Bibliografie tematiche / Plant ecology

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Letteratura scientifica selezionata sul tema "Plant ecology"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 30 luglio 2024

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Articoli di riviste sul tema "Plant ecology"

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Olff, H., e M. J. Crawley. "Plant Ecology." Journal of Applied Ecology 34, n. 5 (ottobre 1997): 1320. http://dx.doi.org/10.2307/2405241.

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Gray, A. J., e M. J. Crawley. "Plant Ecology." Journal of Ecology 75, n. 4 (dicembre 1987): 1201. http://dx.doi.org/10.2307/2260326.

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Goldsmith, Barrie. "Plant ecology". Journal of Rural Studies 5, n. 1 (gennaio 1989): 115. http://dx.doi.org/10.1016/0743-0167(89)90032-6.

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HOVENDEN, MARK. "Plant Ecology". Austral Ecology 31, n. 7 (novembre 2006): 909–10. http://dx.doi.org/10.1111/j.1442-9993.2006.01686.x.

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Westoby, M., A. J. Davy, M. J. Hutchings e A. R. Watkinson. "Plant Population Ecology." Journal of Applied Ecology 27, n. 1 (aprile 1990): 355. http://dx.doi.org/10.2307/2403593.

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Kephart, Susan R., Mary F. Willson e Nancy Burley. "Plant Reproductive Ecology." Systematic Botany 10, n. 3 (luglio 1985): 375. http://dx.doi.org/10.2307/2418601.

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Espeland, E. K. "Invasive Plant Ecology". Ecological Restoration 32, n. 2 (23 aprile 2014): 212–13. http://dx.doi.org/10.3368/er.32.2.212.

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Doust, J. Lovett, A. J. Davy, M. J. Hutchings e A. R. Watkinson. "Plant Population Ecology." Journal of Ecology 78, n. 1 (marzo 1990): 268. http://dx.doi.org/10.2307/2261049.

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Etherington, J. R., e W. Larcher. "Physiological Plant Ecology." Journal of Ecology 84, n. 4 (agosto 1996): 630. http://dx.doi.org/10.2307/2261487.

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Roossinck, Marilyn J. "Plant Virus Ecology". PLoS Pathogens 9, n. 5 (23 maggio 2013): e1003304. http://dx.doi.org/10.1371/journal.ppat.1003304.

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Tesi sul tema "Plant ecology"

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Damgaard, Christian. "Evolutionary ecology of plant-plant interactions : an empirical modelling approach /". Aarhus University Press, 2004. http://www.elib.se/library/ebook_detail.asp?id_type=ISBN&lib=DK&id=8779348750.

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Brooker, Robin William. "Plant-plant and plant-environment interactions in the Arctic". Thesis, University of Sheffield, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301266.

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Grau, Fernàndez Oriol. "Interaccions planta-planta en gradients d'estrès en ecosistemes freds / Plant-plant interactions along stress gradients in cold ecosystems". Doctoral thesis, Universitat de Barcelona, 2013. http://hdl.handle.net/10803/101146.

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En aquesta tesi presento quatre capítols, en els quals es discuteix com diferents espècies subarbustives interactuen amb plantes coexistents, sota règims variables d’estrès. Aquesta recerca ha estat centrada en ecosistemes de gran valor ambiental, ecològic i de conservació, i alhora sensibles als canvis ambientals, en quatre regions distintes situades en zones de latitud o altitud elevades. Per ordre latitudinal, els ecosistemes estudiats han estat: 1) el límit supraforestal dels Pirineus Centrals, situats en una zona temperada; 2) el gradient de successió primària d’un ecosistema situat en una zona boreal, a Finlàndia,; 3) el límit supraforestal situat a la zona subàrtica de Lapònia; i 4) la tundra situada en una zona de l’alt àrtic, al nord‐est de Grenlàndia . Els dos primers capítols es basen en una aproximació experimental i se centren en investigar com els subarbustos més comuns trobats prop del límit supraforestal interactuen amb plançons d’arbres de les espècies que formen el límit del bosc en dos ambients contrastats, i.e. el límit supraforestal subàrtic, i el límit supraforestal dels Pirineus Centrals. A més, donat que els arbres que viuen prop del límit de distribució són molt sensibles als canvis ambientals , especialment a l’augment de temperatures durant l’estació de creixement (Körner 2003), també s’ha investigat com podrien afectar el creixement dels plançons d’arbre i la seva supervivència al llarg de l’ecotò, diferents escenaris de canvis ambientals. El primer capítol es titula ‘Les interaccions arbre‐arbust i els canvis ambientals dirigeixen la dinàmica supraforestal a la zona subàrtica’, i s’hi exposa l’experiment de tres anys de durada que es va executar al ‘Parc Nacional d’Abisko’, en els Scandes subàrtics, al nord de Suècia; les plantes estudiades varen ser plançons de Betula pubescens i el subarbust Vaccinium myrtillus. En aquest estudi es va certificar la importància de les interaccions arbust‐arbre, tant facilitatives com competitives, com a elements clau en la dinàmica supraforestal subàrtica. A més, vàrem demostrar que la gran sensibilitat dels plançons a l’escalfament tenia fortes implicacions per la dinàmica supraforestal, tenint en compte l’escenari previst d’augment de temperatures en latituds elevades. També es va observar que les interaccions complexes entre arbusts i herbívors són claus per preveure canvis futurs. El segon capítol es titula ‘Els plançons d’arbres situats als límits supraforestals Pirinencs i subàrtics mostren respostes semblants a la presència d'arbustos i a les simulacions de canvis ambientals’. Aquí es presenta una comparació entre els resultats de l’experiment presentat en el primer capítol i els obtinguts en un experiment paral∙lel dut a terme durant un període de temps semblant prop del límit supraforestal en el ‘Parc Natural de l’Alt Pirineu’, als Pirineus Centrals catalans. Aquest experiment es va basar en el mateix disseny factorial que l’anterior estudi, però amb diferents espècies (i.e. plançons de l’arbre Pinus uncinata i l’arbust Rhododendron ferrugineum). Segons ens consta, és el primer estudi que avalua experimentalment les respostes de les plantes vers diferents escenaris ambientals en un ecosistema d’alta muntanya als Pirineus. En aquest capítol es presenten alguns mecanismes que ajudaran a comprendre la variabilitat recentment observada de les respostes locals de límits supraforestals de zones temperades i subàrtiques com a resultat del clima canviant, i també identifiquem alguns paral∙lelismes que poden utilitzar‐se per generalitzar les respostes a gran escala dels límits supraforestals al canvi climàtic. El tercer capítol se centra en els efectes d’un subarbust dominant (i.e. Empetrum nigrum) en plançons de Pinus sylvestris al llarg del gradient de successió primària en un ecosistema boreal en una illa emergent de la badia de Bòtnia, a Finlàndia. Aquest capítol s’anomena ‘Un arbust ericoide exerceix la doble funció de reclutar pins i els seus simbionts fúngics al llarg d’un gradient de successió primària’. Aquí hem mostrat que els efectes facilitadors i competidors dels subarbustos determinen fortament l’establiment de plançons i la seva colonització fúngica al llarg d’aquest gradient de successió. Segons ens consta, aquests són els primers resultats que demostren que un arbust ericoide micorrízic pot millorar tant el desenvolupament de l’arbre hoste ectomicorrízic com el dels simbionts fúngics de l’arbre. L’estudi presentat al quart capítol es va realitzar al llarg d’un gradient de nivositat en un ecosistema extrem de tundra àrtica al ‘Parc Nacional del nord‐est de Grenlàndia’, el Parc Nacional més gran del món. El capítol es titula ‘Interaccions vegetals i composició de la vegetació àrtica al llarg d’un gradient de nivositat al nord‐est de Grenlàndia’. Aquest ecosistema és probablement el més sensible i fràgil de tots els ecosistemes estudiats en aquesta tesi, donat que s’espera que a la costa est de Grenlàndia s’hi esdevinguin canvis substancials en el clima com a resultat de canvis destacables en els règims de precipitació de neu i de les temperatures (Brown i Mote 2009). Aquí es va avaluar la riquesa d’espècies de plantes, així com els patrons d’establiment i composició de diverses formes de creixement existents en comunitats vegetals àrtiques associades a una variació de la cobertura de neu durant els mesos d’hivern. Aquest estudi ajudarà a preveure la diversitat potencial i els canvis en la vegetació a la zona de l’alt Àrtic, si els règims de precipitació de neu canvien en el futur com es preveu.
In this thesis I present four chapters, and in all of them I discuss how dwarf shrubs interact with co‐occurring plants under varying regimes of stress. This research involved ecosystems of great environmental, nature conservation and ecological value, yet highly sensitive to environmental changes, in four contrasting cold regions at high altitude or high latitude. Following a latitudinal order, the selected ecosystems were: 1) a temperate alpine treeline in the Central Pyrenees; 2) a primary succession gradient in a boreal ecosystem in Finland; 3) a subarctic alpine treeline in Lapland; and 4) a high‐arctic tundra in north‐eastern Greenland. The first two chapters are based on an experimental approach and focus on how shrubs commonly found near the treeline interact with tree seedlings of treelineforming species in two contrasting environments, i.e. in a subarctic forest‐tundra ecotone in Lapland, northern Sweden, and in a more southern, temperate forestalpine pasture ecotone in the Central Pyrenees. In addition, since trees living near their limit of distribution are very sensitive to environmental changes, especially to increased temperature during the growing season (Körner 2003), we also assessed how distinct environmental change scenarios may affect tree seedling growth and survival across the ecotone. The first chapter is entitled ‘Shrub‐tree interactions and environmental changes drive treeline dynamics in the Subarctic’, where we explain the three‐year‐long experiment performed in the Abisko National Park, in the subarctic Scandes, Northern Sweden; the species studied were Betula pubescens tree seedlings and the shrub Vaccinium myrtillus. In this study we showed the importance of facilitative and competitive shrub‐tree interactions as drivers of subarctic treeline dynamics. Furthermore, we demonstrated that the great sensitivity of tree seedlings to warming had strong implications for treeline dynamics under the predicted warmer scenario at high latitudes, and we identified that complex interactions between shrubs and herbivores are critical to predicting future changes. The second chapter is entitled ‘Similar tree seedling responses to shrubs and to simulated environmental changes at Pyrenean and subarctic treelines’. Here we presented a comparison between the results obtained in the experiment presented in the first chapter and those obtained in a parallel experiment performed during a similar period near the treeline in the Alt Pirineu Natural Park, in the Central Pyrenees, Catalonia. This experiment was based on the same factorial design but with different species (i.e. Pinus uncinata tree seedlings and the shrub Rhododendron ferrugineum). To our knowledge, it is the first study which experimentally tests the responses of plants to distinct environmental scenarios in a high mountain ecosystem in the Pyrenees. In this chapter we presented some mechanisms for understanding the recently observed variability of local responses of both subarctic and alpine treelines to currently changing climate while identifying some commonalities that can be used to generalise large scale response of treelines to climate warming. The third chapter focuses on the effects of a dominant dwarf shrub (i.e. Empetrum nigrum) on Pinus sylvestris tree seedlings along a primary succession within a boreal ecosystem on an uplifting island in Bothnian Bay, Finland. This chapter is called ‘An ericoid shrub plays a dual role in recruiting both pines and their fungal symbionts along primary succession gradients’. Here we showed that facilitative and competitive effects of shrubs markedly determined tree seedling establishment and their fungal colonisation along this succession gradient, but in this chapter we did not relate these findings to any environmental changes. As far as we know, we presented the first finding that an ericoid mycorrhizal shrub may enhance both the performance of the ectomycorrhizal host tree and the tree’s fungal symbionts. The study presented in the fourth chapter was performed along a snow‐depth gradient in an extreme arctic tundra ecosystem in the Northeast Greenland National Park, the largest national park in the world. The chapter is entitled ‘Plant interactions and higharctic vegetation composition along a snow‐depth gradient in NE Greenland’. This ecosystem is probably the most sensitive and fragile among the ecosystems studied in this thesis as the eastern coast of Greenland is expected to experience substantial changes in climate due to marked changes in snow precipitation and temperature regimes (Brown and Mote 2009). Here we assessed plant species richness, establishment and composition patterns in distinct growth forms occurring in common arctic plant communities associated with varying snow‐depth during the winter season. This study will help to predict potential diversity and vegetation changes in the high Arctic if snow precipitation regime changes in the future as anticipated.
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Hendry, Ruth Juliet. "Spatial modelling in plant ecology". Thesis, University of Warwick, 1995. http://wrap.warwick.ac.uk/1126/.

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In this thesis a range of lattice based spatially explicit models of ecosystems are presented and their applicability to various ecological situations is demonstrated with emphasis on plant communities These mechanistic and individual based models which include coupled map lattices and cellular automata aim to produce ecological insights and testable results Models of both short and long term systems are developed with the former being potentially testable in the eld and the latter promoting understanding where experimentation is not feasible A range of graphical and numerical techniques were developed to investigate both plant and animal model ecosystems The starting point is a short term single species coupled map lattice which investigates popula tion structure arising from local competitive interactions The model concludes that increase of size variation with increasing density indicates the presence of competitive intraspecic asymme try This idea is applied to crop data where considerable asymmetry is identied emphasising the need for balancing crop yield and size consistency Multispecies extensions to this model focus on spatial patterning arising from biotic interac tions and various numerical techniques underline the asymmetrical relationship between long and short lived species Environmental heterogeneity is imposed on the plant species in a third version of the model via the incorporation of an explicit resource base The complex inter dependence of community and environment is highlighted and illustrated by a model of the evolution of seed sizes Through the application of cellular automata to forest and epidemiological systems the concept of memory such as age or stage structuring is shown to be vital in the generation of spatial structure in long term ecological systems Analytical investigations generate further insights and again emphasise the crucial role played by spatial extensiveness in the wide range of ecological situations considered here In conclusion lattice models are ideally suited to the study of ecosystems
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Van, Blerk Justin. "Rodents and Restionaceae : sex-specific plant-animal interactions in dioecious plants". Master's thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20541.

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Differing plant canopy structures between the sexes of the dioecious Cannomois congesta (Restionaceae) were found to be the result of the destructive pre-dispersal seed predation methods used by the four-striped grass mouse (Rhabdomys). Mature, reproductive culms on female plants were felled down (mid way along the culm) in large numbers by Rhabdomys in order for it to access the seeds held terminally on culms. Male plants were largely unaffected due to their lack of seeds. Seeds acquired through culm-felling by Rhabdomys were all eaten shortly after their discovery, leading to significant seed mortality each year and reducing the rate of seed dispersal by ants (myrmecochory). I studied the physiological effects of culm-felling by Rhabdomys in C. congesta. Firstly I investigated nutrient resorption from senescing culms and considered the effects of reproductive effort (higher in females) and sex-specific nutrient losses. I found that nutrient resorption from mature culms was highly efficient in both sexes. Culm-felling by Rhabdomys lead to the loss of pre-senescent culm tissue in females and therefore lead to the loss of a significant proportion of potentially resorbed nutrients. Nutrient resorption was found not to be flexible as a strategy to compensate for higher reproductive costs/nutrient-losses in females. This was possibly due to nutrient resorption occurring near is physiological maximum. Plant photosynthetic performance was also investigated using stable isotopes and gas exchange and was found to be similar in both C. congesta sexes throughout the year. The influence of culm-felling by Rhabdomys on female micro-climate also did not appear to have a significant influence on photosynthetic performance between sexes. There was a general lack of evidence to suggest compensatory physiological changes or reductions in fitness (photosynthetic capacity/growth/reproduction) in females due to higher reproductive costs/nutrient-losses. The lack of physiological differences and the fact that females supported a greater number of culms relative to males suggested that other compensatory mechanisms could exist. Phenological differences were discovered and could be important in allowing flexibility between sexes to best use available resources for their specific sexual requirements. Another possibility is that compensatory growth occurred in females at the cost of rhizome-stored nutrients. This has been shown to occur in graminoids after high levels of herbivory (Bryant et al 1983).
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Colasanti, Ricardo Luigi. "Individual-based vegetation models in plant ecology". Thesis, University of Sheffield, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.327610.

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Vonlanthen, Corinne Maria. "Alpine plant communities : ecology and species richness /". [S.l.] : [s.n.], 2005. http://www.zb.unibe.ch/download/eldiss/05vonlanthen_c.pdf.

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Swedo, Barbara L. "Plant-microbe associations controls on soil bacterial community structure and consequences for aboveground plant communities /". [Bloomington, Ind.] : Indiana University, 2008. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3337259.

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Thesis (Ph.D.)--Indiana University, Dept. of Biology, 2008.
Title from PDF t.p. (viewed on Jul 28, 2009). Source: Dissertation Abstracts International, Volume: 69-12, Section: B, page: 7260. Adviser: Heather L. Reynolds.
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Prusak, Anne C. "Activated and constitutive chemical defenses in freshwater plants". Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06072004-131334/unrestricted/prusak%5Fanne%5Fc%5F200405%5Fms.pdf.

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Winterer, Juliette. "The ecology and evolution of plant defense, herbivore tolerance, and disease virulence /". Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/5241.

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Libri sul tema "Plant ecology"

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. Plant Ecology. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-56233-8.

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Crawley, Michael J., a cura di. Plant Ecology. Oxford, UK: Blackwell Publishing Ltd., 1996. http://dx.doi.org/10.1002/9781444313642.

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J, Crawley Michael, a cura di. Plant ecology. 2a ed. Oxford: Blackwell Science, 1997.

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Crawley, Michael. Plant ecology. Oxford: Blackwell, 1986.

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Schulze, Ernst-Detlef. Plant ecology. Berlin: Springer, 2005.

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J, Crawley Michael, a cura di. Plant ecology. Oxford [Oxfordshire]: Blackwell Scientific Publications, 1986.

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Gibson, J. Phil. Plant ecology. Philadelphia: Chelsea House Publishers, 2006.

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Batra, Virendra. Plant ecology. Jaipur, India: Oxford Book Co., 2009.

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J, Crawley Michael, a cura di. Plant ecology. Oxford [Oxfordshire]: Blackwell Scientific Publications, 1989.

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E, Beck, e Müller-Hohenstein Klaus, a cura di. Plant ecology. Berlin: Springer, 2005.

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Capitoli di libri sul tema "Plant ecology"

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Costa, Sofia R. "Ecology". In Plant Nematology, 316–44. 3a ed. GB: CABI, 2024. http://dx.doi.org/10.1079/9781800622456.0010.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Spatial Distribution of Plants and Plant Communities". In 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 e Michael Scherer-Lorenzen. "Thermal Balance of Plants and Plant Communities". In 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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Delcourt, Hazel R., e Paul A. Delcourt. "Plant succession". In Quaternary Ecology, 61–92. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3104-9_3.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Interactions Between Plants, Plant Communities and the Abiotic and Biotic Environment". In Plant Ecology, 689–741. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_19.

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Rejmánek, Marcel, David M. Richardson e Petr Pyšek. "Plant Invasions and Invasibility of Plant Communities". In Vegetation Ecology, 387–424. Oxford, UK: John Wiley & Sons, Ltd, 2013. http://dx.doi.org/10.1002/9781118452592.ch13.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Introduction". In Plant Ecology, 1–5. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_1.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Water Relations". In Plant Ecology, 329–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_10.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Nutrient Relations". In Plant Ecology, 367–99. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_11.

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Schulze, Ernst-Detlef, Erwin Beck, Nina Buchmann, Stephan Clemens, Klaus Müller-Hohenstein e Michael Scherer-Lorenzen. "Carbon Relations". In Plant Ecology, 401–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56233-8_12.

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Atti di convegni sul tema "Plant ecology"

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Topunov, A. F., O. V. Kosmachevskaya e E. I. Nasybullina. "EXPRESSED PLANT HEMOGLOBIN AS AN INGREDIENT FOR PRODUCTION OF «PLANT-BASED MEAT»". In NOVEL TECHNOLOGIES IN MEDICINE, BIOLOGY, PHARMACOLOGY AND ECOLOGY. Institute of information technology, 2022. http://dx.doi.org/10.47501/978-5-6044060-2-1.242-244.

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Escherichia coli cells with an embedded soybean leghemoglobin (Lb) gene produce this protein in a reduced oxygenated state. The cells synthesizing Lb turned out to be more sensitive to the action of oxidative and nitrosative stress inducers, than cells without Lb.
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Sadykova, A., A. Garus e Valentina Popova. "UNIQUE FLORA OF KYRGYZSTAN". In 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_60-65.

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Studied some ecological different groups of herbaceous plants of Kyrgyzstan (forest, meadow and mountain). Endemic plant species are distinguished – the Alayskaya bubble, the Regel emium, as well as the relict endemic – Semenov's fir.
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3

Zamiusskaya, E., V. Koza e E. Moiseeva. "ASSESSMENT OF THE STATE OF FOREST STANDS OF ROSSOSHANSKY FORESTRY". In 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_20-24.

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This article discusses the results of the assessment of the state of forest stands of the Rossoshansky forestry. The research was conducted in 2020 at 2 trial sites. When conducting a survey on wood species from infectious pathologies at the trial sites of the Rossoshansky forestry, diseases of the assimilation apparatus, necrotic-cancerous diseases, root and stem rot were noted. Also identified entomovrediteley this plant. The stability class, the average score of the stand state, the digression stage, and the fautiness of the trees were determined.
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Serebryakov, O., e Nadezhda Prokhorova. "CONSIDERING THE ROLE OF BOTANIC GARDENS AND ARBOTETUM FOR THE DEVELOPMENT OF ECOLOGICAL EDUCATION". In 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_66-72.

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Today, the question of the need for environmental education is of particular importance. It is necessary to restore harmonious ties between man and nature, and this is possible only in contact with the natural environment itself. The irrational use of natural resources, the progressing economic activity of man, which does not take into account the laws of the development of natural systems, lead to a change in natural processes, a violation of the balance of the biosphere. Analysis of various approaches to educational activities in the field of environmental culture revealed the importance of specially protected natural areas in environmental education. They have unique benefits for biodiversity education by providing visual illustrations of the diversity of natural ecosystems.
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Rad'kova, Evgeniya, e Anna Popova. "DISTRIBUTION OF SPECIES OF CYNIPOIDEA IN EARLY AND LATE PHENOFORM QUERCUS ROBUR". In 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_83-87.

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The object of the study was forest insects that live in the oak forests of Voronezh and the Voronezh region on the Quercus robur of early and late phenological forms. They belong to the order Hymenoptera, the suborder Apocrita, and the subfamily Cynipoidae. The analysis of the presence of various types of Cynipoidae and their association with a certain PHENOFORM in oak stands located directly in the city of Voronezh on Timiryazev and Moskovsky Prospekt streets, in the Shilovo and Zadonye microdistricts, as well as in the Semiluki nursery was carried out. Each type of Cynipoidae causes the formation of only its characteristic galls. Thanks to this, we were able to determine the presence of such types of Cynipoidae: Neuroterus numismalis, Cynips quercusfolii, Andricus inflator, Neuroterus quercusbaccarum. We have identified that the presence of these types of Cynipoidae differ in different oak stands of Voronezh region.
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Ramenskaya, A., Svetlana Degtyareva e Valentina Dorofeeva. "ECOLOGICAL BASIS FOR THE CREATION OF BIOSPHERE RESERVES OF THE RUSSIAN FEDERATION". In 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_56-59.

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The ecological foundations of the creation of some biosphere reserves of the Russian Federation are analyzed. The article focuses on the influence of abiotic environmental factors on the species of organisms and ecosystems in general. The patterns of vegetation distribution, the time of creation and the functional role of the reserve, and the status of the biosphere reserve are revealed.
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Mihina, Viktoriya, e Nikolay Kharchenko. "FEATURES OF GROWTH OF PETIOLATE OAK IN ARTIFICIAL LINEAR PLANTINGS OF THE CENTRAL FOREST-STEPPE". In 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_42-45.

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The formation of artificial linear plantations with the participation of pedunculate oak is predetermined by agrotechnical and silvicultural methods of cultivation. Its share among the used other breeds is about 25%. At the age of 33, with the placement of planting places 5.0 x 3.0 m, the pedunculate oak has a high preservation (by 33.9%) in a three-row plantation, in relation to crops from four rows. The protective height in a narrower artificial linear plantation is 10.2 m, which is 1.24 times higher with a width of 20.0 m. In mixed oak-ash crops at the age of 45 years, the best growth and preservation of pedunculate oak is noted in relation to oak plantations pure in composition. For birch-oak crops, the influence of a fast-growing breed is characteristic. At the age of 54, the safety of pedunculate oak is 23.1%, the wind protection height is 19.1 m. Differences in the growth of species are one class of bonitet. In the central rows of pedunculate oak at the age of 30-49 years, the average height has a greater value and a smaller diameter in relation to the indicators of the edging rows (by 7.5-19.9%). A convex transverse profile of the plantation is formed, which is predetermined by the physiological characteristics of the development of the tree species.
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Gordienko, I. "RESULT OF ANALYSIS OF DEPENDENCE OF THE NUMBER OF FULFILLED AND RUDIMENTARY LOTUS KOMAROV SEEDS ON THE SIZE OF SEED BOXES". In 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_108-111.

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Abstract (sommario):
The seeds collected from individually selected plants were studied according to the main linear parameters of morphological elements, the degree of variability and the presence of percentages. The main regularities between the linear dimensions of the seed elements and the size of the seed capsule containing them are revealed.
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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". In 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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Abstract (sommario):
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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Koza, V., Elena Mikhina e Vyacheslav Mikhin. "FOREST RECLAMATION COMPLEXES OF THE ROSSOSHANSKY DISTRICT OF THE VORONEZH REGION". In 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_29-32.

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Abstract (sommario):
Forest reclamation complexes in the Rossoshan district of the Voronezh region are mainly represented with the participation of white acacia, silver birch, green ash, common elm and Tatar maple. The area occupied by them in the agricultural landscape is 2009 hectares. In cultures of hanging birch at the age of 19 years with a change in width from 6.0 m to 15.0 m, there is a decrease in the preservation of species by 8.8% and a decrease in wind protection height by 16.5% with a plant density of 3334 pcs / ha and placement of 3 , 0 x 1.0 m. According to the growth of plantings, they are estimated as Ia class of bonitet. In mixed crops aged 34 years, consisting of fast-growing and accompanying species with a planting width of 16.0 m, the highest height is for drooping birch (20.1 m), the lowest for green ash (14.3 m). The safety of such breeds is 46.8% and 60.6%, respectively. Forest belts, represented by white acacia, drooping birch, Tatar maple at the age of 36 years, have a preservation of species of 38.3-55.2%. The drooping birch has the highest height (22.4 m). In artificial linear plantations, consisting of common elm, drooping birch, Tatar maple and green ash at the age of 38 years, the greatest preservation is observed in the Tatar maple (54.7%), the lowest in green ash (32.7%). The drooping birch has the greatest windproof height (20.6 m) and is estimated in growth according to the Ia class of bonitet. Each breed has certain ecological and biological properties.
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Rapporti di organizzazioni sul tema "Plant ecology"

1

Crowley, David, Yitzhak Hadar e Yona Chen. Rhizosphere Ecology of Plant-Beneficial Microorganisms. United States Department of Agriculture, febbraio 2000. http://dx.doi.org/10.32747/2000.7695843.bard.

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Rhizoferrin, a siderophore produced by Rhizopus arrhizus, has been shown in previous studies to be an outstanding Fe carrier to plants. However, calculations based on stability constants and thermodynamic equilibrium lead to contradicting conclusions. In this study a kinetic approach was employed to elucidate this apparent contradiction and to determine the behavior of rhizoferrin under conditions representing soil and nutrient solutions. Stability of Fe3+ complexes in nutrient solution, rate of metal exchange with Ca, and rate of Fe extraction by the free ligand were monitored for rhizoferrin and other chelating agents by 55Fe labeling. Ferric complexes of rhizoferrin, desferri-ferrioxamine-B (DFOB), and ethylenediamine-di(o-hydroxyphenylacetic acid) (EDDHA) were found to be stable in nutrient solution at pH 7.5 for 31 days, while ferric complexes of ethylenediaminetetraacetic acid (EDTA) and mugineic acid (MA) lost 50% of the chelated Fe within 2 days. Fe-Ca exchange in Ca solutions at pH 8.7 revealed rhizoferrin to hold Fe at non-equilibrium state for 3-4 weeks at 3.3 mM Ca and for longer periods at lower Ca concentrations. EDTA lost the ferric ion at a faster rate under the same conditions. Fe extraction from freshly prepared Fe-hydroxide at pH 8.7 and with 3.2 mM Ca was slow and followed the order. DFOB > EDDHA > MA > rhizoferrin > EDTA. Based on these results we suggest that a kinetic rather than equilibrium approach should be the basis for predictions of Fe-chelates efficiency. We conclude that the non-equilibrium state of rhizoferrin is of crucial importance for its behavior as a Fe carrier to plants.
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2

Callister, Stephen, James Moran, Lee Ann McCue e Ljiljana Pasa-Tolic. Microbial Ecology of the Plant Rhizosphere (PlantMicrobe). Office of Scientific and Technical Information (OSTI), dicembre 2020. http://dx.doi.org/10.2172/1988067.

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3

Carlsen, T. M. Population and community ecology of the rare plant amsinckia grandiflora. Office of Scientific and Technical Information (OSTI), novembre 1996. http://dx.doi.org/10.2172/652959.

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4

Wade, Gary L., Jonathan A. Myers, Cecilia R. Martin, Kathie Detmar, William, III Mator, Mark J. Twery e Mike Rechlin. Vascular Plant Species of the Forest Ecology Research and Demonstration Area, Paul Smith's, New York. Newtown Square, PA: U.S. Department of Agriculture, Forest Service, Northeastern Research Station, 2003. http://dx.doi.org/10.2737/ne-rn-380.

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5

McDonald, Philip M., e Gary O. Fiddler. Ecology and development of Douglas-fir seedlings and associated plant species in a Coast Range plantation. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1999. http://dx.doi.org/10.2737/psw-rp-243.

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6

Minz, Dror, Eric Nelson e Yitzhak Hadar. Ecology of seed-colonizing microbial communities: influence of soil and plant factors and implications for rhizosphere microbiology. United States Department of Agriculture, luglio 2008. http://dx.doi.org/10.32747/2008.7587728.bard.

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Abstract (sommario):
Original objectives: Our initial project objectives were to 1) Determine and compare the composition of seed-colonizing microbial communities on seeds, 2) Determine the dynamics of development of microbial communities on seeds, and 3) Determine and compare the composition of seed-colonizing microbial communities with the composition of those in the soil and rhizosphere of the plants. Revisions to objectives: Our initial work on this project was hampered by the presence of native Pythium species in the soils we were using (in the US), preventing us from getting accurate assessments of spermosphere microbial communities. In our initial work, we tried to get around this problem by focusing on water potentials that might reduce damage from native Pythium species. This also prompted some initial investigation of the oomycete communities associated seedlings in this soil. However, for this work to proceed in a way that would allow us to examine seed-colonizing communities on healthy plants, we needed to either physically treat soils or amend soils with composts to suppress damage from Pythium. In the end, we followed the compost amendment line of investigation, which took us away from our initial objectives, but led to interesting work focusing on seed-associated microbial communities and their functional significance to seed-infecting pathogens. Work done in Israel was using suppressive compost amended potting mix throughout the study and did not have such problems. Our work focused on the following objectives: 1) to determine whether different plant species support a microbial induced suppression of Pythium damping-off, 2) to determine whether compost microbes that colonize seeds during early stages of seed germination can adequately explain levels of damping-off suppression observed, 3) to characterize cucumber seed-colonizing microbial communities that give rise to the disease suppressive properties, 4) assess carbon competition between seed-colonizing microbes and Pythium sporangia as a means of explaining Pythium damping-off suppression. Background: Earlier work demonstrated that seed-colonizing microbes might explain Pythium suppression. Yet these seed-colonizing microbial communities have never been characterized and their functional significance to Pythium damping-off suppression is not known. Our work set out to confirm the disease suppressive properties of seed-colonizing microbes, to characterize communities, and begin to determine the mechanisms by which Pythium suppression occurs. Major Conclusions: Compost-induced suppression of Pythium damping-off of cucumber and wheat can be explained by the bacterial consortia colonizing seeds within 8 h of sowing. Suppression on pea was highly variable. Fungi and archaea play no role in disease suppression. Potentially significant bacterial taxa are those with affinities to Firmicutes, Actinobacteria, and Bacteroidetes. Current sequencing efforts are trying to resolve these taxa. Seed colonizing bacteria suppress Pythium by carbon competition, allowing sporangium germination by preventing the development of germ tubes. Presence of Pythium had a strong effect on microbial community on the seed.
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Buckley, Merry. The Fungal Kingdom: diverse and essential roles in earth's ecosystem. American Society for Microbiology, 2008. http://dx.doi.org/10.1128/aamcol.2nov.2007.

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There's more to fungi than just mushrooms. Fungi are the cause of scores of life-threatening diseases, they are the earth's best degraders of organic matter, and they are proving to be more useful to science and manufacturing every year. They come in many forms, ranging from single-celled yeasts on the order of ~10 ÌM to mushrooms the size of dinner plates to thin, powdery coatings of mold. Despite the diversity that science has revealed about fungi and their myriad roles in health, ecology, and industry, much about these organisms remains a mystery. The American Academy of Microbiology convened a colloquium November 2–4, 2007, in Tucson, Arizona, to discuss fungi, the current state of research in fungal biology (mycology), and the gaps in our understanding of this important group of organisms. Experts in mycology, medicine, plant pathogens, genetics/genomics, ecology, and other areas developed specific recommendations for advancing fungal research.
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Прилипко, Вікторія Вікторівна, e Вікторія Вікторівна Перерва. Флористична структура рослинного покриву проммайданчику Інгулецького гірничо-збагачувального комбінату. Львів, 2006. http://dx.doi.org/10.31812/123456789/4239.

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Abstract (sommario):
Ecological, biomorfical, ecology-coenotic and geographical structure of the plant groups of the industrial areas were studied taking the example of Inguletskiy OreDressing Combine. It was found out that changes of participation of ecological groups in relation to environment of life are caused by features edaphical conditions. Infringements of a vegetation and soil cause formation of groups with specific specter of biomorfs. The basic role in a vegetation of the industrial areas has of species of the ruderal coenoelement of the synantropic floroсоеnotyp.
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Прилипко, Вікторія Вікторівна, e Вікторія Вікторівна Перерва. Флористична структура рослинного покриву проммайданчику Інгулецького гірничо-збагачувального комбінату. Ін-т екології Карпат НАН України, 2006. http://dx.doi.org/10.31812/123456789/4235.

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Abstract (sommario):
Ecological, biomorfical, ecology-coenotic and geographical structure of the plant groups of the industrial areas were studied taking the example of Inguletskiy OreDressing Combine. It was found out that changes of participation of ecological groups in relation to environment of life are caused by features edaphical conditions. Infringements of a vegetation and soil cause formation of groups with specific specter of biomorfs. The basic role in a vegetation of the industrial areas has of species of the ruderal coenoelement of the synantropic floroсоеnotyp
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10

Johnson, Charles G., Rodrick R. Clausnitzer, Peter J. Mehringer e Chadwick D. Oliver. Biotic and abiotic processes in eastside ecosystems: the effects of management on plant and community ecology and on stand and landscape vegetation dynamics. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1994. http://dx.doi.org/10.2737/pnw-gtr-322.

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