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Статті в журналах з теми "Undisturbed environment"
McDowell, J. J., and Marcia L. Caron. "MATCHING IN AN UNDISTURBED NATURAL HUMAN ENVIRONMENT." Journal of the Experimental Analysis of Behavior 93, no. 3 (May 2010): 415–33. http://dx.doi.org/10.1901/jeab.2010.93-415.
Повний текст джерелаNuijens, Louise, Bjorn Stevens, and A. Pier Siebesma. "The Environment of Precipitating Shallow Cumulus Convection." Journal of the Atmospheric Sciences 66, no. 7 (July 1, 2009): 1962–79. http://dx.doi.org/10.1175/2008jas2841.1.
Повний текст джерелаBriard, L., C. Goujarde, C. Bousquet, and A. Dussutour. "Stress signalling in acellular slime moulds and its detection by conspecifics." Philosophical Transactions of the Royal Society B: Biological Sciences 375, no. 1802 (May 18, 2020): 20190470. http://dx.doi.org/10.1098/rstb.2019.0470.
Повний текст джерелаYellajosula, Gayatri, Larry Cihacek, Tim Faller, and Christopher Schauer. "Soil Carbon Change Due to Land Conversion to Grassland in a Semi-Arid Environment." Soil Systems 4, no. 3 (July 16, 2020): 43. http://dx.doi.org/10.3390/soilsystems4030043.
Повний текст джерелаDias, Alesandra Martins, and Francisco Leonardo Tejerina-Garro. "Changes in the structure of fish assemblages in streams along an undisturbed-impacted gradient, upper Paraná River basin, Central Brazil." Neotropical Ichthyology 8, no. 3 (2010): 587–98. http://dx.doi.org/10.1590/s1679-62252010000300003.
Повний текст джерелаMalash, Kateryna Mykolaiivna, and Andrii Bomba. "Modelling of an explosion impact on a deformable medium with rigid inclusions with quasiconformal mappings methods." Modeling, Control and Information Technologies, no. 4 (October 22, 2020): 19–22. http://dx.doi.org/10.31713/mcit.2020.04.
Повний текст джерелаÁlvarez, Alberto, W. Owen McMillan, Néstor Pérez-Buitrago, Alberto Sabat, and Miguel García. "Spatial ecology of the Mona Island iguana Cyclura cornuta stejnegeri in an undisturbed environment." Applied Herpetology 4, no. 4 (2007): 347–55. http://dx.doi.org/10.1163/157075407782424575.
Повний текст джерелаKullberg, Russell G. "Decreased diversity caused by differential inhibition among artificial phytoplankton communities in an undisturbed environment." European Journal of Phycology 30, no. 4 (November 1995): 267–72. http://dx.doi.org/10.1080/09670269500651041.
Повний текст джерелаScheltema, MA, LK Abbott, and AD Robson. "Seasonal variation in the infectivity of VA mycorrhizal fungi in annual pastures in a Mediterranean environment." Australian Journal of Agricultural Research 38, no. 4 (1987): 707. http://dx.doi.org/10.1071/ar9870707.
Повний текст джерелаSazanova, K. V. "STATISTICAL MODELS OF THE METABOLOME OF LITHOBIONTIC COMMUNITIES IN NATURAL AND URBANIZED CONDITIONS." Ecology. Economy. Informatics.System analysis and mathematical modeling of ecological and economic systems 1, no. 6 (2021): 155–60. http://dx.doi.org/10.23885/2500-395x-2021-1-6-155-160.
Повний текст джерелаДисертації з теми "Undisturbed environment"
Steinvall, Konrad. "Deriving the Undisturbed Near-surface Lunar Electric Field : Simulations of the electrostatic environment of the Umeå Lunar Venture electric field instrument." Thesis, Umeå universitet, Institutionen för fysik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-136268.
Повний текст джерелаXu, Youjie. "Dust emissions from undisturbed and disturbed soils: effects of off-road military vehicles." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18726.
Повний текст джерелаDepartment of Biological & Agricultural Engineering
Ronaldo G. Maghirang
Military training lands can be significant sources of fugitive dust emissions due to wind erosion. This study was conducted to determine dust emission potential of soils due to wind erosion as affected by off-road military vehicle disturbance. Multi-pass traffic experiments using two types of vehicles (i.e., wheeled and tracked) were conducted on six soil textures at four military training facilities: Fort Riley, KS; Fort Benning, GA; Yakima Training Center, WA; and White Sands Missile Range (WSMR), NM. Prior to and after the preselected number of vehicle passes, soil samples at three locations were collected with minimum disturbance into trays. Adjacent to the location where tray samples were collected, a Portable In-Situ Wind Erosion Lab (PI-SWERL) was used to measure dust emission potential. The tray samples were tested in a laboratory wind tunnel (with sand abrader) for dust emission potential using a GRIMM aerosol spectrometer and gravimetric method with filters. Comparison of the PI-SWERL (with DustTrak™ dust monitor) and wind tunnel (with GRIMM aerosol spectrometer) measurement results showed significant difference in measured values but high correlation, particularly for soils with high sand content. Wind tunnel tests results showed that sampling locations significantly affected dust emissions for the tracked vehicles but not for the light-wheeled and heavy-wheeled vehicles. Also, soil texture, number of vehicle passes, and vehicle type significantly affected dust emissions. For the light-wheeled vehicles, dust emissions increased as the number of vehicle passes increased. From undisturbed conditions to 10 vehicle passes, there was a significant (P<0.05) increase in dust emissions (297%) on average for all light-wheeled vehicle tests. From 10 to 25 passes and 25 to 50 passes, an additional 52% and 62% increments were observed. For the tracked vehicle, for the straight section sampling location, dust emission increased as the number of vehicle passes increased. However, for the curve section, dust emissions at any level of pass were significantly higher than initial condition; beyond the first pass, no significant increase was observed.
Angliviel, de La Beaumelle Axel Christian Luc. "Evaluation of SHANSEP strenth-deformation properties of undisturbed Boston blue clay from automated triaxial testing." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/34311.
Повний текст джерелаIncludes bibliographical references (v. 1, leaves 250-252).
by Axel Christian Luc Angliviel de La Beaumelle.
M.S.
Wood, James Lindley. "Peatland Communities and Environmental Parameters in an Undisturbed Boreal Poor Fen and a Comparison with Haul Road Disturbances." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/272.
Повний текст джерелаChoubedar, Feraidoun. "The use of radio-nuclides (unsupported 210Pb, 7Be and 137Cs) in air, rain and undisturbed soil as environmental tools." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/13381.
Повний текст джерелаGarbark, Christopher J. "The Relationship of Red-Backed Salamander Abundance to the Direct and Indirect Use Value of Undisturbed Forest, a Timberland Mosaic of Forest, and Agriculture Land-Uses." Thesis, Indiana University of Pennsylvania, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13810330.
Повний текст джерелаPlethodon salamanders may serve as important indicators of forest ecosystem integrity due to their niche, physiological sensitivity, abundance, site fidelity, and association with forest structures. Forest ecosystems provide direct and indirect services and products that benefit society. Monitoring the quality and status of these direct and indirect use values is important to manage and maximize the benefit to people. An ecological indicator is something that may indicate the state of a system. Indicators are widely used in a variety of fields including forestry, economics, and environmental management to monitor the state of desired systems. The IndVal method is a statistical analysis used to determine the efficacy of a species as an indicator species, by determining the association between the species of interest and site groups or habitats. I sought to determine if the red-backed salamander is an indicator of forests based on the IndVal method, and if the red-backed salamander may be used as an indicator of use values. I hypothesized that red-backed salamanders may be used as an indicator of standing mature forested areas. I hypothesized that salamander abundance would be highest in forested areas and may act as an indicator species of forest habitats. I hypothesized that red-backed salamander abundance would have a positive correlation with indirect use values and a negative correlation with direct use values. The study area consisted of Forestland, Timberland, and Agriculture land-uses within northwestern Pennsylvania. I used visual encounter surveys and drift fences for capturing of red-backed salamanders (Plethodon cinereus) for abundance estimates. Visual encounter surveys were done within area constrained (10 × 10m) plots and a time constraint of roughly 30 minutes. I measured environmental variables within each plot. An N-mixture model of P. cinereus was used to estimate abundance based on repeated counts data. I used a principal components analysis (PCA) to determine which environmental variables were associated with study sites. I used a Kruskal-Wallis test and post-hoc Dunn’s test to determine differences between land-use in red-backed salamander abundance. I applied the IndVal method to red-backed salamander abundance in association to land-use and habitat. I estimated indirect use values through cost replacement methods for water purification, water cycling production, nitrate treatment, and soil erosion. I obtained direct use values through land-owners and the U.S. Forest Service archives, which the cost of production and gross value of production were used to determine the net and gross value. I used a Spearman’s Rank correlation to determine the relationship between red-backed salamander abundance and the direct and indirect use values of land-uses. The PCA 1 axis described an environmental gradient of closed to open canopy. Forestland sites had the lowest sunlight values, Agriculture having the highest, and Timberland intermediate between the two. Canopy percent cover was the most informative variable in the N-mixture model. Red-backed salamander abundance was greatest, mean = 434, on Forestland sites and was significantly (p-value < 0.05) different from Timberland and Agriculture. The red-backed salamander was highly associated with Forestland with an indicator species value of 0.876, and 0.972 for forests. Red-backed salamanders held a significant strong positive relationship with indirect use values, rho = 0.84. P. cinereus abundance had a significant strong negative relationship with gross direct use values, rho = –0.95, and net direct use values, rho = –0.92. The strong correlation between P. cinereus abundance and indirect use values suggest that red-backed salamander abundance may have applications as an indicator of indirect use values for forest ecosystems.
Silva, Joyce Tatiane Rodrigues da. "Chuva de sementes em ambientes perturbados e não-perturbados na Floresta de Mata Atlântica do sul da Bahia, Brasil." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-24072008-170722/.
Повний текст джерелаThe disturbance level to which a forest is exposed to may affect its dynamics, modifying the recruits sources. The main mechanisms of forest natural regeneration is seed rain (dispersion), soil seed bank and seedlings establishment. This study aims to analyze seed rain within fire and natural (gaps) disturbed areas and sites with no sign of recent disturb at Atlantic Forests of South Bahia. Sampling was taken monthly through seed rain collectors located under gaps, understorey and fire disturbed areas, in a total of 144 0,5x0,5 m collectors. Although seed rain sampling was continuous, fluctuations were noticed for distinct seasonal periods and environments. A total of 41.910 seeds were sampled, representing 198 morfo-species; 120 were identified and classified into 31 botanical families and 57 genera. The remaining 78 morfo-species were represented by 256 seeds or 0,6% of total sampled seeds. The lower quantities of seeds were observed within gaps environments (7.555 seeds, representing 1,25 seeds/m²/day), while the higher amounts were observed for the fire disturbed areas (13.656 seeds or 2,17 seeds/m²/day). No significant differences were found regarding anemochoric species occurrence between gaps and understorey environments. Similarities were found between fire disturbed areas (MP) and their surrounding understorey environments (SB) and also between gaps (C) and understorey close to fire disturbed areas (SB). The periods of seeds deposition higher rate had been mainly concentrated in the middle of the year for practically all environments. Seed rain was characterized by few species that produced around 98% of the total amount of sampled seeds, with most of the species being represented by few seeds during this study. The dominant species were represented by three native pioneer tree species: Miconia mirabilis, Cecropia pachystachya and Henriettea succosa. A more detailed analysis of the seed rain revealed that Miconia mirabilis and Cecropia pachystachya have an annual deposition pattern, suggesting that these species have a defined phenology, with long periods of seeds deposition along a year. Henriettea succosa presented the most homogeneous distribution among the observed environments, with higher levels of deposition during April 1999. Further studies are needed to understand the observed patterns of this study, especially on M. mirabilis and C. pachystachya phenology.
Muller, Heike K. "Laboratory study of chromium sorption and desorption in undisturbed soil." Thesis, 1992. http://hdl.handle.net/1957/36308.
Повний текст джерелаКниги з теми "Undisturbed environment"
Beylich, Achim A., John C. Dixon, and Zbigniew Zwolinski, eds. Source-to-Sink Fluxes in Undisturbed Cold Environments. Cambridge: Cambridge University Press, 2016. http://dx.doi.org/10.1017/cbo9781107705791.
Повний текст джерелаSource-To-Sink-Fluxes in Undisturbed Cold Environments. Cambridge University Press, 2016.
Знайти повний текст джерелаZbigniew Zwoliński, John C. Dixon, and Achim A. Beylich. Source-To-Sink Fluxes in Undisturbed Cold Environments. Cambridge University Press, 2016.
Знайти повний текст джерелаDixon, John C., Achim A. Beylich, and Zbigniew Zwoliński. Source-To-Sink Fluxes in Undisturbed Cold Environments. Cambridge University Press, 2016.
Знайти повний текст джерелаL, Mosko Timothy, and Intermountain Research Station (Ogden, Utah), eds. Streamflow data for undisturbed, forested watersheds in central Idaho. Ogden, UT (324 25th Street, Ogden 84401): U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1990.
Знайти повний текст джерелаMüller, Heike K. Laboratory study of chromium sorption and desorption in undisturbed soil. 1992.
Знайти повний текст джерелаЧастини книг з теми "Undisturbed environment"
Císlerová, Milena, Tomáš Vogel, Jana Votrubová, and Alice Robovská. "Searching below thresholds: Tracing the origins of preferential flow within undisturbed soil samples." In Environmental Mechanics: Water, Mass and Energy Transfer in the Biosphere, 265–74. Washington, D. C.: American Geophysical Union, 2002. http://dx.doi.org/10.1029/129gm22.
Повний текст джерелаAlewell, C., E. Matzner, and A. Lükewille. "Reversibility of Soil Acidification by Reduction of Acid Input: An Experiment with Undisturbed Soil Columns." In Responses of Forest Ecosystems to Environmental Changes, 789–90. Dordrecht: Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2866-7_163.
Повний текст джерелаXu, Shicheng, Haijun Lu, Dinggang Li, Jixiang Li, and Weiwei Wang. "Experimental Study on the Compression and Pore Characteristics of Undisturbed Loess Polluted by Landfill Leachate." In Proceedings of the 8th International Congress on Environmental Geotechnics Volume 2, 145–53. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-2224-2_18.
Повний текст джерела"Challenges for Diadromous Fishes in a Dynamic Global Environment." In Challenges for Diadromous Fishes in a Dynamic Global Environment, edited by Daniele Bevacqua, Paco Melià, Alain J. Crivelli, Marino Gatto, and Giulio A. De Leo. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874080.ch40.
Повний текст джерелаZhang, G., and H. Wu. "Characteristics of pore water pressure and deformation of an undisturbed sandy clay under high pressure triaxial unloading test." In Global View of Engineering Geology and the Environment, 777–82. CRC Press, 2013. http://dx.doi.org/10.1201/b15794-124.
Повний текст джерелаBenarroch, Eduardo E., Jeremy K. Cutsforth-Gregory, and Kelly D. Flemming. "Ventricular and Cerebrospinal Fluid System." In Mayo Clinic Medical Neurosciences, edited by Eduardo E. Benarroch, Jeremy K. Cutsforth-Gregory, and Kelly D. Flemming, 409–34. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190209407.003.0012.
Повний текст джерелаMcFarland, Ben. "The Triple-Point Planet." In A World From Dust. Oxford University Press, 2016. http://dx.doi.org/10.1093/oso/9780190275013.003.0008.
Повний текст джерелаVal, Pedro, Jorge Figueiredo, Gustavo Melo, Suzette Flantua, Carlos Alberto Quesada, Ying Fan Reinfelder, James S. Albert, Juan Manuel Guayasamin, and Carina Hoorn. "Chapter 1: Geology and geodiversity of the Amazon: Three billion years of history." In Amazon Assessment Report 2021. UN Sustainable Development Solutions Network (SDSN), 2021. http://dx.doi.org/10.55161/pofe6241.
Повний текст джерелаPrice, Trevor. "Species across Space." In Ecology of a Changed World, 273—C26.P20. Oxford University PressNew York, 2022. http://dx.doi.org/10.1093/oso/9780197564172.003.0026.
Повний текст джерелаRowlands, Mark. "The Wildwood." In World on Fire, 226–38. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780197541890.003.0012.
Повний текст джерелаТези доповідей конференцій з теми "Undisturbed environment"
Tian, Wei, Yongmei Qian, Xiaopen Su, and Ruozhu Wang. "Test method of damage mechanism of the half-section concrete expanded-plates pile with undisturbed soil model." In 2016 International Forum on Energy, Environment and Sustainable Development. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/ifeesd-16.2016.50.
Повний текст джерелаTian, Wei, Yongmei Qian, Tongjiang Lu, and Ruozhu Wang. "The undisturbed soil experiment of the comparison about the failure of the half and whole cross-section piles under the resistance compression." In 2016 International Forum on Energy, Environment and Sustainable Development. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/ifeesd-16.2016.51.
Повний текст джерелаHe, Yueru. "Constructive Exploration of Transforming STEM Library Group Study Room into Individual Study Room." In 2020 4th International Conference on Informatization in Education, Management and Business. Clausius Scientific Press, 2020. http://dx.doi.org/10.23977/iemb2020003.
Повний текст джерелаYap, Choon Hwai, Neelakantan Saikrishnan, Gowthami Tamilselvan, and Ajit P. Yoganathan. "Fluid Shear Stress Characteristics of the Ventricular Surface Versus the Aortic Surface of the Aortic Valve: An In Vitro Study." In ASME 2011 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2011. http://dx.doi.org/10.1115/sbc2011-53931.
Повний текст джерелаBudimir, Vjekoslav, Armin Roduner, and Helene Hofmann. "Slope stabilisation using high-tensile stainless-steel wire mesh." In 6th International Conference on Road and Rail Infrastructure. University of Zagreb Faculty of Civil Engineering, 2021. http://dx.doi.org/10.5592/co/cetra.2020.1106.
Повний текст джерелаYamamoto, Marcio, Sotaro Masanobu, Joji Yamamoto, Katsuo Ban, Masayuki Ikenobu, Tamotsu Izumida, and Takashi Sakamoto. "Numerical Analysis of VIV on Drillstring During CPT in Shallow High-Current Sea." In ASME 2019 2nd International Offshore Wind Technical Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/iowtc2019-7534.
Повний текст джерелаSungur, Zerrin. "Social Impact of Sustainable Ecotourism: Cases from Turkey." In International Conference on Eurasian Economies. Eurasian Economists Association, 2012. http://dx.doi.org/10.36880/c03.00522.
Повний текст джерелаBasle, Nuša, Sonja Lebe, and Borut Milfelner. "Strengthening Guests’ Perceived Value Through Restaurants’ Innovativeness, Creativity, Sustainability and Local Features." In Challenges in Economics and Business in the Post-COVID Times. University of Maribor Press, 2022. http://dx.doi.org/10.18690/um.epf.5.2022.34.
Повний текст джерелаZhang, Qiong. "The Vertical Leaching Migration Research on 137Cs in Soil Around Shidaowan Plant of CAP1400." In 2021 28th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/icone28-64641.
Повний текст джерелаPajic, Tanja, Natasa Todorovic, Dunja Stefanovic, Mihailo D. Rabasovic, Aleksandar Krmpot, and Miroslav Zivic. "THE INFLUENCE OF SELENITE ON FILLAMENTOUS FUNGI HYPHA MORPHOMETRY PARAMETERS." In 1st INTERNATIONAL Conference on Chemo and BioInformatics. Institute for Information Technologies, University of Kragujevac, 2021. http://dx.doi.org/10.46793/iccbi21.308p.
Повний текст джерелаЗвіти організацій з теми "Undisturbed environment"
Nimz, G., M. W. Caffee, and J. McAninch. Hydrologic and geochemical controls on the transport of radionuclides in natural undisturbed arid environments as determined by accelerator mass spectrometry measurements. Office of Scientific and Technical Information (OSTI), April 2000. http://dx.doi.org/10.2172/15013403.
Повний текст джерелаNimz, Gregory J., Marc W. Caffee, and Jeffrey McAninch. Hydrologic and Geochemical Controls on the Transport of Radionuclides in Natural Undisturbed Arid Environments as Determined by Accelerator Mass Spectrometry Measurements. Office of Scientific and Technical Information (OSTI), December 1999. http://dx.doi.org/10.2172/827420.
Повний текст джерелаMann, F. M. Computer code selection criteria for flow and transport code(s) to be used in undisturbed vadose zone calculations for TWRS environmental analyses. Office of Scientific and Technical Information (OSTI), January 1998. http://dx.doi.org/10.2172/10154262.
Повний текст джерелаNimz, G. J., M. W. Caffee, R. C. Finkel, and J. E. McAninch. Hydrologic and geochemical controls on the transport of radionuclides in natural undisturbed arid environments as determined by accelerator mass spectrometry measurements. 1997 annual progress report. Office of Scientific and Technical Information (OSTI), January 1997. http://dx.doi.org/10.2172/13540.
Повний текст джерелаNimz, G., M. Caffee, R. Finkel, and J. McAninch. Hydrologic and geochemical controls on the transport of radionuclides in natural undisturbed arid environments as determined by accelerator mass spectrometry measurements. 1998 annual progress report. Office of Scientific and Technical Information (OSTI), June 1998. http://dx.doi.org/10.2172/13541.
Повний текст джерелаVOOGD, J. A. Recommendations for computer code selection of a flow and transport code to be used in undisturbed vadose zone calculations for TWRS immobilized environmental analyses. Office of Scientific and Technical Information (OSTI), April 1999. http://dx.doi.org/10.2172/781694.
Повний текст джерелаClausen, Jay, Susan Frankenstein, Jason Dorvee, Austin Workman, Blaine Morriss, Keran Claffey, Terrance Sobecki, et al. Spatial and temporal variance of soil and meteorological properties affecting sensor performance—Phase 2. Engineer Research and Development Center (U.S.), September 2021. http://dx.doi.org/10.21079/11681/41780.
Повний текст джерелаRusso, David, and William A. Jury. Characterization of Preferential Flow in Spatially Variable Unsaturated Field Soils. United States Department of Agriculture, October 2001. http://dx.doi.org/10.32747/2001.7580681.bard.
Повний текст джерела