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Artykuły w czasopismach na temat "Plant communities"

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Freitag, Helmut, Valentin B. Golub i Natalya Yuritsyna. "Halophytic plant communities in the northern Caspian lowlands: 1, annual halophytic communities". Phytocoenologia 31, nr 1 (23.03.2001): 63–108. http://dx.doi.org/10.1127/phyto/31/2001/63.

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Norton, Don C. "Plant nematode communities". International Journal for Parasitology 17, nr 1 (luty 1987): 215–22. http://dx.doi.org/10.1016/0020-7519(87)90044-0.

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Dahl, E. "Alpine-subalpine plant communities of South Scandinavia". Phytocoenologia 15, nr 4 (8.12.1987): 455–84. http://dx.doi.org/10.1127/phyto/15/1987/455.

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von Wehrden, Henrik, Karsten Wesche i Georg Miehe. "Plant communities of the southern Mongolian Gobi". Phytocoenologia 39, nr 3 (21.10.2009): 331–76. http://dx.doi.org/10.1127/0340-269x/2009/0039-0331.

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Dobson, Andy. "Plant ecology: Macroparasitism in plant communities". Current Biology 31, nr 6 (marzec 2021): R287—R289. http://dx.doi.org/10.1016/j.cub.2021.01.044.

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Parolly, Gerald. "Phytosociological studies on high mountain plant communities of the South Anatolian Taurus mountains 1. Scree plant communities (Heldreichietea): A synopsis". Phytocoenologia 28, nr 2 (23.06.1998): 233–84. http://dx.doi.org/10.1127/phyto/28/1998/233.

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Rehder, H., E. Beck i J. O. Kokwaro. "The afroalpine plant communities of Mt. Kenya (Kenya)". Phytocoenologia 16, nr 4 (7.12.1988): 433–63. http://dx.doi.org/10.1127/phyto/16/1988/433.

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Bergmeier, Erwin, Maria Konstantinou, Ioannis Tsiripidis i Karlè V. Sýkora. "Plant communities on metalliferous soils in northern Greece". Phytocoenologia 39, nr 4 (30.12.2009): 411–38. http://dx.doi.org/10.1127/0340-269x/2009/0039-0411.

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van Diggelen, R., i R. H. Marrs. "Restoring plant communities – Introduction". Applied Vegetation Science 6, nr 2 (2003): 106. http://dx.doi.org/10.1658/1402-2001(2003)006[0106:rpci]2.0.co;2.

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Etherington, J. R., J. O. Rieley i S. E. Page. "Ecology of Plant Communities." Journal of Ecology 79, nr 1 (marzec 1991): 267. http://dx.doi.org/10.2307/2260804.

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Rozprawy doktorskie na temat "Plant communities"

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Laxton, Emma. "Relationship between leaf traits, insect communities and resource availability". Thesis, Electronic version, 2005. http://hdl.handle.net/1959.14/483.

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Thesis (PhD)--Macquarie University, Division of Environmental and Life Sciences, Dept. of Biological Sciences, 2005.
Bibliography: p. 178-203.
Introduction -- Study sites -- Leaf characteristics and resource availability -- Insect herbivory and resource availability -- Insect communities and resource availability -- Influence of resource availability on recovery from herbivory -- Conclusions.
This project used the resource availability hypothesis (Coley et al., 1985) as a framework for investigating the relationship between resource availability (as defined by soil nutrients), leaf traits, insect herbivore damage and insect community structure. According to the hypothesis, plants from low resource environments should be better-defended, have longer leaf lifespans and slower growth rates than plants from higher resource environments. Higher resource plant species are expected to suffer higher levels of herbivory and recover faster from herbivory than low resource plant species (Coley et al. 1985). A corollary to this hypothesis is that plants from higher resource sites should support greater densities of insect herbivores than low resource species. Comparisons between high and low resource sites were made in terms of: (i) leaf traits of mature and immature leaves; (ii) phenology of leaf maturation; (iii) herbivore damage in the field and laboratory; (iv) diversity and abundance of herbivorous insect fauna; and (v) ability to recover from herbivory.
Mode of access: World Wide Web.
243 p. ill., maps
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Boughton, Elizabeth Hermanson. "Understanding plant community composition in agricultural wetlands context dependent effects and plant interactions /". Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002678.

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Leung, Pui-chi. "Exotic plant invasion of upland plant communities in Hong Kong, China". Click to view the E-thesis via HKUTO, 2005. http://sunzi.lib.hku.hk/hkuto/record/B36632442.

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Berglund, Linda. "Disturbance, nutrient availability and plant growth in phenol-rich plant communities /". Umeå : Dept. of Forest Vegetation Ecology, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s327.pdf.

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Leung, Pui-chi, i 梁佩芝. "Exotic plant invasion of upland plant communities in Hong Kong, China". Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2005. http://hub.hku.hk/bib/B36632442.

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Iglesias, Maria Claudia. "Spacial patterns of the genders in Dioecius plant species". Thesis, McGill University, 1986. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=65458.

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Bush, Catherine Dana. "Native seed mixes for diverse plant communities". Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ28920.pdf.

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Cervantes, Peredo Luis Manuel. "Effects of Hemiptera on successional plant communities". Thesis, Imperial College London, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362367.

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Allan, Caroline Elizabeth. "Nitrogen fixation in riverine wetland plant communities". Thesis, University of Glasgow, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297033.

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Sutton, Julian James. "On the dynamics of annual plant communities". Thesis, University of Liverpool, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.235530.

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Książki na temat "Plant communities"

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S, Rodwell J., Nature Conservancy Council (Great Britain) i Joint Nature Conservation Committee (Great Britain), red. British plant communities. Cambridge [England]: Cambridge University Press, 1991.

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1955-, Smreciu Elizabeth Ann, red. Establishing native plant communities. Edmonton, Alta: Alberta Agriculture, Food and Rural Development, Information Packaging Centre, 2003.

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Eggers, Steve D. Wetland plants and plant communities of Minnesota & Wisconsin. [St. Paul, Minn.?]: US Army Corps of Engineers, St. Paul District, 1988.

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M, Reed Donald, i United States. Army. Corps of Engineers. St. Paul District, red. Wetland plants and plant communities of Minnesota & Wisconsin. St. Paul, Minn.?]: US Army Corps of Engineers, St. Paul District, 1988.

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Eggers, Steve D. Wetland plants and plant communities of Minnesota & Wisconsin. Wyd. 2. [St. Paul, Minn.]: US Army Corps of Engineers, St. Paul District, 1997.

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Eggers, Steve D. Wetland plants and plant communities of Minnesota & Wisconsin. [St. Paul, Minn?]: US Army Corps of Engineers, St. Paul District, 1987.

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Hall, Robichaux Robert, red. Ecology of Sonoran Desert plants and plant communities. Tucson: University of Arizona Press, 1999.

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Neuhäusl, R., H. Dierschke i J. J. Barkman, red. Chorological phenomena in plant communities. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5508-0.

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Taleb, Mohammed Sghir, i Mohamed Fennane. Vascular Plant Communities of Morocco. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-93704-5.

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J, Burdon J., Leather S. R i British Society for Plant Pathology., red. Pests, pathogens, and plant communities. Oxford: Blackwell Scientific, 1990.

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Części książek na temat "Plant communities"

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Campbell, Gaylon S., i John M. Norman. "Plants and Plant Communities". W An Introduction to Environmental Biophysics, 223–46. New York, NY: Springer New York, 1998. http://dx.doi.org/10.1007/978-1-4612-1626-1_14.

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Lack, Andrew, i David Evans. "Plant communities". W Plant Biology, 206–8. Wyd. 2. London: Taylor & Francis, 2021. http://dx.doi.org/10.1201/9780203002902-62.

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Pignatti, Sandro, i Erika Pignatti Wikus. "Plant Communities". W Geobotany Studies, 125–55. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-85329-7_4.

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Casper, S. J., H. D. Krausch i W. Scheffler. "The plant communities". W Lake Stechlin, 129–95. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5506-6_5.

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Pregill, Gregory K. "Plant–Vertebrate Communities". W West Southwest, 65–134. Boca Raton : Taylor & Francis, 2018.: CRC Press, 2018. http://dx.doi.org/10.1201/9781351020060-6.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein i Michael Scherer-Lorenzen. "Spatial Distribution of Plants and Plant Communities". W Plant Ecology, 657–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_18.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein i Michael Scherer-Lorenzen. "Thermal Balance of Plants and Plant Communities". W Plant Ecology, 303–27. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_9.

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"Plants and Plant Communities". W Biotic Feedbacks in the Global Climatic System, redaktorzy George M. Woodwell i Fred T. Mackenzie, 49–50. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195086409.003.0003.

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Abstract A large body of experimental data on the effects of increased concentrations of carbon dioxide on the metabolism of plants supports the assumption that one of the biotic effects of the current changes in the atmosphere will be an acceleraton of carbon fixation through photosynthesis. The assumption has gained further, indirect support through the uncertainty (explained by Woodwell and Mackenzie in Chapters 1 and 2) of defining the current flows of carbon globally among the three major pools of atmosphere, land, and oceans. The least satisfactory quantitative data on global net metabolism on a decadal time scale, and therefore the greatest uncertainty, exist for the terrestrial pools of carbon. The uncertainty is taken as one reason for assuming that additional carbon is being not only fixed on land but also stored there as net ecosystem production.
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"Plant Communities". W Hawaiian Plant Life, 33–48. Honolulu: University of Hawaii Press, 2017. http://dx.doi.org/10.1515/9780824846695-006.

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Huber, Otto, i Valentí Rull. "Plant communities". W Biodiversity of Pantepui, 149–64. Elsevier, 2019. http://dx.doi.org/10.1016/b978-0-12-815591-2.00007-0.

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Streszczenia konferencji na temat "Plant communities"

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Yatawatta, Y. J. M., i P. Sridarran. "Facilities manager’s involvement for establishing desalination plants". W Empower communities. Faculty of Architecture Research Unit, 2023. http://dx.doi.org/10.31705/faru.2023.20.

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This abstract presents findings from a mixed-methods study examining the integral role of Facilities Managers (FMs) in the establishment of desalination plants. Qualitative data was gathered from experts directly involved in establishing desalination plants. while quantitative data were gathered from FMs overseeing water treatment facilities. Non-probability sampling was used, with thirty-six questionnaires distributed. Through the literature, identified eight stages in desalination plant development: planning, design, tendering, construction, operation and maintenance, testing and commissioning, handover, and demolition. To assess the significance of FM roles, the Relative Importance Index (RII) was applied. Key findings related to the FM role are, risk assessment being crucial in the planning stage, contract document preparation in the design phase, and evaluating tender submissions during tendering. Resource allocation took precedence in construction, while maintenance schedule preparation was paramount during operation and maintenance. In the testing and commissioning phase, ensuring proper design, installation, testing, operation, and maintenance was critical. During handover, overseeing project documents was vital, and contributing to demolition decisions was crucial in the demolition stage. These results underscore the essential role of FMs throughout desalination plant projects. They offer insights for organizations and industry professionals, facilitating a better understanding of FM responsibilities at each stage and improving overall project management.
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Cepeda, Joseph C., i Pamela S. Allison. "Plant communities and geologically significant plants of the Four Corners area". W 48th Annual Fall Field Conference. New Mexico Geological Society, 1997. http://dx.doi.org/10.56577/ffc-48.283.

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Clore, Amy. "Divergence of Bacterial Endophyte Communities Within Differentiating Tissues of Brassica oleracea var. botrytis L." W ASPB PLANT BIOLOGY 2020. USA: ASPB, 2020. http://dx.doi.org/10.46678/pb.20.171218.

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Kudryavtsev, Alexei Yuvenal'yevich. "ASPECTS OF PLANT COMMUNITIES OF THE VOLGA STEPPE". W ФЕНОЛОГИЯ: СОВРЕМЕННОЕ СОСТОЯНИЕ И ПЕРСПЕКТИВЫ РАЗВИТИЯ. Екатеринбург: Б. и., 2020. http://dx.doi.org/10.26170/kf-2020-05.

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Kondrat'eva, Anastasiya. "THE PLACE OF QUERCUS ROBUR L. IN THE DYNAMICAL PROCESSES IN THE OAK FORESTS OF FOREST-STEPPE ZONE". W Modern problems of animal and plant ecology. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2021. http://dx.doi.org/10.34220/mpeapw2021_33-36.

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A new view of the position of oak in the successional processes of oak forests of the forest-steppe is presented, based on the population strategy of this species and the peculiarities of the conditions for the development of pregenerative stages. The preferable conditions for natural regeneration of oak in forest communities and their relationship with the dynamics of deciduous communities of the forest-steppe are analyzed.
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Damgaard, Christian. "Invited Talk: Modelling Asymmetric Growth in Crowded Plant Communities". W 2009 Third International Symposium on Plant Growth Modeling, Simulation, Visualization and Applications (PMA). IEEE, 2009. http://dx.doi.org/10.1109/pma.2009.76.

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Lazaroiu, George Cristian, Lacramioara Diana Robescu, Virgil Dumbrava i Mariacristina Roscia. "Optimizing wastewater treatment plant operation in positive energy communities". W 2020 IEEE International Conference on Environment and Electrical Engineering and 2020 IEEE Industrial and Commercial Power Systems Europe (EEEIC / I&CPS Europe). IEEE, 2020. http://dx.doi.org/10.1109/eeeic/icpseurope49358.2020.9160515.

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Szczepaniec, Ada. "Neonicotinoid insecticides alter plant defenses and drive changes in arthropod communities in crop plants". W 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.106186.

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Krylenko, Sergey, i Sergey Krylenko. "CHARACTERISTICS OF THE CLIFF PLANT COMMUNITIES OF THE TUAPKHAT MASSIF". W Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b947c2491c5.29725059.

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Preservation of biological diversity is necessary for sustainable development and rational use of coastal resources. In this paper structure of the cliff plant communities of the massif Tuapkhat (the Black Sea coast, Russia) are characterized. Flora of this coastal zone combines features of Mediterranean and middle European Russia types. Herbaceous and shrub life-forms and xeromorphous and petrophilous plant associations dominate at the studied area. The main factor determining the species composition of the examined communities is substrate character.
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Krylenko, Sergey, i Sergey Krylenko. "CHARACTERISTICS OF THE CLIFF PLANT COMMUNITIES OF THE TUAPKHAT MASSIF". W Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4316e19929.

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Preservation of biological diversity is necessary for sustainable development and rational use of coastal resources. In this paper structure of the cliff plant communities of the massif Tuapkhat (the Black Sea coast, Russia) are characterized. Flora of this coastal zone combines features of Mediterranean and middle European Russia types. Herbaceous and shrub life-forms and xeromorphous and petrophilous plant associations dominate at the studied area. The main factor determining the species composition of the examined communities is substrate character.
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Raporty organizacyjne na temat "Plant communities"

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Crowley, David E., Dror Minz i Yitzhak Hadar. Shaping Plant Beneficial Rhizosphere Communities. United States Department of Agriculture, lipiec 2013. http://dx.doi.org/10.32747/2013.7594387.bard.

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PGPR bacteria include taxonomically diverse bacterial species that function for improving plant mineral nutrition, stress tolerance, and disease suppression. A number of PGPR are being developed and commercialized as soil and seed inoculants, but to date, their interactions with resident bacterial populations are still poorly understood, and-almost nothing is known about the effects of soil management practices on their population size and activities. To this end, the original objectives of this research project were: 1) To examine microbial community interactions with plant-growth-promoting rhizobacteria (PGPR) and their plant hosts. 2) To explore the factors that affect PGPR population size and activity on plant root surfaces. In our original proposal, we initially prqposed the use oflow-resolution methods mainly involving the use of PCR-DGGE and PLFA profiles of community structure. However, early in the project we recognized that the methods for studying soil microbial communities were undergoing an exponential leap forward to much more high resolution methods using high-throughput sequencing. The application of these methods for studies on rhizosphere ecology thus became a central theme in these research project. Other related research by the US team focused on identifying PGPR bacterial strains and examining their effective population si~es that are required to enhance plant growth and on developing a simulation model that examines the process of root colonization. As summarized in the following report, we characterized the rhizosphere microbiome of four host plant species to determine the impact of the host (host signature effect) on resident versus active communities. Results of our studies showed a distinct plant host specific signature among wheat, maize, tomato and cucumber, based on the following three parameters: (I) each plant promoted the activity of a unique suite of soil bacterial populations; (2) significant variations were observed in the number and the degree of dominance of active populations; and (3)the level of contribution of active (rRNA-based) populations to the resident (DNA-based) community profiles. In the rhizoplane of all four plants a significant reduction of diversity was observed, relative to the bulk soil. Moreover, an increase in DNA-RNA correspondence indicated higher representation of active bacterial populations in the residing rhizoplane community. This research demonstrates that the host plant determines the bacterial community composition in its immediate vicinity, especially with respect to the active populations. Based on the studies from the US team, we suggest that the effective population size PGPR should be maintained at approximately 105 cells per gram of rhizosphere soil in the zone of elongation to obtain plant growth promotion effects, but emphasize that it is critical to also consider differences in the activity based on DNA-RNA correspondence. The results ofthis research provide fundamental new insight into the composition ofthe bacterial communities associated with plant roots, and the factors that affect their abundance and activity on root surfaces. Virtually all PGPR are multifunctional and may be expected to have diverse levels of activity with respect to production of plant growth hormones (regulation of root growth and architecture), suppression of stress ethylene (increased tolerance to drought and salinity), production of siderophores and antibiotics (disease suppression), and solubilization of phosphorus. The application of transcriptome methods pioneered in our research will ultimately lead to better understanding of how management practices such as use of compost and soil inoculants can be used to improve plant yields, stress tolerance, and disease resistance. As we look to the future, the use of metagenomic techniques combined with quantitative methods including microarrays, and quantitative peR methods that target specific genes should allow us to better classify, monitor, and manage the plant rhizosphere to improve crop yields in agricultural ecosystems. In addition, expression of several genes in rhizospheres of both cucumber and whet roots were identified, including mostly housekeeping genes. Denitrification, chemotaxis and motility genes were preferentially expressed in wheat while in cucumber roots bacterial genes involved in catalase, a large set of polysaccharide degradation and assimilatory sulfate reduction genes were preferentially expressed.
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Fredrickson, Herbert, John Furey, David Price, Chris Foote i Margaret Richmond. Root Zone Microbial Communities and Restoration of Plant Communities in Owens Valley, California - Phase 1. Fort Belvoir, VA: Defense Technical Information Center, wrzesień 2007. http://dx.doi.org/10.21236/ada472131.

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Edlund, S. A. The distribution of plant communities on Melville Island, Arctic Canada. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1994. http://dx.doi.org/10.4095/194026.

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Michel Jr., Frederick C., Harry A. J. Hoitink, Yitzhak Hadar i Dror Minz. Microbial Communities Active in Soil-Induced Systemic Plant Disease Resistance. United States Department of Agriculture, styczeń 2005. http://dx.doi.org/10.32747/2005.7586476.bard.

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Induced Systemic Resistance (ISR) is a highly variable property that can be induced by compost amendment of potting media and soils. For example, previous studies showed that only 1 of 79 potting mixes prepared with different batches of mature composts produced from several different types of solid wastes were able to suppress the severity of bacterial leaf spot of radish caused by Xanthomonas campestris pv. armoraciae compared with disease on plants produced in a nonamended sphagnum peat mix. In this project, microbial consortia in the rhizosphere of plants grown in ISR-active compost-amended substrates were characterized. The plants used included primarily cucumber but also tomato and radish. Rhizosphere microbial consortia were characterized using multiple molecular tools including DGGE (Israel) and T -RFLP (Ohio) in both ISR-active field plots and potting media. Universal as well as population-specific bacterial and fungal PCR primers were utilized. T -RFLP analyses using universal bacterial primers showed few significant differences in overall bacterial community composition in ISR-active and inactive substrates (Ohio). In addition, the community members which were significantly different varied when different ISR-activecomposts were used (Ohio). To better characterize the shifts in microbial community structure during the development of ISR, population specific molecular tools were developed (Israel, Ohio).-PCR primers were designed to detect and quantify bacterial groups including Pyrenomycetes, Bacillus, Pan toea, Pseudomonas, Xanthomonas and Streptomyces as well as Trichoderma and Fusarium; two groups of fungi that harbor isolates which are ISR active (Isreal and Ohio). Bacterial consortia associated with cucumber plants grown in compost-amended potting mixtures were shown to be dominated by the phylogenetic taxon Bacteroidetes, including members of the genus Chryseobacterium, which in some cases have been shown to be involved in biocontrol (Israel). Nested-PCR-DGGE analyses coupled with long l6S rDNA sequencing, demonstrated that the Chryseobacteriumspp. detected on seed and the root in compost-amended treatments were derived from the compost itself. The most effective ISR inducing rhizobacterial strains were identified as Bacillus sp. based on partial sequencing of l6S rDNA. However, these strains were significantly less effective in reducing the severity of disease than Trichoderma hamatum382 (T382). A procedure was developed for inoculation of a compost-amended substrate with T -382 which consistently induced ISR in cucumber against Phytophthora blight caused by Phytophthora capsiciand in radish against bacterial spot (Ohio). Inoculation of compost-amended potting mixes with biocontrol agents such as T -382 and other microbes that induce systemic resistance in plants significantly increased the frequency of systemic disease control obtained with natural compost amendments.
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Milchunas, Daniel G. Responses of plant communities to grazing in the southwestern United States. Ft. Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station, 2006. http://dx.doi.org/10.2737/rmrs-gtr-169.

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Isbell, Forest I., i Brian J. Wilsey. Quantifying Species Interactions in Experimental Native vs. Exotic Grassland Plant Communities. Ames: Iowa State University, Digital Repository, 2010. http://dx.doi.org/10.31274/farmprogressreports-180814-106.

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Emrick, Verl, i Alison Hill. Classification of Great Basin Plant Communities Occurring on Dugway Proving Ground, Utah. Fort Belvoir, VA: Defense Technical Information Center, marzec 1999. http://dx.doi.org/10.21236/ada360939.

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Trame, Ann-Marie, i Mary Harper. Potential Military Effects on Selected Plant Communities in the Southeastern United States. Fort Belvoir, VA: Defense Technical Information Center, lipiec 1997. http://dx.doi.org/10.21236/ada329276.

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Rentch, James S., i James Thomas Anderson. A Floristic quality index for West Virginian wetland and riparian plant communities. West Virginia University Agricultural Experiment Station, styczeń 2006. http://dx.doi.org/10.33915/agnic.621.

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Rentch, James S., i James Thomas Anderson. A Floristic quality index for West Virginian wetland and riparian plant communities. West Virginia University Agricultural Experiment Station, styczeń 2006. http://dx.doi.org/10.33915/agnic.730.

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