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Dissertations / Theses on the topic 'Peruvian plant'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Edwards, David P. "Mutualism and cheating in a Peruvian ant-plant symbiosis." Thesis, University of East Anglia, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.423805.

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2

Heathcote, Steven John. "The ecology of vascular epiphytes in the Peruvian Andes." Thesis, University of Oxford, 2013. http://ora.ox.ac.uk/objects/uuid:d7bee986-6066-48a1-8849-4aed22a3d766.

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Little is known about the composition of tropical epiphytic communities and the influence of environmental variables on community composition. In this thesis I quantify the diversity and biomass of bromeliads, and other vascular epiphytes along an altitudinal transect on the eastern slope of the southeast Peruvian Andes and then look for species’ adaptations related to patterns of diversity and biomass. I compare patterns with those of woody species. Bromeliad species, like tree species, were found to form ecological zones related to climate. The lowest altitude ecological zone (below 1250 m)

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3

Bravo, Avila Catherine Heidy. "Root:Shoot Ratio and Specific Leaf Area Along an Elevational Gradient in the Peruvian Andes." FIU Digital Commons, 2013. http://digitalcommons.fiu.edu/etd/884.

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Andean montane forests are one of the most diverse ecosystems on Earth, but are also highly vulnerable to climate change. Therefore, the link between plant distribution and ecosystem productivity is a critical point to investigate in these ecosystems. Are the patterns in productivity observed in montane forest due to species turnover along the elevational gradients? Methodological constraints keep this question unanswered. Also, despite their importance, belowground biomass remains poorly quantified and understood. I measured two plant functional traits in seedlings, root:shoot ratio and speci

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4

Lerch, Natalie Corinna. "Home gardens, cultivated plant diversity, and exchange of planting material in the Pacaya-Samiria National Reserve area, northeastern Peruvian Amazon." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0019/MQ54998.pdf.

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5

Perrault-Archambault, Mathilde. "Who manages home garden agrobiodiversity? : patterns of species distribution, planting material flow and knowledge transmission along the Corrientes River of the Peruvian Amazon." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=83198.

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Agrobiodiversity constitutes an essential resource for traditional rural populations. Home gardens are "hotspots" of agrobiodiversity and important loci of in situ conservation efforts. This study seeks to understand the factors affecting gardeners' choices and to assess the accessibility of planting material in rural communities of the Peruvian Amazon. Household surveys and garden inventories conducted in 15 villages of the Corrientes river (n = 300), and case studies in three of these villages (n = 89), allowed to describe the local and regional patterns of garden agrobiodiversity and

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6

Ulloa, Urizar Gabriela, Luis Miguel Angel Aguilar, Lama Odría María del Carmen De, Lizarzaburu José Camarena, and Valle Mendoza Juana Del. "Antibacterial activity of five Peruvian medicinal plants against Pseudomonas aeruginosa." Elsevier B.V, 2015. http://hdl.handle.net/10757/576909.

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Objective: To evaluate the susceptibility of Pseudomonas aeruginosa (P. aeruginosa) in vitro to the ethanolic extracts obtained from five different Peruvian medicinal plants. Methods: The plants were chopped and soaked in absolute ethanol (1:2, w/v). The antibacterial activity of compounds against P. aeruginosa was evaluated using the cupplate agar diffusion method. Results: The extracts from Maytenus macrocarpa (“Chuchuhuasi”), Dracontium loretense Krause (“Jergon Sacha”), Tabebuia impetiginosa (“Tahuari”), Eucalyptus camaldulensis Dehn (eucalyptus), Uncaria tomentosa (“Uña de gato”) exhibite

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7

More, Daniel Enoc Macarlupu. "Plan de negocio para la comercialización de una compota peruana para niños y bebés." Master's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/654494.

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El presente trabajo de investigación consiste en la elaboración de un plan de negocio para el lanzamiento de una nueva compota o papilla para niños y bebés elaborada sobre la base de la denominada “Papa dulce del Perú”: el nutritivo camote peruano. Esta nueva compota llevará el nombre de “Baby Perú” y se presentará al mercado en tres sabores diferentes: “la naranjita”, “la moradita” y “la blanquita”, los cuales harán referencia a las variantes en sabores que ofrece esta raíz peruana: el camote naranja, el camote morado y el camote blanco, respectivamente. La propuesta de negocio se fun

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8

Arias, Ramírez Angela Renee. "Biotecnología y metabolitos secundarios en Lepidium peruvianum Chacón, "Maca"." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2002. https://hdl.handle.net/20.500.12672/1401.

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Lepidium peruvianum Chacón (maca), es una crucífera altoandina, que crece a entre los 3,500 y 4500 m.s.n.m. Originaria de la meseta del Bombón, en los departamentos de Junín y Pasco; por sus cualidades medicinales y su alto valor nutritivo, es una planta de alto interés económico, cuyo cultivo se ha extendido a otras regiones de nuestro país. En el presente trabajo se estudió la susceptibilidad de la especie a las técnicas del cultivo de tejidos como herramienta de producción de metabolitos secundarios. Se realizó la inducción de callos en diferentes explantes de L. peruvianum utilizando la au

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9

Cruzado, Tafur Edith Maricela. "Assessment of accumulation of selected metals by native plants growing in polluted peruvian post-mining areas." Doctoral thesis, Pontificia Universidad Católica del Perú, 2021. http://hdl.handle.net/20.500.12404/19152.

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Metal mining is one of the economic pillars of the Peruvian economy. Peru is the main producer of gold, zinc, lead, and tin in Latin America and the second largest producer of copper, silver, and zinc worldwide. Despite its economic importance, mining has also left a plethora of Mining Environmental Liabilities (MEL) whose inadequate waste management represents a risk for both the environment and human health and is a common trigger of social problems. The Cajamarca región is the second región in Peru in terms of the number of MEL sites with the majority of them located in the Hualgayoc distri

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10

Ayambo, Saavedra Luis Danny. "Optimización del proceso de extracción etanólica de Lepidium peruvianum Chacón, "maca"." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2006. https://hdl.handle.net/20.500.12672/1111.

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El presente trabajo de investigación desarrolla una metodología para la optimización del proceso que incremente la extracción de glucosinolatos principalmente el benciglucosinolato del extracto etanólico de la raíz tuberosa de Lepidium peruvianum Chacón (Maca) bajo la forma de extracto atomizado. El proceso optimizado se inicia con la recolección de la raíz tuberosa de Lepidium peruvianum Chacón (maca) procedente de distrito de San Francisco de Uco (Junín), se le adiciona nitrógeno líquido para disminuir la temperatura a – 50° C que inhibe la actividad de las mirosinasas, enzimas que degra

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11

Midoko, Iponga Donald. "Invasive potential of the Peruvian pepper tree (Schinus molle) in South Africa." Thesis, Stellenbosch : University of Stellenbosch, 2009. http://hdl.handle.net/10019.1/3975.

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Thesis (PhD (Conservation Ecology and Entomology))--University of Stellenbosch, 2009.<br>ENGLISH ABSTRACT: Natural and semi-natural ecosystems and human communities worldwide are under siege from a growing number of destructive invasive alien species. Alien species are those whose presence in an area is due to intentional or accidental introduction as a result of human activities. Some alien species become invasive, and some cause tremendous destruction to the ecosystem and their stability, but we do not yet understand fully the many factors that determine the levels of invasiveness in al

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12

Ulian, Tiziana. "The demography of Oritrophium peruvianum (LAM.) Cuatr. and the impacts of harvesting on its populations in the Venezuelan Andes." Thesis, University of Greenwich, 2004. http://gala.gre.ac.uk/6327/.

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Oritrophium peruvianum (Lam.) Cuatr. is a perennial species, endemic to the Páramos of the Cordillera of Los Andes. In Venezuela, where it is known as Frailejón morado, it is harvested for its widely acclaimed medicinal properties in treating asthma, bronchitis, and influenza. This study aimed to investigate the biology and ecology of O. peruvianum and the impacts of harvesting on its populations. Undisturbed populations of O. peruvianum were dominated by adult vegetative individuals, with middle-sized plants prevailing and with low densities of large adults, whilst densities of small plants w

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13

Tejada, Rodriguez Adriana Cecilia. "E-marketing strategy for introducing peruvian products in selected European country." Master's thesis, Vysoká škola ekonomická v Praze, 2010. http://www.nusl.cz/ntk/nusl-71815.

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The Internet has revolutionized the way the world used to work by becoming a crucial part in people's lifestyle. Nowadays, the speed and extent with which people can communicate has reached unimaginable levels, affecting significantly their behavior and the way they do business. This thesis aims to clarify how does business models have changed with the implementation of the Internet by introducing one of its newest e-business models, an "online store" and its following e-marketing plan concepts. Similarly, the thesis also aims to elaborate a project where this e-business model is used to intro

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14

Gordillo, Luis F. Jr. "Identification and Manipulation of Resistance to Tomato Spotted Wilt Virus Derived From Solanum peruvianum." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/2180.

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The domesticated tomato Solanum lycopersicum (L.), formerly known as Lycopersicon esculentum is a genetically well-studied crop species with high-density linkage and molecular maps based on crosses done between cultivated tomato and its distant related wild species. Wild tomato species harbor a wealth of resistance to many pathogens that have been introgressed into domesticated tomato for genetic control of diseases and pests and for improvement of many agronomic traits. The wild tomato S. peruvianum (L.) is the source of the Sw-5 gene, characterized and mapped to chromosome 9 of the tomato ge

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15

Albín, Casanova Ana Paula, Castagnino Alexis Raúl Castañeda, Rojas Jessica Milagros Robles, and Saenz José Daniel Zegarra. "Propuesta de plan de negocio de una nueva marca de ropa en la categoría streetwear." Master's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2018. http://hdl.handle.net/10757/625867.

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El propósito del siguiente trabajo es evaluar la factibilidad y viabilidad de emprender un proyecto textil al cual denominaremos INSPIRE, estará centrado en el segmento de ropa urbana, sus atributos diferenciales serán: diseños únicos hechos por artistas locales, calidad del algodón peruano y el espíritu de ayudar a la sociedad. INSPIRE apunta a un segmento de consumidores que buscan una marca que los ayude a expresarse y al mismo tiempo vivir sus valores e intereses. Se decidió abordar el tema, pues a nivel mundial, la moda urbana viene siendo tendencia desde hace más de 40 años y el Perú

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16

Carbajal, Chauca Carolina Maria Rosa, Gamarra Jaqueline Castro, Avellaneda Katherine Paola Vidalon, and Bardales Virginia Beatriz Viena. "Pijamas Ser." Bachelor's thesis, Universidad Peruana de Ciencias Aplicadas (UPC), 2020. http://hdl.handle.net/10757/652914.

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El objetivo del presente trabajo de investigación es desarrollar la propuesta de negocios de una línea de pijamas femeninas multifunción, elaboradas con materiales 100º% peruanos y que satisfaga los requerimientos actuales del público objetivo. Se ha identificado que existe un amplio mercado que necesita prendas cómodas, de excelente calidad pero al mismo tiempo versátiles. Se atenderá a este público a través de una plataforma de ventas virtual y se espera que los acabados y diseños exclusivos refuercen el nivel de atracción y captación de la propuesta. Además, se promoverá el trabajo digno en

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17

García, Hurtado Jacquelin. "Comparación de la actividad de extractos de Lepidium peruvianum Chacón (maca) sobre leucocitos procedentes de individuos saludables e infectados con el virus de la inmunodeficiencia humana (HIV)." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2010. https://hdl.handle.net/20.500.12672/879.

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La infección con el virus de la inmunodeficiencia humana (HIV), causa una profunda inmunodepresión que expone a las personas infectadas a diversas infecciones oportunistas. Lepidium peruvianum Ch. presenta varias propiedades como, su capacidad estimulante de la reproducción y energizante, investigaciones recientes han demostrado su capacidad antitumoral e inmunoestimulante. El objetivo del presente trabajo fue determinar la actividad de tres tipos de extractos (clorofórmico, acuoso y metanólico) de L. peruvianum Ch. en cultivos de leucocitos de personas saludables y HIV-1+. Para ello, célula

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18

Torres, Gonzales Dina. "Efecto modulador de la respuesta inmune humoral de extractos de Lepidium peruvianum Chacón (Maca) en ratones inmunosuprimidos con ciclosfosfamida." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2008. https://hdl.handle.net/20.500.12672/916.

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Las raíces de Lepidium peruvianum Chacón (maca) son reconocidas por sus propiedades curativas dentro de la medicina tradicional, estas poseen metabolitos secundarios con actividad biológica como alcaloides, flavonoides y glicosinolatos que podrían estimular la recuperación del sistema inmune en animales con inmunosupresión experimental por Ciclofosfamida (CP) que induce supresión del sistema inmune humoral en ratones. El presente trabajo tuvo como objetivo comprobar el efecto modulador de la maca sobre la respuesta inmune humoral en ratones suprimidos con ciclofosfamida. Fueron obtenidos tr

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19

Lockwood, Devi(Devi Kailasa). "The living library : an indigenous community in the Peruvian Amazon is combating climate change, deforestation, and loss of traditional knowledge by preserving their plants in the wild." Thesis, Massachusetts Institute of Technology, 2019. https://hdl.handle.net/1721.1/123784.

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Thesis: S.M. in Science Writing, Massachusetts Institute of Technology, Department of Comparative Media Studies/Writing, 2019<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 28).<br>Farmacia Viva Indigena, the Living Indigenous Pharmacy, is five hectares of primary forest in the Amazon preserved as an intact library of indigenous plants, many of them medicinally useful, near the river village of Paoyhan in Ucayali, Peru. The library is an indigenous climate adaptation strategy in the rainforest, and an effort to revive the Shipibo-Conibo culture of healing

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20

Lombardi, Simone Pacheco. "Estudo funcional de um locus de regeneração (Rg1) vindo de Solanum peruvianum, uma espécie selvagem relacionada ao tomateiro." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11144/tde-22072008-161223/.

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A regeneração in vitro é bastante utilizada em processos biotecnológicos. No entanto, pouco se conhece sobre os mecanismos envolvidos na aquisição de competência para formação de novos órgãos. Em tomateiro (S. lycopersicum), a alta capacidade de regeneração in vitro é atribuída ao alelo Rg1, vinda de Solanum peruvianum, e que está presente na cv MsK (S. lycopersicum x S. peruvianum). Os genes de nanismo da cv Micro-Tom (MT) foram passados para MsK, obtendo-se, após 8 gerações de autofecundação (F8), a cv Micro-MsK. No presente estudo, após 6 gerações de retrocruzamentos (BC6Fn), criou-se MT-Rg

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21

Alvarez, Salazar Evelyn Katy. "Estudio comparativo de la actividad moduladora del extracto metanólico de cuatro ecotipos de Lepidium peruvianum Chacón (maca) sobre la respuesta inmune humoral y celular en ratones." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2008. https://hdl.handle.net/20.500.12672/919.

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Lepidium peruvianum (maca), es un cultivo tradicional de los Andes Centrales del Perú y es empleada desde tiempos precolombinos como una planta medicinal y alimenticia. Los cultivares de maca se diferencian por el color externo de la raíz denominándose a cada uno como ecotipo. Estudios anteriores reportaron que los diferentes ecotipos de maca presentan diferencias en cuanto a su actividad biológica. Los objetivos del presente estudio fueron: Determinar la concentración de flavonoides, calcio y hierro en el extracto metanólico (EM) de los ecotipos blanco, morado, rojo y negro; comprobar la act

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22

Llenque, Saavedra Juan Denis. "Estudio de prefactibilidad para la instalación de una planta de deshidratación del fruto de aguaymanto (physalis peruvian L) para el desarrollo socioeconómico de las comunidades agricultoras en la región Cajamarca." Bachelor's thesis, Universidad Católica Santo Toribio de Mogrovejo, 2015. http://tesis.usat.edu.pe/handle/usat/958.

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Resumen: El aguaymanto ha sido tomado como una oportunidad de nuevos ingresos en países como Chile y Colombia los cuales abastecen al mercado europeo, en diversas presentaciones; generalmente en fresco o en conserva. Debido a la gran demanda de este fruto, existe la oportunidad para las comunidades de la región Cajamarca, supervisadas por la ONG FUNDER PERU, de generar valor agregado a este fruto, que por diversas causas ha sido desaprovechado. Esta investigación está referida al estudio de prefactibilidad para la instalación de una planta deshidratadora de aguaymanto, provenientes de los semb

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23

Quispe, Mascco Jenny Mariella. "Respuesta inmune humoral y celular a la vacuna contra la hepatitis B en individuos sanos tratados con maca pulverizada (Lepidium peruvianum Chacón, ecotipo amarillo)." Bachelor's thesis, Universidad Nacional Mayor de San Marcos, 2010. https://hdl.handle.net/20.500.12672/11093.

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La investigación busca medir la producción de anticuerpos anti-HBs al 1, 2 y 6 meses, evaluar la seroconversión y seroprotección en ambos grupos; cultivar células mononucleares de sangre periférica para el estudio de la producción de óxido nítrico (NO), comparar el recuento diferencial de la población de linfocitos CD3+CD4+ (LT cooperadores) y CD3+CD8+ (LT citotóxicos) y finalmente realizar un hemograma a todos los voluntarios al mes y a los 2 meses de iniciado el tratamiento para el recuento de leucocitos, eritrocitos, neutrófilos, linfocitos, basófilos, eosinófilos y monocitos; así como ta

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24

Boswell, John Bentley. "A history of the air bridge denial program in Peru: the evolution, errors, and fallout of a covert United States-Peruvian counternarcotics air interdiction program, culminating with the 2001 mistaken shootdown of a missionary plane over the Amazon jungle." Master's thesis, Pontificia Universidad Católica del Perú, 2019. http://hdl.handle.net/20.500.12404/15345.

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During the 1990s, the Governments of Peru and the United States established a counternarcotics air interdiction program called Air Bridge Denial over the Peruvian Amazon. During this program the United States Central Intelligence Agency conducted surveillance missions over Peru’s coca growing regions, and passed suspicious aircraft location data to the Peruvian Air Force, who would then intercept the suspected narcotrafficking aircraft and force them to land or be shot down. The program was interrupted in 2001 following the accidental shootdown of a missionary floatplane over Peru, which

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25

Chawla, Bindu. "Genetic analysis of the breakdown of self-incompatibility in Lycopersicon peruvianum." 1996. https://scholarworks.umass.edu/dissertations/AAI9709582.

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In the first part of the thesis, experiments are described where self-compatible tetraploids of L. peruvianum were isolated from tissue culture and the expression and inheritance of their S-related proteins was explored. The S-related protein profiles of styles of self-compatible tetraploids were indistinguishable from the diploid self-incompatible explant source based on SDS-PAGE. Progenies obtained from self-fertilization of two tetraploids were all found to be self-compatible. Cloned cDNA sequences of the S-related proteins were used to determine the inheritance at the locus in these progen

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26

Postigo, Mac Dowall Julio Cesar. "Responses of plants, pastoralists, and governments to social environmental changes in the Peruvian Southern Andes." Thesis, 2012. http://hdl.handle.net/2152/ETD-UT-2012-05-4963.

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Anthropogenic global changes are altering properties and functions of social and ecological systems at multiple spatial and temporal scales. In addition to climate change, the Peruvian Southern Andes has also experienced dramatic political and social change. This dissertation addresses the responses of plants, humans, communities and sub-national governments to the impacts of these changes. Methods from both the social and natural sciences were used at three levels: 1) on the forelands of the Quelccaya ice cap a chronosequence approach was used and 113 quadrats (1m2) sampled the vegetation cov

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27

Gastanadui, Lyli Ana. "Teacher evaluation and resistance to change : a mixed-methods study of the Peruvian new teacher career law." 2013. http://hdl.handle.net/2152/21350.

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This mixed-methods sequential explanatory study explored the causes of teachers' resistance to evaluation reform. Teachers in this study demonstrated both resistant and compliant behaviors in response to a particular evaluation policy, which also started a process for teachers to express concerns over the implementation of a new law governing teachers' careers. This research study utilized quantitative and qualitative methods for data collection and analysis, including surveys, interviews, and program documents. The responses, insights, and perspectives of 433 public school teachers provided t

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28

Tucker, Charlene A. "An application of a geographic information system for mapping the preferred habitats of ethnopharmacologically important plants in the tropical forests of the Peruvian Amazon /." 1997. http://www.gbv.de/dms/bs/toc/249237938.pdf.

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