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Dissertations / Theses on the topic 'Farming diversity'

Author: Grafiati
Published: 6 April 2023

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1

Meindertsma, Jan Douwe. "Income diversity, technology and farming systems : modelling of resource poor farming households in Lombok, Indonesia." Thesis, University of East Anglia, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.389358.

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2

Payson-Roopchand, Kelly. "Engaging farmers recognizing and responding to gender and social diversity in farming systems in Trinidad /." [Gainesville, Fla.] : University of Florida, 2006. http://purl.fcla.edu/fcla/etd/UFE0015460.

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3

Pollnac, Fredric Winslow. "Diversity, spatial patterns, and competition in conventional no-tillage and organically managed spring wheat systems in Montana." Thesis, Montana State University, 2007. http://etd.lib.montana.edu/etd/2007/pollnac/PollnacF0507.pdf.

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4

Sutherland, Alistair James. "The economics of maintaining breed diversity with reference to the United Kingdom dairy herd." Thesis, University of Stirling, 1986. http://hdl.handle.net/1893/26673.

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Lovett, Peter Nicholas Conrad. "The genetic diversity of the sheanut tree (Vitellaria paradoxa) in the farming systems of northern Ghana." Thesis, University of Southampton, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326727.

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6

Brown, Nicola Jane. "Carabid ecology in organic and conventional farming systems : population density, diversity and high resolution spatial dynamics." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.340435.

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7

Chavhunduka, Tinashe. "Understanding the diversity of farming systems and assessing the profitability of farming activities of beneficiaries of the Zimbabwe land reform programme : the case of Chegutu district (Ward 12)." Diss., University of Pretoria, 2016. http://hdl.handle.net/2263/53568.

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The research aimed to investigate and give an understanding of diversity of the farming activities of the beneficiaries of the land reform programme in Chegutu District (Ward 12). The farmers were resettled under both the A1 villagised model and the A2 large scale commercial farming model. The generalised models of A1 and A2 as given by the Government of Zimbabwe do not really characterise the farming and other activities undertaken by beneficiaries of the land reform programme, the study aimed to understand the diversity of the farming activities and hence put the farmers into groups or type
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8

Castelhano, Michael Joseph. "Staple Crop Diversity and Risk Mitigation - Potatoes in Bolivia." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/35254.

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Rural areas of most developing nations are dependent on agriculture. In the most remote areas, sometimes referred to as the â less favored areasâ (LFAs), the economic importance of agriculture is paramount. An important obstacle to development in these areas is that agriculture is at the mercy of nature, which may not be particularly friendly. These areas have remained remote due to natural shortcomings causing economic development to occur slower than more advantaged areas elsewhere. Cochabamba Department, in central Bolivia, is home to some of these LFAs. Most Cochabamban producers are l
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9

Ekström, Marcus. "Främjar ekologisk odling mångfalden av insekter? : En jämförande studie mellan en konventionell odling, en ekologisk odling och natur på en farm i Sydafrika." Thesis, Högskolan i Gävle, Avdelningen för elektronik, matematik och naturvetenskap, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-18570.

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The big importance of insects and their ecological services to the human kind is a big issue in today’s society. Many people question the use of pesticides and are blaming chemicals and conventional farming for the loss of beneficial insects. With this in mind people instead turn to the organic farming. The aim of this study was to try and find out if organic farming benefits the diversity of insects. The study was performed on a farm in South Africa which practice both conventional and organic farming and also has a natural Fynbos field on its property. The insect diversity was compared in th
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10

Pépin, Antonin. "Performance environnementale de fermes maraichères en Agriculture Biologique." Electronic Thesis or Diss., Rennes, Agrocampus Ouest, 2022. https://tel.archives-ouvertes.fr/tel-04059580.

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Les fermes maraîchères biologiques françaises sont diverses, allant de systèmes complexes agroécologiques reposant sur la biodiversité et produisant de nombreux légumes différents, à des systèmes simples reposant sur les intrants et produisant peu de légumes différents, ce qui suggère des impacts sur l'environnement différents. L’objectif de la thèse est d’évaluer les performances environnementales de fermes maraîchères biologiques contrastées, au moyen de l’analyse de cycle de vie (ACV). La thèse s’organise autour de : (1) la caractérisation de la diversité des fermes maraîchères biologiques,
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11

Mothulatshipi, Sarah Mantshadi. "Landscape archaeology of the later farming communities of the Shashe-Limpopo Basin, eastern Botswana : land use diversity and human behaviour." Thesis, University of Edinburgh, 2009. http://hdl.handle.net/1842/28672.

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This study investigates the archaeological contribution of the Shashe-Limpopo Basin, (SLB), a prehistoric landscape with an extraordinary dynamic environment. Research has remained heavily skewed and sites explicitly targeted for investigation were those deemed important for their ability to contribute towards our understanding of the development of social complexity. This study demonstrates that the development of complex social formations represents settlement structures that epitomise interaction of both long and short-term cultural and economic processes and that the organisation of such s
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12

Öberg, Sandra. "Spiders in the agricultural landscape : diversity, recolonisation, and body condition /." Uppsala : Dept. of Ecology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200725.pdf.

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13

Adeyemi, Samson Adebowale. "Evaluation of the possible application of cowpea genotypes in the farming systems of the Eastern Cape Province, South Africa." Thesis, University of Fort Hare, 2012. http://hdl.handle.net/10353/d1007539.

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Characterization studies on the genetic diversity among cultivated cowpea (Vigna unguiculata (L.) varieties are valuable tools to optimize the use of available genetic resources by farmers, local communities, researchers and breeders. Eight cowpea (Vigna unguiculata (L.) genotypes ( Vegetable cowpea, Ivory grey, Okhalweni, Fahari, Fahari dark, 97K-1069-8, IT93K-73h, and 129-3) were subjected to molecular, morphological and agronomical characterization. DNA amplification fingerprinting markers were used to evaluate the genetic diversity among the eight genotypes. Nine random arbitrary primers w
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14

Eriksson, Ylva. "Biologisk mångfald bland åkerogräsen. En fältstudie av två åkrar : en konventionellt och en ekologiskt odlad." Thesis, Linköping University, Department of Thematic Studies, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2310.

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<p>Den biologiska mångfalden är viktig inom lantbruket. Jordbrukslandskapets mångfald är vacker för människan att se på och spännande och rogivande att vistas i. Mångfalden innehåller även en genbank som kan bli mycket etydelsefull i framtiden. Dessutom innebär oftast en rik mångfald bland ogräsen även en rik mångfald bland insekter och andra djur, däribland skadeinsekternas predatorer, vilket bidrar till produktiva åkrar. Ogräsens mångfald på åkern beror till stor del på geografiskt läge, klimat och berggrund. Även odlingssättet och tillhörande odlingsåtgärder är avgörande för hur åkerns ogrä
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15

Roschewitz, Indra. "Farming systems and landscape context effects on biodiversity and biocontrol /." Doctoral thesis, [S.l. : s.n.], 2005. http://deposit.ddb.de/cgi-bin/dokserv?idn=976217961.

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16

Tano, Stina. "Seaweed in the tropical seascape : Importance, problems and potential." Doctoral thesis, Stockholms universitet, Institutionen för ekologi, miljö och botanik, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-129256.

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The increasing demand for seaweed extracts has led to the introduction of non-native seaweeds for farming purposes in many tropical regions. Such intentional introductions can lead to spread of non-native seaweeds from farming areas, which can become established in and alter the dynamics of the recipient ecosystems. While tropical seaweeds are of great interest for aquaculture, and have received much attention as pests in the coral reef literature, little is known about the problems and potential of natural populations, or the role of natural seaweed beds in the tropical seascape. This thesis
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Nadaleto, Claudio Eduardo Silva. "A diversidade da agricultura familiar e o processo de recampesinização no envolvimento rural de Piedade-SP." Universidade Federal de São Carlos, 2012. https://repositorio.ufscar.br/handle/ufscar/126.

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Made available in DSpace on 2016-06-02T18:57:40Z (GMT). No. of bitstreams: 1 4545.pdf: 14669462 bytes, checksum: 3eacdb08652c8b8f301fc94e1486e34a (MD5) Previous issue date: 2012-06-28<br>This research has been intended to elucidate the family farming diversity of Piedade, in the State of São Paulo and its ongoing repeasantization process within this wide relevant category in the municipality. The case study was made from a theoretical approach on the rural development and involvement as well as over the family farming. Thus, it was noticed that the farming process and the rural environment o
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18

Rajput, Innike. "Designing a food based strategy for the introduction of an unfamiliar food crop as a community based approach." Diss., University of Pretoria, 2012. http://hdl.handle.net/2263/41217.

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Household food security has been described with a three-factor definition: 1) the availability of food, 2) the access thereto, and lastly 3) the food utilization patterns and practices. In previous research, both the availability and access to food were studied in a farming community in the Free State Province to understand how these factors contribute to household food security. However food utilization was not investigated at the time. Food consumption patterns of households deserve attention, particularly in relation to food gardens and nutrition, including the cultivation cycle, diet
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19

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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20

Redin, Carla. "Agrobiodiversidade e a sua articulação entre as dimensões da segurança alimentar e nutricional : uma análise multiescalar no território rural Campos de Cima da Serra, Rio Grande do Sul." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2017. http://hdl.handle.net/10183/172672.

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Este trabalho percorre a trajetória de construção do conceito de Segurança Alimentar e Nutricional (SAN), demonstrando as conquistas sociais no campo do conhecimento, explorando seu caráter interdisciplinar e a sua incorporação na academia, através da utilização de um arcabouço teórico-metodológico baseado em uma abordagem multidisciplinar e multiescalar, que a compreende a partir de seis dimensões. Busca-se aprofundar o conceito de agrobiodiversidade, demarcando suas relações com as dimensões da SAN, investigando a existência de um tecido social e sua contribuição para a realização da mesma.
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21

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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22

Dickinson, Keith Randolph. "Deciding to Diversify: A Case Study of Seven Virginia Farm Businesses." Thesis, Virginia Tech, 2001. http://hdl.handle.net/10919/30877.

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Farm enterprise diversification is an important tool for agricultural producers with respect to risk management. As agricultural producers in Virginia look to prepare their farm businesses for the new millennium, they are increasingly considering non-traditional enterprises and activities for their farms. As producers add new enterprises, they encounter challenges to develop new skills and gather adequate information for their new activities. Virginia Cooperative Extension has the task of providing producers with timely and useful research-based information. As both producers and Virginia Coop
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Gabriel, Doreen. "Plant communities in organic and conventional agriculture comparing local, landscape and regional effects /." Doctoral thesis, [S.l.] : [s.n.], 2006. http://webdoc.sub.gwdg.de/diss/2006/gabriel.

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24

Carrié, Romain. "Hétérogénéité des paysages et des pratiques agricoles - Effets sur la diversité des abeilles sauvages et la pollinisation." Thesis, Toulouse, INPT, 2016. http://www.theses.fr/2016INPT0104/document.

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L’importance écologique et agronomique des abeilles sauvages dans les paysages agricoles rend cruciale la gestion de ces insectes pollinisateurs. Les abeilles sauvages utilisent plusieurs habitats dans les paysages agricoles, comme les milieux semi-naturels (bois, haies, prairies permanentes), mais aussi les parcelles agricoles. L’objectif de ce travail est de caractériser la structure des communautés de pollinisateurs et le succès de pollinisation le long de gradients de composition et de configuration des milieux semi-naturels ainsi que d’intensité des pratiques agricoles à l’échelle paysagè
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25

Gaujour, Etienne. "Evaluation des sources d'espèces et des déterminants de la diversité végétale des parcelles agricoles : interchamps, stock semencier, pratiques agricoles et paysage de l'Installation Expérimentale Inra ASTER Mirecourt." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL020N/document.

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L'un des moyens pour faire face à la réduction de l'utilisation d'intrants de synthèse est de favoriser durablement les services agro-écologiques de la diversité végétale. Pour cela, l'agriculteur devra adapter ses modes de gestion. Ma thèse s'inscrit dans l'objectif finalisé d'apporter à l'agriculteur, de l'aide à la gestion de cette diversité végétale sur le territoire de son exploitation. Je me suis fixé 2 objectifs de recherche : i) vérifier si les interchamps et le stock semencier constituent des sources d'espèces pour le centre des parcelles agricoles et ii) quantifier l'influence de la
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26

Favreau, Jean-Luc. "Durabilité des exploitations en agriculture biologique : une analyse de la diversité des situations et des trajectoires d'évolution en Midi-Pyrénées." Phd thesis, Université Toulouse le Mirail - Toulouse II, 2013. http://tel.archives-ouvertes.fr/tel-01058072.

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L'agriculture biologique connaît un essor important en France, comme dans la plupart des pays européens. De profondes mutations traversent ce secteur, et de nouveaux modèles de production et de développement apparaissent. Cette thèse se propose d'analyser ces transformations au niveau de l'exploitation agricole, dans le cadre des sciences de gestion, par le biais de la notion de durabilité (en référence à celle de développement durable). L'étude porte sur un échantillon de 74 exploitations de la région Midi-Pyrénées représentant différentes productions. Une première approche apprécie la durabi
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27

Gratecap, Jean-Baptiste. "Agriculture biologique et qualité des eaux dans des aires d’alimentation de captage : diversité des postures techniques d’agriculteurs conventionnels et biologiques et pressions nitrate et pesticide induites." Thesis, Paris, AgroParisTech, 2014. http://www.theses.fr/2014AGPT0059/document.

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Face à la pollution généralisée des masses d’eau souterraines par les nitrates et les pesticides, l’agriculture biologique (AB) est présentée comme un outil pertinent pour la reconquête de la qualité des eaux sur les aires d’alimentation de captage (AAC). Ce travail vise à mieux définir l’opportunité d’un développement de l’AB sur des zones à enjeu eau. L’objectif de la thèse est d’évaluer conjointement la faisabilité des conversions sur les exploitations de l’AAC et l’efficacité de ces conversions par rapport aux enjeux de reconquête de la qualité de l’eau.Etudier l’opportunité d’un développe
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Teixeira, Igor. "Análise dos processos de diversificação produtiva, social e organizacional no Assentamento Trinta de Maio, Charqueadas-RS." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2008. http://hdl.handle.net/10183/15443.

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A pesquisa que deu origem a esta dissertação trabalhou com a temática sobre assentamentos rurais. Para isso, foi fundamental apresentar uma revisão teórica sobre a reforma agrária no Brasil e, neste contexto, o surgimento dos projetos de assentamentos rurais no país. Do mesmo modo, apresentou-se o debate sobre as formas de cooperação do trabalho, destacando as diferenças entre os projetos cooperativistas tradicionais e a concepção cooperativa dentro do Movimento dos Trabalhadores Rurais Sem-Terra – MST. Após a definição do objeto de pesquisa, que correspondeu às características presentes na re
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Lo, Yu-Tang, and 羅裕堂. "Soil Microbial Diversity under Organic Farming." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/14057189734535636075.

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碩士<br>國立中興大學<br>土壤環境科學系<br>90<br>Soil microbial communities are the most diverse in the earth. However, they are not well known at this moment. They are close related to nutrient cycling, plant growth and the other organisms. Therefore, they are important to soil quality. The sustainability of soils is much dependent on the biodiversity in soils. The purples of this study were to investigate the effects of different organic fertilizers, application rates, and different rotation systems on soil microbial diversity, tested by Biolog microplates method. The experiment field was located
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Thomas, William H. "Traditional environmental knowledge and its implications for modern conservation among the Hewa of Papua New Guinea." 1999. http://catalog.hathitrust.org/api/volumes/oclc/50407031.html.

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31

Yong, Ding Li. "Assessing biodiversity in farming landscapes: a cross-taxonomic approach to conservation planning." Phd thesis, 2017. http://hdl.handle.net/1885/135763.

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Surrogates of biodiversity are necessary tools for guiding the effective conservation of biodiversity. One of the best known approaches to assessing biodiversity is cross-taxonomic surrogacy, which is underpinned by the hypothesis that selected taxa (i.e. the surrogate) can provide useful and commensurate information on other components of biodiversity (i.e. the target). In this thesis, I examined the effectiveness of cross-taxonomic surrogacy by assessing cross-taxonomic patterns of congruence among ecologically important vertebrate and invertebrate taxa, and with respect to time and differen
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32

Chou, Yu-Meng, and 周于盟. "Soil microbial diversity in banana plantation soils as influenced by long-term organic and conventional farming." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/25002357629166423977.

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碩士<br>國立中興大學<br>土壤環境科學系所<br>103<br>Chemical fertilizers and chemical pesticides are commonly used to increase soil fertility and reduce plant pathogen in conventional farming. To achieve agricultural production in a more sustainable way, integrated managements instead of overdose use of agricultural chemicals are adopted to obtain high quality and yield of crops meanwhile maintain soil quality. The distribution of microbes which participate in nutrient transformation may be changed spatially or temporally in a dynamic soil ecosystems. In the present studies soil microbial diversity as influenc
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33

Hung, Ching-yu, and 洪青優. "Using microsatellite DNA to analysis the genetic diversity of fishing and farming pompanos(Trachinotus blochii) in Taiwan." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/286n84.

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34

Fischer, Christina [Verfasser]. "Effects of farming practice and landscape complexity on vertebrate diversity and ecological functioning in agroecosystems / vorgelegt von Christina Fischer." 2010. http://d-nb.info/1005019711/34.

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35

Marín, Jacinto Benhadi. "Diversity patterns of Araneae along a gradient of farming practices in Olive Groves: linking landscape pattern, management practices, and species interactions." Doctoral thesis, 2019. http://hdl.handle.net/10316/87551.

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Tese de Doutoramento em Biociências, na especialidade de Ecologia, apresentado ao Departamento de Ciências da Vida da Faculdade de Ciências e Tecnologia da Universidade de Coimbra<br>The olive crop (Olea europaea) is a significant land use type with high importance in the Mediterranean countries. The olive tree is susceptible to the attack of pests that can cause significant losses. Among the community of arthropods of the olive grove, spiders are predators occupying the highest trophic level, hunting mainly insects in all their instars. Thus, they can be useful natural control agents of olive
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Simba, Lavhelani Dembe. "The edge effects of mango farming on flower visitor insect communities and epigeal ant species in Northern-Eastern South Africa." Diss., 2015. http://hdl.handle.net/11602/331.

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KÁROVÁ, Zuzana. "Vliv ekologického a konvenčního zemědělství na diverzitu a abundanci denních motýlů v oblasti Českého středohoří." Master's thesis, 2008. http://www.nusl.cz/ntk/nusl-45776.

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The topic of this thesis deals with effects of different farming management on diversity and abundance of butterfly fauna in České středohoří and neighbouring areas. It shows that ecological management is more friendly to endangered species of butterflies.
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(5930507), Lisseth Zubieta. "Arbuscular mycorrhizal fungi: crop management systems alter community structure and affect soybean growth and tolerance to water stress." Thesis, 2019.

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<p>Arbuscular mycorrhizal fungi (AMF) are best known for their potential to help plants acquire nutrients, especially phosphorous. These microbes improve soil health by promoting soil aggregation and carbon sequestration, and further benefit plants by helping them withstand biotic and abiotic stress. Currently, there are 200 recognized species of AMF within the phylum Glomeromycota. Recent studies indicate that individual AMF species differ in the benefits they provide, with some even acting as parasites. Moreover, AMF community composition can be altered by soil and crop management practices,
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Flohre, Andreas. "Below- and aboveground farmland biodiversity in relation to local and regional management." Doctoral thesis, 2010. http://hdl.handle.net/11858/00-1735-0000-0006-ADA4-9.

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Barker, Alistair. "Habitat management using stimulo-deterrent diversion techniques to decrease infestation of sugarcane by Eldana saccarina Walker (Lepidoptera: Pyralidae)." Thesis, 2009. http://hdl.handle.net/10539/6961.

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Despite research focused on the control of E. saccharina Walker (Lepidoptera: Pyralidae), it remains the most destructive pest of sugarcane in South Africa and therefore a shift in the approach to the control of this insect was required. Habitat management techniques were employed through trials to understand the mechanisms used by insect pests in their host plant oviposition behaviour. Indigenous and beneficial non-crop plants, which could be used to attract insect pests away from sugarcane were identified and tested. An African grass, Melinis minutiflora, shown to be repellent to lepidoptera
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Jakupi, Antje. "Zur Rekonstruktion historischer Biodiversität aus archivalischen Quellen: Das Beispiel des Oderbruchs (Brandenburg) im 18. Jahrhundert." Doctoral thesis, 2007. http://hdl.handle.net/11858/00-1735-0000-0006-AD00-C.

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