Academic literature on the topic 'Individual tree'

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Journal articles on the topic "Individual tree"

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Trouillier, Mario, Marieke van der Maaten-Theunissen, Jill Harvey, David Würth, Martin Schnittler, and Martin Wilmking. "Visualizing Individual Tree Differences in Tree-Ring Studies." Forests 9, no. 4 (2018): 216. http://dx.doi.org/10.3390/f9040216.

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Temesgen, Hailemariam, and Stephen J. Mitchell. "An Individual-Tree Mortality Model for Complex Stands of Southeastern British Columbia." Western Journal of Applied Forestry 20, no. 2 (2005): 101–9. http://dx.doi.org/10.1093/wjaf/20.2.101.

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Abstract An individual-tree mortality model was developed for major tree species in complex stands (multi-cohort, multiaged, and mixed species) of southeastern British Columbia (BC), Canada. Data for 29,773 trees were obtained from permanent sample plots established in BC. Average annual diameter increment and mortality rates ranged from 0.08 to 0.17 cm/year and from 0.3 to 2.6%, respectively. Approximately 70% of the trees were used for model development and 30% for model evaluation. After evaluating the model, all 29,773 trees were used to fit the final model. A generalized logistic model wa
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Hindell, MA, and AK Lee. "Tree Use by Individual Koalas in a Natural Forest." Wildlife Research 15, no. 1 (1988): 1. http://dx.doi.org/10.1071/wr9880001.

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The home ranges and species of trees used by 20 koalas (Phascolarctos cinereus) were determined in a forest in Victoria containing 6 Eucalyptus spp. Eight animals showed a preference for a tree species from those available within their home ranges. Four koalas preferred E. viminalis, 2 E. ovata and 2 E. macrorhyncha. Preference for tree species was detected only where the preferred species was in low abundance within the animal's home range. These observations confirm that koalas may show individual differences in the species of food trees they prefer. E. viminalis, the preferred species of th
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Qin, Jianhua, and Quang V. Cao. "Using disaggregation to link individual-tree and whole-stand growth models." Canadian Journal of Forest Research 36, no. 4 (2006): 953–60. http://dx.doi.org/10.1139/x05-284.

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Data from 200 plots randomly selected from the Southwide Pine Seed Source Study of loblolly pine (Pinus taeda L.) were used to fit whole-stand and individual-tree equations. Another 100 plots, also randomly selected, were used for validation. Outputs from the individual-tree model were then adjusted to match observed stand attributes (number of trees, basal area, and volume per hectare) by four disaggregation methods: proportional yield, proportional growth, constrained least squares, and coefficient adjustment. The first three are existing methods, and the fourth is new. The four methods prod
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Yang, Yuqing, Shongming Huang, Shawn X. Meng, Guillermo Trincado, and Curtis L. VanderSchaaf. "A multilevel individual tree basal area increment model for aspen in boreal mixedwood stands." Canadian Journal of Forest Research 39, no. 11 (2009): 2203–14. http://dx.doi.org/10.1139/x09-123.

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Based on a multilevel nonlinear mixed model approach, a basal area increment model was developed for individual aspen ( Populus tremuloides Michx.) trees growing in boreal mixedwood stands in Alberta. Various stand and tree characteristics were evaluated for their contributions to model improvement. Total stand basal area, basal area of larger trees, and the ratio of target tree height to maximum stand height were found to be significant predictors. When random effects were modeled at the plot level alone, correlations among normalized residuals remained significant. These correlations were su
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Mahour, Milad, Valentyn Tolpekin, and Alfred Stein. "Automatic Detection of Individual Trees from VHR Satellite Images Using Scale-Space Methods." Sensors 20, no. 24 (2020): 7194. http://dx.doi.org/10.3390/s20247194.

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This research investigates the use of scale-space theory to detect individual trees in orchards from very-high resolution (VHR) satellite images. Trees are characterized by blobs, for example, bell-shaped surfaces. Their modeling requires the identification of local maxima in Gaussian scale space, whereas location of the maxima in the scale direction provides information about the tree size. A two-step procedure relates the detected blobs to tree objects in the field. First, a Gaussian blob model identifies tree crowns in Gaussian scale space. Second, an improved tree crown model modifies this
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Forrester, David I. "Does individual-tree biomass growth increase continuously with tree size?" Forest Ecology and Management 481 (February 2021): 118717. http://dx.doi.org/10.1016/j.foreco.2020.118717.

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Foroozan, Zeynab, Jussi Grießinger, Kambiz Pourtahmasi та Achim Bräuning. "Evaluation of Different Pooling Methods to Establish a Multi-Century δ18O Chronology for Paleoclimate Reconstruction". Geosciences 9, № 6 (2019): 270. http://dx.doi.org/10.3390/geosciences9060270.

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To develop multi-century stable isotope chronologies from tree rings, pooling techniques are applied to reduce laboratory costs and time. However, pooling of wood samples from different trees may have adverse effects on the signal amplitude in the final isotope chronology. We tested different pooling approaches to identify the method that is most cost-efficient, without compromising the ability of the final chronology to reflect long-term climate variability as well as climatic extreme years. As test material, we used δ18O data from juniper trees (Juniperus polycarpus) from Northern Iran. We c
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Shen, Guanghong, James A. Moore, and Charles R. Hatch. "The effect of habitat type and rock type on individual tree basal area growth response to nitrogen fertilization." Canadian Journal of Forest Research 30, no. 4 (2000): 613–23. http://dx.doi.org/10.1139/x99-249.

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Individual tree basal area increment models for nitrogen fertilized stands were developed using data from permanent research plots located throughout the Inland Northwest. Results show that tree size, stand density, habitat type, and rock type significantly interact to affect individual tree basal area growth response to nitrogen fertilization. Suppressed trees growing on moist habitat types and all rock types, except metasedimentary, exhibited greater relative response than did dominant or codominant trees growing in the same stand. However, suppressed trees growing on dry sites or on soils d
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Williams, Roger A. "Use of Randomized Branch and Importance Sampling to Estimate Loblolly Pine Biomass." Southern Journal of Applied Forestry 13, no. 4 (1989): 181–84. http://dx.doi.org/10.1093/sjaf/13.4.181.

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Abstract A previously developed sampling method utilizing randomized branch and importance sampling for the purpose of quickly estimating tree biomass was tested on five loblolly pine (Pinus taeda L.) trees. Results show a wide range of per-tree sampling error, ranging from 5.3 to 28.9%. Largevariation in foliage content among selected branches per treee may be a major source of error. However, the sampling error for the total biomass of the five trees tested was only 3.3%. This sampling method appears to be reliable and efficient in obtaining precise estimates of the total biomassof a populat
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Dissertations / Theses on the topic "Individual tree"

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Korpela, Ilkka. "Individual tree measurements by means of digital aerial photogrammetry." Helsinki : Finnish Forest Research Institute, Finnish Society of Forest Science, 2004. http://catalog.hathitrust.org/api/volumes/oclc/55872310.html.

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Riitters, Kurt H. "Analysis of Biweight Site Chronologies: Relative Weights of Individual Trees over Time." Tree-Ring Society, 1990. http://hdl.handle.net/10150/261911.

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The relative weights on individual trees in a biweight site chronology can indicate the consistency of tree growth responses to macroclimate and can be the basis for stratifying trees in climate-growth analyses. This was explored with 45 years of ring-width indices for 200 trees from five even-aged jack pine (Pints banksiana Lamb.) stands. Average individual-tree relative weights were similar, but most trees had at least one transient occurrence of low relative weight. The standard deviations of individual-tree relative weights suggested that some trees had mom variable growth responses than o
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Miller, Jordan Mitchell. "Estimation of individual tree metrics using structure-from-motion photogrammetry." Thesis, University of Canterbury. Geography, 2015. http://hdl.handle.net/10092/11035.

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The deficiencies of traditional dendrometry mean improvements in methods of tree mensuration are necessary in order to obtain accurate tree metrics for applications such as resource appraisal, and biophysical and ecological modelling. This thesis tests the potential of SfM-MVS (Structure-fromMotion with Multi-View Stereo-photogrammetry) using the software package PhotoScan Professional, for accurately determining linear (2D) and volumetric (3D) tree metrics. SfM is a remote sensing technique, in which the 3D position of objects is calculated from a series of photographs, resulting in a 3D poin
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Brandtberg, Tomas. "Automatic individual tree-based analysis of high spatial resolution remotely sensed data /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5852-8.pdf.

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Kim, Sooyoung. "Individual tree species identification using LIDAR-derived crown structures and intensity data /." Thesis, Connect to this title online; UW restricted, 2008. http://hdl.handle.net/1773/5548.

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Erikson, Mats. "Segmentation and classification of individual tree crowns : in high spatial resolution aerial images /." Uppsala : Centre for Image Analysis, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/s320.pdf.

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Lang, Anne Christina [Verfasser], and Goddert von [Akademischer Betreuer] Oheimb. "The role of tree diversity for individual tree growth, crown architecture and branch demography / Anne Christina Lang. Betreuer: Goddert von Oheimb." Lüneburg : Universitätsbibliothek der Leuphana Universität Lüneburg, 2012. http://d-nb.info/1034147935/34.

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Lee, Juheon. "Mapping individual trees from airborne multi-sensor imagery." Thesis, University of Cambridge, 2016. https://www.repository.cam.ac.uk/handle/1810/266686.

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Airborne multi-sensor imaging is increasingly used to examine vegetation properties. The advantage of using multiple types of sensor is that each detects a different feature of the vegetation, so that collectively they provide a detailed understanding of the ecological pattern. Specifically, Light Detection And Ranging (LiDAR) devices produce detailed point clouds of where laser pulses have been backscattered from surfaces, giving information on vegetation structure; hyperspectral sensors measure reflectances within narrow wavebands, providing spectrally detailed information about the optical
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Juchheim, Julia [Verfasser]. "Quantifying the impact of forest management intensity and tree species diversity on individual tree shape and three-dimensional stand structure / Julia Juchheim." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2020. http://d-nb.info/1220909416/34.

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Wan, Mohd Jaafar Wan Shafrina Binti. "Individual tree detection and modelling above-ground biomass and forest parameters using discrete return airborne LiDAR data." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/31143.

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Individual tree detection and modelling forest parameters using Airborne Laser Scanner data (Light Detection and Ranging (LiDAR) is becoming increasingly important for the monitoring and sustainable management of forests. Remote sensing has been a useful tool for individual tree analysis in the past decade, although inadequate spatial resolution from satellites means that only airborne systems have sufficient spatial resolution to conduct individual tree analysis. Moreover, recent advances in airborne LiDAR now provide high horizontal resolution as well as information in the vertical dimension
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Books on the topic "Individual tree"

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Korpela, Ilkka. Individual tree measurements by means of digital aerial photogrammetry. Finnish Society of Forest Science ; Finnish Forest Research Institute, 2004.

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Geier-Hayes, Kathleen. Determining individual tree shade length: A guide for silviculturists. U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1995.

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Geier-Hayes, Kathleen. Determining individual tree shade length: A guide for silviculturists. Intermountain Research Station, 1995.

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Teck, Richard M. Individual-tree diameter growth model for northeastern United States. U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station, 1991.

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Sixsmith, Mark. Tree and timber data sheets: A guide to the characteristics of individual tree species. 3rd ed. Forestry Trust for Conservation and Education, 1995.

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Book chapters on the topic "Individual tree"

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Von Gadow, Klaus, and Gangying Hui. "Individual Tree Growth." In Modelling Forest Development. Springer Netherlands, 1999. http://dx.doi.org/10.1007/978-94-011-4816-0_5.

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Culvenor, Darius S. "Extracting Individual Tree Information." In Remote Sensing of Forest Environments. Springer US, 2003. http://dx.doi.org/10.1007/978-1-4615-0306-4_9.

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Burkhart, Harold E., and Margarida Tomé. "Indices of Individual-Tree Competition." In Modeling Forest Trees and Stands. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-3170-9_9.

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Anten, Niels P. R., and N. Galia Selaya. "Ecophysiology of Secondary Succession in Tropical Moist Forest: Scaling from Individual Traits to Whole-Plant Performance." In Tree Physiology. Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-1242-3_16.

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Breidenbach, Johannes, and Rasmus Astrup. "The Semi-Individual Tree Crown Approach." In Forestry Applications of Airborne Laser Scanning. Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-017-8663-8_6.

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Becker-Weidman, Arthur. "House-Tree-Person Projective Drawing Test." In Encyclopedia of Personality and Individual Differences. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-24612-3_38.

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Becker-Weidman, Arthur. "House-Tree-Person Projective Drawing Test." In Encyclopedia of Personality and Individual Differences. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-28099-8_38-1.

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Burkhart, Harold E., and Margarida Tomé. "Individual-Tree Models for Even-Aged Stands." In Modeling Forest Trees and Stands. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-3170-9_14.

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Pommerening, Arne, and Pavel Grabarnik. "Spatial Methods of Tree Interaction Analysis." In Individual-based Methods in Forest Ecology and Management. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24528-3_4.

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Pommerening, Arne, and Pavel Grabarnik. "Human Disturbances and Tree Selection Behaviour." In Individual-based Methods in Forest Ecology and Management. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-24528-3_7.

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Conference papers on the topic "Individual tree"

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Popovas, Darius, Valentas Mikalauskas, Dominykas Šlikas, Simonas Valotka, and Tautvydas Šorys. "Individual Tree Parameters Estimation from Terrestrial Laser Scanner Data." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.230.

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Tree models and information on the various characteristics of trees and forests are required for forest management, city models, carbon accounting and the management of assets. In order to get precise characteristics and information, tree modelling must be done at individual tree level as it represents the interaction process between trees. For sustainable forest management, more information is needed, however, the traditional methods of investigating forest parameters such as, tree height, diameter at breast height, crown diameter, stem curve and stem mapping or tree location are complex and
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Dissado, L. A., S. M. Rowland, J. C. Fillipini, J. C. Fothergill, S. V. Wolfe, and C. T. Meyer. "Individual & ensemble water tree growth." In Conference on Electrical Insulation & Dielectric Phenomena - Annual Report 1986. IEEE, 1986. http://dx.doi.org/10.1109/ceidp.1986.7726477.

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Xiong, Yiqun, and Jianping Wu. "Method of individual tree crown detection." In Geoinformatics 2007, edited by Weimin Ju and Shuhe Zhao. SPIE, 2007. http://dx.doi.org/10.1117/12.760489.

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Xiao, Changlin, Rongjun Qin, Xu Huang, and Jiaqiang Li. "Individual Tree Detection from Multi-View Satellite Images." In IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2018. http://dx.doi.org/10.1109/igarss.2018.8518040.

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Xu, Xin, Federico Iuricich, and Leila De Floriani. "A Persistence-Based Approach for Individual Tree Mapping." In SIGSPATIAL '20: 28th International Conference on Advances in Geographic Information Systems. ACM, 2020. http://dx.doi.org/10.1145/3397536.3422231.

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Parkan, Matthew, and Devis Tuia. "Individual tree segmentation in deciduous forests using geodesic voting." In IGARSS 2015 - 2015 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2015. http://dx.doi.org/10.1109/igarss.2015.7325844.

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Hu, Baoxin. "Improving individual tree delineation using mulriple-wavelength lidar data." In IGARSS 2016 - 2016 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2016. http://dx.doi.org/10.1109/igarss.2016.7729823.

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Zhen, Zhen, Yinghui Zhao, Yuanshuo Hao, and Qingbin Wei. "Development of accuracy assessment tool of individual tree crown delineation." In IGARSS 2016 - 2016 IEEE International Geoscience and Remote Sensing Symposium. IEEE, 2016. http://dx.doi.org/10.1109/igarss.2016.7729824.

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Mizoguchi, Tomohiro, Akira Ishii, Hiroyuki Nakamura, Tsuyoshi Inoue, and Hisashi Takamatsu. "Lidar-based individual tree species classification using convolutional neural network." In SPIE Optical Metrology, edited by Fabio Remondino and Mark R. Shortis. SPIE, 2017. http://dx.doi.org/10.1117/12.2270123.

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Wu, Rosen, Yiping Chen, Chenglu Wen, Cheng Wang, and Jonathan Li. "Delineation of individual tree crowns for mobile laser scanning data." In 2015 ISPRS International Conference on Computer Vision in Remote Sensing, edited by Cheng Wang, Rongrong Ji, and Chenglu Wen. SPIE, 2016. http://dx.doi.org/10.1117/12.2234909.

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Reports on the topic "Individual tree"

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Teck, Richard M., Donald E. Hilt, and Donald E. Hilt. Individual tree-diameter growth model for the Northeastern United States. U.S. Department of Agriculture, Forest Service, North Central Research Station, 1991. http://dx.doi.org/10.2737/ne-rp-649.

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Teck, Richard M., Donald E. Hilt, and Donald E. Hilt. Individual-tree probability of survival model for the Northeastern United States. U.S. Department of Agriculture, Forest Service, North Central Research Station, 1990. http://dx.doi.org/10.2737/ne-rp-642.

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Hilt, Donald E., and Donald E. Hilt. OAKSIM: An individual-tree growth and yield simulator for managed, even-aged, upland oak stands. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1985. http://dx.doi.org/10.2737/ne-rp-562.

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Hilt, Donald E., and Donald E. Hilt. OAKSIM: An individual-tree growth and yield simulator for managed, even-aged, upland oak stands. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1985. http://dx.doi.org/10.2737/ne-rp-562.

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Hilt, Donald E. User's guide to OAKSIM: An individual-tree growth and yield simulator for managed, even-aged, upland oak stands. U.S. Department of Agriculture, Forest Service, Northeastern Forest Experimental Station, 1985. http://dx.doi.org/10.2737/ne-gtr-104.

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Handler, Stephen, Carrie Pike, Brad St. Clair, Hannah Abbotts, and Maria Janowiak. Assisted Migration. USDA Forest Service Climate Change Resource Center, 2018. http://dx.doi.org/10.32747/2018.6893746.ch.

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Evidence suggests that species have responded individually during historic periods of dramatic
 climate change through geographic migrations to and from unique glacial refugia [1, 2, 3]. Recent
 research has demonstrated that many tree species are already undergoing distribution shifts in
 response to climate change, with different studies highlighting species that are moving poleward
 and higher in elevation [4], or moving east-west to track changes in moisture availability [5].
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Khadan, Jeetendra, Nekeisha Spencer, Eric Strobl, and Theophiline Bose-Duker. Socioeconomic Factors Associated with Being Overweight or Obese in Suriname. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003348.

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This paper applies probit regression models to a nationally representative household survey dataset collected in 2016-2017 to analyze the relationships between various socio-demographic variables and adult Body Mass Index (BMI) in Suriname. Our results indicate that women, the elderly, and couples either married and/or living together are more likely to be obese or overweight. As expected, this is also true for individuals who have chronic illnesses. The analysis also finds that individuals who engage in a sport or in other forms of exercise, even if modest, have lower odds of being overweight
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Soenko, Yevgeny. TYPOLOGY OF PERIPHERAL VISION. Intellectual Archive, 2020. http://dx.doi.org/10.32370/iaj.2331.

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The research is based on the statement that retina produces the proper level of electrical activity, sourcing visual system. I started the research with partial darkening of different parts of the visual fields of humans to register possible psychological and physiological changes. The tested showed dramatically increasing variability and number of changes within just four exact types of darkening. More, emotional and physiological aspects of those changes were polarized into general acceptance and general rejection of a certain type of darkening in most of the individual tests. Thus the teste
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Peitz, David, and Naomi Reibold. White-tailed deer monitoring at Arkansas Post National Memorial, Arkansas: 2005–2020 trend report. Edited by Tani Hubbard. National Park Service, 2021. http://dx.doi.org/10.36967/nrr-2285087.

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From 16 years (2005–2020) of monitoring trends in white-tailed deer within a defined survey area of Arkansas Post National Memorial, we have been able to demonstrate both population declines and recoveries. The adjusted count of deer had a seven-fold increase between 2007 and 2011 following a two-year decline and a three-fold increase between 2017 and 2019 following a six-year decline. Overall, the deer population has declined slightly, averaging a 0.5% reduction in herd size annually. The number of deer in the survey area ranged from 16.77 ± 21.26 (mean + 95% CI) individuals/km2 in 2007 to 11
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Auguste, Sebastián, Jordi Prat, and Gisele Braun. Brecha de género en el acceso al financiamiento en Centroamérica y República Dominicana. Inter-American Development Bank, 2021. http://dx.doi.org/10.18235/0003151.

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La evidencia empírica internacional muestra que las mujeres tienen menos acceso al financiamiento, tanto al crédito personal como al crédito empresario (según el género de quién lidera la empresa). Esta brecha de género, que se debe a factores de oferta y de demanda, preocupa, tanto desde el punto de vista de equidad o igualdad de oportunidades, como de la eficiencia, ya que en una economía de mercado el acceso al financiamiento es clave para la asignación eficiente de los recursos, y cualquier imperfección en su funcionamiento se puede traducir en menos crecimiento económico. En este trabajo
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