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Rozprawy doktorskie na temat „Canopy structure”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Burlison, Alison Jean. "Sward canopy structure and ingestive behaviour in grazing animals." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/27546.

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McWilliam, Simon Charles. "Plant establishment, canopy structure and yield formation in oilseed rape." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243684.

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Mohd, Yusah Kalsum binti. "Ant community structure in the high canopy of lowland dipterocarp forest." Thesis, University of Cambridge, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.609653.

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4

Newell, Felicity L. "A Bird’s Eye View of the Forest: How Does Canopy Openness Affect Canopy Songbirds?" The Ohio State University, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=osu1276875484.

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5

Joys, Andrew Colin. "Determinants of songbird community structure in a woodland environment : coppice in lowland Europe." Thesis, University of East Anglia, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.251560.

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6

Lee, Alex C., and alexanderlee@aapt net au. "Utilising airborne scanning laser (LiDAR) to improve the assessment of Australian native forest structure." The Australian National University. Fenner School of Environment and Society, 2008. http://thesis.anu.edu.au./public/adt-ANU20090127.222600.

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Enhanced understanding of forest stocks and dynamics can be gained through improved forest measurement, which is required to assist with sustainable forest management decisions, meet Australian and international reporting needs, and improve research efforts to better respond to a changing climate. Integrated sampling schemes that utilise a multi-scale approach, with a range of data sourced from both field and remote sensing, have been identified as a way to generate the required forest information. Given the multi-scale approach proposed by these schemes, it is important to understand how sc

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7

Seed, Evan D. "Retrieval of forest canopy structure from high-resolution airborne digital camera imagery." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape15/PQDD_0005/MQ36848.pdf.

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8

Goff, Bruce Franklin. "Dynamics of canopy structure and soil surface cover in a semiarid grassland." Thesis, The University of Arizona, 1985. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu_e9791_1985_503_sip1_w.pdf&type=application/pdf.

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9

Van, Leeuwen Martin. "Using forest structure to model vertical variations of canopy radiation and productivity." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/45732.

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The productivity of autotrophic organisms affects all life on Earth; hence, gaining insight in the variability of autotrophic productivity has received significant research interest. At cell to organism level, much knowledge has been gained under controlled conditions through laboratory analysis. At the stand level and beyond, control over the driving variables is limited, and hence experiments have relied on extensive time series, and geospatial analysis to observe changes in productivity across a wide range of environmental conditions. Significant technologies at these scales are eddy covari

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10

Houldcroft, Caroline. "Measuring and modelling the surface temperature and structure of a maize canopy." Thesis, University of Reading, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408336.

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11

Serra-Stepke, Ignacio M. "Influence of soil parameters and canopy structure on root growth and distribution." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/4184.

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Thesis (MScAgric (Viticulture and Oenology))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: Because of long-term climate changes, apparently associated with higher temperatures and fewer rainfall events, factors such as water-use efficiency and site selection for new cultivars are a matter of increasing importance for viticulture. Within this context, the root system is expected to play a key role. Its relevance to grapevine functioning is due to the numerous functions in which it is involved. In the light of this, the development of the root system is highly relevant to the viti

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12

Henning, Jason Gregory. "Modeling Forest Canopy Distribution from Ground-Based Laser Scanner Data." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/28431.

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A commercially available, tripod mounted, ground-based laser scanner was used to assess forest canopies and measure individual tree parameters. The instrument is comparable to scanning airborne light detection and ranging (lidar) technology but gathers data at higher resolution over a more limited scale. The raw data consist of a series of range measurements to visible surfaces taken at known angles relative to the scanner. Data were translated into three dimensional (3D) point clouds with points corresponding to surfaces visible from the scanner vantage point. A 20 m x 40 m permanent plot loc

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13

Gaulton, Rachel. "Remote sensing for continuous cover forestry : quantifying spatial structure and canopy gap distribution." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/3419.

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The conversion of UK even-aged conifer plantations to continuous cover forestry (CCF), a form of forest management that maintains forest cover over time and avoids clear-cutting, requires more frequent and spatially explicit monitoring of forest structure than traditional systems. Key aims of CCF management are to increase the spatial heterogeneity of forest stands and to make increased use of natural regeneration, but judging success in meeting these objectives and allowing an adaptive approach to management requires information on spatial structure at a within-stand scale. Airborne remote se

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14

Pauthenet, Martin. "Macroscopic model and numerical simulation of elastic canopy flows." Thesis, Toulouse, INPT, 2018. http://www.theses.fr/2018INPT0072/document.

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On étudie l'écoulement turbulent d'un fluide sur une canopée, que l'on modélise comme un milieu poreux déformable. Ce milieu poreux est en fait composé d'un tapis de fibres susceptibles de se courber sous la charge hydrodynamique du fluide, et ainsi de créer un couplage fluide-structure à l'échelle d'une hauteur de fibre (honami). L'objectif de la thèse est de développer un modèle macroscopique de cette interaction fluide-structure, afin d'en réaliser des simulations numériques. Une approche numérique de simulation aux grandes échelles est donc mise en place pour capturer les grandes structure

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15

Bidin, Kawi. "Spatio-temporal variability in rainfall and wet-canopy evaporation within a small catchment recovering from selective tropical forestry." Thesis, Lancaster University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369023.

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16

Wiechers, Dirk [Verfasser]. "Influence of canopy structure on light interception and productivity of greenhouse cucumber / Dirk Wiechers." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2011. http://d-nb.info/1019567597/34.

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17

Soenen, Scott, and University of Lethbridge Faculty of Arts and Science. "Remote sensing of montane forest structure and biomass : a canopy relectance model inversion approach." Thesis, Lethbridge, Alta. : University of Lethbridge, Faculty of Arts and Science, 2006, 2006. http://hdl.handle.net/10133/281.

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The multiple-forward-mode (MFM) inversion procedure is a set of methods for indirect canopy relectance model inversion using look-up tables (LUT). This thesis refines the MFM technique with regard to: 1) model parameterization for the MFM canopy reflectance model executions and 2) methods for limiting or describing multiple solutions. Forest stand structure estimates from the inversion were evaluated using 40 field validation sites in the Canadian Rocky Mountains. Estimates of horizontal and vertical crown radius were within 0.5m and 0.9m RMSE for both conifer and deciduous species. Density es

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18

Smith, Marielle N., and Marielle N. Smith. "Responses of Tropical Forest Canopy Structure and Function to Seasonal and Interannual Variations in Climate." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/623027.

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Understanding how structure and function change across environmental gradients is a fundamental goal of ecology, with important applications in a changing world. In this dissertation, I explore how environmental variations in temperature and precipitation affect three-dimensional canopy structure, and how this, in turn, affects forest function. Characterising how climatic variations affect forest structure and function is particularly important in tropical forests, which are globally important carbon stores that have already shown vulnerability to climate change. The future of tropical forest

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19

Brantley, Steven. "CONSEQUENCES OF SHRUB ENCROACHMENT: LINKING CHANGES IN CANOPY STRUCTURE TO SHIFTS IN THE RESOURCE ENVIRONMENT." VCU Scholars Compass, 2009. http://scholarscompass.vcu.edu/etd/1686.

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Shrub expansion in herbaceous ecosystems is emerging as an important ecological response to global change, especially in mesic systems where increases in canopy biomass are greatest. Two consequences of woody encroachment are increases in belowground resources, such as carbon and nitrogen, and reductions in above-ground resources such as light, which affect diversity, community trajectory, and ecosystem function. My objective was to determine how expansion of the nitrogen-fixing shrub Morella cerifera affected the resource environment across a chronosequence of shrub expansion on a Virginia

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20

Scheuermann, Cynthia M. "Forest Stand Structure and Primary Production in relation to Ecosystem Development, Disturbance, and Canopy Composition." VCU Scholars Compass, 2016. http://scholarscompass.vcu.edu/etd/4653.

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Temperate forests are complex ecosystems that sequester carbon (C) in biomass. C storage is related to ecosystem-scale forest structure, changing over succession, disturbance, and with community composition. We quantified ecosystem biological and physical structure in two forest chronosequences varying in disturbance intensity, and three late successional functional types to examine how multiple structural expressions relate to ecosystem C cycling. We quantified C cycling as wood net primary production (NPP), ecosystem structure as Simpson’s Index, and physical structure as leaf quantity (LAI)

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21

Stark, Scott C. "On the Mechanistic Connection of Forest Canopy Structure with Productivity and Demography in the Amazon." Diss., The University of Arizona, 2012. http://hdl.handle.net/10150/265347.

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Canopy structure has long been thought to influence the productivity and ecological dynamics of tropical forests by altering the availability of light to leaves. Theories and methods that can connect detailed quantitative observations of canopy structure with forest dynamics, however, have been lacking. There is urgent need to resolve this uncertainty because human-caused climate change may alter canopy structure and function in the Amazon. This work addresses this problem by, first, developing methods based on LiDAR remote sensing of fine-scale structural variation to predict the spatial s

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22

Addessi, Andrew David. "Urban Impacts to Forest Productivity, Soil Quality, and Canopy Structure in Forest Park, Portland, Oregon." PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3881.

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Land use practices and exposure to low impact disturbances associated with an urban environment can alter forest structure and function. Past and ongoing research in Forest Park, a large urban forest in Portland, Oregon, suggests that mature mixed Douglas-fir (Psuedotsuga meziesii)-hardwood stands in the more urban end of the park lack a shade-tolerant conifer understory composed of the late successional conifer tree species, such western hemlock (Tsuga heterophylla) and western red-cedar (Thuja plicata). 5-year plot remeasurement data that characterizes productivity and mortality patterns did

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23

Kim, Do-Soon. "Modelling herbicide and nitrogen effects on crop-weed competition." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302155.

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Landenberger, Cedric Edwin. "Mixed-mesophytic forest understory communities and edge effect the role of canopy gaps in edge composition and structure /." Morgantown, W. Va. : [West Virginia University Libraries], 1999. http://etd.wvu.edu/templates/showETD.cfm?recnum=1198.

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Thesis (Ph. D.)--West Virginia University, 1999.<br>Title from document title page. Document formatted into pages; contains x, 173 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 163-169).

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25

Considine, Cody Douglas. "Fire History and Current Stand Structure Analysis of a Midwestern Black Oak Sand Savanna." OpenSIUC, 2009. https://opensiuc.lib.siu.edu/theses/91.

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Management and restoration of black oak dominated sand savannas often rely on historic vegetative descriptions (settler accounts, surveyor notes, aerial photographs). It is commonly assumed that fire alone maintains savanna structure and composition, however little information is known about the specific fire frequency needed to maintain these systems. The objective of this study was to quantify and correlate characteristics of stand structure with fire history of the Kankakee Sands savannas in northeastern Illinois. Fire history chronologies were determined through dendrochronological methods

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26

Fotis, Alexander T. "Exploring canopy structure and function as a potential mechanism of sustained carbon sequestration in aging forests." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1503231521023889.

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Brown, Peter Leonard. "Stand structure, canopy architecture and thinning response in mature Queensland maple (Flindersia brayleyana F. Muell.) plantations /." St. Lucia, Qld, 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16432.pdf.

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Riley, Alyssa J. "Effects of riparian woody vegetation encroachment on prairie stream structure and function with emphasis on whole-stream metabolism." Diss., Kansas State University, 2011. http://hdl.handle.net/2097/8545.

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Doctor of Philosophy<br>Department of Biology<br>Walter K. Dodds<br>Much of the North American tallgrass prairie ecosystem has been converted to cropland or urbanized. One threat to the remaining prairie ecosystems, and the streams within, is woody vegetation encroachment. Stream productivity, measured as metabolism, is a fundamental process comprised of gross primary production (GPP) and (CR) community respiration. Understanding GPP and CR is important because these processes are vital to ecosystem function and can be impacted by a change in canopy cover. First, I investigated improvements in

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29

Brodhead, Katherine May. "The influence of riparian-canopy structure and coverage on the breeding distribution of the southwestern willow flycatcher." Thesis, Connect to this title online Connect to this title online (alternative address), 2005. http://www.montana.edu/etd/available/brodhead%5F0805.html.

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Thesis (M.S.)--Montana State University--Bozeman, 2005.<br>Title from PDF t.p. (viewed on June 10, 2006). Chairperson, Graduate Committee: Richard J. Aspinall. Includes bibliographical references (p. 93-105).

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Desabrais, Kenneth J. "Velocity field measurements in the near wake of a parachute canopy." Link to electronic thesis, 2002. http://www.wpi.edu/Pubs/ETD/Available/etd-0426102-134658.

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Thesis (Ph. D.)--Worcester Polytechnic Institute.<br>Keywords: parachute shedding characteristics; near wake evolution; parachute inflation; canopy breathing; velocity field measurements. Includes bibliographical references (p. 126-131).

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Pedroso, Gabriel Baracat. "Forage accumulation and nutritive value, canopy structure and grazing losses on Mulato II brachiariagrass under continuous and rotational stocking." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11139/tde-10102018-135506/.

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Regardless of studies demonstrating that continuous and rotational stocking can promote equivalent animal productivities, rotational stocking is still commonly associated with the idea of intensification of production systems. Moreover, studies evaluating agronomic responses of plants to stocking methods are scarce. The objectives of the present study were to explain the effects of three stocking methods (continuous stocking - CS, lenient rotational stocking - LRS, and severe rotational stocking - SRS), combined by factorial combinations with two mean canopy heights (20 and 30 cm), on forage a

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Alexander, M. Ross, and M. Ross Alexander. "Determining the Role of Stand Structure in Shaping Climate-Growth Relationships in Eastern Temperate Forests of the US." Diss., The University of Arizona, 2017. http://hdl.handle.net/10150/624527.

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Forests play an integral role in regulating the exchange of carbon between the atmosphere and the terrestrial biosphere. These ecosystems only cover for about 30% of the land surface, forests account for almost half of the annual carbon uptake. The amount of carbon sequestered by forest ecosystems is largely dependent upon favorable climate conditions that promote increases in growth. Under the lowest emissions scenario, the United States is projected to undergo an almost 2˚C increase in temperature by the end of the century and it is important that we assess the contemporary climate-growth

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33

Battaglia, Michael Anthony. "The Influence of Overstory Structure on Understory Light Availability in a Longleaf Pine (Pinus palustris Mill.) Forest." Thesis, Virginia Tech, 2000. http://hdl.handle.net/10919/35411.

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Understory light environments are inherently heterogeneous and therefore difficult to characterize. Numerous methods to measure understory light have been assessed in closed-canopied forests; however, the reliability of these methods has not been addressed for open-canopied forests. Therefore, the first objective of this study, presented in Chapter 3, was to test the accuracy and precision of various light measurement techniques at different time scales and sky conditions. The methods assessed performed differently depending on the sky condition and time of year when the sample was taken.

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34

Bohlman, Stephanie Ann. "The relationship between canopy structure, light dynamics and deciduousness in a seasonal tropical forest in Panama : a multiple scale study using remote sensing and allometry /." Thesis, Connect to this title online; UW restricted, 2004. http://hdl.handle.net/1773/5509.

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Bastos, Alex Souza. "ANALYSIS OF SIGNAL INTERRUPTION PROBABILITY FOR GNSS UTILIZATION IN FOREST CONDITIONS." Kyoto University, 2013. http://hdl.handle.net/2433/180519.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第17902号<br>農博第2025号<br>新制||農||1017(附属図書館)<br>学位論文||H25||N4798(農学部図書室)<br>30722<br>京都大学大学院農学研究科森林科学専攻<br>(主査)教授德地直子, 教授吉岡崇仁, 准教授長谷川尚史<br>学位規則第4条第1項該当

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36

Ostrom, Bradford J. Loewenstein Edward F. "Effect of forest structure on the understory light environment and growth potential of oak seedlings in a closed canopy riparian forest." Auburn, Ala., 2005. http://repo.lib.auburn.edu/2005%20Fall/Thesis/OSTROM_BRADFORD_23.pdf.

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37

Hansen, Christopher Felix. "Lidar Remote Sensing Of Forest Canopy Structure: An Assessment Of The Accuracy Of Lidar And Its Relationship To Higher Trophic Levels." ScholarWorks @ UVM, 2015. http://scholarworks.uvm.edu/graddis/356.

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Light detection and ranging (LiDAR) data can provide detailed information about three-dimensional forest horizontal and vertical structure that is important to forest productivity and wildlife habitat. Indeed, LiDAR data have been shown to provide accurate estimates to forest structural parameters and measures of higher trophic levels (e.g., avian abundance and diversity). However, links between forest structure and tree function have not been evaluated using LiDAR. This study was designed and scaled to assess the relationship of LiDAR to multiple aspects of forest structure and higher trophic

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38

Goulamoussene, Youven. "Variabilité de la structure de la canopée en forêt tropicale humide : l’apport de la très haute résolution spatiale en Guyane Française." Thesis, Guyane, 2016. http://www.theses.fr/2016YANE0006/document.

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La Guyane française est une région située sur le Plateau des Guyanes en Amérique du sud. Elle présente à la fois une grande originalité en termes de biodiversité, un bon état de conservation et une forte contribution au stock de carbone Amazonien. Les connaissances sur l’évolution de la structure forestière de la Guyane française restent cependant insuffisantes pour offrir une gestion optimale à l’échelle du territoire. La disponibilité sans précédent de données de télédétection à très haute résolution spatiale telles que le LiDAR , sur de larges couvertures nous offre l'opportunité d’évaluer

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Gerard, France. "Remote sensing of tropical forests : the importance of shadow patters and multi-angle viewing in extracting canopy gap and forest structure information." Thesis, University of Leicester, 2000. http://hdl.handle.net/2381/30389.

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This thesis examines principles surrounding the use of multi-angle remote sensing to exploit effects of canopy shadowing on tropical forest bi-directional reflectance and thus provide improved tropical forest structural variable estimates. Remote sensing provides an invaluable source of information on inaccessible tropical forests. To date, the extraction of reliable and replicable forest canopy information from remotely sensed data has proved difficult. Recently, sensors have been developed which are able to view the Earth's surface from multiple angles. This extra dimension in reflectance da

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Enriquez, Luis Villavicencio. "The role of canopy structure in leaf litter production, quality and decomposition in rustic and traditional coffee systems and forests in Mexico." Thesis, Bangor University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.510270.

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41

Griffith, Kereen. "Effects of Vegetation Structure and Canopy Exposure on Small-scale Variation in Atmospheric Deposition Inputs to a Mixed Conifer Forest in California." Thesis, University of North Texas, 2014. https://digital.library.unt.edu/ark:/67531/metadc500055/.

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Data on rates of atmospheric deposition is limited in many montane ecosystems, where high spatial variability in meteorological, topographic, and vegetation factors contributes to elevated atmospheric inputs and to the creation of deposition hotspots. Addressing the ecological consequences of increasing deposition in these areas will require a better understanding of surface controls influencing atmospheric deposition rates at both large and small-scales. The overarching objective of this thesis research was to understand the influence of vegetation structure and canopy exposure on small-scale

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Kenny, William T. "The Development and Application of the Hi-Resolution VOC Atmospheric Chemistry in Canopies Model." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1439131044.

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43

Ploton, Pierre. "Amélioration des estimations de biomasse en forêt tropicale : apport de la structure et de l’organisation spatiale des arbres de canopée." Thesis, Paris, AgroParisTech, 2017. http://www.theses.fr/2017AGPT0005.

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Les forêts tropicales séquestrent plus de la moitié du carbone forestier mondial et sont particulièrement menacées par les processus de déforestation et de dégradation, qui représentent la deuxième source d’émissions anthropogéniques de CO2. De fait, les forêts tropicales sont au centre de politiques climatiques internationales (i.e. Reducing emissions from deforestation and forest degradation, REDD) visant à réduire ces émissions. L’initiative REDD repose sur notre capacité à cartographier les stocks de carbone forestier (dynamique spatiale) et à détecter la déforestation et la dégradation (d

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44

Piayda, Arndt [Verfasser], Sabine [Gutachter] Attinger, and Christiane [Gutachter] Werner. "Canopy structure and the impact of drought on a Quercus suber L. woodland in Portugal / Arndt Gerald Piayda ; Gutachter: Sabine Attinger, Christiane Werner." Jena : Friedrich-Schiller-Universität Jena, 2016. http://d-nb.info/1177613360/34.

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Čech, Ondřej. "Vstupní část obchodního centra." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265314.

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Diploma thesis describes the design and assessment of roof structure that covers entrance of the shopping center. Structure has an irregular floor plan and roof height is 16.5 m. The material of the structure is steel S355. The construction is located in Hradec Kralove. Two options were processed that were designed and evaluated according to applicable standards. The work also includes the design of anchoring and selected joints.

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Purrenhage, Jennifer Lyn. "Importance of Habitat Structure for Pond-Breeding Amphibians in Multiple Life Stages." Miami University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=miami1240957514.

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Chen, Tsu-Wei [Verfasser]. "Architectural and non-architectural effects of salinity on canopy structure, light interception and dry mass production on greenhouse cucumber and tomato / Tsu-Wei Chen." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2015. http://d-nb.info/1080267271/34.

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Jung, Eunyoung [Verfasser], and Dennis [Akademischer Betreuer] Otieno. "Quantifying water use by temperate deciduous forests in South Korea: roles of species diversity, canopy structure, and complex terrain / Eunyoung Jung. Betreuer: Dennis Otieno." Bayreuth : Universität Bayreuth, 2013. http://d-nb.info/1059352850/34.

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Danner, Martin [Verfasser], and Wolfram [Akademischer Betreuer] Mauser. "The EnMAP Managed Vegetation Scientific Processor : towards an automatic retrieval of canopy structure and leaf biochemical properties from hyperspectral images / Martin Danner ; Betreuer: Wolfram Mauser." München : Universitätsbibliothek der Ludwig-Maximilians-Universität, 2019. http://d-nb.info/1203067364/34.

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Blanchard, Elodie. "Diversité structurale des forêts denses humides de la Province Nord de Nouvelle Calédonie : de l'arbre au paysage." Thesis, Montpellier, 2016. http://www.theses.fr/2016MONTT116/document.

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Dans un contexte de changements globaux, il est primordial de mettre au point des pratiques de gestion durable des forêts tropicales assurant le maintien de services environnementaux clés (e.g., biodiversité, stockage de carbone) et la production de biens essentiels aux communautés locales. La mesure, la spatialisation et la compréhension des déterminismes de la structure des forêts tropicales est un challenge pour la gestion durable des ressources forestières. Les forêts denses humides (FDH) de Nouvelle-Calédonie, un point chaud de biodiversité localisé dans le Pacifique Sud-Ouest, sont un mo

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