Academic literature on the topic 'Botany, Economic'
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Journal articles on the topic "Botany, Economic"
Ford, Richard I. "Society for Economic Botany." Economic Botany 51, no. 1 (January 1997): 90. http://dx.doi.org/10.1007/bf02910413.
Full textWilkes, H. Garrison. "Society for Economic Botany." Economic Botany 40, no. 1 (January 1986): 125–28. http://dx.doi.org/10.1007/bf02858953.
Full textAnderson, Gregory J. "Society for Economic Botany." Economic Botany 42, no. 1 (January 1988): 135–37. http://dx.doi.org/10.1007/bf02859044.
Full textLawrence, Kaplan. "Society for Economic Botany." Economic Botany 43, no. 1 (January 1989): 133–35. http://dx.doi.org/10.1007/bf02859333.
Full textVerhoek, Susan. "Society for economic botany." Economic Botany 41, no. 1 (January 1987): 117–18. http://dx.doi.org/10.1007/bf02859359.
Full textSalick, Jan. "Society for economic botany." Economic Botany 53, no. 1 (January 1999): 118. http://dx.doi.org/10.1007/bf02860802.
Full textWickens, G. E. "What is economic botany?" Economic Botany 44, no. 1 (January 1990): 12–28. http://dx.doi.org/10.1007/bf02861062.
Full textFryxell, Paul A. "Society for economic botany." Economic Botany 44, no. 1 (January 1990): 136–37. http://dx.doi.org/10.1007/bf02861075.
Full textEshbaugh, W. Hardy. "Society for Economic Botany." Economic Botany 39, no. 1 (January 1985): 87–90. http://dx.doi.org/10.1007/bf02861179.
Full textPrance, Ghillean. "Society for Economic Botany." Economic Botany 52, no. 1 (January 1998): 110. http://dx.doi.org/10.1007/bf02861303.
Full textDissertations / Theses on the topic "Botany, Economic"
Lungu, Smart. "Systematic and economic botany of the genus Entada Adans." Thesis, University of Reading, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.281858.
Full textMolloy, Fergus J. "Studies on the ecology and production of seaweeds of economic and potential economic importance on the Namibian coast." Doctoral thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/18329.
Full textThe seaweeds of the Namibian coast have received little attention from researchers despite the fact that there is a successful industry based on seaweed exploitation. Beach cast Gracilaria verrucosa (Hudson) Papenfuss is collected (9000-15000 t (wet) y⁻¹) in the Luderitz area for the production of agar, Laminaria schinzii Foslie was harvested for a short period from April 1987 to March 1989 and there is an increasing interest in utilizing other seaweed species on the coast. The natural beds of Gracilaria verrucosa in the Luderitz area were mapped and biomass estimated in summer (August 1991) and winter (January 1992) and beach cast collections were analyzed to ascertain patterns. The distribution of G. verrucosa was influenced by sediment type with most occurring on firm (constituting at least 60% 106-212 um) sediments. The largest surface area and biomass of the beds occurred in the northern portion of the Lagoon/Bay system, where the largest biomass of beach cast occurs. Most of the beds occur between 4-8m depth.
Cornish, Caroline. "Curating science in an age of empire : Kew's Museum of Economic Botany." Thesis, Royal Holloway, University of London, 2013. http://repository.royalholloway.ac.uk/items/f5bcc23c-e039-e81b-8f25-2156ff0f662d/7/.
Full textSinclair, Adrianne. "Recovery of the threatened economic plant goldenseal (Hydrastis canadensis)." Thesis, University of Ottawa (Canada), 2002. http://hdl.handle.net/10393/6315.
Full textHeydenrych, Barry John. "An investigation of land-use practices on the Agulhas Plain (South Africa), with emphasis on socio-economic and conservation issues." Master's thesis, University of Cape Town, 1999. http://hdl.handle.net/11427/9755.
Full textAn investigation of land-use practices was undertaken on the Agulhas Plain, a species-rich area at the southern tip of Africa. Data were collected from landowners and visitors using questionnaire surveys. Further information was obtained by means of a literature search and interviews with key informants. A historical background of land use in the area is given. Although the area has been utilized since the Earlier Stone Age (>200000 years BP), the most dramatic changes to the landscape have occurred post 1850, with the large transformation of indigenous veld into cultivated lands. Four categories of farms were identified: livestock farms, fynbos farms, mixed farms and conservation farms. Livestock farms covered the largest surface area. Cereal crops cultivated on these farms provided a net income of R 918 OOO/y. Grazing provided a net income of R 7.3 million/yon cultivated land and R 2.3 million/y was attributed to indigenous veld. This latter figure highlights the importance of natural veld for grazing, but for certain vegetation types, stocking rates were above the recommended norms. Fynbos flower farms had the second largest surface area of the four categories of farms. Fynbos wildflowers were found to be the largest single agricultural sector on the Agulhas Plain, yielding an estimated net income of R 8.55 million/y. Most harvesting from the wild takes place from Acid Sand Fynbos, which is relatively common, and there appears to be potential for wildflower harvesting to be compatible with biodiversity conservation, if managed correctly. Cultivated fynbos flowers yielded a net income of R 1.5 million/y. Cultivation of land for fynbos flowers is on the increase, and pristine fynbos is primarily being targeted for this practice, thereby threatening the biodiversity of these areas. Many landowners are involved with mixed farming practices and there are a small number of conservation farms, generally situated at the coast, which rely on outside funding for their management.
Carrizosa, Santiago 1964. "The economic valuation of a high Andean forest: The biophysical versus the market approach." Thesis, The University of Arizona, 1993. http://hdl.handle.net/10150/291466.
Full textFernandes, Erika Squisato. "Efeito da granulometria no pré-tratamento ácido, acessibilidade, superfície exposta da lignina e sacarificação enzimática do bagaço de cana-de-açúcar /." Rio Claro, 2018. http://hdl.handle.net/11449/156008.
Full textBanca: Sidnei Emilio Bordignon Junior
Banca: Luciana Fontes Coelho
Resumo: O bagaço de cana-de-açúcar é um subproduto da indústria sucroalcooleira, majoritariamente usado para a cogeração de energia térmica e elétrica, através de sua combustão em caldeiras. Em função da sua composição em carboidratos vem sendo estudado na conversão em biocombustíveis. Porém, a recalcitrância da matriz lignocelulósica dificulta desestruturação do material, com baixa acessibilidade à celulose, influenciando na sacarificação enzimática. Neste contexto, o objetivo deste trabalho foi avaliar o efeito do pré-tratamento ácido diluído (10 %, m/m, 121 °C/30 min) em diferentes granulometrias, 16, 24, 35, 60 mesh e fundo de bagaço e fração externa (contendo epiderme) do colmo de cana-de-açúcar. Cada biomassa de cana-de-açúcar, em diferentes granulometrias, passou pelo pré-tratamento ácido diluído (10 %, m/m, 121° C/30 min). As amostras foram caracterizadas quanto ao seu conteúdo de celulose, hemicelulose e lignina. A área superficial de lignina foi determinada com a adsorção do corante catiônico Azure B em solução de 0,1 g.L-1. A determinação de acessibilidade à celulose foi realizada com corantes Direct Orange (superfície específica externa) e Direct Blue (superfície específica interna). A hidrólise enzimática (15 FPU.g-1 durante 24 h - Cellic Cetec 2 - Novozymes) foi aplicada nos materiais para avaliar o rendimento em glicose. Para o material retido na peneira de abertura 16 mesh, maior tamanho de partículas, a massa recuperada de bagaço foi de 59,81 % e no fundo, menor tama... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Sugarcane bagasse is a by-product of the sugar and alcohol industry, mostly used for cogeneration of thermal and electric energy, through its combustion in boilers. Due to its composition in carbohydrates has been studied in the conversion to biofuels. However, the recalcitrance of the lignocellulosic matrix makes it difficult to disintegrate the material, with low accessibility to the cellulose, influencing the enzymatic saccharification. In this context, the objective of this work was to evaluate the effect of diluted acid pretreatment (10 %, m/m, 121 °C / 30 min) in different granulometries, 16, 24, 35, 60 mesh and background bagasse and fraction (containing epidermis) from the sugar cane stalk. Each biomass of sugarcane, in different granulometries, underwent the pre-treatments diluted acid (10 %, m/m, 121 °C / 30 min). The samples were characterized for their content of cellulose, hemicellulose and lignin. The surface area of lignin was determined with the adsorption of the cationic dye Azure B in solution of 0.1 g.L-1. The determination of accessibility to the cellulose was performed with Direct Orange (specific external surface) and Direct Blue (specific internal surface) dyes. Enzymatic hydrolysis (15 FPU.g-1 for 24 h - Cellic Cetec 2 - Novozymes) was applied to the materials to evaluate glucose yield. For the material retained in the 16 mesh aperture sieve, larger particle size, the recovered mass of bagasse was 59.81 % and in the bottom, smaller particle size was 53... (Complete abstract click electronic access below)
Mestre
Hobson, Colin Desmond. "Environmental and socio-economic effects associated with the planting of Atriplex nummularia Lindl. (Oldman saltbush) in the Karoo." Thesis, Rhodes University, 1991. http://hdl.handle.net/10962/d1001894.
Full textHari, Krishnan Ramesh Kannan. "Invasion of Lantana into India: analyzing introduction, spread, human adaptations and management." Thesis, Rhodes University, 2013. http://hdl.handle.net/10962/d1001756.
Full textOler, Juliana Rodrigues Larrosa. "Etnobotânica e diversidade genética de mandioca (Manihot esculenta Crantz.) : a manutenção da agrobiodiversidade em comunidades tradicionais de Jangada, Mato Grosso, Brasil /." Rio Claro, 2017. http://hdl.handle.net/11449/152357.
Full textBanca: Eulalia Soler Sobreira Hoogerheide
Banca: Maria Antonia Carniello
Banca: Elizabeth Ann Veasey
Banca: Marcos Aparecido Pizano
Resumo: Sabe-se que os agricultores de pequena escala que praticam agricultura de modo tradicional desempenham um importante papel na manutenção da agrobiodiversidade, podendo complementar o trabalho de conservação ex situ. Um dos cultivos mais presentes na agricultura tradicional tropical é a mandioca (Manihot esculenta Crantz.), base alimentar de mais de 800 milhões de pessoas no mundo. No Brasil, encontra-se elevada diversidade intraespecífica da referida tuberosa, sobretudo entre os agricultores da Baixada Cuiabana, Mato Grosso, que ainda praticam agricultura nos moldes tradicionais por meio de técnicas que não apenas mantêm, mas também amplificam essa diversidade. O presente estudo teve como objetivo caracterizar a dinâmica de cultivo das variedades locais de mandioca das comunidades tradicionais contíguas Mutum (Mt), Vaquejador (Vq), Ribeirão das Pedras Acima (Ra) e Quilombo (Qb), localizadas no município de Jangada-MT e analisar a influência dos aspectos socioeconômicos, culturais e genéticos na manutenção da agrobiodiversidade local, bem como analisar as relações entre as comunidades estudadas e suas influências sobre o manejo da agrobiodiversidade. Os capítulos que compõem este trabalho consistem em: 1) Apresentação da problemática, área de estudo, métodos e análises utilizados; 2) Caracterização socioeconômica das comunidades estudadas e dos agricultores; 3) Descrição dos espaços de cultivo, técnicas de manejo e produção de farinha de mandioca; e 4) Levantamento etnobotânic... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Small-scale farmers who perform agriculture in a traditional manner are known to play an important role in maintaining agrobiodiversity and, therefore, they may complement ex situ conservation work. Cassava (Manihot esculenta Crantz.) is one of the most important crops in traditional tropical agriculture, being considered as staple food for more than 800 million people in the world. There is a high intraspecific diversity in Brazil, especially among farmers located in the region of Baixada Cuiabana, Mato Grosso, which still cultivates it in a traditional way, using techniques that contribute not only to maintain but also to expand the diversity. Thus, this study aimed to characterize the dynamics of cultivation of local cassava varieties, given its relevance to small scale farmers, of four contiguous traditional communities located in the municipality of Jangada, State of Mato Grosso, Brazil; Mutum (Mt), Vaquejador (Vq), Ribeirão das Pedras Acima (Ra), and Quilombo (Qb); and it also aimed to analyze the influence of socioeconomic, cultural and genetic aspects in the maintenance of agrobiodiversity, as well as the relations between studied communities and their influences on the agrobiodiversity management. The chapters of this work consist of: 1) Problem presentation, study area, methods and adopted analysis; 2) Socioeconomic characterization of studied communities and farmers; 3) Description of crop spaces, management techniques and production of cassava flour; and 4) Ethnob... (Complete abstract click electronic access below)
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Books on the topic "Botany, Economic"
Wickens, Gerald E. Economic Botany. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0.
Full textWickens, G. E. Economic botany: Principles and practices. Dordrecht: Kluwer Academic, 2001.
Find full textSimpson, Beryl Brintnall. Economic botany: Plants in our world. Maidenhead: McGraw-Hill, 1986.
Find full textSimpson, B. B. Economic botany: Plants in our world. 2nd ed. New York: McGraw-Hill, 1995.
Find full textSimpson, B. B. Economic botany: Plants in our world. 3rd ed. Boston: McGraw-Hill, 2001.
Find full textMolly, Conner-Ogorzaly, ed. Economic botany: Plants in our world. New York: McGraw-Hill, 1986.
Find full textRajan, S. Sundara. Morphology and economic botany of angiosperms. New Delhi: Anmol, 1999.
Find full textMolly, Conner-Ogorzaly, ed. Economic botany: Plants in our world. 3rd ed. Boston: McGraw-Hill, 2001.
Find full textBook chapters on the topic "Botany, Economic"
Wickens, Gerald E. "Economic Botany." In Economic Botany, 1–16. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_1.
Full textWickens, Gerald E. "Feed for Livestock." In Economic Botany, 209–22. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_10.
Full textWickens, Gerald E. "Food for Bees and other Desirable Invertebrates." In Economic Botany, 223–28. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_11.
Full textWickens, Gerald E. "Timber and Wood Products." In Economic Botany, 229–50. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_12.
Full textWickens, Gerald E. "Fuel." In Economic Botany, 251–61. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_13.
Full textWickens, Gerald E. "Vegetable Fibres." In Economic Botany, 263–79. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_14.
Full textWickens, Gerald E. "Phytochemicals." In Economic Botany, 281–315. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_15.
Full textWickens, Gerald E. "Human and Veterinary Medicinal Plants." In Economic Botany, 317–31. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_16.
Full textWickens, Gerald E. "Plant Toxins and their Applications." In Economic Botany, 333–46. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_17.
Full textWickens, Gerald E. "Useful Ferns, Bryophytes, Fungi, Bacteria and Viruses." In Economic Botany, 347–72. Dordrecht: Springer Netherlands, 2001. http://dx.doi.org/10.1007/978-94-010-0969-0_18.
Full textConference papers on the topic "Botany, Economic"
Postnikova, M. E., and M. N. Shurupova. "Medicinal plants of the Tomsk region: questions of economic botany." In Problems of studying the vegetation cover of Siberia. TSU Press, 2020. http://dx.doi.org/10.17223/978-5-94621-927-3-2020-32.
Full textSun, Kunlai, Yin Chen, Youle Qu, Zuisu Yang, and Liye Yang. "The Teaching Reform of Medicinal Botany." In 2017 2nd International Conference on Education, Management Science and Economics (ICEMSE 2017). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/icemse-17.2017.16.
Full textWu, Jielian, Yuping Guo, and Ping Wang. "The teaching reform of Pharmaceutical Botany Field Practice in teaching mode of competence-based." In 2016 2nd International Conference on Economics, Management Engineering and Education Technology (ICEMEET 2016). Paris, France: Atlantis Press, 2017. http://dx.doi.org/10.2991/icemeet-16.2017.56.
Full textWenhui, Wang. "Geostrategic Significance of Construction the China-Laos Mohan-Boten Economic Cooperation Zone." In Fifth International Conference on Public Management : International Collaboration for Innovated Public Governance (ICPM 2018). Paris, France: Atlantis Press, 2018. http://dx.doi.org/10.2991/icpm-18.2018.15.
Full textSerebryakov, O., and Nadezhda Prokhorova. "CONSIDERING THE ROLE OF BOTANIC GARDENS AND ARBOTETUM FOR THE DEVELOPMENT OF ECOLOGICAL EDUCATION." In Modern problems of animal and plant ecology. FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov, 2021. http://dx.doi.org/10.34220/mpeapw2021_66-72.
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