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Готові списки джерел за темами / Crops and climate / Дисертації

Щоб переглянути інші типи публікацій з цієї теми, перейдіть за посиланням: Crops and climate.

Дисертації з теми "Crops and climate"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 31 липня 2024

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1

Kambanje, Ardinesh. "Productivity and profitability of different maize varieties and cropping systems used in the smallholder sector of the Eastern Cape Province of South Africa : implication on food security." Thesis, University of Fort Hare, 2018. http://hdl.handle.net/10353/6237.

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Low maize yields in the midst of abundant arable land, favourable climatic conditions, input and financial support programs, plagues smallholder maize farming in Eastern Cape Province. These scenarios have led the province to be a net importer of maize. In essence, low production may signify a mis-match between maize varieties being promoted amongst smallholder farmers and their farming system. Thus, the main objective of the study was to investigate the productivity and profitability of different maize varieties and cropping system under smallholder agriculture in selected villages of the Eas

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2

Schmidt, Holger. "Neue stabile Germylene Ligandeneffekte, Struktur, Reaktivität /." [S.l. : s.n.], 1998. http://catalog.hathitrust.org/api/volumes/oclc/76007677.html.

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3

Ng, Wai-yip. "Impact of climatic change during little ice age on agricultural development in north China, 1600-1650 Xiao bing qi qi hou bian qian yu Hua bei nong ye fa zhan : 1600-1650 nian jian de guan cha /." Click to view the E-thesis via HKUTO, 2009. http://sunzi.lib.hku.hk/hkuto/record/B43209397.

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4

Wang, Xuhui. "Impacts of climate change and agricultural managements on major global cereal crops." Electronic Thesis or Diss., Paris 6, 2017. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2017PA066625.pdf.

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Les terres cultivées représentent un cinquième de la surface émergée de la Terre. Elles fournissent des nutriments à l'homme, modifient le cycle biogéochimique et l'équilibre énergétique de la terre. L’évolution des terres cultivées dans le contexte du changement climatique et avec une intensification des actions anthropiques constitue un enjeu important pour la sécurité alimentaire et les exigences environnementales du développement durable. Le manuscrit de thèse s’inscrit dans cette thématique en exploitant les données de différentes sources et la modélisation numérique. Les données utilisée

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5

Champalle, Clara. "Cash crops and climate shocks: flexible livelihoods in Southeast Yunnan, China." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114509.

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The rural landscape of the People's Republic of China has changed dramatically from land collectivization in the 1950s to the decollectivization reforms initiated by Deng Xiaoping in 1979. By the mid-1980s each rural household had again become responsible for its own agricultural production, and food security began to improve, even within the most remote areas. To further this agrarian transition, in the late 1990s the central state devised the Western Development Strategy to advance its 'less developed' western regions, within which provincial governments subsidized cash crops. The aim of thi

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6

Wang, Xuhui. "Impacts of climate change and agricultural managements on major global cereal crops." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066625/document.

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Les terres cultivées représentent un cinquième de la surface émergée de la Terre. Elles fournissent des nutriments à l'homme, modifient le cycle biogéochimique et l'équilibre énergétique de la terre. L’évolution des terres cultivées dans le contexte du changement climatique et avec une intensification des actions anthropiques constitue un enjeu important pour la sécurité alimentaire et les exigences environnementales du développement durable. Le manuscrit de thèse s’inscrit dans cette thématique en exploitant les données de différentes sources et la modélisation numérique. Les données utilisée

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7

Ozdes, Mehmet. "The effect of climate and aerosol on crop production: a case study of central Asia." Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/48997.

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The effect of recent climate change in Central Asia poses a significant and potentially serious challenge to the region’s agricultural sector. An investigation of the aerosol-climate- crop yield correlation in this region is essential for a better understanding of the effect of aerosols and climate on Central Asian agriculture. Our goal is to investigate the linkages between aerosol, climate and major crop production (cotton, maize, wheat, and rice) in specified agricultural regions in the five Central Asian countries. Our approach is to perform the Pearson’s Correlation Coefficient analysis i

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8

Ng, Wai-yip, and 吳偉業. "Impact of climatic change during little ice age on agricultural development in north China, 1600-1650." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2009. http://hub.hku.hk/bib/B43209397.

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9

Almaraz, Suarez Juan Jose. "Climate change and crop production in southwestern Quebec : mitigation and adaptation." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=103364.

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Anthropogenic greenhouse gas emissions are the main cause of increasing global temperatures. Climate change will affect crop production in Canada and, in turn agriculture has the potential to mitigate climate change. Analysis of historical climate and corn yield data, and field and greenhouse experiments were carried out in order to study the effect of climate variability and changes on corn yield, the adaptability of cropping systems to climate change conditions, the effect of tillage on soil greenhouse gas emissions (CO2 and N2O) associated with corn and soybean production, and the potential

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10

Sundelin, William. "Growing crops or growing conflicts? : Climate variability, rice production and political violence in Vietnam." Thesis, Försvarshögskolan, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:fhs:diva-9757.

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This thesis contributes to research on climate change and violent conflict by testing the theory of a causal relationship between climate variability, agricultural production and political violence in the case of Vietnam 2010-2019. Climate-related negative shocks to agricultural production in developing countries are expected to lower the opportunity cost of violence through an income effect. This increases the risk of violent conflict. The thesis draws on a framework that combines climate-conflict research, civil war theory and research on how climactic factors affect rice cultivation in Sout

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11

Hayman, Peter Theodore, of Western Sydney Hawkesbury University, of Science Technology and Environment College, and School of Environment and Agriculture. "Dancing in the rain : farmers and agricultural scientists in a variable climate." THESIS_CSTE_EAG_Hayman_P.xml, 2001. http://handle.uws.edu.au:8081/1959.7/138.

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This study describes how farmers manage climate variability in dryland crop production, and aims to contribute to the theory and practice of decision support for managing climate variability. The intent was to study farmer decision making to see how DSS could be used to deliver information and procedures on climate risk to farmers more effectively. The study investigated whether there are significant differences between farmers' subjective distributions of seasonal rainfall and its derivatives (such as crop yield and fallow recharge) and a probability distribution derived from long-term record

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12

Matthews-Pennanen, Neil. "Assessment of Potential Changes in Crop Yields in the Central United States Under Climate Change Regimes." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/7017.

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Climate change is one of the great challenges facing agriculture in the 21st century. The goal of this study was to produce projections of crop yields for the central United States in the 2030s, 2060s, and 2090s based on the relationship between weather and yield from historical crop yields from 1980 to 2010. These projections were made across 16 states in the US, from Louisiana in the south to Minnesota in the north. They include projections for maize, soybeans, cotton, spring wheat, and winter wheat. Simulated weather variables based on three climate scenarios were used to project future cro

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13

Boulidam, Somkhit Sansanee Choowaew. "Vulnerability and adaptation of rainfed-rice farmers to impact of climate variability in Lahakhok, Sebangnuane Tai, Dong Khamphou, and Houdhi villages of Songkhone district, Savannakhet province, Lao PDR /." Abstract, 2005. http://mulinet3.li.mahidol.ac.th/thesis/2548/cd376/4637931.pdf.

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14

Craft, Kortney E. "Economic Impacts of Drought on Kentucky Corn, Hay, and Soybeans." TopSCHOLAR®, 2011. http://digitalcommons.wku.edu/theses/1066.

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Understanding climatic impacts is important if we are to comprehend the relationship between climate and society. Weather phenomena can have environmental, economical, and social impacts. Drought is the natural hazard that affects people the most. It is also the most complex and least understood. There is no one universally accepted definition for drought which makes its examination difficult. Droughts’ duration is also difficult to determine because it has no clearly defined onset and end. Also, drought varies both geographically and temporally making uniform drought monitoring difficult. Sin

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15

Wiréhn, Lotten. "Climate Suitable Energy Crops and Biomass Energy Potentials : Assessment of the Current and Future Prospects in Estonia." Thesis, Linköpings universitet, Tema Miljöförändring, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-116481.

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Development of biomass energy plantations is one approach to mitigate and adapt to climate change and the energy challenges related to it; however, climate change will affect the climate conditions and in turn the selection of crops and trees suitable for renewable energy sources. In Estonia, electricity is mainly based on oil shale but since their integration in the European Union they are required to increase the share of energy from renewable sources. In this study, the possible changes of suitable species are assessed by examining the current and the future prospects and potentials with bi

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16

Berhane, Daniel. "Development of methods and techniques for land resource surveying for Eritrea." Pretoria : [s.n.], 2006. http://upetd.up.ac.za/thesis/available/etd-02162006-153034/.

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17

Tsang, Heung-chun, and 曾向俊. "The impact of the global-warming-led climate change on agricultural production of major grain producing regions in China." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B46733048.

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18

ARDENTI, FEDERICO. "CONTRIBUTION OF AGROECOLOGICAL MEASURES TOWARDS CLIMATE-SMART AND MULTIFUNCTIONAL FARMING SYSTEMS." Doctoral thesis, Università Cattolica del Sacro Cuore, 2023. http://hdl.handle.net/10280/135602.

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La continua crescita della popolazione mondiale, il progressivo degradamento dei suoli e il cambiamento climatico globale sono tra le più grandi sfide per l’umanità nel prossimo futuro. Pratiche non sostenibili di gestione del suolo e delle colture in agricoltura convenzionale hanno danneggiato lo stato di salute dell’agro-ecosistema e favorito il cambiamento climatico, attraverso la mineralizzazione della sostanza organica e il rilascio di forme reattive dell’azoto nelle acque e in atmosfera. L’adozione di nuove pratiche agricole sostenibili è stata indicata come una delle strade percorribili

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19

Gunathilaka, R. P. Dayani. "Economic impacts of climate change on perennial plantation tree crops: the case of tea production in Sri Lanka." Thesis, Griffith University, 2018. http://hdl.handle.net/10072/377583.

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Agriculture is one sector of the economy which is highly vulnerable to climate change because of the natural relationship between environment, particularly temperature and water availability, and agricultural productivity. Changing climate is increasingly affecting high-value perennial plantation crops such as tea, rubber, coconut, palm oil, and coffee which generate significant export revenues and provide a major source of employment for rural populations in developing countries. Many studies in the literature have focused on climate change impacts on major annual crops; however, to date, the

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20

Hayman, P. T. "Dancing in the rain : farmers and agricultural scientists in a variable climate /." View thesis View thesis, 2001. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030506.144613/index.html.

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Thesis (Ph.D.)--University of Western Sydney, Hawkesbury, 2001.<br>A thesis submitted to the Faculty of Environmental Management and Agriculture, University of Western Sydney, in fulfilment of the rquirements for the degree of Doctor of Philosophy, 2001. Bibliography : p. 252-276.

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21

Tabalaza, Nomthetho. "The impact climate change on rural households in Binfield village." Thesis, Nelson Mandela Metropolitan University, 2017. http://hdl.handle.net/10948/20626.

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Climate change poses a major environmental challenge, due to its adverse effects on human settlement patterns and food security. The global phenomenon upsets seasonal shifts, leading to changes in planting dates and weather patterns. This unpredictability has severe and adverse effects on farmers and rural communities, as variable environmental factors govern activities related to daily sustenance and food availability. The kind of rapid and intense climate change that South African rural spaces are experiencing now, increase the likelihood of extreme weather events such as droughts, heat wave

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22

Mayom, Chol Permina. "Impact of Climate Change and Weather Variability on North Dakota Agriculture." Thesis, North Dakota State University, 2008. https://hdl.handle.net/10365/29717.

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This study used county-level yields and panel data (1950-2006) to explain the Impact of climate change and weather variability on North Dakota agriculture by estimating the effect of variation in temperature and precipitation on the yields of four major crops: com, durum, soybeans and wheat. In addition to yields, the study examined Impacts of climate change on crop gross revenues per acre for all 53 counties in North Dakota. An econometric model was developed to infer statistical relationships between weather variability and crop yields. Fixed and random effects models were employed to estima

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23

Nhemachena, Charles. "Agriculture and future climate dynamics in Africa impacts and adaptation options /." Thesis, Pretoria : [s.n.], 2009. http://upetd.up.ac.za/thesis/available/etd-05302009-122839/.

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24

Oosthuizen, Hamman Jacobus. "Modelling the financial vulnerability of farming systems to climate change in selected case study areas in South Africa." Thesis, Stellenbosch: Stellenbosch University, 2014. http://hdl.handle.net/10019.1/95831.

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Thesis (PhD)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: Numerous studies indicate that the agricultural sector is physically and economically vulnerable to climate change. In order to determine possible impacts of projected future climates on the financial vulnerability of selective farming systems in South Africa, a case study methodology was applied. The integrated modelling framework consists of four modules, viz.: climate change impact modelling, dynamic linear programming (DLP) modelling, modelling interphases and financial vulnerability assessment modelling. Empirically downsca

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25

Woldetsadik, Kebede. "Shallot (Allium cepa var. ascolonicum) responses to plant nutrients and soil moisture in a sub-humid tropical climate /." Alnarp : Dept. of Crop Science, Swedish Univ. of Agricultural Sciences, 2003. http://epsilon.slu.se/a367.pdf.

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26

Vagh, Yunous. "Mining climate data for shire level wheat yield predictions in Western Australia." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2013. https://ro.ecu.edu.au/theses/695.

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Анотація:

Climate change and the reduction of available agricultural land are two of the most important factors that affect global food production especially in terms of wheat stores. An ever increasing world population places a huge demand on these resources. Consequently, there is a dire need to optimise food production. Estimations of crop yield for the South West agricultural region of Western Australia have usually been based on statistical analyses by the Department of Agriculture and Food in Western Australia. Their estimations involve a system of crop planting recommendations and yield predictio

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27

Porter, William Christian. "Air-quality and Climatic Consequences of Bioenergy Crop Cultivation." PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1042.

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Bioenergy is expected to play an increasingly significant role in the global energy budget. In addition to the use of liquid energy forms such as ethanol and biodiesel, electricity generation using processed energy crops as a partial or full coal alternative is expected to increase, requiring large-scale conversions of land for the cultivation of bioenergy feedstocks such as cane, grasses, or short rotation coppice. With land-use change identified as a major contributor to changes in the emission of biogenic volatile organic compounds (BVOCs), many of which are known contributors to the pollut

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28

Mdoda, Lelethu. "Farmers’ awareness of climate change and variability and it’s effects on agricultural productivity: (the case of King Sabata Dalindyebo Municipalty in Eastern Cape)." Thesis, University of Fort Hare, 2014. http://hdl.handle.net/10353/d1021294.

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Climate is an important factor of agricultural productivity and many rural dwellers in developing countries depend on agriculture and are highly affected by climate change and variability. The world is currently experiencing climatic changes and variability conditions which results in high temperatures, low rainfall patterns, shortage of water and drought persistence. Climate change and variability is affecting weather patterns and shifting seasons which results in serious repercussions on smallholder farmers. Smallholder farmers are extremely vulnerable to climate change and variability becau

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29

Arango, Argoti Miguel Andres. "Nitrous oxide emissions: measurements in corn and simulations at field and regional scale." Diss., Kansas State University, 2013. http://hdl.handle.net/2097/16680.

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Doctor of Philosophy<br>Department of Agronomy<br>Charles W. Rice<br>Nitrogen is critical for plant growth and is a major cost of inputs in production agriculture. Too much nitrogen (N) is also an environmental concern. Agricultural soils account for 85% of anthropogenic N₂O which is a major greenhouse gas. Management strategies for N fertilization and tillage are necessary for enhancing N use efficiency and reducing negative impacts of N to the environment. The different management practices induce changes in substrate availability for microbial activity that may result in increasing or r

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30

Rodjom, Abbey Michaella. "Coproduction of Biomass Crops and Anaerobic Digestion: Effects on the Life Cycle Emissions of Bioenergy and Bioproducts." Ohio University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1610664975665256.

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31

Steffen, Edwin, and Silvia Bergknecht. "Futterpflanzen und Klimawandel : Bewertung von Arten und Sorten landwirtschaftlicher Futterpflanzen in ihrer Reaktion auf veränderte klimatische Bedingungen." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2006. http://nbn-resolving.de/urn:nbn:de:swb:14-1165231609815-56935.

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32

Bhatasara, Sandra. "Understanding climate variability and livelihoods adaptation in rural Zimbabwe : case of Charewa, Mutoko." Thesis, Rhodes University, 2015. http://hdl.handle.net/10962/d1018928.

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Rural farmers in Zimbabwe have been grappling with various changes and challenges occurring in the country since the early 1990s. Amongst these, climate variability has emerged as one significant aspect. It has introduced new challenges for these farmers who are already facing various difficulties in maintaining their insecure livelihoods. Yet, current adaptation theories and inquiries have failed to sufficiently account for and analyse the capacity of these farmers to adequately respond to changing climatic conditions. In this respect, a number of studies have been heavily embedded in determi

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33

Wan, Shen. "Phytoremediation of Nitrous Oxide: Expression of Nitrous Oxide Reductase from Pseudomonas Stutzeri in Transgenic Plants and Activity thereof." Thèse, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/20661.

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As the third most important greenhouse gas, nitrous oxide (N2O) is a stable greenhouse gas and also plays a significant role in stratospheric ozone destruction. The primary anthropogenic source of N2O stems from the use of nitrogen in agriculture, with soils being the major contributors. Currently, the annual N2O emissions from this “soil–microbe-plant” system is more than 2.6 Tg (one Tg equals a million metric tons) of N2O-N globally. My doctoral studies aimed to explore innovative strategies for N2O mitigation, in the context of environmental microbiology’s potential contribution to alleviat

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34

Nyaga, James Njogu <1983&gt. "Assessment of Perceived impacts of climate change on agricultural crops productions and its effects on food security: A case study of small-scale farmers in Murang’a County Kenya." Master's Degree Thesis, Università Ca' Foscari Venezia, 2021. http://hdl.handle.net/10579/19853.

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35

Ribeiro, Rita da Mata. "Agroenergia na mitigação das mudanças climáticas globais, na segurança energética e na promoção social." Universidade Federal de Viçosa, 2009. http://locus.ufv.br/handle/123456789/4517.

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Made available in DSpace on 2015-03-26T13:39:34Z (GMT). No. of bitstreams: 1 texto completo.pdf: 4547948 bytes, checksum: a4e6166dd7e07196209bfe8285680cb5 (MD5) Previous issue date: 2009-08-27<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Agroenergy has a strategic role in the mitigation of Greenhouse Effect Gases (GEG), in energy security and in social movements. Two equally important factors rekindle the world-wide interest for renewable energies sources, especially those originating from biomass: i) the current perspective of the depletion of non-renewable energy reser

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36

Perdomo, López Juan Alejandro. "Acclimation of photosynthesis to water deficit and high temperature: physiological and biochemical aspects." Doctoral thesis, Universitat de les Illes Balears, 2015. http://hdl.handle.net/10803/291688.

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La demanda mundial de cultivos agrícolas para la alimentación ha experimentado un aumento notorio a través de las últimas décadas como consecuencia de la creciente población humana. Por otra parte, las predicciones globales de cambio climático predicen aumentos de temperatura y períodos de sequía más largos, especialmente en latitudes templadas, donde se encuentra la mayor parte de la producción mundial de cultivos. El presente estudio se llevó a cabo con tres de los cultivos más importantes a nivel mundial: arroz (Oryza sativa L.), trigo (Triticum aestivum L.) y maíz (Zea mays L.). Además de

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37

Lindner, Steve [Verfasser], and Dennis [Akademischer Betreuer] Otieno. "Determining the Role of Agro-Ecosystems in a Changing Climate : Quantification of CO2 exchange, Carbon allocation and Storage in the Main Agricultural Crops of South Korea / Steve Lindner. Betreuer: Dennis Otieno." Bayreuth : Universität Bayreuth, 2016. http://d-nb.info/1108406114/34.

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38

Бурлак, К. С., та Є. В. Петрушевець. "Перспективи використання Сосни чорної (австрійської) в умовах зміни клімату на прикладі Красилівського лісництва ДП «Чернігівське лісове господарство»". Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25105.

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Бурлак, К. С. Перспективи використання Сосни чорної (австрійської) в умовах зміни клімату на прикладі Красилівського лісництва ДП «Чернігівське лісове господарство» : випускна комплексна кваліфікаційна робота : 205 «Лісoве гoспoдарствo» / К. С. Бурлак, Є. В. Петрушевець ; керівник роботи О. М. Корма ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 93 с.<br>Кваліфікаційна робота «Перспективи використання Сосни чорної (австрійської) в умовах зміни клімату на прикладі Красилівського лісництва ДП «Чернігівське лісове господарство»» присвяче

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Enquist, Tina. "Jordbrukets betydelse för det hållbara samhället : med fokus på klimatfrågan i Västerbottens län." Thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-150160.

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The purpose of this study was to investigate how farmers in the region of Västerbotten work for a sustainable development according to climate change, and where resources could be put in place to make agriculture even more climate friendly. The method chosen was a qualitative interview study where eight farmers from the county were interviewed. Half of them had an ecological production, and the other half was conventional. All the interviews were recorded, and the raw data was put in a database in Excel and analyzed. The results showed differences between ecological and conventional production

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Biernath, Christian Jörg [Verfasser], Jean Charles Akademischer Betreuer] Munch, Eckart [Akademischer Betreuer] Priesack, and Andreas [Akademischer Betreuer] [Fangmeier. "Modeling climate change impacts on the yield and quality of crops based on leaf photosynthesis with the acclimation to elevated CO₂ / Christian Jörg Biernath. Gutachter: Eckart Priesack ; Jean Charles Munch ; Andreas Fangmeier. Betreuer: Jean Charles Munch." München : Universitätsbibliothek der TU München, 2013. http://d-nb.info/1034951874/34.

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Ezekannagha, Ezinwanne. "Assessing the climatic suitability of Bambara groundnut as an underutilised crop to future climate projections in Sikasso and Ségou, Mali." Master's thesis, Faculty of Science, 2020. http://hdl.handle.net/11427/32612.

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This study evaluates how future climatic projections will affect the suitability of bambara groundnut (Vigna subterranean(L) Verdc.), a type of underutilised crop in Sikasso and Ségou, southern Mali. This study was performed using a simulation approach, which considered the potential changes in suitability due to projected changes in two climate variables; temperature and precipitation. Monthly outputs of the two climate variables from 10 CORDEX bias-corrected regional projections under the Representative Concentration Pathway (RCP) 8.5 were applied. The suitability index range of bambara grou

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Gummadi, Sridhar. "Simulating the impacts of extreme climate events on crop productivity in current and future climates in India." Thesis, University of Reading, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.553635.

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We need to understand the impacts of climate variability and change at a regional level on crop productivity in order to develop response strategies to the changing climate. This thesis seeks to investigate the impacts of extreme climate events on crops in current and future climates in India. The response of observed yield to present day climate variability was examined. Paddy rice and groundnut yields had a significant positive correlation with rainfall (r = 0.40, p < 0.05), while maximum temperature showed a strong negative relationship (-0.45); no such relationship was found for maize. The

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Davies-Barnard, T. "Climate and crop interactions : the biogeophysical effects on climate and vegetation." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.685042.

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The interactions between changing agricultural land and climate are multi faceted and only partially understood. This thesis looks at interactions between crops and climate from assumptions about parameterisations that underpin crop changes in models; the unintended consequences of policies which affect land cover; and the impacts of deliberate crop changes (e.g. biogeoengineering). Focusing on the biogeophysical effects (from albedo, evapotranspiration etc.) these effects are compared to the biogeochemical effects (from greenhouse gases). There are considerable local and global biogeophysical

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Protopapas, Angelos L. "Stochastic hydrologic analysis of soil-crop-climate interactions." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14676.

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Ganyani, Lloyd Munashe. "Evaluating summer cover crop species and management strategies for rainfed maize based cropping systems in the central region of the Eastern Cape Province of South Africa." Thesis, University of Fort Hare, 2011. http://hdl.handle.net/10353/373.

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The overall objective of the whole study was to assess whether conservation agriculture (CA) systems can work in the Eastern Cape Province (EC). The CA systems were engaged through cover cropping to address land degradation problems by emphasizing high biomass production in order to realize short term benefits such as moisture conservation, weed suppression and soil fertility benefits under rainfed conditions in the central region of the Eastern Cape province. Since rainfall is the most limiting factor to crop production in the EC, a within season rainfall distribution analysis was conducted t

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Osborne, Thomas Michael. "Towards an integrated approach to simulating crop-climate interactions." Thesis, University of Reading, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421206.

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Barrow, Elaine M. "On the construction and evaluation of scenarios of climate change for use in crop-climate models." Thesis, University of East Anglia, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297485.

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Groenewegen, Tracy. "Climate governance and the welfare state : a cross-national comparison." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43084.

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This thesis explores the theoretical and empirical connection between the welfare state and national-level climate governance, drawing together the concepts of the ecological state, ecological modernization, and varieties of capitalism. It is argued that the eco-state represents the latest evolutionary phase of the modern state, though no state has achieved full eco-state status. In its nascence it has thus been layered on top of institutional structures that characterize earlier phases, namely welfare and production regimes. As a result, 'eco-state regimes' – differential degrees of eco-state

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Dodds, Paul Edward. "Development of a crop model to examine crop management and climate change in Senegal." Thesis, University of Leeds, 2010. http://etheses.whiterose.ac.uk/1121/.

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Frequent droughts and sub-optimal crop management have been identified as the principal constraints on agricultural intensifcation in the Sahel. A new model, the Crop Model for Sahelian Adaptation Studies (CROMSAS), was developed to examine the influence of climatic variability, climate change and crop management strategies on millet yields. To improve the simulation of environmental stresses, several original features were implemented including a new leaf expansion methodology, semi-independent tillers, stress-dependent partitioning, and intercropping. CROMSAS was designed in a structured, ac

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Kocabas, Zahide. "Sensitivity of crop models to climate variations and modelling techniques." Thesis, University of Nottingham, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358287.

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