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Dissertations / Theses on the topic 'Agricultural geographics'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Albano, Gleydson Pinheiro. "Globaliza??o da agricultura e concentra??o fundi?ria no munic?pio de Ipangua?u-RN." Universidade Federal do Rio Grande do Norte, 2005. http://repositorio.ufrn.br:8080/jspui/handle/123456789/18880.

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Made available in DSpace on 2015-03-13T17:10:35Z (GMT). No. of bitstreams: 1 GleydsonPA.pdf: 815402 bytes, checksum: f9fe659f406ddf369252439d01c18227 (MD5) Previous issue date: 2005-11-18<br>This research talks about the insertion of the borough Ipangua?u-RN on the agricultural globalization process from 1979 to 2003. At the first moment (1979-1992) with the construction of the A?u?s barrage and the entry of agricultural national enterprises and secondly (1993-2003) with the entry of the multinational Del Monte Fresh Produce enterprise. During all this insertion period the impacts on the lo

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2

Camargo, Marcel Pinton de. "Aerial machine vision, geographical information system and hue for pattern classification in agriculture." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/11/11152/tde-17012019-180101/.

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In this research we aim to achieve cybernetic cohesion information flow in precision agriculture, integrating machine learning methods, computer vision, geographical information system and UAV-photogrammetry in an irrigated area with slaughterhouse wastewater, under five treatments (W100 - irrigation with superficial water and 100% of nitrogen mineral fertilization, E0, E33, E66 and E100 - irrigation with treated effluent from slaughterhouse and addition of 0, 33, 66 and 100% of nitrogen mineral fertilization, respectively) and four replications on grassland (Cynodon dactylon (L.) Pers.). Seve

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3

Didan, Kamel. "Prototype geographic information system for agricultural water quality management." Diss., The University of Arizona, 1999. http://ezproxy.library.arizona.edu/login?url=.

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4

Regan, John J., Donald F. Post, and Roy S. Rauschkolb. "Mapping the Maricopa Agricultural Center Using a Geographic Information System." Arizona-Nevada Academy of Science, 1989. http://hdl.handle.net/10150/296440.

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From the Proceedings of the 1989 Meetings of the Arizona Section - American Water Resources Association and the Hydrology Section - Arizona-Nevada Academy of Science - April 15, 1989, University of Nevada, Las Vegas, Nevada

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5

Collett, Anneliza. "The determination, protection and management of high potential agricultural land in South Africa with special reference to Gauteng." Diss., Pretoria ; [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-08042009-171427.

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6

Reyes, Lucas Y. "The Legal Green Rush| New California Agricultural Geographies in Commercial Cannabis Cultivation." Thesis, California State University, Long Beach, 2018. http://pqdtopen.proquest.com/#viewpdf?dispub=10840236.

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<p> Marijuana has been given many names that connote an underground existence, but rarely been identified as an agricultural crop. California joins a growing number of states to decriminalize adult (recreational) use of cannabis over twenty years after passing California Proposition 215 which decriminalized medical use of marijuana. Illegality kept economic impacts of cannabis agriculture in the shadows; 2008 conservative estimates for California total $20 billion in wholesale value. If, as suggested by California Assemblyman Jim Wood, cannabis is “going to be treated as an agricultural

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7

Grant, Cerkia. "Geographical indications and agricultural products investigating their relevance in a South African context /." Diss., Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-02122007-173415.

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8

Leslie, Kathryn Ann. "A geographical analysis of farming in East Griqualand." Thesis, Rhodes University, 1985. http://hdl.handle.net/10962/d1005857.

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From Preface: The study focusses on spatial aspects of farming and particularly how di stance from marketing centres influences farming activity. However, not all aspects of farming activity could be given close attention due to the limited time and funds available and it was decided to isolate two aspects of farming activity for detailed study, namely, farm size and intensity. Other variables, such as land-use, are looked at in relation to the two main variables. Although East Griqualand is the general area selected for study, for practical purposes it was decided to select areas within East

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9

Carpenter, Stephen G. "Agricultural non-point source (AGNPS) water quality modeling in a GIS environment." Morgantown, W. Va. : [West Virginia University Libraries], 2000. http://etd.wvu.edu/templates/showETD.cfm?recnum=1566.

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Thesis (M.A.)--West Virginia University, 2000.<br>Title from document title page. Document formatted into pages; contains v, 38 p. : ill. (some col.), maps (some col.). Includes abstract. Includes bibliographical references (p. 26-28).

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10

Vasconcelos, Maria Jose. "Modeling spatial dynamic ecological processes with DEVS-Scheme and geographic information systems." Diss., The University of Arizona, 1993. http://hdl.handle.net/10150/186257.

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The objective of this work is to introduce and illustrate the potential of discrete event, hierarchical modular models for simulating spatial dynamic ecological processes in geographic information systems (GIS). The knowledge based discrete-event simulation environment (DEVS-Scheme) associates stand-alone discrete event models with spatial locations represented in a GIS data base, and couples those models in a coherent manner. The dynamic models can then process spatially distributed information available in a GIS data base, and update it through time. The models also can receive external upda

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11

Siebert, Stefan. "Analysis of arid agricultural systems using quantitative image analysis, modeling and geographical information systems." Kassel : Kassel Univ. Press, 2006. http://nbn-resolving.de/urn:nbn:de:0002-1929.

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12

Siebert, Stefan. "Analysis of arid agricultural systems using quantitative image analysis, modeling and geographical information systems." Kassel Kassel Univ. Press, 2005. http://deposit.d-nb.de/cgi-bin/dokserv?idn=982924984.

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13

Smit, Christian. "Geographical information system for integrated management of agriculture and the environment." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/95795.

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Thesis (MSc)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The agricultural sector plays a valuable role in the South African economy. However, agriculture is embedded in the natural environment. The research problem revolves around the lack of an information management system, capable of integrated agricultural and environmental management to promote sustainable agricultural development on farm level. This study aimed to develop a spatial information management system to aid with integrated agricultural and environmental management. The study area consisted of a seven-farm production u

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14

Zerrouki, Miloud. "Agriculture et agro-industrie dans l'Oriental marocain." Aix-Marseille 2, 1986. http://www.theses.fr/1986AIX23008.

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L'activite agricole et agro-industrielle qui ont fait l'objet de cette etude concerne essentiellement la partie nord-est de l'oriental, c'est-a-dire l'ensemble de la province d'oujda et la partie est de la province de nador. L'agriculture constitue le secteur d'amont qui fournit les divers produits agricoles, par contre, l'agro-industrie est le secteur d'aval ou s'achemine la production vers la transformation. Dans l'etude des activites agro-industrielles (minoteries, laiteries, sucreries, huileries, conditionnement d'agrumes et de maraichage. . . ), nus avons poursuivi l'acheminement de la pr

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15

Hartkorn, Janice M. "Using Geographic Information Systems to Select Sites for Wetland Restoration in West Central Ohio’s Agricultural Areas." Wright State University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=wright1208432317.

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16

Dlamini, Luleka. "Exploring the potential of using remote sensing data to model agricultural systems in data-limited areas." Master's thesis, Faculty of Science, 2020. http://hdl.handle.net/11427/32239.

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Crop models (CMs) can be a key component in addressing issues of global food security as they can be used to monitor and improve crop production. Regardless of their wide utilization, the employment of these models, particularly in isolated and rural areas, is often limited by the lack of reliable input data. This data scarcity increases uncertainties in model outputs. Nevertheless, some of these uncertainties can be mitigated by integrating remotely sensed data into the CMs. As such, increasing efforts are being made globally to integrate remotely sensed data into CMs to improve their overall

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17

Feir, Abdulmuhssin Al. "Geographical analysis of farming systems in semiarid lands: Taif region case study." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184707.

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This dissertation presents a case study of agricultural land use patterns and marketing aspects in the Taif region of Saudi Arabia. This area is one of importance to the overall agricultural future of Saudi Arabia, being a major producer of fruits, vegetables and dates in the Kingdom. In recent years, increases in personal income associated with oil production in the Kingdom have created significant changes in the types of crops grown as well as the way of life of the small farmer. These changes include the following: (1) Because better paying jobs and an enhanced lifestyle are luring farmers

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18

Andrew, Maura. "A geographical study of agricultural change since the 1930s in Shixini Location, Gatyana district, Transkei." Thesis, Rhodes University, 1992. http://hdl.handle.net/10962/d1005509.

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This study examines the dynamics of agricultural change amongst traditional African smallholder farmers in Shixini location, Gatyana District, Transkei. This entailed an examination of the historical, regional and local causes of agricultural change and the response of the local community. What became evident was that there had been a gradual decline in agricultural output after the 1930s due to a combination of socio-economic and environmental constraints. Pressure on limited resources and land degradation, a consequence of socio-economic pressures on the African peasantry and agricultural ex

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19

Zibordi, Marianna Stella. "Analise multivariada para gestão socioeconomica e ambiental da agropecuaria na Bacia hidrografica do Rio Mogi Guaçu." [s.n.], 2004. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257254.

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Orientador: João Luiz Cardoso<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Agricola<br>Made available in DSpace on 2018-08-04T08:31:39Z (GMT). No. of bitstreams: 1 Zibordi_MariannaStella_D.pdf: 5736879 bytes, checksum: 75d65dc6bbb72d67d144ee0dcffe8998 (MD5) Previous issue date: 2004<br>Resumo: Atualmente, com a ocorrência de problemas ambientais e a necessidade de conservação e preservação, a gestão dos territórios de Bacias Hidrográficas apresenta extrema importância. O objetivo do trabalho foi levantar e analisar dados socioeconômicos e físico-ambientais

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20

Siebert, Stefan [Verfasser]. "Analysis of arid agricultural systems using quantitative image analysis, modeling and geographical information systems / Stefan Siebert." Kassel : Kassel Univ. Press, 2006. http://d-nb.info/982924984/34.

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21

Sheldon, Lauren Natasha. "The protection of geographical indications for agricultural products in Africa using trademarks and sui generis legislation." University of the Western Cape, 2014. http://hdl.handle.net/11394/4393.

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Magister Legum - LLM<br>A geographical indication (GI) is a sign by which a product is identified as having its origin in a particular territory and as having certain qualities, characteristics and a reputation, which are associated with that origin. There is currently no uniform international mechanism of protecting GIs, however, the framework for the protection of GIs is provided by Articles 22 to 24 of the Agreement on Trade-Related Aspects of Intellectual Property Rights (TRIPS). Article 23.1 provides a distinct advantage for the protection of wines and spirits as compared to the general p

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22

Ghaffari, Abdolali. "Application of geographical information systems (GIS) and crop simulation modelling in sustainable agriculture." Thesis, Imperial College London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312108.

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23

Ingram, Mrill. "Fertile ground: Geographies of knowledge about soil fertility in the United States alternative agriculture movement." Diss., The University of Arizona, 2004. http://hdl.handle.net/10150/290033.

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I argue in this dissertation, that alternative agriculture offers an epistemological challenge to the conventional approach to food production. To put it succinctly: alternative agriculture is not just about another way to grow; it's about another way to know. I test this hypothesis through an examination of the discourses of three of the more organized networks in U.S. alternative agriculture: biodynamics, organics and ecoagriculture. These networks have supported research, education and outreach activities around alternative agriculture for decades. I focus on people and institutions of the

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24

Gorman, Richard. "Health, place, and animals : the co-production of therapeutic geographies and community supported agriculture farms." Thesis, Cardiff University, 2017. http://orca.cf.ac.uk/105134/.

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This thesis aims to examine the relationships between health, place, and animals, within the context of Community Supported Agriculture (CSA) farms. The conceptual framework of ‘therapeutic landscapes’ has been used by geographers to understand the dynamic interrelations between health and place. To more critically unpack the heterogeneity of ‘therapeutic landscapes’ and engage with their more-than-human constitutive elements, I mobilise a relational approach, informed by post-structuralist thinking, examining how ‘therapeutic spaces’ emerge relationally, co-constituted by a variety of heterog

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25

Barrable, Anne. "Climate change effects on land degradation and agriculture in the Swartland, South Africa." Doctoral thesis, University of Cape Town, 2005. http://hdl.handle.net/11427/4825.

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Includes bibliographical references.<br>The Swartland is a region of sparse natural vegetation, consisting of primarily dry-land crop farming. The area is particualarly sensitive to the changing Meditterranean-type climatic conditions and is characterised by undulating terrain and a history of land degradation and soil erosion. This thesis therefore considers how future climate change may impact on soil loss in such a climatically sensitive region of central economic significance for southern Africa.

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26

Bryant, Ross Becker 1957. "Laser light scattering and geographic information systems: Advanced methods for soil particle size analysis and data display." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/278039.

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Laser light scattering (LLS) is an alternate method for determining soil particle size. Since the majority of information on particle size analysis has traditionally been derived from sedimentation methods, it is important to be able to draw a relationship between these two methods. Twenty four soil samples from a set of 214 samples analyzed by LLS were selected and also analyzed using sedimentation techniques. Particle size percentages were obtained in five different size ranges and then these two techniques were compared. Linear regression equations were developed that convert numbers obtain

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27

Smith, Margaret Blair. "Regional food security in south-central Appalachia: Connecting diet, land requirement, and agricultural carrying capacity." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50826.

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Local communities and regional networks are currently exploring the strategy of developing local and regional food systems in order to enhance food security. The relationship between food consumption and production must be tested at various scales and across geographies in order to describe how place-based diets influence agricultural land use and the degree to which a discrete agricultural land base can feed a population. This thesis used two models to integrate data from across the agricultural and nutritional sciences to test the capacity of regional food systems to meet complete diet foo

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28

Bontrager, Austin. "Estimation of agricultural soil erosion and surface water quality trends in the Cheney Lake watershed." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/13182.

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Master of Science<br>Department of Agronomy<br>Nathan Nelson<br>Phosphorus and sediment runoff are the primary cause of eutrophication in Cheney Lake, the primary water source for Wichita, Kansas. Best Management Practices (BMPs) such as no-till farming practices and nutrient management can be implemented to reduce phosphorus runoff on high-risk agricultural fields. Past efforts have established BMP use in this watershed, although the effectiveness of these efforts has not been evaluated. The goals of this project were to identify any existing water quality trends in the Cheney Lake watershed,

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29

Nelson, Andrew Darren. "The spatial analysis of socio-economic and agricultural data across geographic scales : examples and applications in Honduras and elsewhere." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.405809.

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30

Lin, Meimei. "Agricultural Intensification across the Midwest Corn Belt Region." Miami University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=miami1437751066.

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31

Castaneda, Alvarez Nora Patricia. "Geographic analysis for supporting conservation strategies of crop wild relatives." Thesis, University of Birmingham, 2016. http://etheses.bham.ac.uk//id/eprint/6942/.

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Crop wild relatives are important for agriculture due to the genetic richness they possess. They have been used in plant breeding to develop high yielding varieties; varieties with improved resistance to biotic and abiotic stresses, and enhanced nutritional content. Securing their conservation in the long-term is critical to enable the continuous development of crops’ varieties able to respond to future challenges. The work presented in this thesis is a contribution to the effort of understanding the ex situ conservation gaps of crop wild relatives, their expected response to climate change an

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32

Shad, Tabasam Jamal. "Geographical science and the Holy Qur'an : an experimental study of physical and agricultural geography in the Holy Qur'an." Thesis, University of Glasgow, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301342.

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33

Rinaldi, Parisa N. "Relationships Between Landscape Features and Nutrient Concentrations in an Agricultural Watershed in Southwestern Georgia: An Integrated Geographic Information Systems Approach." Digital Archive @ GSU, 2013. http://digitalarchive.gsu.edu/geosciences_theses/59.

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This study examined the influence of landscape features on stream nutrient concentrations within the Ichawaynochaway Creek watershed in southwestern Georgia. Baseflow concentrations of both dissolved (SRP, NO3, NH4) and total (TN, TP) nutrients were measured at 17 sampling sites monthly for a period of six months (July 2012 to January 2013). A long-term dataset (January 2008 to March 2012) was also analyzed for baseflow/stormflow comparisons of dissolved nutrient concentrations. Relationships among land-use, geology, soils, physiographic features and nutrients were analyzed at both the sub-wat

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34

Kennedy, Kristen. "A socio-ecological systems approach to understanding development in a dynamic world : a case study of traditional agriculture in Pondoland, South Africa." Master's thesis, University of Cape Town, 2015. http://hdl.handle.net/11427/15532.

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Arguably one of the greatest challenges currently facing humankind is the linking of environmental sustainability with poverty reduction and social justice. These issues all come to a head in the rural smallholder agricultural regions of "underdeveloped" Africa .In these settings climate change and food security are but two of the many challenges faced on a daily basis, compounded by the need for "development". Through a case study of smallholder farmers facing multiple contested development trajectories, this research takes a social-ecological systems approach in order to: 1. investigate the

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35

Calero, Adolfo Eberhard. "An Investigation of Fertilizer-Derived Uranium in Ohio Agricultural Soils." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1587651244115868.

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36

Hilsinger, Roni. "Os Efeitos do PRONAF no setor primário de São Lourenço do Sul, RS - 1996/2006." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2007. http://hdl.handle.net/10183/12505.

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Na última década a agricultura familiar passou por transformações importantes e inéditas. A nova dinâmica econômica, globalizada é acompanhada por outra dinâmica política e institucional, que reconheceu a agricultura familiar como um setor econômico importante, insere a agricultura familiar nas atenções das políticas públicas. Um exemplo é o Programa Nacional de Fortalecimento da Agricultura Familiar (PRONAF) que surgiu em 1996 e representa uma importante mudança paradigmática nas políticas públicas para a agricultura familiar, por meio de uma política de crédito e assistência técnica, adequad

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McNulty, Wendy. "The creation of a GIS database and the determination of sludge's spectral signature in an agricultural setting." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=bgsu1120596906.

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38

Olszewska, Dorota Olga. "Wetland planning in agricultural landscape using Geographical Information System : A case study of Lake Ringsjön basin in South Sweden." Thesis, Linköping University, Department of Water and Environmental Studies, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-3192.

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<p>The problem of increasing eutrophication encouraged the Baltic States to implement new measures, which would help to decrease the nutrient load into the Baltic Sea. Constructed wetlands are considered as one of the possible solutions to the problem of nutrient leakage from agricultural areas in Sweden.</p><p>The aim of this study was to identify the best wetland locations in the Lake Ringsjön basin (in southern Sweden, Scania) using Land Score System (LSS) based on Geographic Information System (GIS). The required area of wetland was calculated on the base of average daily discharge in the

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Wilkes, Graham A. "Utilizing geographic information systems (GIS) for the modeling of warm season soil loss in eastern Ontario, Canada." Thesis, University of Ottawa (Canada), 2004. http://hdl.handle.net/10393/26809.

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Soil loss in eastern Ontario is of great concern. The objective of this study is to map soil loss risk in Eastern Ontario for 2001. The universal soil loss equation (LISLE), the universal soil loss equation 2 dimensions (USLE2D), and the unit stream power erosion deposition (LISPED) models are applied within a Geographic Information System (GIS) to calculate soil loss within agricultural fields. Hourly precipitation, soil survey, digital elevation, field boundary, and satellite imagery data are main inputs used to generate model parameters at non-depositional areas. These datasets are integrat

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Donald, Ann Jean. "Landscape function analysis and ecological management of an agricultural landscape." Thesis, Stellenbosch : University of Stellenbosch, 2005. http://hdl.handle.net/10019.1/2842.

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Thesis (MSc (Geography and Environmental Studies))--University of Stellenbosch, 2005.<br>In the past, development was allowed in agricultural areas which would not be acceptable under current planning policy. There is a growing need to develop and maintain highly productive and ecologically stable agricultural systems. One approach to encourage better land management and utilisation is the international certification of a farm’s production practices.

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Drake, Luke. "The Emergence of Community Gardens in Miami, Florida: Geographical Perspectives." Scholarly Repository, 2010. http://scholarlyrepository.miami.edu/oa_theses/35.

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Community gardens (CGs) have been well studied in several North American cities, but less is known about them in places with emerging CG movements. There are no existing studies on CGs in Miami and the total number of CGs in Miami is unknown, but in the past five years there has been rapid increase in interest on this topic from a variety of stakeholders and organizations. To add to the empirical knowledge of CGs, the author conducted case studies on the six highest profile projects. This exploratory research consisted of 12 semi-structured interviews and analysis of government records and

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Clark, Robert G. "Effects of agricultural land use on the biology of the red-winged blackbird (Agelaius phoeniceus)." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=71964.

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The biology of the red-winged blackbird (Agelaius phoeniceus) was studied in relation to variations in agricultural landscapes of southwestern Quebec, eastern Ontario, and southwestern Ontario by examining the relationships between corn (Zea mays) production and population size, distribution of territorial males, and morphology. Dietary studies showed consistent use of corn during their 6-9 month residency in these regions, and during winter months.<br>A positive correlation was found between independent estimates of the density of males and counts of red-wings obtained from the North American

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43

Le, Roux Jacobus Johannes. "Soil erosion prediction under changing land use on Mauritius." Pretoria : [s.n.], 2005. http://upetd.up.ac.za/thesis/available/etd-06122006-105202.

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Mazumdar, Sohinee. "Geographic information systems in the application of precision agriculture for sustainable sugarcane production in the Republic of Panama." Thesis, McGill University, 2008. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18772.

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Geographic Information Systems (GIS) have revolutionized the development of the sophisticated resource management method known as Precision Agriculture (PA). PA involves the wise management of agricultural inputs based on knowledge of soil and plant health heterogeneity over a field, in order to minimize environmental impact and increase economic efficiency. A GIS platform was created as the basis of PA implementation at Azucarera Nacional sugarcane plantation in Panama. Field data collection took place over two years, from 2005 to 2006. A digital map of Mangote plantation was created and link

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Zappalaglio, Andrea. "The why of geographical indications." Thesis, University of Oxford, 2018. http://ora.ox.ac.uk/objects/uuid:d7124003-81b5-4d7b-8c27-eba29c8a3d24.

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This thesis explores the historical evolution of the nature of the link between a product and its place of origin in the European sui generis systems of GI protection, with a specific focus on the EU Regulation 1151/2012 on Geographical Indications for the protection of agricultural products and foodstuffs. It concludes that this link has substantively changed, since the 1930s, when some early forms of sui generis GI systems were introduced in southern Europe, especially in France and Italy. While these regimes were based exclusively on the concept of terroir, a cipher for the physical link be

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Abid, Muhammad Verfasser], and Jürgen [Akademischer Betreuer] [Scheffran. "Climate change Impacts and Adaptation in the Agricultural Sector of Pakistan- Socioeconomic and Geographical Dimensions / Muhammad Abid ; Betreuer: Jürgen Scheffran." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2017. http://d-nb.info/1124591249/34.

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47

Mousavizadeh, Mohammad Hassan. "Integration of a geographic information system and a continuous nonpoint source pollution model to evaluate the hydrologic response of an agricultural watershed." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0015/NQ44524.pdf.

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48

Smith, Stacey Carol. "Predicting Soil Erosion in the Santa Rosa Creek Watershed Using RUSLE2 and Geographic Information Systems." DigitalCommons@CalPoly, 2011. https://digitalcommons.calpoly.edu/theses/503.

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The Santa Rosa Creek watershed is one of the most pristine watersheds on California’s Central Coast. Preserving this watershed is of great interest because it provides rich soils for agriculture, vast rangelands for cattle, and flowing streams for federally threatened species such as steelhead trout. Soil erosion could impact these resources. Using prediction tools, it is possible to study the erosion that could be occurring in a watershed and identify locations which could contribute the highest amounts of sediment. The objectives of this study were to use RUSLE2 and Geographic Informatio

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Juin-Rialland, Cécile. "Geographie des installations en agriculture dans les pays de la loire : elements de comparaison avec le quebec." Nantes, 1992. http://www.theses.fr/1992NANT3006.

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L'objet de cette recherche est de decrire, expliquer et comprendre l'inegale repartition geographique du nombre, des types et des processus d'installation en agriculture. L'hypothese de travail, qui s'est verifiee, est la mise en valeur d'une diversification des formes d'etablissement en agriculture, la succession traditionnelle pere-fils etant a court terme remise en cause par l'effondrement des naissances d'enfants d'agriculteurs. Une etude comparative entre deux territoires eloignes mais proches dans leurs structures socioeconomiques (espaces ruraux densement peuples, marques par une histoi

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Nelson, Merritt R., and Thomas V. Orum. "A Pilot Project to Evaluate the Use of Geographic Information Systems (GIS) to Analyze Regional Data on Pests and Diseases of Vegetables." College of Agriculture, University of Arizona (Tucson, AZ), 1992. http://hdl.handle.net/10150/214513.

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Abstract:

Geographic Information Systems (GIS) are computer databases that organize information in a spatial framework. This allows the analysis of data based in part on location. A pilot project has been set up in the Yuma Valley to explore the use of GIS to study the influence of crop sequences, weeds, urban areas, and insect vector populations on the incidence of virus diseases of vegetables. The goal is to learn to collect field observations in such a way that long term regional trends can be understood and visualized. Such information can then be used in management plans.

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