Relevant bibliographies by topics / Grazing resistance

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Grazing resistance'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Grazing resistance"

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Lürling, Miquel. "Grazing resistance in phytoplankton." Hydrobiologia 848, no. 1 (August 11, 2020): 237–49. http://dx.doi.org/10.1007/s10750-020-04370-3.

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AbstractPhytoplankton is confronted with a variable assemblage of zooplankton grazers that create a strong selection pressure for traits that reduce mortality. Phytoplankton is, however, also challenged to remain suspended and to acquire sufficient resources for growth. Consequently, phytoplanktic organisms have evolved a variety of strategies to survive in a variable environment. An overview is presented of the various phytoplankton defense strategies, and costs and benefits of phytoplankton defenses with a zooming in on grazer-induced colony formation. The trade-off between phytoplankton com
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Moore, Peter D. "Evolutionary ecology: Toxins and grazing resistance." Nature 324, no. 6096 (December 1986): 410. http://dx.doi.org/10.1038/324410a0.

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van Donk, Ellen, and Dag O. Hessen. "Grazing resistance in nutrient-stressed phytoplankton." Oecologia 93, no. 4 (April 1993): 508–11. http://dx.doi.org/10.1007/bf00328958.

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Benot, Marie-Lise, Cendrine Mony, Jan Lepš, Laurent Penet, and Anne Bonis. "Are clonal traits and their response to defoliation good predictors of grazing resistance?" Botany 91, no. 2 (February 2013): 62–68. http://dx.doi.org/10.1139/cjb-2012-0100.

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Grazing resistance in plants, which can be defined as the ability to grow and reproduce under grazed conditions, is either associated to defoliation avoidance or tolerance. Clonal traits are often neglected when studying functional responses to grazing, despite frequent occurrence in grassland vegetation. We investigated whether clonal traits and response to defoliation were associated to increased grazing resistance. First, grazing resistance was estimated for eight clonal species using abundance patterns in a long-term field study. We then analysed its correlation with traits in undisturbed
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Liebig, M. A., J. R. Hendrickson, J. D. Berdahl, and J. F. Karn. "Soil resistance under grazed intermediate wheatgrass." Canadian Journal of Soil Science 88, no. 5 (November 1, 2008): 833–36. http://dx.doi.org/10.4141/cjss08016.

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Intermediate wheatgrass [Thinopyrum intermedium (Host) Barkw. & D.R. Dewey subsp. intermedium] is a productive, high-quality perennial forage that lacks persistence under grazing. A study was conducted to evaluate the effects of three grazing times on soil bulk density, soil pH, and soil organic C under intermediate wheatgrass. Treatment effects on the three soil attributes were negligible, implying grazing time did not negatively impact intermediate wheatgrass beyond a threshold whereby critical soil functions were impaired. Findings from this study are important in the context of sustain
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NAETH, M. A., D. J. PLUTH, D. S. CHANASYK, A. W. BAILEY, and A. W. FEDKENHEUER. "SOIL COMPACTING IMPACTS OF GRAZING IN MIXED PRAIRIE AND FESCUE GRASSLAND ECOSYSTEMS OF ALBERTA." Canadian Journal of Soil Science 70, no. 2 (May 1, 1990): 157–67. http://dx.doi.org/10.4141/cjss90-018.

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The impacts of long-term grazing on compaction were assessed in mixed prairie and fescue grassland ecosystems of Alberta. Grazing regimes were of light to very heavy intensities, grazed early, late, and continuously during the growing season. Bulk density was measured with a surface moisture/density gauge and a combination moisture/density probe to 65 cm. Penetration resistance to 30 cm was measured with a cone penetrometer. Solonetzic soils were less sensitive to compaction under grazing than Chernozemic soils. Heavy intensity and/or early season grazing had greater impacts on compaction than
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Tarao, Mitsunori, Jan Jezbera, and Martin W. Hahn. "Involvement of Cell Surface Structures in Size-Independent Grazing Resistance of Freshwater Actinobacteria." Applied and Environmental Microbiology 75, no. 14 (June 5, 2009): 4720–26. http://dx.doi.org/10.1128/aem.00251-09.

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ABSTRACT We compared the influences of grazing by the bacterivorous nanoflagellate Poterioochromonas sp. strain DS on ultramicrobacterial Actinobacteria affiliated with the Luna-2 cluster and ultramicrobacterial Betaproteobacteria of the species Polynucleobacter cosmopolitanus. These bacteria were almost identical in size (<0.1 μm3) and shape. Predation on a Polynucleobacter strain resulted in a reduction of >86% relative to the initial bacterial cell numbers within 20 days, while in comparable predation experiments with nine actinobacterial strains, no significant decrease of cell numbe
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Rodd, A. V., Y. A. Papadopoulos, L. F. Laflamme, K. B. McRae, S. A. E. Fillmore, and R. W. Wilson. "Effect of rotational grazing on selected physical properties of a Gleyed Brunisolic Gray Luvisol loam in Nova Scotia." Canadian Journal of Soil Science 79, no. 1 (February 1, 1999): 117–25. http://dx.doi.org/10.4141/s97-094.

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Low organic matter content and weak soil structure, combined with high annual precipitation, make the soils of the Maritime Provinces extremely susceptible to compaction. Although many pasture studies have been conducted in the Maritime Provinces, none has investigated the impact of pasturing cattle on soil physical properties. Soil properties such as resistance to penetration, bulk density and hydraulic conductivity were monitored on pasture swards receiving various rotational-grazing intensities. These parameters were measured concomitantly on traffic-free areas that had been harvested as co
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Chanasyk, David S., and M. Anne Naeth. "Grazing impacts on bulk density and soil strength in the foothills fescue grasslands of Alberta, Canada." Canadian Journal of Soil Science 75, no. 4 (November 1, 1995): 551–57. http://dx.doi.org/10.4141/cjss95-078.

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Alberta foothills fescue grasslands are very productive ecosystems but there is concern that the traditional season-long (continuous) grazing regimes may be leading to soil deterioration due to compaction and increased soil strength. The objectives of this study were to quantify grazing effects on soil bulk density and soil strength of sloped areas in the Alberta foothills fescue grasslands at the Agriculture Canada Stavely Range Substation. The effects of two grazing intensities (heavy and very heavy) for two treatments (short duration and continuous) on these two parameters were compared to
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Kornele, Michelle L., Melanie J. McLean, Anna E. O'Brien, and Aimée M. Phillippi-Taylor. "Antiparasitic resistance and grazing livestock in the United States." Journal of the American Veterinary Medical Association 244, no. 9 (May 2014): 1020–22. http://dx.doi.org/10.2460/javma.244.9.1020.

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Dissertations / Theses on the topic "Grazing resistance"

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Moreno, Ana Maria Biotechnology &amp Biomolecular Sciences Faculty of Science UNSW. "Understanding bacteria-protozoa interactions: from grazing resistance mechanisms to carbon flow in bacteria-protozoa food webs." Publisher:University of New South Wales. Biotechnology & Biomolecular Sciences, 2008. http://handle.unsw.edu.au/1959.4/41446.

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Bacteria-protozoa interactions are one of the oldest between prokaryotic and eukaryotic organisms. As such, their study offers a unique opportunity to understand the different relationships that have evolved between them, including pathogenesis, and how their interaction can affect some important processes, such as wastewater treatment. In the first part of the work described here, the grazing defence mechanisms employed by Pseudomonas aeruginosa against the surface grazer, Acanthamoeba castellanii, were investigated. P. aeruginosa cells from early logarithmic growth and stationary phase were
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VanderWeide, Benjamin Lee. "Grazing and drought in tallgrass prairie: the role of belowground bud banks in vegetation dynamics." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/16622.

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Doctor of Philosophy<br>Department of Biology<br>David C. Hartnett<br>Grazing and drought are instrumental in the development and maintenance of perennial grasslands. In this research I tested the belowground bud bank contribution to tallgrass prairie resistance and resilience when perturbed by grazing and drought. First, I tested the bud bank role in vegetation response to and recovery from severe drought (Chapter 2). I compared above- and belowground responses of experimentally droughted plots to ambient controls and irrigated plots during two years of severe drought and two years of recover
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Higuchi, Mikito. "Studies on the Improvement of Japanese Shorthorn Calves for Grazing Adaptability Using Crossbreeds with Reference to Resistance to Bovine Theileriosis." Kyoto University, 2004. http://hdl.handle.net/2433/147777.

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Hatfield, Kevin Dean. ""We were not tramp sheepmen" : resistance and identity in the Oregon Basque community, accustomed range rights, and the Taylor Grazing Act, 1890-1955 /." view abstract or download file of text, 2003. http://wwwlib.umi.com/cr/uoregon/fullcit?p3095251.

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Thesis (Ph. D.)--University of Oregon, 2003.<br>Typescript. Includes vita and abstract. Includes bibliographical references (leaves 459-492). Also available for download via the World Wide Web; free to University of Oregon users.
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Joner, Fernando. "Redundância funcional em comunidades campestres." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15810.

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Os campos do Rio Grande do Sul apresentam grande biodiversidade, beleza cênica e um importante recurso para a economia do estado, cuja principal atividade é a pecuária. O manejo inadequado do campo traz conseqüências graves para a diversidade e sustentabilidade desse ecossistema através da perda de espécies promovida pelo pastejo excessivo. Entretanto, algumas espécies desempenham as mesmas funções nos ecossistemas, logo a perda de algumas espécies pode não afetar o seu funcionamento, pela compensação de outras espécies do mesmo grupo funcional. Esta redundância funcional aumentaria a confiabi
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Qiu, Chui-Zhang, and 邱垂章. "Grazing Incidence Small-Angle X-ray Scattering Study the Particle Size and Resistance of Mo Ion Implantation on Si(100) Wafer After Annealing." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/17776763125026953451.

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碩士<br>國立清華大學<br>工程與系統科學系<br>90<br>Grazing incidence small angle X-ray scattering (GISAXS) and X-ray diffraction technique were used to probe the particle size and distribution of MoSi2 in a Mo ion implanted Si(100) wafer under 800 ºC after different annealing time. The sheet resistance of the sample decreases at beginning of annealing due to the recovery of defects and then increases due to the growth of larger and separated particles. The particle size of MoSi2 grows linearly proportional to the annealing time is due to interfacial reaction controlled growth kinetics.
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Books on the topic "Grazing resistance"

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Toth, Gunilla B. Inducible chemical responses and herbivore resistance in seaweeds. Göteborg: Inst. för Marin Ekologi, Göteborgs Universitet, 2002.

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Food and Agriculture Organization of the United Nations., Kongelige Veterinær- og landbohøjskole (Denmark). Center for eksperimentel parasitologi., and Workshop on Biological Control of Gastro-intestinal Nematodes of Ruminants Using Predacious Fungi (1997 : Ipoh, Perak), eds. Biological control of gastro-intestinal nematodes of ruminants using predacious fungi: Proceedings of a workshop. Rome: Food and Agriculture Organization of the United Nations, 1998.

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Horne, Paul, and Jessica Page. Integrated Pest Management for Crops and Pastures. CSIRO Publishing, 2008. http://dx.doi.org/10.1071/9780643095625.

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Integrated Pest Management for Crops and Pastures describes in straightforward language what is required for farmers to successfully implement Integrated Pest Management (IPM) in cropping and grazing operations. It explains the differences between conventional pesticide-based controls and IPM, and demonstrates the advantages of IPM. &#x0D; Effective control of pests depends on a number of approaches, not just chemical or genetic engineering. The opening chapters cover the different approaches to pest management, and the importance of identification and monitoring of pests and beneficials. Most
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Book chapters on the topic "Grazing resistance"

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Felton, G. W., J. L. Bi, M. C. Mathews, J. B. Murphy, K. Korth, S. V. Wesley, C. Lamb, and R. A. Dixon. "Cross-Talk Between the Signal Pathways for Pathogen-Induced Systemic Acquired Resistance and Grazing-Induced Insect Resistance." In Novartis Foundation Symposium 223 - Insect-Plant Interactions and Induced Plant Defence, 166–74. Chichester, UK: John Wiley & Sons, Ltd., 2007. http://dx.doi.org/10.1002/9780470515679.ch11.

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Ungru, J., M. Blüher, M. Coenen, J. Raila, D. Vermeulen, R. Boston, and I. Vervuert. "Effects of body weight restriction on blood and adipose tissue adipokines and macrophage activation in obese and insulin-resistant ponies." In Forages and grazing in horse nutrition, 499–502. Wageningen: Wageningen Academic Publishers, 2012. http://dx.doi.org/10.3920/978-90-8686-755-4_68.

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Cogolati, Samuel, and Jan Wouters. "Commons, Global (Economic) Governance, and Democracy: Which Way Forward for International Law?" In The Protection of General Interests in Contemporary International Law, 68–88. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192846501.003.0004.

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Millions of people have been depending on commons such as forests, pastures, grazing lands, and fisheries to meet their basic needs for centuries. Because these commons are often left unrecognized, they face the threat of enclosure, which risks depriving peoples in the Global South from their most basic access to essential resources. Legal scholars are therefore called upon to rethink the prevailing system of global governance. Very little has been said about the role that international law could play in the empowerment of communities in the self-management of their resources and in the resistance against enclosure. It remains unclear to what extent international law can require states to recognize the commons as a democratic practice of its own and protect marginalized populations from enclosure and dispossession. This chapter asks the question as to whether international law can be rethought as part of the solution in saving the commons from enclosure.
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Campbell, Ian. "The Trigger." In The Addis Ababa Massacre, 49–58. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190674724.003.0003.

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Using Italian and Ethiopian sources, the author describes the attempt by members of the urban resistance on the life of Viceroy Rodolfo Graziani at the Gennete Liul Palace on Friday 19th February 1937. Grenades thrown at Graziani and his entourage injured him and resulted in his evacuation to hospital. Meanwhile Italian military and civilians attacked and eventually slaughtered the crowd of 3,000 Ethiopians in the palace courtyard.
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Campbell, Ian. "Epilogue." In The Addis Ababa Massacre, 355–78. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190674724.003.0014.

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The Epilogue summarizes the demise of Mussolini, the fate of the Blackshirts, and the subsequent careers of the key Fascists including Rodolfo Graziani and Guido Cortese. The lives of the major Ethiopian eye-witnesses are recounted, and the recent upsurge of Fascist sympathy in Italy is noted, particularly in terms of a resurgence of interest in Graziani as an Italian war hero, which has been countered in Ethiopia by protests by former resistance fighters and their families.
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Marjanić, Suzana. "Labin ili izvedba undergrounda kao jedan od modusa otpora izolaciji/periferiji." In Periferno u hrvatskom jeziku, kulturi i društvu / Peryferie w języku chorwackim, kulturze i społeczeństwie, 485–97. University of Silesia Press, 2021. http://dx.doi.org/10.31261/pn.4038.28.

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Using the example of the town of Labin in Istria, I demonstrate how isolation, the so-called periphery, can also serve as an expression of resistance in a cultural niche. The collective Labin Art Express (L.A.E., initiated by Dean Zahtila, late Krešimir Farkaš, Graziano Kršić) is the initiator of the fundamental L.A.E. project Underground City XXI ‒ independent underground Labin cultural city as an alternative to the existing above-ground, heteronomous Labin, i.e. the creation of a real city 150 m below the earth’s surface ‒ in underground halls and tunnels, carved in solid rock, connecting Labin, Raša, Plomin and Rabac, with streets, bars, galleries, swimming pools, playgrounds for children, shops, restaurants, the Museum of Mining and Industry of Istria. Thereby we can compare Labin in terms of urbanity and anthropology with the town of Katowice, which in 2018 was selected to host the most significant UN Climate Change Conference, following the 2015 Paris Agreement. Katowice were chosen as one of Europe’s most polluted sites due to the exploitation of coal i.e. the transition of the aforementioned town from a mining and industrial site to a modern industrial, economical, technological and cultural centre.
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Lorbiecki, Marybeth. "The Farmer as Conservationist … and Restorationist." In A Fierce Green Fire. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780199965038.003.0026.

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The farm lies about two hours away from the Shack but only historic inches away in concept. In the Driftless region of southwest Wisconsin, it bears upon it some of the beautiful contoured crop swirls of Coon Valley, telltale marks of Leopold’s influence. New Forest Farm, started by Mark and Jen Shepard, is restoration agriculture in action. The farm asks the land to do what it is tailored by nature to do best and then trains it artfully, holistically, and prodigiously for personal, natural, and commercial use. From the sky, it looks like a child’s fingerpainting in green, with curlycues and waves of varying shades, dotted with treetop spheres, winding around ridges and swells. Lovely, biologically diverse, and drought resistant. It has pocket ponds with connective rain-irrigation swales cut into the contours following gradual lines of gravity to disperse captured moisture into the roots and soil for storage. In the face of the worst drought since 1933, this farm stood out lush and lively, though the chestnuts, hazelnuts, and fruit trees produced a reduced harvest, saving their energies for survival. On the spring day we visited, three new shaggy, fawn-colored Highland cattle had just arrived—a mother, son, and calf—along with some new solar-powered electric fencing for pasturing paddocks. “The animals get to know the whole thing,” says Peter Allen, the land manager in his early thirties who expounds on the sequential grazing of the cattle, pigs, sheep, chickens, and turkeys. “They stay for a day in the paddock, and they’re ready to move on to the next when we open the gates.” A PhD student from UW-Madison’s Nelson Institute for Environmental Studies, Allen is applying precepts of wildlife and land ecology to the emerging field of restoration agriculture. He’s also a warm host and knowledgeable tour guide, handing out exciting details like the intoxicating cider made here.
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Tinker, Peter B., and Peter Nye. "Microbiological Modification of the Rhizosphere." In Solute Movement in the Rhizosphere. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195124927.003.0012.

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The general questions of root/shoot ratio, allocation of carbon to the root system, and root system dynamics are discussed in chapter 9, and the detailed root structure in chapter 5. Root-derived carbon forms the substrate for rhizosphere and symbiotic organisms, and hence leads to the increase in their population densities close to or in the root. Some of the carbon compounds from the root have specific chemical effects also (see chapter 7). Both quantity and composition of these materials need to be known if their effects are to be understood, and we discuss this subject here. The terminology of these materials is rather confused. The collective name for the injection of plant-derived carbon into the soil around living roots is ‘rhizodeposition’, but this has been used in different ways; for example, it may include root-respired carbon dioxide (Whipps 1990), but Darrah (1996) excludes carbon dioxide. The various forms include (Rovira et al. 1979; Lambers 1987; Whipps 1990) solid tissues lost from the root during growth; mucigel and debris from root surfaces and root cap; low-molecular-weight organic compounds in solution; carbon dioxide produced by root respiration for maintenance and for growth; faunal grazing of root tissues; and carbon transferred into symbionts, such as mycorrhizas and rhizobia. Some authors subdivide certain of these classes further. ‘Rhizodeposition’ is loss from a functioning root, but over a longer period the death and decomposition of whole roots deposits large quantities of carbon into the soil, which continues to act as a more resistant microbial substrate (see chapter 9). All of these materials ultimately are converted to carbon dioxide (except for material formed into stable soil organic matter) and this is difficult to separate from carbon dioxide produced directly by root respiration. The main issue here is how the various forms of deposition alter the ability of the living root system to absorb nutrients. We use the following terms for clarity, and because they relate to the practical means whereby these materials are quantified. As the rhizosphere situation is very dynamic, the results obtained will depend upon the timescale considered. (a) Exudates: soluble low-molecular-weight material that comes directly from the living root (microbial metabolites may be similar, but are excluded).
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Peters, Debra P. C., and William H. Schlesinger. "Future Directions in Jornada Research: Applying an Interactive Landscape Model to Solve Problems." In Structure and Function of a Chihuahuan Desert Ecosystem. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195117769.003.0022.

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The long history of research at the Jornada Basin (through the Agricultural Research Service [ARS] since 1912, New Mexico State University in the late 1920s, and joined by the Long-Term Ecological Research [LTER] program in 1981) has provided a wealth of information on the dynamics of arid and semiarid ecosystems. However, gaps in our knowledge still remain. One of the most perplexing issues is the variation in ecosystem dynamics across landscapes. In this concluding chapter to this volume, we propose a new conceptual model of arid and semiarid landscapes that focuses explicitly on the processes and properties that generate spatial variation in ecosystem dynamics. We also describe how our framework leads to future research directions. Many studies have documented variable rates and patterns of shrub invasion at the Jornada as well as at other semiarid and arid regions of the world, including the Western United States, northern Mexico, southern Africa, South America, New Zealand, Australia, and China (York and Dick-Peddie 1969; Grover and Musick 1990; McPherson 1997; Scholes and Archer 1997; see also chapter 10). In some cases, shrub invasion occurred very rapidly: At the Jornada, areas dominated by perennial grasses decreased from 25% to &lt; 7% from 1915 to 1998 with most of this conversion occurring prior to 1950 (Gibbens et al. 2005; Yao et al. 2002a). In other cases, shrub invasion occurred slowly, and sites were very resistant to invasion; for example, perennial grasses still dominate on 12 out of 57 research quadrats originally established in black grama (Bouteloua eropoda) grasslands in the early twentieth century (Yao et al. 2002b). Soil texture, grazing history, and precipitation patterns are insufficient to account for this variation in grass persistence through time (Yao et al. 2002a). It is equally perplexing that although many attempts to remediate these shrublands back to perennial grasses have led to failure, some methods worked well, albeit with long (&gt; 50 year) time lags (Rango et al. 2002; see also chapter 14). Although variations in vegetation dynamics and shrub invasion are the most well known, other lesser known aspects of arid and semiarid systems have been found to be quite variable as well.
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Conference papers on the topic "Grazing resistance"

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VALÁŠEK, Petr, Miroslav MÜLLER, and Michaela JAMELSKÁ. "THE INFLUENCE BREEDING ON THE MECHANICAL PROPERTIES OF THE HOOF HORN IN CZECH WARMBLOOD HORSES." In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.003.

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The aim of this experiment was to compare the mechanical properties of the hoof horn of horses, mainly Czech warmblood, in relation to their stabling conditions – explicitly, grazing farming (pasture) with deep bedding stables. The sampling of the hoof horn was always made after a change of the horse´s stabling method. This paper assesses the changes in some mechanical properties of the hoof as a result of changes in their stabling environment. Moreover, the hardness, the wear resistance and the impact resistance of the hoof horn was evaluated. The results of the experiment showed a statistica
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Telesnina, V. M. "Dynamic of vegetation composition and structure due to post-agrogenic succession (Kostroma region)." In Problems of studying the vegetation cover of Siberia. TSU Press, 2020. http://dx.doi.org/10.17223/978-5-94621-927-3-2020-37.

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The rate and direction of the post-agrogenic succession are determined by the features of agricultural land development in the past. After intensive application of organic fertilizers, as well as cattle grazing, the restoration of woody vegetation slows down, as well as the rate of appearance of forest species resistant to acidic conditions and low enrichment in nutrient elements in the grass. With the intensive application of organic fertilizers, nitrophilic herbal phytocenoses with low floristic diversity exist for a long time. Prolonged haying causes a reduction in the weed-ruderal stage wh
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