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Статті в журналах з теми "Algal Grazers"
Albini, Dania, Mike S. Fowler, Carole Llewellyn, and Kam W. Tang. "Turning defence into offence? Intrusion of cladoceran brood chambers by a green alga leads to reproductive failure." Royal Society Open Science 7, no. 9 (September 2020): 200249. http://dx.doi.org/10.1098/rsos.200249.
Повний текст джерелаFisher, Carolyn L., Pamela D. Lane, Marion Russell, Randy Maddalena, and Todd W. Lane. "Low Molecular Weight Volatile Organic Compounds Indicate Grazing by the Marine Rotifer Brachionus plicatilis on the Microalgae Microchloropsis salina." Metabolites 10, no. 9 (September 4, 2020): 361. http://dx.doi.org/10.3390/metabo10090361.
Повний текст джерелаMinuti, JJ, and BD Russell. "Functionally redundant herbivores: urchin and gastropod grazers respond differently to ocean warming and rising CO2." Marine Ecology Progress Series 656 (December 10, 2020): 239–51. http://dx.doi.org/10.3354/meps13416.
Повний текст джерелаGrutter, AS, S. Bejarano, KL Cheney, AW Goldizen, T. Sinclair-Taylor, and PA Waldie. "Effects of the cleaner fish Labroides dimidiatus on grazing fishes and coral reef benthos." Marine Ecology Progress Series 643 (June 11, 2020): 99–114. http://dx.doi.org/10.3354/meps13331.
Повний текст джерелаJordan, J., and PS Lake. "Grazer-epilithon interactions in an Australian upland stream." Marine and Freshwater Research 47, no. 6 (1996): 831. http://dx.doi.org/10.1071/mf9960831.
Повний текст джерелаTank, Suzanne E., and David W. Schindler. "The role of ultraviolet radiation in structuring epilithic algal communities in Rocky Mountain montane lakes: evidence from pigments and taxonomy." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 8 (August 1, 2004): 1461–74. http://dx.doi.org/10.1139/f04-080.
Повний текст джерелаHeard, Stephen B., and Corinne K. Buchanan. "Grazercollector facilitation hypothesis supported by laboratory but not field experiments." Canadian Journal of Fisheries and Aquatic Sciences 61, no. 6 (June 1, 2004): 887–97. http://dx.doi.org/10.1139/f04-022.
Повний текст джерелаConnelly, S. J., E. A. Wolyniak, K. L. Dieter, C. E. Williamson, and K. L. Jellison. "Impact of Zooplankton Grazing on the Excystation, Viability, and Infectivity of the Protozoan Pathogens Cryptosporidium parvum and Giardia lamblia." Applied and Environmental Microbiology 73, no. 22 (September 14, 2007): 7277–82. http://dx.doi.org/10.1128/aem.01206-07.
Повний текст джерелаJacobucci, G. B., M. O. Tanaka, and F. P. P. Leite. "Factors influencing temporal variation of a Sargassum filipendula (Phaeophyta: Fucales) bed in a subtropical shore." Journal of the Marine Biological Association of the United Kingdom 89, no. 2 (March 2009): 315–21. http://dx.doi.org/10.1017/s0025315409002306.
Повний текст джерелаKhan, Najmus Sakib. "Ecological Potentiality of Plankton: A Perspective on Nutrition, Toxicity and Bio-Indication." Environmental Sciences and Ecology: Current Research (ESECR 2, no. 7 (December 7, 2021): 1–4. http://dx.doi.org/10.54026/esecr/1040.
Повний текст джерелаДисертації з теми "Algal Grazers"
Cervin, Gunnar. "Interactions between grazers and algal canopies, an experimental approach /." Göteborg (Ecologie marine) : Göteborg university, 2002. http://catalogue.bnf.fr/ark:/12148/cb39929291f.
Повний текст джерелаMadikiza, Liwalam Onwabile. "The role of grazers and basal sustrate cover in the control of intertidal algal distribution." Thesis, University of the Western Cape, 2006. http://etd.uwc.ac.za/index.php?module=etd&.
Повний текст джерелаRosser, S. M. Jane Horner. "Phytoplankton ecology in the upper Swan River estuary, Western Australia: with special reference to nitrogen uptake and microheterotroph grazing." Thesis, Curtin University, 2004. http://hdl.handle.net/20.500.11937/1562.
Повний текст джерелаRosser, S. M. Jane Horner. "Phytoplankton ecology in the upper Swan River estuary, Western Australia: with special reference to nitrogen uptake and microheterotroph grazing." Curtin University of Technology, Department of Environmental Biology, 2004. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=16266.
Повний текст джерелаSpecific uptake rates (v), normalised to chlorophyll a, for NO;, NH4+ and urea were 0.2 ± 0.04 - 1831.1 ± 779.19, 0.5 ± 0.26 - 1731.6 ± 346.67 and 3.0 ± 0.60 - 2241.2 ± 252.56 ng N μg Chla-1 respectively. Urea concentration (14.8 - 117.7 μg urea-N 1-1) remained relatively constant over the 12 month study period. Measured ambient specific uptake rates for urea represent between 27.5% and 40.4% of total N uptake over the annual period February 1998 -January 1999. Seasonal nitrate uptake over the same period constituted only 11.3% (±10.77%, n=12) to 24.4% (± 13.02%, n=12) with the highest percentage during winter, when nitrate levels are elevated. It is suggested that urea provides a nutrient intermediary over the spring - summer period during transition from autotrophic to heterotrophic dominated communities. Grazing ,and nitrogen recycling are intricately connected by simultaneously providing top-down biomass control and bottom-up nutrient supply. Zooplankton (> 44 μm) grazing has been shown to reduce up to 40% of phytoplankton standing stock at times. Microheterotrophs (<300 pm) can reduce phytoplankton biomass production by up to 100% (potential production grazed, 11.1% day' - 99.6 % day-1) over an annual cycle. This correlated to mean seasonal day-time grazing loss of 80.47 ± 3.5 ngN μg Chla-1 in surface waters and 20.17 ± 9.7 ngN μg Chla-1 at depth (4.5m). Night time grazing for surface and bottom depths resulted in similar nitrogen loss rates (13.03 ± 4.84 ngN μg Chla-1).
Uptake rates for nitrate (r2 0.501) and urea (r2 0.512), doing with temperature (r2 0.605) were shown to have the greatest influence on phytoplankton distribution over depth and time. This research emphasises the need for more detailed investigations into the physiology of nutrient uptake and the effects of nutrient fluxes on phytoplankton biomass and distribution. Further research into the roles of organic nitrogen and pico and nanoplankton in this system is recommended.
Collins, Scott Andrew. "Bottom-Up Controls (Micronutrients and N and P Species) Better Predict Cyanobacterial Abundances in Harmful Algal Blooms Than Top-Down Controls (Grazers)." BYU ScholarsArchive, 2019. https://scholarsarchive.byu.edu/etd/8584.
Повний текст джерелаMarsham, Sara. "The application of a functional group approach to algal-grazer interactions." Thesis, University of Hull, 2007. http://hydra.hull.ac.uk/resources/hull:16058.
Повний текст джерелаMcKenny, Claire. "The Diversity of macroinvertebrate grazers in streams relationships with the productivity and composition of benthic algae /." Click here to access, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060308.131239.
Повний текст джерелаWhittington-Jones, Kevin John. "Ecological interactions on a rocky shore : the control of macroalgal distribution by intertidal grazers." Thesis, Rhodes University, 1998. http://hdl.handle.net/10962/d1005350.
Повний текст джерелаMcKenny, Claire, and n/a. "The Diversity of Macroinvertebrate Grazers in Streams: Relationships With the Productivity and Composition of Benthic Algae." Griffith University. Australian School of Environmental Studies, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20060308.131239.
Повний текст джерелаMcKenny, Claire. "The Diversity of Macroinvertebrate Grazers in Streams: Relationships With the Productivity and Composition of Benthic Algae." Thesis, Griffith University, 2005. http://hdl.handle.net/10072/368092.
Повний текст джерелаThesis (PhD Doctorate)
Doctor of Philosophy (PhD)
Australian School of Environmental Studies
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Книги з теми "Algal Grazers"
Konar, Brenda. Role of grazers on the recolonization of hard-bottom communities in the Alaska Beaufort Sea. [Fairbanks, Alaska]: Coastal Marine Institute, University of Alaska Fairbanks, 2006.
Знайти повний текст джерелаKim, Dohong. Seasonality of marine algae and grazers of an Antarctic rocky intertidal, with emphasis on the role of the limpet Nacella concinna Strebel (Gastropoda:Patellidae). Bremerhaven: Alfred-Wegener-Institut für Polar- und Meeresforschung, 2001.
Знайти повний текст джерелаKirchman, David L. Microbial primary production and phototrophy. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0006.
Повний текст джерелаSheppard, Charles. 5. Microbial and planktonic engines of the reef. Oxford University Press, 2014. http://dx.doi.org/10.1093/actrade/9780199682775.003.0005.
Повний текст джерелаKirchman, David L. The ecology of viruses. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198789406.003.0010.
Повний текст джерелаЧастини книг з теми "Algal Grazers"
Holomuzki, Joseph R., and Barry J. F. Biggs. "Food limitation affects algivory and grazer performance for New Zealand stream macroinvertebrates." In Advances in Algal Biology: A Commemoration of the Work of Rex Lowe, 83–94. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-5070-4_6.
Повний текст джерелаDonato-Rondón, John Ch, Silvia Juliana Morales-Duarte, and María Isabel Castro-Rebolledo. "Effects of eutrophication on the interaction between algae and grazers in an Andean stream." In Global Change and River Ecosystems—Implications for Structure, Function and Ecosystem Services, 159–66. Dordrecht: Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-94-007-0608-8_11.
Повний текст джерелаSteinman, Alan D. "Effects of Grazers on Freshwater Benthic Algae." In Algal Ecology, 341–73. Elsevier, 1996. http://dx.doi.org/10.1016/b978-012668450-6/50041-2.
Повний текст джерела"Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques." In Community Ecology of Stream Fishes: Concepts, Approaches, and Techniques, edited by Keith B. Gido, Katie N. Bertrand, Justin N. Murdock, Walter K. Dodds, and Matt R. Whiles. American Fisheries Society, 2010. http://dx.doi.org/10.47886/9781934874141.ch29.
Повний текст джерела"Effects of Urbanization on Stream Ecosystems." In Effects of Urbanization on Stream Ecosystems, edited by Marina Potapova, James F. Coles, Elise M. P. Giddings, and Humbert Zappia. American Fisheries Society, 2005. http://dx.doi.org/10.47886/9781888569735.ch19.
Повний текст джерелаGaines, Susan M., Geoffrey Eglinton, and Jürgen Rullkötter. "Molecular Informants: A Changing Perspective of Organic Chemistry." In Echoes of Life. Oxford University Press, 2008. http://dx.doi.org/10.1093/oso/9780195176193.003.0007.
Повний текст джерелаLevy, Sharon. "Wild Things." In The Marsh Builders. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190246402.003.0015.
Повний текст джерела"of control. The state of Queensland has generous expertise in this area, with the CSIRO Division of Entomology – Lands Department group in Brisbane boasting spectacular success against Salvinia and Eichhornia, and near the reservoir at James Cook University a USDA unit was involved in successes with the Tennessee Valley Authority (TVA) (see Chapter 12) using a range of stem-boring and leaf-mining insects (Balciunas et al. 1993). One might consider the herbivorous grass carp Ctenopharyngodon idella, originally from China, more as a harvester than a biological control agent. This fish grazes on submerged weeds such as Hydrilla, Myriophyllum, Chara, Potamogeton and Ceratophyllum, and at stocking rates of 75 fish/ha control is rapidly achieved. Some introductions in the USA have resulted in removal of all vegetation (Leslie et al. 1987), and in the Australian context the use of sterile (triploid) fish (Cassani and Canton 1985) could be the only consideration. However, in view of the damage already done by grass carp to some inland waterways in Australia, it is suspected that this option would be greeted with horror. Mechanical control involves the physical removal of weeds from a problem area and is useful in situations where the use of herbicides is not practical or poses risks to human health or the environment. Mobile harvesters sever, lift and carry plants to the shore. Most are intended for harvesting submerged plants, though some have been designed or adapted to harvest floating plants. Handling the harvested weed is a problem because of their enormous water content, therefore choppers are often incorporated into harvesting machinery design. However, many mechanical harvesters have a small capacity and the process of disposing of harvested plant material is time-consuming. Any material that remains may affect water quality during the decay process by depleting the water of oxygen. Furthermore, nutrients released by decay may cause algal blooms (Mitchell 1978). Another disadvantage of mechanical removal is that disturbance often promotes rapid new growth and germination of seed, and encourages the spread of weed by fragmentation. Some direct uses of macrophytes include the following: livestock food; protein extraction; manufacture of yeast; production of alcohol and other by-products; the formation of composts, mulches and fertilizers; and use for methane generation (Williams 1977). Herbicides either kill on contact, or after translocation through the plant. Some are residual and retain their toxicity for a period of time. Where herbicides are used for control of plants, some contamination of the water is inevitable (Bill 1977). The degree of contamination depends on the toxicity of the material, its fate and persistence in the water, the concentration used and the main purpose served by the water. After chemical defoliation of aquatic vegetation, the masses of decaying organic debris produced can interfere with fish production. Several factors must be taken into account when selecting and adapting herbicides for aquatic purposes, including: type of water use; toxicity of the herbicide to humans, fish, stock, and wildlife; rate of disappearance of residues, species affected and duration of control; concentration of herbicide; and cost (Bill 1977). The TVA has successfully used EPA-approved herbicides such as Endothall, Diquat, Fluridone and Komeen against Hydrilla (Burns et al. 1992), and a list of approved." In Water Resources, 153–54. CRC Press, 1998. http://dx.doi.org/10.4324/9780203027851-40.
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