218029.
Texto completoNylund, Göran M. "Epibiosis of red algae and algal metabolites as settlement inhibitors of the barnacle Balanus improvisus Darwin". Göteborg [Sweden] : Dept. of Marine Botany, Göteborg University, 1999. http://bibpurl.oclc.org/web/20311.
Texto completoTitle from PDF t.p. (viewed on Sept. 25, 2007). At head of title: Tjärno Marine Biological Laboratory. Includes bibliographical references (p. 13-14).
Kincaid, Erin Suzanne. "Biofouling Management in the Pacific Northwest and Predation on Native versus Non-native Ascidians". PDXScholar, 2016. http://pdxscholar.library.pdx.edu/open_access_etds/3069.
Texto completoWong, Yuen-yee Queenie y 黃婉儀. "Mariculture practices in relation to water quality and the nearshore marine environment in Hong Kong". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B30257487.
Texto completoNolting, Janine. "Proposed South African management framework for the implementation of the International Convention for the Control and Management of Ships' Ballast Water and Sediments". Thesis, Rhodes University, 2011. http://hdl.handle.net/10962/d1003907.
Texto completoFigueiredo, Joana Rita Monteiro. "Toxicity of novel anti-fouling nanomaterials in Marine organismsv". Master's thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/22019.
Texto completoBiofouling is an ecological succession of fouling communities in submerged surfaces that has extensive ecological, environmental and economic impacts worldwide when developed over man-made structures. In order to minimize this problem, biocides with anti-fouling properties are commonly used in protective coatings of submerged structures. Some decades ago, organotin compounds were used as effective anti-fouling agents, however they were completely banned in 2008 due to the toxic and biomagnification effects. As a consequence, a new generation of biocides were developed with lower toxicity and persistence in the environment when compared to organotin compounds. Recently, one of these biocides (DCOIT) was encapsulated in an engineered nanomaterial (silica mesoporous nanocapsules, SiNC-DCOIT) in order to prevent the interaction of biocides with coatings’ ingredients and control their leaching rate during the early lifetime of conventional paints, with environmental and economic benefits. The present study aimed to assess the toxicity of SiNC-DCOIT and a modified version of the engineered nanomaterial including two biocides, the SiNC-DCOIT coated with silver, to marine species and compare its toxicity with the free counterparts (empty SiNC, DCOIT and Ag). Ecotoxicity tests were carried out with eleven marine species, including bacteria (Vibrio fischeri), microalgae (Isochrysis galbana, Nannochloropsis gaditana, Phaeodactylum tricornutum), rotifers (Brachionus plicatilis), bivalves (Cerastoderma edule, Mytilus galloprovincialis), polychaetes (Hediste diversicolor), crustaceans (Artemia salina, Palaemon varians) and echinoderms (Paracentrotus lividus), following standard tests (with some adaptions in some cases). Acute or short-term chronic endpoints were used upon each species and adopted test. Globally, values of L/E/IC50 for SiNC-DCOIT, SiNC-Ag and SiNC-DCOIT-Ag were higher than the estimated values for DCOIT and silver (dissolved in solution), except for some target groups involved in the early fouling stages, proving that these alternative agents are more environmentally-friendly comparatively to free biocides. The obtained L/E/IC50 and NOEC values from the tested compounds were then used to create species sensitivity distributions together with data from literature. The HC5 and PNEC values derivated from these curves showed that the hazard of DCOIT and silver is reduced when encapsulated, highlighting these novel nanomaterials as a promising anti-fouling solution.
A bioincrustação é uma sucessão ecológica de comunidades incrustantes em superfícies submersas que tem extensos impactos ecológicos, ambientais e económicos em todo o mundo quando desenvolvida em estruturas artificiais. Para minimizar esse problema, os biocidas com propriedades anti-incrustantes são comummente utilizados em revestimentos protetores de estruturas submersas. Há algumas décadas atrás, os compostos organoestânicos eram amplamente utilizados como agentes anti-incrustantes eficazes, porém foram definitivamente banidos em 2008 devido a efeitos tóxicos e de biomagnificação reportados. Como consequência, foi desenvolvida uma nova geração de biocidas com menor toxicidade e persistência no meio ambiente em comparação com os compostos organoestânicos. Recentemente, um desses biocidas (DCOIT) foi encapsulado num nanomaterial manufaturado (nanocápsulas de sílica mesoporosas, SiNC-DCOIT), a fim de evitar a interação dos biocidas com os ingredientes dos revestimentos e controlar a sua taxa de libertação durante o início de vida das tintas convencionais, com benefícios ambientais e económicos. O presente estudo teve como objetivo avaliar os efeitos em diversas espécies marinhas do nanomaterial SiNC-DCOIT e de uma versão modificada deste, contendo dois biocidas (SiNC-DCOIT revestido com prata), e comparar a sua toxicidade com os componentes destes nanomateriais (SiNC vazias, DCOIT e Ag). Os testes de ecotoxicidade foram realizados com onze espécies marinhas, incluindo bactérias (Vibrio fischeri), microalgas (Isochrysis galbana, Nannochloropsis gaditana, Phaeodactylum tricornutum), rotíferos (Brachionus plicatilis), bivalves (Cerastoderma edule, Mytilus galloprovincialis), poliquetas (Hediste diversicolor), crustáceos (Artemia salina, Palaemon varians) e equinodermes (Paracentrotus lividus), seguindo testes padrão (com algumas adaptações em alguns casos) ou com protocolos bem definidos. Foram determinados parâmetros agudos ou crónicos de curta duração dependendo da espécie testada e do teste adotado. Globalmente, os valores de L/E/IC50 para SiNC-DCOIT, SiNC-Ag e SiNC-DCOIT-Ag foram superiores aos valores estimados para DCOIT e prata (dissolvidos em solução), com exceção de alguns grupos alvo envolvidos nos primeiros estádios de incrustação, provando assim que estes são agentes alternativos mais amigos do ambiente comparativamente aos biocidas livres. Os valores obtidos de L/E/IC50 e NOEC para os compostos testados foram depois utilizados para derivar curvas de distribuições de sensibilidade de espécies, juntamente com dados da literatura. Os valores HC5 e PNEC derivados dessas curvas mostraram que o perigo do DCOIT e da prata diminui quando encapsulados, destacando que estes nanomateriais inovadores parecem ser uma solução anti-incrustante promissora.
Hodson, SL. "Biofouling of salmon-cage netting : fouling quantification, removal and prevention". Thesis, 1998. https://eprints.utas.edu.au/20565/7/Hodson_whole%20thesis_ex_pub_mat.pdf.
Texto completoChen, Ping-Hung y 陳秉弘. "Studies on fouling organisms in the marine cage culture". Thesis, 1999. http://ndltd.ncl.edu.tw/handle/23651981182206032996.
Texto completo國立中山大學
海洋資源學系
87
Cage culture along coastal water is a recently development of aquaculture. A net can be encrusted with fouling organisms. The fouling organisms increase resistance to water flow. The additional weight of fouling on cage bags makes net changing difficult. Biofouling will cause net bag deformation by hindering water flow. The composition and succession of epibionts on the cage and their potential consequences have been studied. In order to understand the biofouling on the cage net, we conducted a survey on the fouling conditions on the cage net along both the coasts of Liuchiuyu and Zukeng of Taiwan. For fieldwork of cage net, the fouling communities in summer and autumn contained more taxon than in spring and winter (maximum difference was 9 taxa.). The parallel-current face of the cage net is more than that on the counter-current face (max. diff. was 12 taxa.), and more at Liuchiuyu than Zukeng (diff. was 6 taxa.). For two orders, April and September, the experiment-net sets of net with mesh size of 1.5cm2, were deployed in the cage culture ground in Liuchiyu. The results showed that the number of species was greater for submersion in autumn than spring. This suggested a temperature difference for net settlement between these two season. After observing for three months we counted more than 30 species from all experiment-nets. The similarity of fouling organisms and biomass of experiment-nets suggested stabilization. The predominant forms were compound algae and burnacle. The sum weight of both can be 50% or over in total weight. Fouling was mostly composed of algae at 1.5 and 3 m depth. An increase at depth facilitated barnacle settlement on nets. However, during September, the experiment-net sets of net with mesh size of 1.5cm2 and 3 cm2, were deployed in the cage culture ground in Liuchiyu. The results showed that the diversity of fouling organisms was more on the smallest mesh size. The most abundant species on the largest mesh was barnacle. The net mesh congestion could be evaluated from the area of mesh and diameter of the thread of net. Statistical analyses using the linear regression gave the biomass between these two evaluation. The correlation is positive for mesh area and wet weight. The correlation of thread diameter and wet weight is negative. The best relation is between thread diameter and wet weight (coefficient of determination is 0.88). In the future, when fouling necessitates appropriate cage management, we suggest the diameter of thread be an important consideration.
Egan, Suhelen. "Production and regulation of fouling inhibitory compounds by the marine bacterium Pseudoalteromonas tunicata /". 2001. http://www.library.unsw.edu.au/~thesis/adt-NUN/public/adt-NUN20010925.141640/index.html.
Texto completoMouland, Derek J. "A study of algal biofouling on pearl nets in Charles Arm, Notre Dame Bay, Newfoundland /". 2003.
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