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Статті в журналах з теми "Respiration variations"
Liu, Yanchun, Qing Shang, Lei Wang, and Shirong Liu. "Effects of Understory Shrub Biomass on Variation of Soil Respiration in a Temperate-Subtropical Transitional Oak Forest." Forests 10, no. 2 (January 23, 2019): 88. http://dx.doi.org/10.3390/f10020088.
Повний текст джерелаWang, Dandan, Xinxiao Yu, Guodong Jia, Wei Qin, and Zhijie Shan. "Variations in Soil Respiration at Different Soil Depths and Its Influencing Factors in Forest Ecosystems in the Mountainous Area of North China." Forests 10, no. 12 (November 27, 2019): 1081. http://dx.doi.org/10.3390/f10121081.
Повний текст джерелаCheng, Xiang Rong, Mu Kui Yu, Tong Gui Wu, and Zong Xing Wang. "Soil Respiration and its Controlling Factors in Six Coastal Young Monoculture Plantations." Advanced Materials Research 726-731 (August 2013): 3751–56. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.3751.
Повний текст джерелаAdachi, Minaco, Atsushi Ishida, Sarayudh Bunyavejchewin, Toshinori Okuda, and Hiroshi Koizumi. "Spatial and temporal variation in soil respiration in a seasonally dry tropical forest, Thailand." Journal of Tropical Ecology 25, no. 5 (September 2009): 531–39. http://dx.doi.org/10.1017/s026646740999006x.
Повний текст джерелаTalasila, P. Chowdary, Arthur C. Cameron, and Dennis W. Joles. "236 RESPIRATION AND TEMPERATURE VARIATION EFFECTS ON MA PACKAGING OF STRAWBERRIES AND RASPBERRIES." HortScience 29, no. 5 (May 1994): 463c—463. http://dx.doi.org/10.21273/hortsci.29.5.463c.
Повний текст джерелаLiu, Ying, and Shi Jie Han. "Diurnal and Seasonal Variations in Soil Respiration in a Temperate Broad-Leaved Korean Pine Forest, China." Applied Mechanics and Materials 295-298 (February 2013): 2318–23. http://dx.doi.org/10.4028/www.scientific.net/amm.295-298.2318.
Повний текст джерелаFrancioni, Matteo, Paride D’Ottavio, Roberto Lai, Laura Trozzo, Katarina Budimir, Lucia Foresi, Ayaka Wenhong Kishimoto-Mo, et al. "Seasonal Soil Respiration Dynamics and Carbon-Stock Variations in Mountain Permanent Grasslands Compared to Arable Lands." Agriculture 9, no. 8 (July 27, 2019): 165. http://dx.doi.org/10.3390/agriculture9080165.
Повний текст джерелаLiu, Gang, Rei Sonobe, and Quan Wang. "Spatial Variations of Soil Respiration in Arid Ecosystems." Open Journal of Ecology 06, no. 04 (2016): 192–205. http://dx.doi.org/10.4236/oje.2016.64020.
Повний текст джерелаChi, Yonggang, Qingpeng Yang, Lei Zhou, Ruichang Shen, Shuxia Zheng, Zhaoyang Zhang, Zhenzhen Zhang, et al. "Temperature Sensitivity in Individual Components of Ecosystem Respiration Increases along the Vertical Gradient of Leaf–Stem–Soil in Three Subtropical Forests." Forests 11, no. 2 (January 25, 2020): 140. http://dx.doi.org/10.3390/f11020140.
Повний текст джерелаXu, Ming, Terry A. DeBiase, and Ye Qi. "A simple technique to measure stem respiration using a horizontally oriented soil chamber." Canadian Journal of Forest Research 30, no. 10 (October 1, 2000): 1555–60. http://dx.doi.org/10.1139/x00-083.
Повний текст джерелаДисертації з теми "Respiration variations"
Dhervillez, Catherine. "Contribution à l'étude des mécanismes des variations respiratoires du rythme cardiaque chez le rat." Lille 1, 1987. http://www.theses.fr/1987LIL10092.
Повний текст джерелаMavrogiannis, Apostolos. "Variations in the ventilatory and lactate thresholds with prolonged aerobic exercise." Thesis, University of British Columbia, 1985. http://hdl.handle.net/2429/25127.
Повний текст джерелаEducation, Faculty of
Curriculum and Pedagogy (EDCP), Department of
Graduate
Comstedt, Daniel. "Explaining temporal variations in soil respiration rates and delta13C in coniferous forest ecosystems." Doctoral thesis, Örebro universitet, Institutionen för naturvetenskap, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-2055.
Повний текст джерелаCeschia, Eric. "Environmental effects on spatial and seasonal variations of stem respiration in European beech and Norway spruce /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-6303-3.pdf.
Повний текст джерелаCeschia, Eric. "Effets environnementaux sur les variations spatiales et saisonnières de la respiration ligneuse chez le hêtre et l'épicéa." Paris 11, 2001. http://www.theses.fr/2001PA112349.
Повний текст джерелаThis thesis discusses the environmental and biological factors controlling stem respiration in beech and Norway spruce trees. The results are based on field experiments in France and Sweden in 1997-2000. Effects of fertilization and high atmospheric [CO2] on stem growth and respiration were studied. Woody respiration varied with seasonal changes in temperature and secondary growth. Spatial variation in respiration was explained by temperature gradients, uneven distribution of living cells, differences in diameter increment along the axis and variations in tissue vitality. Higher respiration rates usually were found in the upper stem or in the crown. Neglect of spatial variation in respiration led to errors in estimating annual aboveground woody respiration (Rag) of 30-110%. Rag represented 30% of annual respiration in the beech forest. Rag was 245-289 g C m-2a-1 in beech, 64 and 134 g C m-2 a-1 in control and fertilized stands of Norway spruce, respectively. Carbon use efficiency was 0. 58, 0. 71, and 0. 72 for beech trees, control and fertilized spruce trees, respectively. Growth respiration represented ca. 40% of total stem respiration. The wood construction cost (rG) was on average 0. 2 and 0. 16 g C respired g-1 C fixed in the new wood of beech and spruce trees. For both species, rG was higher in the crown than at breast height. Fertilization increased rG in spruce, but maintenance respiration (RM) was not affected. High [CO2] had little effect on rG in spruce and none in beech. [CO2] had no effect on Rm when fertilization was applied but Rm increased by a factor of 2. 5 for spruce in absence of fertilization. A change in wood composition of trees grown in high [CO2] without fertilization, apparently caused the increase in rG and Rm. In perspective of global warming, Rag would increase by 25% and 14% in young beech and Norway spruce forests, respectively, and the combined effect of high [C02] and global, warming would increase Rag by a factor of 2. 3 in spruce stands
Comstedt, Daniel. "Explaining temporal variations in soil respiration rates and delta13C in coniferous forest ecosystems." Doctoral thesis, Örebro University, Institutionen för naturvetenskap Department of Natural Sciences, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-2055.
Повний текст джерелаSoils of Northern Hemisphere forests contain a large part of the global terrestrial carbon (C) pool. Even small changes in this pool can have large impact on atmospheric [CO2] and the global climate. Soil respiration is the largest terrestrial C flux to the atmosphere and can be divided into autotrophic (from roots, mycorrhizal hyphae and associated microbes) and heterotrophic (from decomposers of organic material) respiration. It is therefore crucial to establish how the two components will respond to changing environmental factors. In this thesis I studied the effect of elevated atmospheric [CO2] (+340 ppm, 13C-depleted) and elevated air temperature (2.8-3.5 oC) on soil respiration in a whole-tree chamber (WTC) experiment conducted in a boreal Norway spruce forest. In another spruce forest I used multivariate modelling to establish the link between day-to-day variations in soil respiration rates and its δ13C, and above and below ground abiotic conditions. In both forests, variation in δ13C was used as a marker for autotrophic respiration. A trenching experiment was conducted in the latter forest in order to separate the two components of soil respiration. The potential problems associated with the trenching, increased root decomposition and changed soil moisture conditions were handled by empirical modelling. The WTC experiment showed that elevated [CO2] but not temperature resulted in 48 to 62% increased soil respiration rates. The CO2-induced increase was in absolute numbers relatively insensitive to seasonal changes in soil temperature and data on δ13C suggest it mostly resulted from increased autotrophic respiration. From the multivariate modelling we observed a strong link between weather (air temperature and vapour pressure deficit) and the day-to-day variation of soil respiration rate and its δ13C. However, the tightness of the link was dependent on good weather for up to a week before the respiration sampling. Changes in soil respiration rates showed a lag to weather conditions of 2-4 days, which was 1-3 days shorter than for the δ13C signal. We hypothesised to be due to pressure concentration waves moving in the phloem at higher rates than the solute itself (i.e., the δ13C–label). Results from the empirical modelling in the trenching experiment show that autotrophic respiration contributed to about 50% of total soil respiration, had a great day-to-day variation and was correlated to total soil respiration while not to soil temperature or soil moisture. Over the first five months after the trenching, an estimated 45% of respiration from the trenched plots was an artefact of the treatment. Of this, 29% was a water difference effect and 16% resulted from root decomposition. In conclusion, elevated [CO2] caused an increased C flux to the roots but this C was rapidly respired and has probably not caused changes in the C stored in root biomass or in soil organic matter in this N-limited forest. Autotrophic respiration seems to be strongly influenced by the availability of newly produced substrates and rather insensitive to changes in soil temperature. Root trenching artefacts can be compensated for by empirical modelling, an alternative to the sequential root harvesting technique.
Thomachot, Laurent. "Effet des variations de température et d'humidification des gaz inspires sur la mécanique pulmonaire chez le sujet en ventilation contrôlée." Aix-Marseille 2, 1992. http://www.theses.fr/1992AIX20844.
Повний текст джерелаMaxime, Valérie. "Contribution à l'étude de la physiologie respiratoire du saumon atlantique (Salmo salar L. ) aux différentes étapes critiques de son cycle biologique : influence des variations de salinité ambiante." Brest, 1990. http://www.theses.fr/1990BRES2013.
Повний текст джерелаCourtiol, Emmanuelle. "L'inextricable relation olfaction-respiration chez le rat : études de l'impact des variations de flairages sur l'activité du bulbe olfactif et sur la discrimination des odeurs." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-01070877.
Повний текст джерелаCourtiol, Emmanuelle. "L’inextricable relation olfaction-respiration chez le rat : études de l’impact des variations de flairages sur l’activité du bulbe olfactif et sur la discrimination des odeurs." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10309/document.
Повний текст джерелаIn terrestrial mammals, an inextricable link between olfaction and respiration exists due to the periodic sampling of odorant molecules by inhalation. The features of sniffing (or breathing) constrain both the timing and the intensity of the input to the olfactory structures. But rather than being fixed, sniffing in the bahavingrodent is highly dynamic and varies both in frequency and flow rate. During the firs stage of my PhD, I asked to what extent sniffing parameters (frequency and flow rate) variations could affect the olfactory bulb activity. To address this question, I developped a double tracheotomy protocol in anesthetized rats to precisely control and modify the nasal airflow. In parallel, I recorded oldfactory bulbactivities, single-unit activity and local field potentials. We showed that, at the olfactory bulb level, the neutral representation of an odor is highly modified by sampling variations. In fact both the mitral/tufted cell discharge patterns and local field potentials oscilliations were affected by sniffing variations. In the second stage, we wanted to understand the role of sniffing variations in behaving animals. We hypothesized tha t an animal could adapt its sniffing strategy relative to the quality of the odorant molecules. To test this hypothesis, we developped a tool to record sniffing in a non invasive way, and combined it to an olfactory discrimination task in the rat. We showed that animals not only adapted their sniffing relative to the odorant quality but also to the odorant context. Taken together, these results fit into the broader context of sensory-motor integration
Книги з теми "Respiration variations"
Variations in the ventilatory and lactate thresholds with prolonged aerobic exercise. 1985.
Знайти повний текст джерелаVariations in the ventilatory and lactate thresholds with prolonged aerobic exercise. 1986.
Знайти повний текст джерелаGivnish, Thomas J., K. William Sparks, Steven J. Hunter, and Andrej Pavlovič. Why are plants carnivorous? Cost/benefit analysis, whole-plant growth, and the context-specific advantages of botanical carnivory. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198779841.003.0018.
Повний текст джерелаHill, Geoffrey E. Mitonuclear Ecology. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198818250.001.0001.
Повний текст джерелаЧастини книг з теми "Respiration variations"
Goncharova, O. Yu, G. V. Matyshak, M. M. Udovenko, A. A. Bobrik, and O. V. Semenyuk. "Seasonal and Annual Variations in Soil Respiration of the Artificial Landscapes (Moscow Botanical Garden)." In Springer Geography, 112–22. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89602-1_15.
Повний текст джерелаShigemi, Akita. "Respiration: Variation and Potential for Manipulation." In International Crop Science I, 799–805. Madison, WI, USA: Crop Science Society of America, 2015. http://dx.doi.org/10.2135/1993.internationalcropscience.c127.
Повний текст джерелаAspinwall, Michael J., Thomas E. Juenger, Paul D. Rymer, Alexis Rodgers, and David T. Tissue. "Chapter 6 Intraspecific Variation in Plant Responses to Atmospheric CO2, Temperature, and Water Availability." In Advances in Photosynthesis and Respiration, 133–69. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-64926-5_6.
Повний текст джерелаZhuang, Ziqing, Dennis Slice, Stacey Benson, Douglas Landsittel, and Dennis Viscusi. "Facial Shape Variation of U.S. Respirator Users." In Digital Human Modeling, 578–87. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02809-0_61.
Повний текст джерелаDavidson, Eric A., and N. Michele Holbrook. "Is Temporal Variation of Soil Respiration Linked to the Phenology of Photosynthesis?" In Phenology of Ecosystem Processes, 187–99. New York, NY: Springer New York, 2009. http://dx.doi.org/10.1007/978-1-4419-0026-5_8.
Повний текст джерелаGessler, Arthur, and Juan Pedro Ferrio. "Postphotosynthetic Fractionation in Leaves, Phloem and Stem." In Stable Isotopes in Tree Rings, 381–96. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92698-4_13.
Повний текст джерелаLambers, Hans, and Adrie Van Der Werf. "Variation in the rate of root respiration of two Carex species: A comparison of four related methods to determine the energy requirements for growth, maintenance and ion uptake." In Structural and Functional Aspects of Transport in Roots, 131–35. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-009-0891-8_26.
Повний текст джерелаLuo, Yiqi, and Xuhui Zhou. "Temporal and Spatial Variations in Soil Respiration." In Soil Respiration and the Environment, 107–31. Elsevier, 2006. http://dx.doi.org/10.1016/b978-012088782-8/50006-1.
Повний текст джерелаUrooj, Shabana, M. Khan, and A. Q. Ansari. "Thorax." In Advanced Instrument Engineering, 127–33. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-4165-5.ch009.
Повний текст джерелаPost, Eric. "Ecosystem Function and Dynamics." In Ecology of Climate Change. Princeton University Press, 2013. http://dx.doi.org/10.23943/princeton/9780691148472.003.0008.
Повний текст джерелаТези доповідей конференцій з теми "Respiration variations"
Porta, Alberto, Beatrice Cairo, Beatrice De Maria, and Vlasta Bari. "Complexity of Spontaneous QT Variability Unrelated to RR Variations and Respiration During Graded Orthostatic Challenge." In 2020 Computing in Cardiology Conference. Computing in Cardiology, 2020. http://dx.doi.org/10.22489/cinc.2020.009.
Повний текст джерелаHahm, ChanYoung, SeungMin Lee, and HyunSoon Shin. "Analysis of irregular breathing using respiration-induced intensity variations (RIIV) from photoplethysmography signals for sleep apnea." In 2016 International Conference on Information and Communication Technology Convergence (ICTC). IEEE, 2016. http://dx.doi.org/10.1109/ictc.2016.7763433.
Повний текст джерелаAbraham, John P., Eph M. Sparrow, and Ryan D. Lovik. "Pulsating Fluid Flows Undergoing Transitions Between Laminar, Transitional, and Turbulent Regimes." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206683.
Повний текст джерелаXi Liu, Qingxi Guo, and Jingwei Liu. "Notice of Retraction: Factors causing temporal variations of soil respiration and its components in northeast of China using IBIS model." In 2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC 2011). IEEE, 2011. http://dx.doi.org/10.1109/aimsec.2011.6010566.
Повний текст джерелаHuang, Ni, Zheng Niu, and Li Wang. "Application of HJ-1 CCD data to analyze the growing-season variations of soil respiration in two irrigated cropland ecosystems." In IGARSS 2016 - 2016 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2016. http://dx.doi.org/10.1109/igarss.2016.7729775.
Повний текст джерелаRawat, Monika. "Soil Respiration Variation under the Canopy of Dominant Tree Species across different seasons in Temperate Forest." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0021.
Повний текст джерелаGiorges, Aklilu T. G., and John A. Pierson. "The Cooling Process of Agricultural Products After Boxing and Palletizing." In ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87788.
Повний текст джерелаLei, Zhipeng, and James Yang. "Computing Carbon Dioxide and Humidity in Filtering Facepiece Respirator Cavity During Breathing Cycles." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-34660.
Повний текст джерелаHolman, Beverley F., Vesna Cuplov, Ottavia Bertolli, Ashley M. Groves, Brian F. Hutton, and Kris Thielemans. "Density variation during respiration affects PET quantitation in the lung." In 2015 IEEE Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC). IEEE, 2015. http://dx.doi.org/10.1109/nssmic.2015.7582029.
Повний текст джерелаLeier, Mairo, Gert Jervan, and Wilhelm Stork. "Respiration signal extraction from photoplethysmogram using pulse wave amplitude variation." In ICC 2014 - 2014 IEEE International Conference on Communications. IEEE, 2014. http://dx.doi.org/10.1109/icc.2014.6883869.
Повний текст джерелаЗвіти організацій з теми "Respiration variations"
Cameron, Arthur, Shimshon Ben-Yehoshua, and Rebecca Hernandez. Design and Function of Modified Atmosphere Packaging Systems for Fresh Produce: a Unified Approach for Optimizing Oxygen, Carbon Dioxide and Relative Humidity. United States Department of Agriculture, January 1996. http://dx.doi.org/10.32747/1996.7613019.bard.
Повний текст джерела