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Relevant bibliographies by topics / Marine chemical ecology

Academic literature on the topic 'Marine chemical ecology'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 August 2024

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Journal articles on the topic "Marine chemical ecology"

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Pawlik, JR. "Marine chemical ecology." Marine Ecology Progress Series 207 (2000): 225–26. http://dx.doi.org/10.3354/meps207225.

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Paul, Valerie J., and Raphael Ritson-Williams. "Marine chemical ecology." Natural Product Reports 25, no. 4 (2008): 662. http://dx.doi.org/10.1039/b702742g.

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Pavia, Henrik. "Marine Chemical Ecology." Journal of Experimental Marine Biology and Ecology 283, no. 1-2 (January 2003): 146–47. http://dx.doi.org/10.1016/s0022-0981(02)00493-8.

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Boettcher, Anne A. "Marine Chemical Ecology." Journal of Phycology 38, no. 3 (June 2002): 616. http://dx.doi.org/10.1046/j.1529-8817.2002.03831.x.

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Paul, Valerie J., Melany P. Puglisi, and Raphael Ritson-Williams. "Marine chemical ecology." Natural Product Reports 23, no. 2 (2006): 153. http://dx.doi.org/10.1039/b404735b.

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Schwartz, Emily R., Remington X. Poulin, Nazia Mojib, and Julia Kubanek. "Chemical ecology of marine plankton." Natural Product Reports 33, no. 7 (2016): 843–60. http://dx.doi.org/10.1039/c6np00015k.

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A review of new studies from January 2013 to December 2014 covering chemically mediated ecological interactions in marine pelagic environments, including intraspecific and interspecific interaction, and ecosystem level effects of plankton chemical cues.

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Tan, Lik Tong. "Impact of Marine Chemical Ecology Research on the Discovery and Development of New Pharmaceuticals." Marine Drugs 21, no. 3 (March 9, 2023): 174. http://dx.doi.org/10.3390/md21030174.

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Diverse ecologically important metabolites, such as allelochemicals, infochemicals and volatile organic chemicals, are involved in marine organismal interactions. Chemically mediated interactions between intra- and interspecific organisms can have a significant impact on community organization, population structure and ecosystem functioning. Advances in analytical techniques, microscopy and genomics are providing insights on the chemistry and functional roles of the metabolites involved in such interactions. This review highlights the targeted translational value of several marine chemical ecology-driven research studies and their impact on the sustainable discovery of novel therapeutic agents. These chemical ecology-based approaches include activated defense, allelochemicals arising from organismal interactions, spatio-temporal variations of allelochemicals and phylogeny-based approaches. In addition, innovative analytical techniques used in the mapping of surface metabolites as well as in metabolite translocation within marine holobionts are summarized. Chemical information related to the maintenance of the marine symbioses and biosyntheses of specialized compounds can be harnessed for biomedical applications, particularly in microbial fermentation and compound production. Furthermore, the impact of climate change on the chemical ecology of marine organisms—especially on the production, functionality and perception of allelochemicals—and its implications on drug discovery efforts will be presented.

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Paul, Valerie J., Raphael Ritson-Williams, and Koty Sharp. "Marine chemical ecology in benthic environments." Nat. Prod. Rep. 28, no. 2 (2011): 345–87. http://dx.doi.org/10.1039/c0np00040j.

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Sieg, R. Drew, Kelsey L. Poulson-Ellestad, and Julia Kubanek. "Chemical ecology of the marine plankton." Nat. Prod. Rep. 28, no. 2 (2011): 388–99. http://dx.doi.org/10.1039/c0np00051e.

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Puglisi, Melany P., Jennifer M. Sneed, Koty H. Sharp, Raphael Ritson-Williams, and Valerie J. Paul. "Marine chemical ecology in benthic environments." Nat. Prod. Rep. 31, no. 11 (July 29, 2014): 1510–53. http://dx.doi.org/10.1039/c4np00017j.

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Dissertations / Theses on the topic "Marine chemical ecology"

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Jenkins, Kelly Matthew. "Chemical investigations of marine filamentous and zoosporic fungi and studies in marine microbial chemical ecology /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1998. http://wwwlib.umi.com/cr/ucsd/fullcit?p9907830.

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Paul, Nicholas Andrew School of Biological Earth &amp Environmental Sciences UNSW. "The ecology of chemical defence in a filamentous marine red alga." Awarded by:University of New South Wales. School of Biological, Earth and Environmental Sciences, 2006. http://handle.unsw.edu.au/1959.4/24304.

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I investigated the ecological functions of halogenated secondary metabolites from the red alga Asparagopsis armata, their localisation in specialised cells and also their cost of production. A. armata produces large amounts of halogenated metabolites ( < 20 ??g / mg dry weight) that are sequestered in gland cells, as was demonstrated with light, epifluorescence and transmission electron microscopy. Cellular structures were identified that likely assist the release of metabolites from the gland cells to the algal surface. The halogenated metabolites of A. armata have multiple ecological roles, functioning as both inhibitors of bacterial fouling and as herbivore deterrents. Their activity against bacteria and herbivores was measured by a novel test in which the metabolites were manipulated in A. armata by omitting bromide ions from the culture media. This technique prevented the production of halogenated metabolites, but did not impact on other aspects of algal biology. Algae lacking halogenated metabolites (bromide [-] algae) had higher densities of epiphytic bacteria than those that continued to produce metabolites (bromide [+] algae). Bioassays with pure compounds against individual bacterial isolates further supported an inhibitory role for the halogenated metabolites against epiphytic bacteria, and also indicated an affect on bacterial community structure as well as abundance. Bromide (+) A. armata produced halogenated metabolites that also deterred feeding by two herbivores (an amphipod and an abalone), but not a third (an opisthobranch mollusc). A novel outcome from these feeding assays was the demonstration of a relationship between herbivore size and consumption of the chemically defended A. armata by the abalone Haliotis rubra. In addition to the fitness benefits gained from chemical defence, there were also costs for allocating resources to secondary metabolites. These costs were only detected under limiting light resources, consistent with predictions of the plant defence models. The integration of chemical analyses and cellular measures of chemical defence proved essential in elucidating resource allocation to chemical defence in the filamentous stage of A. armata. This thesis highlights that the simple relationships between growth and defence in filamentous algae can provide an excellent model for studies of the ecology and evolution of chemical defences in marine algae.

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Gray, Christopher Anthony. "The role of a symbiotic bryozoan in the chemical ecology of a marine benthic predator-prey interaction." Thesis, Rhodes University, 2001. http://hdl.handle.net/10962/d1005444.

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The subtidal whelk Burnupena papyracea (Brugière) co-occurs with a voracious predator, the rock lobster Jasus lalandii (Milne Edwards), in situations where other potential prey are largely eliminated. This has been ascribed to a symbiotic bryozoan, Alcyonidium nodosum (O’Donoghue and de Watteville), which characteristically encrusts the shells of B. papyracea and deters feeding by Jasus. In this study it is shown that this is not due to physical effects of either induced physical defences in the bryozoan or increased shell strength due to the presence of the bryozoan. Neither spectroscopic screening of chemical extracts of the bryozoan nor analysis for volatile constituents revealed any apparent chemical components that are likely to deter feeding. Chemical extracts also failed to show larvicidal effects in a standard toxicity assay using the brine shrimp Artemia salina (Leach). Despite this, bioassays using individual Jasus indicated a chemical basis for feeding deterrence. The assays were run separately on three sets of Jasus and some repeats of assays gave contradictory results. However, assays showing no significant effect of treatment occurred with moulting Jasus, involved very low overall feeding rates and so gave a less convincing result. In other assays Jasus always avoided Burnupena papyracea with live Alcyonidium encrusting the shell, and food pellets containing Alcyonidium or an Alcyonidium extract. Significant preferences were shown for an unencrusted whelk, B. cincta (Röding), over B. papyracea; for B. papyracea with the bryozoan scraped off over natural B. papyracea; for B. papyracea on which the bryozoans had been killed with liquid nitrogen over untreated B. papyracea; and for food pellets prepared from ground, dried mussel over pellets prepared with dried mussel mixed with A. nodosum or its crude organic extract. It is concluded that the protection which Alcyonidium confers on Burnupena papyracea does have a chemical basis, but that the chemical responsible is either present in only trace quantities, or that it is a structurally unremarkable compound which is distasteful to Jasus. This work highlights both the advantages of using ecologically relevant bioassays (positive results when standard techniques give a negative result) and also the disadvantages (logistic constraints on sample sizes when using large test animals and individual variability in a relatively sophisticated test animal).

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李崇志 and Sung-chi Lee. "Chemical ecology of algae and the cyanobacterium kyrtuthrix maculans on Hong Kong rocky shores." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31241955.

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Lee, Sung-chi. "Chemical ecology of algae and the cyanobacterium kyrtuthrix maculans on Hong Kong rocky shores." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23316688.

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Hicks, Melissa Kathryn. "Chemical cues affecting susceptibility of gorgonian corals to fungal infection." Thesis, Available online, Georgia Institute of Technology, 2005, 2005. http://etd.gatech.edu/theses/available/etd-11272005-165350/.

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Ruchonnet, Diane Astrid. "The chemical ecology and antibacterial activity of the brown alga Halidrys siliquosa and other Scottish seaweeds." Thesis, University of Aberdeen, 2007. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=186834.

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In regard to the more and more restrictive legislations on the use of organotins in antifouling coatings the need for the development of 'environmentally friendly' antifouling formulations becomes urgent. This study was initiated by the screening of the antifouling activity of Scottish algae against marine fouling bacteria aI;ld was followed by an examination ofthe chemical ecology ofthe brown alga Halidrys siliquosa. Of eleven algal species tested, eight exhibited good antifouling activity, confirming marine algae as a potential source for the development ofnovel antifouling formulations. H. siliquosa crude extracts tested at concentrations equivalent to whole algal tissue inhibited bacterial growth, with bacteria isolated from the surface orH. siliquosa being less sensitive to the extracts compared to bacteria isolated from stones and open seawater. This suggested for the first time that bacteria associated with the surface of the seaweed had evolved some kind of resistance to the plant antimicrobial activity. Characterisation of the active components using NMR spectroscopy showed the activity to be largely associated with the presence of polyunsaturated fatty acids (PUFAs). Examination of purified fractions using GCIMS allowed identification and quantification of PUFAs 18:2, 18:4, 20:4 and 20:5. A separate study, determining minimum inhibitory concentrations of 18:2 and 20:4 against marine fouling bacteria indicated that both acids were present in sufficient concentrations in the plant to inhibit bacterial growth. The presence of PUPAs on the surface of the seaweed could not be demonstrated using a surface dip technique; however, this technique was originally developed for the extraction of non-polar metabolites only. This study suggests that PUFAs produced by H. siliquosa are potentially able to regulate biofouling by means of disrupting the early stage of biofilm development, i.e. bacterial colonisation. However, to confirm this hypothesis, the presence of PUFAs on the surface of the plant' still needs to be demonstrated.

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D'Souza, Nicole. "A marine chemical ecology study of the sea hare, Bursatella leachii in South Africa." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1002952.

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The large cosmopolitan sea hare Bursatella leachii is a common resident in Eastern Cape river mouths during summer and late autumn where they congregate in beds of Zostera capensis to breed. In this thesis, the previously known toxic formamide marine secondary metabolite (-)-bursatellin (2.2), which may deter predators of South African specimens of the globally distributed sea hare Bursatella leachii, was isolated and identified (Chapter 2). There have been no previous chemical ecology studies of B. leachii and the latter half of this thesis is devoted to chemical ecology studies of this organism. Interestingly, the isolation of the (-)-diastereomer of 2.2 from specimens of B. leachii collected from the Kariega River mouth (near Kenton-on-Sea) suggests that the South African specimens of this species are similar to specimens collected from Puerto Rico and from the Mediterranean Sea. Two different chromatographic techniques for isolating 2.2 were compared in order to maximize the amount of 2.2 isolated from the Kariega River mouth sea hares. The doubling of selected resonances observed in both the ¹H and ¹³C NMR spectra of the bursatellin isolated in this study suggest one of three possibilities; either firstly, the presence of closely related compound(s), secondly, the presence of diastereomers or thirdly the presence of rotamers. Through NMR kinetic studies, we were able to establish that the presence of rotamers was very unlikely due to no change in the relative ratio (3:1) of the ¹H NMR signals with an increase in temperature. Although the attempted synthesis of the acetate derivative (2.28), as a means of separating a diastereomeric mixture was successful, the chromatographic separation of the proposed acetylated diastereomers was not successful. Preparation of the camphanate ester derivatives (e.g. 2.30) proved to be unsuccessful. Five B. leachii specimens were dissected, their organs separated and individually extracted with methanol. The methanol extracts were individually chromatographed on HP-20 media, and the distribution of bursatellin determined by isolation and NMR. It was evident from this investigation that the distribution of 2.2 within individual B. leachii specimens was found to be highest within the B. leachii ink gland. The lower amounts of 2.2 contained in the digestive system, relative to other organs, was hypothesized to occur because 2.2 is sequestered from the diet of the sea hare and efficiently moved from the gut to various organs around the body where it is stored. The absence of 2.2 from the skin was surprising and may be a result of a smaller mass of skin relative to other organs coupled with the limitations of the chromatographic separation techniques employed. Surprisingly, no bursatellin was found within juvenile sea hares. Chapter three discusses the isolation of ilimaquinone (3.1) and pelorol (3.19) from the sponge Hippospongia metachroma and the structure elucidation of each compound using computer modeling to illustrate the conformation. It was deemed necessary to isolate these well known and abundant bioactive marine natural products from a sponge as standard compounds in the bioassays given the paucity of 2.2 available for this study. Chapter four describes the assays used to test the biological activity of the bursatellin 2.2 compared to the generally bioactive ilimaquinone and the structurally related and commercially available broad spectrum antibiotic chloramphenicol. B. leachii, a shell-less marine mollusc inhabits a variety of intertidal habitats and, therefore, is exposed to several different predators, yet does not appear to have any specific predators. Potential predators of this sea hare in the Kariega Estuary could be fish and amphipods which are found in close proximity to these sea hares. Results of the assays showed that at roughly natural concentrations, (calculated from the isolated chromatographic yield) feeding was deterred by the fish and amphipods, which implied that 2.2 may confer a defensive role within the organism. The relatively high concentration present within the ink gland of B. leachii may support this hypothesis. Surprisingly, given its structural similarity to chloramphenicol, 2.3 did not show any antimicrobial action against five of the six bacterial strains against which it was screened [chloramphenicol inhibited the growth of all the bacterial strains at very low concentrations (0.25 mg/mL)]. Bursatellin was found to be only active against Staphylococus aureus at high concentrations ca. 2 mg/mL when compared to chloramphenicol. Neither bursatellin nor chloramphenicol showed anti-fungal activity. Although this study suggests that the sea hares may use chemical defences in addition to opaline ink to defend themselves, they also live within the seagrass Z. capensis, which possibly provides the sea hare with a cryptic form of physical defence against several predators that are unable to swim freely within the weed beds in the littoral zone of the estuary.
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Figuerola, Balañá Blanca. "Biodiversity and Chemical ecology in Antarctic bryozoans = Biodiversitat i ecologia química de briozous antàrtics." Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/129165.

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The current thesis covers two important and poorly known aspects of Antarctic bryozoans: biodiversity and chemical ecology. The comparative analyses of diversity carried out here (Chapters 1 and 2) between Antarctica and the last separated fragments of Gondwana support the hypothesis of the sequential separation of Gondwana. We discuss that the high number of species from the Argentine Patagonian (AP) region shared with Antarctica found in our study question the real extent of Antarctic isolation for cheilostome bryozoans. The presence of shared common bryozoan species between these two regions may also be explained by the free migration of marine organisms in and out of the Polar Front, via the deep abyssal plains and the potential passive northwards transport of larvae (or perhaps even adults) to considerable distances, via the branch of the Antarctic Circumpolar Current (ACC) flowing northward along the continental shelf of Argentina, the Falkland/Malvinas Current. The role of the Scotia Arc and other dispersal pathways, like eddies of ACC, and human dispersal mechanisms, may increase the bryozoan connection found between the Antarctica and the AP region. Also, our studies (Chapters 1 and 2) are among the first characterizations of the bryozoan communities, mainly at the slope, from the AP region, and from the Southern Ocean (SO), specially the Weddell Sea. The bathymetric distribution from the AP region and the SO found in our studies fits well with the limits of the continental shelf, the slope and the deep sea. Interestingly, our research also shows an expansion in the known distribution of diverse bryozoan species from the AP region and the SO. Our results stress the importance of taxonomical studies in these scarcely explored regions, reporting a high number of new genera and species, and new records too. Among the new species found in our study, a bryozoan of the genus of Reteporella characterized by rare giant spherical avicularia is described in Chapter 3, leading us to discuss which are the potential roles of the avicularia. Since the studied bryozoan communities, below areas affected by local disturbances (iceberg scours and anchor ice), are mainly subject to biotic factors such as competence and predation, the evolution has favoured the development of chemical mechanisms in benthic organisms, which have also been investigated here (Chapters 4 and 5). Our studies are among the first reports on chemical ecology of Antarctic bryozoans. In order to study these chemical interactions, new adapted protocols were designed using sympatric and abundant predators. Our findings demonstrate the importance of diverse chemical ecology mechanisms against competence and predation in Antarctic bryozoans. Most bryozoan species tested here display cytotoxicity and/or repellent activity against the sea urchin Sterechinus neumayeri and the amphipod Cheirimedon femoratus, respectively (Chapter 4). In Chapter 5, our results demonstrate that bryozoans seem to be readily defended against at least one of the two abundant predators, Odontaster validus and C. femoratus. The intra- and interspecific variability in bioactivity suggest an adaptive response to diverse abiotic and biotic factors, presence of microorganisms and/or genetic variability. The general trend in our study indicates the presence of a combination of both chemical and physical defensive mechanisms in most bryozoan species, suggesting complementary traits. In general, these results lead to the conclusion that this phylum is very active with extended repellent activities.
Aquesta tesi cobreix dos aspectes importants i poc coneguts dels briozous antàrtics: la biodiversitat i l'ecologia química. L'anàlisi comparatiu de diversitat realitzat aquí (Capítol 1 i 2) entre l'Antàrtida i altres zones geogràficament properes recolzen la hipòtesi de la separació seqüencial de Gondwana. Es discuteix que l'elevat nombre d'espècies de la regió de la Patagònia argentina (PA) compartides amb l'Antàrtida qüestiona el grau real d'aïllament de l'Antàrtida en briozous queilostòmats. Els nostres estudis (Capítols 1 i 2) són també una de les primeres caracteritzacions de les comunitats de briozous, principalment del talús, de la regió de la PA, i de l' Oceà Austral, especialment el Mar de Weddell. Els nostres resultats remarquen la importància dels estudis taxonòmics en aquestes regions escassament explorades, incloent un gran nombre de nous gèneres i espècies, i noves cites. Entre les noves espècies trobades en el nostre estudi, es descriu un briozou del gènere Reteporella caracteritzat per una rara aviculària esfèrica i gegant, portant-nos a reconsiderar quines són les possibles funcions de l'aviculària (Capítol 3). Com les comunitats estudiades de briozous, per sota de les zones afectades per pertorbacions locals (erosió per icebergs), estan subjectes principalment a factors biòtics com la competència i la depredació, l'evolució ha afavorit el desenvolupament de mecanismes químics de protecció (Capítols 4 i 5). Els nostres estudis són dels primers en ecologia química de briozous antàrtics. Els nostres resultats demostren la importància de diversos mecanismes d'ecologia química contra la competència i la depredació en briozous antàrtics. La majoria de les espècies de briozous mostraven activitat citotòxica i/o repel•lent contra l'eriçó de mar Sterechinus neumayeri i l'amfípode Cheirimedon femoratus, respectivament (Capítol 4). En el capítol 5, totes les espècies de briozous estudiats mostraven activitat de repel•lència alimentària contra almenys un dels dos depredadors abundants considerats, l'estrella de mar Odontaster validus i l'amfípode Cheirimedon femoratus. La tendència general en el nostre estudi indica la possessió d'una combinació de mecanismes físics i químics en la majoria de les espècies, fet que suggereix estratègies complementàries.

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Wai, Ho Yin. "Effects of deployment of artificial reefs on the marine benthic environment, with special reference to sediment physico-chemical characteristics /." access full-text access abstract and table of contents, 2009. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?mphil-bch-b23750856f.pdf.

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Thesis (M.Phil.)--City University of Hong Kong, 2009.
"Submitted to Department of Biology and Chemistry in partial fulfillment of the requirements for the degree of Master of Philosophy." Includes bibliographical references (leaves 144-191)

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Books on the topic "Marine chemical ecology"

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B, McClintock James, and Baker B. J, eds. Marine chemical ecology. Boca Raton, Fla: CRC Press, 2001.

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R, MacDonald Ian, Schroeder William W, and United States. Minerals Management Service. Gulf of Mexico OCS Region, eds. Chemosynthetic ecosystems studies: Interim report. New Orleans, La: U.S. Dept. of the Interior, Minerals Management Service, Gulf of Mexico OCS Region, 1993.

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Nylund, Göran M. Chemical mediation of fouling in seaweeds. Sweden: Göteborg University, 2005.

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J, Scheuer Paul, and Albizati Kim Francis 1954-, eds. Synthesis of marine natural products. Berlin: Springer-Verlag, 1992.

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Barenbrock, Jana Stefanie. Tunikaten (Ascidiacea) der Nordsee: Chemische Ökologie und pharmakologisches Potential = Tunicates (Ascidiacea) of the North Sea : chemical ecology and pharmacological potential. Bremerhaven: Alfred-Wegeren-Institut für Polar- und Meeresforschung, 2006.

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Ryann, Amy L., Amy L. Ryann, and Nathan J. Perkins. The Black Sea: Dynamics, ecology, and conservation. Hauppauge, N.Y: Nova Science Publishers, 2010.

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Sorokin, I︠U︡ I. The Black Sea: Ecology and oceanography. Leiden: Backhuys, 2002.

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Nesvetova, G. I. Gidrokhimicheskie uslovii︠a︡ funkt︠s︡ionirovanii︠a︡ ėkosistemy Barent︠s︡eva mori︠a︡. Murmansk: Izd-vo PINRO, 2002.

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Ryann, Amy L. The Black Sea: Dynamics, ecology, and conservation. Hauppauge, N.Y: Nova Science Publishers, 2010.

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European, Marine Biology Symposium (32nd 1997 Lysekil Sweden). Recruitment, colonization, and physical-chemical forcing in marine biological systems. Dordrecht: Kluwer Academic, 1998.

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Book chapters on the topic "Marine chemical ecology"

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Karuso, Peter. "Chemical Ecology of the Nudibranchs." In Bioorganic Marine Chemistry, 31–60. Berlin, Heidelberg: Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-72726-9_2.

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Thakur, Narsinh L., and Anshika Singh. "Chemical Ecology of Marine Sponges." In Marine Sponges: Chemicobiological and Biomedical Applications, 37–52. New Delhi: Springer India, 2016. http://dx.doi.org/10.1007/978-81-322-2794-6_3.

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Sammarco, Paul W., and John C. Coll. "The Chemical Ecology of Alcyonarian Corals." In Bioorganic Marine Chemistry, 87–116. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-48346-2_3.

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Baker, Bill J., Charles D. Amsler, and James B. McClintock. "Macroalgal Chemical Defenses in Polar Marine Communities." In Algal Chemical Ecology, 91–103. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_4.

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Pereira, Renato Crespo, and B. A. P. da Gama. "Macroalgal Chemical Defenses and Their Roles in Structuring Tropical Marine Communities." In Algal Chemical Ecology, 25–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_2.

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Jormalainen, Veijo, and Tuija Honkanen. "Macroalgal Chemical Defenses and Their Roles in Structuring Temperate Marine Communities." In Algal Chemical Ecology, 57–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_3.

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Pelletreau, Karen N., and Nancy M. Targett. "New Perspectives for Addressing Patterns of Secondary Metabolites in Marine Macroalgae." In Algal Chemical Ecology, 121–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_6.

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Van Alstyne, Kathryn L. "Ecological and Physiological Roles of Dimethylsulfoniopropionate and its Products in Marine Macroalgae." In Algal Chemical Ecology, 173–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-74181-7_8.

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Jenkins, Kelly M., Paul R. Jensen, and William Fenical. "Bioassays with Marine Microorganisms." In Methods in Chemical Ecology Volume 2, 1–38. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5411-0_1.

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Hay, Mark E., John J. Stachowicz, Edwin Cruz-Rivera, Stephan Bullard, Michael S. Deal, and Niels Lindquist. "Bioassays with Marine and Freshwater Macroorganisms." In Methods in Chemical Ecology Volume 2, 39–141. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5411-0_2.

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Conference papers on the topic "Marine chemical ecology"

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Денисов, В., V. Denisov, Ю. Ткаченко, and Yu Tkachenko. "MATERIAL AND CHEMICAL COMPOSITION OF SUSPENDED MATTER in the RUSSIAN SECTOR OF THE BLACK SEA SHELF." In Sea Coasts – Evolution ecology, economy. Academus Publishing, 2018. http://dx.doi.org/10.31519/conferencearticle_5b5ce39b2b8944.29139774.

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Abstract:

Using sediment traps (ST) in marine research expeditions from 1986 to 2010, 188 samples of suspended matter were analyzed. All the samples were received from the shallow-water area (2 to 50 meters depth) of the Black sea shelf. Sedimentary matter from the catch basins was singled out by means of direct, high vacuum, membranous ultrafiltration with nuclear filters having 0,45 μm diameter pinholes produced by the United Institute of Nuclear Investigations in Dubna (UINI). The suspended matter received was dried till weight stabilizing, scaled and underwent analytical research. The material composition of the sedimentary matter is represented by the clayed-carbonated-micaceous matter. Biogenous minerals are represented by three carbon types: tiff, aragonite and siderite. The amount of the chiselly biogenous minerals has a subordinate meaning and serves as adulteration in suspended matter. The amount of ore minerals in the suspended matter compositionreaches 2–3 % (ferric oxide – 1 %, ferric hydroxide – up to 2 %, etc.). Geochemical composition of the suspended matter is tightly related to the bioproduction and biofiltration, impact of river flow, shallow-water sediment detachment and inflow of aerosolized matter. The industrial factor plays an important part in formation of modern chemical suspended matter composition.

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Schindler, Rob, Sean Comber, and Andrew Manning. "METAL POLLUTANT PATHWAYS IN COHESIVE COASTAL CATCHMENTS: INFLUENCE OF FLOCCULATION ON PARTITIONING AND FLUX." In GEOLINKS International Conference. SAIMA Consult Ltd, 2020. http://dx.doi.org/10.32008/geolinks2020/b2/v2/09.

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Abstract:

Potentially toxic metals (PTMs) dispersed within catchments from land-based sources pose serious, long-term threats to aquatic ecology and human health. Their chemical state or form affects the potential for transportation and bioavailability and ultimate environmental fate. PTMs are transported either as (1) particulates adsorbed onto sediments, or 2) solutes in groundwater and open channel flow. Cohesive sediment occupies a major part of the world’s coastlines. PTMs are readily sorbed onto clay/silt and consequently particulate-borne PTMs dominate in estuaries and coastal waters. Sediments also represent a considerable ‘sink’ of contaminants which can be periodically remobilized. The role of suspended particulates in the uptake, release, and transport of heavy metals is thus a crucial link in understanding PTM dispersion in these environments. Cohesive sediment is subject to flocculation which dictates the behaviour of suspended sediment. PTM partitioning, flocculation and particulate-borne PTM dynamics are spatially and temporally variable in response to a complex array of inter-related physical and chemical factors exhibited within tidal catchments. However, knowledge of the dispersion and accumulation of both particulate and soluble forms of PTMs within cohesive coastal catchments is limited by little understanding of the association of PTMs with flocculated sediments and their subsequent deposition. This study investigates the influence of changing hydrodynamics and salinities to reveal the partitioning coefficients (Kp) and PTM settling flux (PTMSF) for different spatial and temporal locations within an idealized mesotidal catchment. The data show that the ratio of soluble and particulate-borne PTMs are dependent on salinity and flocculation, and that PTMSF is dependent upon partitioning and flocculation dynamics. Kp is largely dictated by salinity, but floc size and suspended particulate matter concentration (SPMC) are also influential, particular for PTMs with low chloride complexation and in freshwater. PTMSF is a function of Kp, floc size and settling velocity and varies by up to 3 orders of magnitude in response to changing environmental conditions. Findings will improve our ability to predict and monitor contaminant transport for PTMs generated by industries such as agriculture, mining, fisheries, aquaculture & marine engineers. They can be incorporated in existing decision making tools, and help improve numerical modelling parameteristion, to maintain environmental quality standards and limit the impacts of bioavailability of metals in aquatic environment.

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