Relevant bibliographies by topics / AVL Trees

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'AVL Trees'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "AVL Trees"

1

Vaishnavi, Vijay K. "Weighted Leaf AVL-Trees." SIAM Journal on Computing 16, no. 3 (June 1987): 503–37. http://dx.doi.org/10.1137/0216035.

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Tsakalidis, Athanasios K. "AVL-trees for localized search." Information and Control 67, no. 1-3 (October 1985): 173–94. http://dx.doi.org/10.1016/s0019-9958(85)80034-6.

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Medidi, Muralidhar, and Narsingh Deo. "Parallel Dictionaries Using AVL Trees." Journal of Parallel and Distributed Computing 49, no. 1 (February 1998): 146–55. http://dx.doi.org/10.1006/jpdc.1998.1432.

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Vaishnavi, Vijay K. "Erratum: Weighted Leaf AVL-Trees." SIAM Journal on Computing 19, no. 3 (June 1990): 591. http://dx.doi.org/10.1137/0219039.

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Larsen, Kim S. "AVL Trees with Relaxed Balance." Journal of Computer and System Sciences 61, no. 3 (December 2000): 508–22. http://dx.doi.org/10.1006/jcss.2000.1705.

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Li, Liwu. "Ranking and Unranking of AVL-Trees." SIAM Journal on Computing 15, no. 4 (November 1986): 1025–35. http://dx.doi.org/10.1137/0215073.

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Zhang, Yin, and Zhuoqun Xu. "Concurrent manipulation of expanded AVL trees." Journal of Computer Science and Technology 13, no. 4 (July 1998): 325–36. http://dx.doi.org/10.1007/bf02946622.

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Amani, Mahdi, Kevin A. Lai, and Robert E. Tarjan. "Amortized rotation cost in AVL trees." Information Processing Letters 116, no. 5 (May 2016): 327–30. http://dx.doi.org/10.1016/j.ipl.2015.12.009.

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Cameron, Helen, and Derick Wood. "Balance in AVL trees and space cost of brother trees." Theoretical Computer Science 127, no. 2 (May 1994): 199–228. http://dx.doi.org/10.1016/0304-3975(94)90040-x.

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Crescenzi, P., P. Penna, and A. Piperno. "Linear area upward drawings of AVL trees." Computational Geometry 9, no. 1-2 (January 1998): 25–42. http://dx.doi.org/10.1016/s0925-7721(97)00013-8.

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Dissertations / Theses on the topic "AVL Trees"

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Sayed, Hassan Adelyar. "The Complexity of Splay Trees and Skip Lists." Thesis, University of the Western Cape, 2008. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6858_1263424080.

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Our main results are that splay trees are faster for sorted insertion, where AVL trees are faster for random insertion. For searching, skip lists are faster than single class top-down splay trees, but two-class and multi-class top-down splay trees can behave better than skip lists.

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Fridman, Jonas. "Damaged and dead trees in Swedish forests : assessment and prediction based on data from the National Forest Inventory /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5880-3.pdf.

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Slotte, Håkan. "Lövtäkt i Sverige och på Åland : metoder och påverkan på landskapet /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2000. http://epsilon.slu.se/avh/2000/91-576-5782-3.pdf.

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Wood, Kelly Thomas Cummings E. E. "Now all the fingers of this tree." connect to online resource, 2003. http://www.library.unt.edu/theses/open/20031/wood%5Fkelly/index.htm.

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Thesis (M.M.)--University of North Texas, 2003.
Duration: ca. 19:00. For 9 part solo soprano, where one performer records each of 9 vocal lines (1st movement); electro-acoustics (2nd movement). Includes bibliographical references (p. xxxi).
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Wood, Kelly Thomas. "Now All the Fingers of This Tree." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4166/.

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Now All the Fingers of This Tree is a work in two movements based upon a poem of the same name by E. E. Cummings. It is divided into two movements: The first movement is scored for nine part solo soprano, where one performer records each of the nine vocal lines. The second movement is an electro-acoustic work derived from four phrases of the original recording of the first movement. Total duration of the work is approximately 19 minutes. The paper provides a detailed analysis of both movements as well as a discussion on usage of text, problems addressed with traditional notation techniques, and technology utilized in the production of the work.
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Saka, Esin. "A Comparative Study Of Tree Encodings For Evolutionary Computing." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/3/12606317/index.pdf.

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One of the most important factors on the success of evolutionary algorithms (EAs) about trees is the representation of them. The representation should exhibit efficiency, locality and heritability to enable effective evolutionary computing. Neville proposed three different methods for encoding labeled trees. The first one is similar with Prü
fer'
s encoding. In 2001, it is reported that, the use of Prü
fer numbers is a poor representation of spanning trees for evolutionary search, since it has low locality for random trees. In the thesis Neville'
s other two encodings, namely Neville branch numbers and Neville leaf numbers, are studied. For their performance in EA their properties and algorithms for encoding and decoding them are also examined. Optimal algorithms with time and space complexities of O(n) , where n is the number of nodes, for encoding and decoding Neville branch numbers are given. The localities of Neville'
s encodings are investigated. It is shown that, although the localities of Neville branch and leaf numbers are perfect for star type trees, they are low for random trees. Neville branch and Neville leaf numbers are compared with other codings in EAs and SA for four problems: '
onemax tree problem'
, '
degree-constrained minimum spanning tree problem'
, '
all spanning trees problem'
and '
all degree constrained spanning trees problem'
. It is shown that, neither Neville nor Prü
fer encodings are suitable for EAs. These encodings are suitable for only tree enumeration and degree computation. Algorithms which are timewise and spacewise optimal for '
all spanning trees problem'
(ASTP) for complete graphs, are given by using Neville branch encoding. Computed time and space complexities for solving ASTP of complete graphs are O(nn-2) and O(n) if trees are only enumerated and O(nn-1) and O(n) if all spanning trees are printed , respectively, where n is the number of nodes. Similarly, '
all degree constrained spanning trees problem'
of a complete graph is solvable in O(nn-1) time and O(n) space.
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Kalela-Brundin, Maarit. "Climate information from tree rings /." Umeå : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5641-X.pdf.

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Alriksson, Agnetha. "Afforestation of farmland : soil changes and the uptake of heavy metals and nutrients by trees /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1998. http://epsilon.slu.se/avh/1998/91-576-5341-0.gif.

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Svensson, Sven Axel. "Converging air jets in orchard spraying : influence on deposition, air velocities and forces on trees /." Alnarp : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-5818-8.pdf.

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Aguilar, Victor. "Selective weed and ground cover management in a coffee plantation with shade trees in Nicaragua /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 2001. http://epsilon.slu.se/avh/2001/91-576-5799-8.pdf.

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Books on the topic "AVL Trees"

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Tell me, tree: All about trees for kids. Boston: Little Brown & Co., 2002.

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Gibbons, Gail. Tell me, tree: All about trees for kids. Boston [Mass.]: Little, Brown, 2002.

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Wood, P. J. A tree for all reasons: Introduction and evaluation of multipurpose trees for agroforestry. Nairobi, Kenya: International Centre for Research in Agroforestry, 1991.

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C, Fech John, and Ortho Books, eds. Ortho's all about trees. Des Moines, IA: Meredith Books, 1999.

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ill, Ruiz Aristides, and Mathieu Joseph ill, eds. I can name 50 trees today!: All about trees. New York: Random House, 2006.

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Foster, John. All about trees: In & around Houston. New York: Swan Pub., 1996.

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The pruning of trees, shrubs, and conifers. Portland, Or: Timber Press, 1995.

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Flint, Harrison L. Ortho's all about flowering trees & shrubs. Des Moines, Iowa: Meredith Books, 2002.

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Palms are not trees after all. Huntsville, Tex: Texas Review Press, 2008.

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Ofori-Mensah, A. Where have all the trees gone? Legon, Accra, Ghana: Sub-Saharan Publishers, 1997.

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Book chapters on the topic "AVL Trees"

1

Cameron, Helen, and Derick Wood. "Balance in AVL trees." In Advances in Computing and Information — ICCI '91, 127–33. Berlin, Heidelberg: Springer Berlin Heidelberg, 1991. http://dx.doi.org/10.1007/3-540-54029-6_161.

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Baeza-Yates, Ricardo, Gaston H. Gonnet, and Nivio Ziviani. "Expected behaviour analysis of AVL trees." In SWAT 90, 143–59. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/3-540-52846-6_85.

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Crescenzi, P., and A. Piperno. "Optimal-area upward drawings of AVL trees." In Graph Drawing, 307–17. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/3-540-58950-3_386.

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Soisalon-Soininen, Eljas, and Peter Widmayer. "Amortized Complexity of Bulk Updates in AVL-Trees." In Algorithm Theory — SWAT 2002, 439–48. Berlin, Heidelberg: Springer Berlin Heidelberg, 2002. http://dx.doi.org/10.1007/3-540-45471-3_45.

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Hettler, R., D. Nazareth, F. Regensburger, and O. Slotosch. "AVL trees revisited: A case study in Spectrum." In KORSO: Methods, Languages, and Tools for the Construction of Correct Software, 128–47. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/bfb0015459.

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Bougés, Luc, Joaquim Gabarró, Xavier Messeguer, and Nicolas Schabanel. "Concurrent rebalancing of AVL trees: A fine-grained approach." In Euro-Par'97 Parallel Processing, 421–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 1997. http://dx.doi.org/10.1007/bfb0002766.

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Clochard, Martin. "Automatically Verified Implementation of Data Structures Based on AVL Trees." In Verified Software: Theories, Tools and Experiments, 167–80. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-12154-3_11.

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Lins, Charles. "The Unbounded AVL Tree." In Springer Compass International, 111–46. New York, NY: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4684-6386-6_7.

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Navarro, Gonzalo. "Wavelet Trees for All." In Combinatorial Pattern Matching, 2–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31265-6_2.

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Yarza, Pablo, Raul Munoz, Jean Euzéby, Wolfgang Ludwig, Karl-Heinz Schleifer, Rudolf Amann, Frank Oliver Glöckner, and Ramon Rosselló-Móra. "All-Species Living Tree Project." In Encyclopedia of Metagenomics, 25–33. Boston, MA: Springer US, 2015. http://dx.doi.org/10.1007/978-1-4899-7478-5_740.

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Conference papers on the topic "AVL Trees"

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Ralston, Ryan. "ACL2-certified AVL trees." In the Eighth International Workshop. New York, New York, USA: ACM Press, 2009. http://dx.doi.org/10.1145/1637837.1637848.

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Sunikova, D., Z. Kubincova, and M. Byrtus. "A Mobile Game to Teach AVL Trees." In 2018 16th International Conference on Emerging eLearning Technologies and Applications (ICETA). IEEE, 2018. http://dx.doi.org/10.1109/iceta.2018.8572263.

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Štrbac-Savić, Svetlana, and Milo Tomašević. "Comparative performance evaluation of the AVL and red-black trees." In the Fifth Balkan Conference in Informatics. New York, New York, USA: ACM Press, 2012. http://dx.doi.org/10.1145/2371316.2371320.

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Barbosa, Weider, Isabella Nunes, Ana Carolina Inocêncio, Thiago De Oliveira, and Paulo Perreira Júnior. "DEG4Trees: Um Jogo Educacional Digital de Apoio ao Ensino de Estruturas de Dados." In Workshop sobre Educação em Computação. Sociedade Brasileira de Computação - SBC, 2015. http://dx.doi.org/10.5753/wei.2015.10231.

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Este artigo apresenta um jogo educacional digital, denominado DEG4Trees (Digital Educational Game four Trees), de apoio ao ensino de estruturas de Árvores Binárias de Busca e Árvores AVL. DEG4Trees é um jogo no qual o aluno precisa observar as propriedades das estruturas de dados e interagir com as mesmas para atingir seus objetivos. Ao final de cada rodada, DEG4Trees provê um feedback sobre a atuação do jogador, o que pode servir para que tanto o professor quanto o aluno reconheçam os pontos a serem melhorados durante o processo de ensino/aprendizagem. Como resultado de uma avaliação preliminar do jogo, percebeu-se que o mesmo pode ser útil no contexto do ensino de estruturas de dados.
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STRAUPE, Inga, and Līga LIEPA. "AN ASSESSMENT OF RETENTION TREES IN HYLOCOMIOSA FOREST TYPE IN SOUTHERN LATVIA." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.111.

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In Latvia the forest legislation requires that at least five living trees must be retained per hectare after clear-cutting. It is known that retention trees significantly increase the biodiversity in production forest landscape. After clear-cutting retention trees function as habitats for various lichens, mosses, insects, fungi and birds. Over time retention trees are incorporated into the young forests stand and provide presence of old trees, which is necessary for many endangered and rare species. After the death, these trees turn into coarse woody debris which is an essential habitat and feeding source for many taxa. However, the conservation and mortality of the retention trees has not been studied extensively because this approach has been established recently. The aim of this study was to evaluate development of the retention trees in Hylocomiosa type of forests in Southern Latvia. In total 12 young forest stands were surveyed in 2009 and 2015. The total area – 13.7 ha, on average forest stand size varies from 0.5 to 3.0 ha. All the studied sites were harvested in 2002, 2004, 2006 and 2008. All measurements of tree species, height, and diameter and defoliation class assessed and the status of tree (growing tree, coarse woody debris – snags, stems and downed logs) was indicated. Results show that after the studied period of seven years 24 retention trees died. Average level of the tree mortality is 15 %. The mortality level of Scots pine retention trees is 5.8 %, for aspen – 50 % and that for birch – 92.3 %. An average it is 8.5 green retention trees per 1 ha of young stand (22.9 m3 ha-1). On average 2.3 pieces coarse woody debris are per 1 ha of young stand (3.52 m3 ha-1), mostly - aspen wood (2.4 m3 ha-1). Woody debris of the young stands is divided to the first 4 decay levels according to classification (Stokland et al., 2001). 50 % of the listed woody debris is related to the 3rd decay level which means that woody debris is moderately decomposed.
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Wu, Andi, and Kirk Lowery. "From prosodic trees to syntactic trees." In the COLING/ACL. Morristown, NJ, USA: Association for Computational Linguistics, 2006. http://dx.doi.org/10.3115/1273073.1273188.

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Yoshida, Minoru, and Hiroshi Nakagawa. "Reformatting web documents via header trees." In the ACL 2005. Morristown, NJ, USA: Association for Computational Linguistics, 2005. http://dx.doi.org/10.3115/1225753.1225784.

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Sadeghi, Javad, Charles Perin, Tamara Flemisch, Mark Hancock, and Sheelagh Carpendale. "Flexible Trees." In AVI '16: International Working Conference on Advanced Visual Interfaces. New York, NY, USA: ACM, 2016. http://dx.doi.org/10.1145/2909132.2909274.

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Zhang, Hao, and Daniel Gildea. "Inducing word alignments with bilexical synchronous trees." In the COLING/ACL. Morristown, NJ, USA: Association for Computational Linguistics, 2006. http://dx.doi.org/10.3115/1273073.1273195.

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Munteanu, Dragos Stefan, and Daniel Marcu. "Processing comparable corpora with Bilingual Suffix Trees." In the ACL-02 conference. Morristown, NJ, USA: Association for Computational Linguistics, 2002. http://dx.doi.org/10.3115/1118693.1118730.

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Reports on the topic "AVL Trees"

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Brandt, Leslie A., Cait Rottler, Wendy S. Gordon, Stacey L. Clark, Lisa O'Donnell, April Rose, Annamarie Rutledge, and Emily King. Vulnerability of Austin’s urban forest and natural areas: A report from the Urban Forestry Climate Change Response Framework. U.S. Department of Agriculture, Northern Forests Climate Hub, October 2020. http://dx.doi.org/10.32747/2020.7204069.ch.

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The trees, developed green spaces, and natural areas within the City of Austin’s 400,882 acres will face direct and indirect impacts from a changing climate over the 21st century. This assessment evaluates the vulnerability of urban trees and natural and developed landscapes within the City Austin to a range of future climates. We synthesized and summarized information on the contemporary landscape, provided information on past climate trends, and illustrated a range of projected future climates. We used this information to inform models of habitat suitability for trees native to the area. Projected shifts in plant hardiness and heat zones were used to understand how less common native species, nonnative species, and cultivars may tolerate future conditions. We also assessed the adaptability of planted and naturally occurring trees to stressors that may not be accounted for in habitat suitability models such as drought, flooding, wind damage, and air pollution. The summary of the contemporary landscape identifies major stressors currently threatening trees and forests in Austin. Major current threats to the region’s urban forest include invasive species, pests and disease, and development. Austin has been warming at a rate of about 0.4°F per decade since measurements began in 1938 and temperature is expected to increase by 5 to 10°F by the end of this century compared to the most recent 30-year average. Both increases in heavy rain events and severe droughts are projected for the future, and the overall balance of precipitation and temperature may shift Austin’s climate to be more similar to the arid Southwest. Species distribution modeling of native trees suggests that suitable habitat may decrease for 14 primarily northern species, and increase for four more southern species. An analysis of tree species vulnerability that combines model projections, shifts in hardiness and heat zones, and adaptive capacity showed that only 3% of the trees estimated to be present in Austin based on the most recent Urban FIA estimate were considered to have low vulnerability in developed areas. Using a panel of local experts, we also assessed the vulnerability of developed and natural areas. All areas were rated as having moderate to moderate-high vulnerability, but the underlying factors driving that vulnerability differed by natural community and between East and West Austin. These projected changes in climate and their associated impacts and vulnerabilities will have important implications for urban forest management, including the planting and maintenance of street and park trees, management of natural areas, and long-term planning.
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Harter, Rachel M., Pinliang (Patrick) Chen, Joseph P. McMichael, Edgardo S. Cureg, Samson A. Adeshiyan, and Katherine B. Morton. Constructing Strata of Primary Sampling Units for the Residential Energy Consumption Survey. RTI Press, May 2017. http://dx.doi.org/10.3768/rtipress.2017.op.0041.1705.

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The 2015 Residential Energy Consumption Survey design called for stratification of primary sampling units to improve estimation. Two methods of defining strata from multiple stratification variables were proposed, leading to this investigation. All stratification methods use stratification variables available for the entire frame. We reviewed textbook guidance on the general principles and desirable properties of stratification variables and the assumptions on which the two methods were based. Using principal components combined with cluster analysis on the stratification variables to define strata focuses on relationships among stratification variables. Decision trees, regressions, and correlation approaches focus more on relationships between the stratification variables and prior outcome data, which may be available for just a sample of units. Using both principal components/cluster analysis and decision trees, we stratified primary sampling units for the 2009 Residential Energy Consumption Survey and compared the resulting strata.
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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, March 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 se analiza la brecha de género con tres bases de datos distintas, Global Findex, una encuesta a nivel de individuos, SME Finance Forum, datos agregados estimados, y Enterprise Survey, una encuesta a nivel empresarial que informa el género del gerente general. Se destaca que, en ningún caso, ni a nivel personal ni a nivel empresarial, ha sido posible eliminar las brechas incluyendo factores observables. Por lo tanto, las mujeres en la región están más desaventajadas y esto es un motivo de preocupación, ya que incide en la productividad de la economía, la fertilidad y la tasa de acumulación del capital humano, tres dimensiones donde los países estudiados muestran déficit.
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Doval Avendaño, Mª Montserrat. Fuentes de información durante los tres días de marzo (11M al 13M) en los medios sociales españoles. Revista Latina de Comunicación Social, 2010. http://dx.doi.org/10.4185/rlcs-65-2010-903-325-339.

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Phuong, Vu Tan, Nguyen Van Truong, and Do Trong Hoan. Commune-level institutional arrangements and monitoring framework for integrated tree-based landscape management. World Agroforestry, 2021. http://dx.doi.org/10.5716/wp21024.pdf.

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Governance is a difficult task in the context of achieving landscape multifunctionality owing to the multiplicity of stakeholders, institutions, scale and ecosystem services: the ‘many-multiple’ (Cockburn et al 2018). Governing and managing the physical landscape and the actors in the landscape requires intensive knowledge and good planning systems. Land-use planning is a powerful instrument in landscape governance because it directly guides how actors will intervene in the physical landscape (land use) to gain commonly desired value. It is essential for sustaining rural landscapes and improving the livelihoods of rural communities (Bourgoin and Castella 2011, Bourgoin et al 2012, Rydin 1998), ensuring landscape multifunctionality (Nelson et al 2009, Reyers et al 2012) and enhancing efficiency in carbon sequestration, in particular (Bourgoin et al 2013, Cathcart et al 2007). It is also considered critical to the successful implementation of land-based climate mitigation, such as under Nationally Determined Contributions (NDCs), because the Land Use, Land-Use Change and Forestry (LULUCF) sector is included in the mitigation contributions of nearly 90 percent of countries in Sub-Saharan and Southern Asia countries and in the Latin American and Caribbean regions (FAO 2016). Viet Nam has been implementing its NDC, which includes forestry and land-based mitigation options under the LULUCF sector. The contribution of the sector to committed national emission reduction is significant and cost-effective compared with other sectors. In addition to achieving emission reduction targets, implementation of forestry and land-based mitigation options has the highest benefits for social-economic development and achieving the Sustainable Development Goals (MONRE 2020). Challenges, however, lie in the way national priorities and targets are translated into sub-national delivery plans and the way sub-national actors are brought together in orchestration (Hsu et al 2019) in a context where the legal framework for climate-change mitigation is elaborated at national rather than sub-national levels and coordination between government bodies and among stakeholders is generally ineffective (UNDP 2018). In many developing countries, conventional ‘top–down’, centralized land-use planning approaches have been widely practised, with very little success, a result of a lack of flexibility in adapting local peculiarities (Amler et al 1999, Ducourtieux et al 2005, Kauzeni et al 1993). In forest–agriculture mosaic landscapes, the fundamental question is how land-use planning can best conserve forest and agricultural land, both as sources of economic income and environmental services (O’Farrell and Anderson 2010). This paper provides guidance on monitoring integrated tree-based landscape management at commune level, based on the current legal framework related to natural resource management (land and forest) and the requirements of national green-growth development and assessment of land uses in two communes in Dien Bien and Son La provinces. The concept of integrated tree based landscape management in Viet Nam is still new and should be further developed for wider application across levels.
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6

Gómez Guerrero, Blanca Mercedes, Janer Eugenio Payares Guerrero, Alexander Salazar Montoya, and Flora Manuel Ariza Molina. Características agronómicas del pimentón (capsicum annuum L.) de 3 variedades en el municipio de Valledupar - Cesar. Universidad Nacional Abierta y a Distancia, June 2021. http://dx.doi.org/10.22490/ecapma.4234.

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El departamento del Cesar, tiene un gran potencial para la producción de hortalizas y entre ellas están el pimentón según (ASOHOFRUCOL, 2006), que apoyaría la diversificación y generación de ingresos a pequeñas familias productoras, pero hay muy poca investigación sobre hortalizas en la región Caribe, que hace necesario impulsar este tipo de estudios que generen conocimiento y transferencia de tecnología para estos cultivos. Por lo anterior la presente investigación está orientada a determinar las características agronómicas del cultivo de ají pimentón (Capsicum annuum), de 3 variedades Cortes, Zapata y 14pe9572 bajo las condiciones climáticas de bosque seco tropical del municipio de Valledupar – Cesar, El desarrollo de esta investigación se realizó bajo la implementación de un cultivo tecnificado con riego por goteo, buenas prácticas agrícolas que incluyen un plan de fertilización, manejo integrado de malezas y el manejo integrado de plagas y enfermedades. El estudio se realizó en unidades experimentales de 20 metros cuadrados con un diseño experimental de bloques completamente al azar con tres variedades y tres réplicas, que permitió el seguimiento y evaluación de las variables agronómicas (Número de frutos, peso en kilogramos, diámetro polar y ecuatorial) de las tres variedades de pimentón. Los resultados obtenidos de las tres variedades, a partir del análisis estadístico con base en cada una de las variables, no reportaron diferencias significativas entre ellas, pero si se observó una buena adaptabilidad de las tres variedades bajo las condiciones agroclimáticas de Valledupar.
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7

Carrillo Bravo, Jeremy Antonio, María José Dominguez-Cuesta, and José Cuevas-Mons. Aplicación de Técnicas SIG y A-DinSAR al análisis de movimientos del terreno en Guayaquil (Ecuador). Ilustre Colegio Oficial de Geólogos, April 2021. http://dx.doi.org/10.21028/jacb.2021.04.26.

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En este trabajo se ha realizado el análisis y cuantificación de las características del terreno del área metropolitana de la ciudad de Guayaquil y las aledañas de Samborondón y Durán (provincia del Guayas, Ecuador), aplicando una metodología basada en técnicas A-DinSAR y SIG. Para ello, se han utilizado imágenes del satélite Envisat ASAR correspondientes al período 2003-2005 que han permitido obtener una serie de puntos con velocidades de desplazamiento en la dirección de la línea de vista del satélite (LOS), expresada en mm/año. Se han diferenciado tres áreas: 2 de ellas áreas urbanas, situadas sobre depósitos aluviales con relieve suave y pendientes inferiores a 12º con velocidades medias de desplazamiento que pueden llegar a -20,7 – -10,0 /-10,0 – -5,0 mm/año, afectadas por inundaciones periódicas por el desbordamiento del Río Guayas; la tercera es un área urbana sobre una de las laderas de la Cordillera Chongón Colonche, donde se observa un antiguo deslizamiento con velocidades medias de desplazamiento entre -2,0 – 2,0/2,0 – 5,0 mm/año, afectando a depósitos coluviales. Las velocidades medias obtenidas se han relacionado con factores litológicos, orográficos y de inundabilidad, identificando deformaciones compatibles con determinados riesgos geológicos, como subsidencia urbana y deslizamientos.
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8

Perkins, Dustin. Invasive exotic plant monitoring at Colorado National Monument: 2019 field season. Edited by Alice Wondrak Biel. National Park Service, July 2021. http://dx.doi.org/10.36967/nrr-2286650.

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Invasive exotic plant (IEP) species are a significant threat to natural ecosystem integrity and biodiversity, and controlling them is a high priority for the National Park Service. The North-ern Colorado Plateau Network (NCPN) selected the early detection of IEPs as one of 11 monitoring protocols to be implemented as part of its long-term monitoring program. This report represents work completed at Colorado National Monument during 2019. During monitoring conducted June 12–19, a total of 20 IEP species were detected on monitoring routes and transects. Of these, 12 were priority species that accounted for 791 separate IEP patches. IEPs were most prevalent along riparian areas. Yellow sweetclover (Melilotis officinale) and yellow salsify (Tragopogon dubius) were the most commonly detected priority IEPs along monitoring routes, representing 73% of all priority patches. Patches of less than 40 m2 were typical of nearly all priority IEP species except yellow sweetclover. A patch management index (PMI) was created by combining patch size class and percent cover for each patch. In 2019, a large majority of priority IEP patches were assigned a PMI score of low (46%) or very low (50%), indicating small and/or sparse patches where control is generally still feasible. This is similar to the numbers for 2017, when 99% of patches scored low or very low in PMI. Seventy-eight percent of tree patches were classified as seedlings or saplings, which require less effort to control than mature trees. Cheatgrass (Anisantha tectorum) was the most common IEP recorded in transects, found in 30–77% of transects across the different routes. It was the only species found in transects on all monitoring routes. When treated and untreated extra areas near the West Entrance were compared, the treated area had comparable or higher lev-els of IEPs than the untreated area. When segments of monitoring routes conducted between 2003 and 2019 were compared, results were mixed, due to the different species monitored in different time periods. But in general, the number of IEPs per 100 meters is increasing or remaining constant over time. There were notable increases in IEP patches per 100 meters on several routes in 2019: field bindweed (Convolvulus arvensis) along East Glade Park Road; Siberian elm (Ulmus pumila) in Red Canyon; yellow salsify along East Glade Park Road, No Thoroughfare Canyon, No Thoroughfare Trail, and Red Canyon; and yellow sweetclover in No Thoroughfare Canyon and Red Canyon. Network staff will return to re-sample monitoring routes in 2021.
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Otero Tapia, Amalio Segundo, Julio César Sánchez Sánchez, Luis Alejandro Forero Barón, Roy Antonio Castillo Giraldo, and Zuyin Chiquinquirá Lima Hernández. Análisis de la oferta académica en educación superior en el sur del departamento de sucre frente al potencial productivo de la región y la vocación de sus habitantes. Universidad Nacional Abierta y a Distancia, April 2021. http://dx.doi.org/10.22490/ecacen.4680.

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Con el presente trabajo se busca analizar la oferta académica presentada por las instituciones de educación superior presentes en el sur del departamento de Sucre en la región caribe colombiana, contrastándola con el potencial productivo y la vocación de sus habitantes para saber que tanto aporta dicha oferta al desarrollo a partir de su labor como actores importantes y activos dentro del departamento, de esta manera, se puede identificar cuáles con las necesidades académicas que se requiere suplir para desarrollar el potencial productivo de la región. La investigación consta de tres objetivos específicos que permiten saber que tan engranada esta la academia con el desarrollo productivo de la región, se desarrolla a través de la revisión de fuentes secundarias para obtener la información relevante para el estudio y por medio de fuentes primarias a través de entrevista a expertos de la zona para obtener información de primera mano que permita conocer la satisfacción y expectativa de sus habitantes.
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Bedoya García, Victor Daniel, and Marleny Torres Zamudio. Gestión de la información y la responsabilidad social empresarial. Universidad Nacional Abierta y a Distancia, May 2021. http://dx.doi.org/10.22490/ecacen.4694.

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El objetivo de la investigación que da origen a este documento es determinar la incidencia de la gestión de la información en la toma de decisiones empresariales y en la generación de conocimiento al interior de las organizaciones, en el marco de la Responsabilidad Social Empresarial. Se realizó una investigación descriptiva, mediante un ejercicio de revisión documental, con la consideración de tres categorías de análisis: la gestión de la información organizacional, la gestión del conocimiento, y una categoría conjunta que analiza la Responsabilidad Social Empresarial (RSE) y gestión de la información. La discusión y resultados parciales que se presentan aquí describen el proceso de toma de decisiones fundados en la gestión de la información, dentro de ello, su incidencia en la toma de decisiones relativas a los aspectos económicos, sociales y ambientales en el marco de la RSE, que viabilizan la creación de círculos virtuosos y aportan al desarrollo competitivo de las organizaciones, al bienestar de las comunidades, y a la sustentabilidad ambiental.
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