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| Registros recuperados: 18 | |
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| Goswami, Sarah L.. |
| Determining the optimal policy response to a species invasion is a multidimensional problem. The choice between eradication or containment has social, environmental, political and economic dimensions. Often, economic evaluation is used as a basis to underpin policy decisions. However, under certain conditions economic evaluation criteria may provide conflicting results. Deterministic factors, such as rate of spread, degree of damage and the time until detection, are derived for identifying when caution must be taken with the results of economic evaluation criteria. The conditions under which conflicting results may be obtained between NPV and BCR are identified and linked to policy implications. |
| Tipo: Conference Paper or Presentation |
Palavras-chave: Biosecurity economics; Eradication; Containment; Invasive species. |
| Ano: 2009 |
URL: http://purl.umn.edu/48158 |
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| Andersson, Camilla I.M.. |
| We model the economic incentives surrounding opium crop production in Afghanistan. Specifically, we examine the impact of eradication policies when opium is used as a means of obtaining credit, and when the crops are produced in sharecropping arrangements. The analysis suggests that when perfect credit markets are available, an increased risk of eradication will lead to less land being allocated to opium poppy. However, when opium is used as a means of obtaining credit, the effects of eradication are no longer clear-cut. Finally, under sharecropping arrangements, increased risk of eradication will make the tenants worse off, while landlords may benefit. |
| Tipo: Working Paper |
Palavras-chave: Eradication; Informal credit markets; Opium; Sharecropping; Crop Production/Industries; Risk and Uncertainty; Q12. |
| Ano: 2011 |
URL: http://purl.umn.edu/118959 |
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| Martins, Marlon Vagner Valentim; Incaper; Silveira, Silvaldo Felipe; UENF; Mussi-Dias, Vicente; UENF; Vieira, Henrique Duarte; UENF. |
| Avaliou-se a erradicação de escleródios de Sclerotium rolfsii em diferentes temperaturas e umidades do substrato. Testaram-se umidades de 5, 6, 9 e 11 (equivalentes a -5, -3, -1 e -1/3 Bar) e mais 0 e 18% de umidade. As temperaturas testadas foram 40, 48, 52 e 58°C, no tempo de 30 min., seguidos de resfriamento em balcão, em condições de laboratório. Avaliou-se a germinação em meio BDA salino. A 0% de umidade do substrato, nenhuma temperatura foi eficiente na inativação dos escleródios. Para todas as outras umidades testadas, porém, os escleródios foram erradicados em temperaturas acima de 52°C. De todas as quatro temperaturas testadas, apenas a menor (40°C) não inativou os escleródios do patógeno. A 48°C, a erradicação dos... |
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Palavras-chave: 5.00.00.00-4; 5.01.02.01-0 Escleródio; Solarização do solo; Erradicação Fitopatologia Sclerotia; Soil solarization; Eradication. |
| Ano: 2010 |
URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/2325 |
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| Zhang,F.; Bao,Z.J.; Shi,D.M.; Xiang,P.; Xiao,L.; Huang,Y.Q.; Zhang,G.S.; Yin,S.M.. |
| We aimed to evaluate the effectiveness and safety of bismuth-containing quadruple therapy plus postural change after dosing for Helicobacter pylori eradication in gastrectomized patients. We compared 76 gastric stump patients with H. pylori infection (GS group) with 50 non-gastrectomized H. pylori-positive patients who met the treatment indication (controls). The GS group was divided into GS group 1 and GS group 2. All groups were administered bismuth potassium citrate (220 mg), esomeprazole (20 mg), amoxicillin (1.0 g), and furazolidone (100 mg) twice daily for 14 days. GS group 1 maintained a left lateral horizontal position for 30 min after dosing. H. pylori was detected using rapid urease testing and histologic examination of gastric mucosa before and... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Helicobacter pylori; Gastrectomy; Gastric stump; Eradication; Efficacy. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2016000200702 |
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| Lichtenberg, Erik; Lynch, Lori. |
| Pest-free status certification is desirable if the demand-side impacts (increased export revenue) and supply-side impacts (lower pest damage and decreased ongoing control costs) exceed the compliance monitoring and eradication costs. Thus, eradication may be optimal without certification. Certification is more likely for regions facing costly treatment requirements (bans) or possessing geographic traits that lower monitoring costs and infestation probabilities than for those exporting higher-valued products. Certification benefits producers but hurts consumers. Thus, political feasibility may be greater if domestic consumption is a small share of the market and if the additional tax burden of certification programs is light. |
| Tipo: Journal Article |
Palavras-chave: Exotic pests; Invasive species; Pest-free area; Eradication; Sanitary/phytosanitary regulations; International Relations/Trade. |
| Ano: 2006 |
URL: http://purl.umn.edu/10182 |
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| Sanguinetti,Javier; Buria,Leonardo; Malmierca,Laura; Valenzuela,Alejandro E. J.; Núñez,Cecilia; Pastore,Hernán; Chauchard,Luis; Ferreyra,Nicolás; Massaccesi,Guillermina; Gallo,Emilce; Chehébar,Claudio. |
| Invasive alien species management in Patagonia, Argentina: Prioritization, achievements and science-policy integration challenges identified by the National Parks Administration: Invasive alien species are a threat to biodiversity. Management options encompass prevention, early detection, eradication, control, exclusion and even"no action." More technical information is needed to achieve complex management actions successfully. In addition, managers and researchers address the problem with different approaches. Managers seek to prioritize management actions, and for researchers, these species are an opportunity to study basic and/or theoretical aspects, but not always applied to management. However, the management strategies offer a unique opportunity for... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Biological invasions; Conservation; Control; Eradication; Management; Planning; Protected areas. |
| Ano: 2014 |
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S1667-782X2014000200007 |
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| Kim, C.S.; Lubowski, Ruben N.; Lewandrowski, Jan; Eiswerth, Mark E.. |
| We present a conceptual, but empirically applicable, model for determining the optimal allocation of resources between exclusion and control activities for managing an invasive species with an uncertain discovery time. This model is used to investigate how to allocate limited resources between activities before and after the first discovery of an invasive species and the effects of the characteristics of an invasive species on limited resource allocation. The optimality conditions show that it is economically efficient to spend a larger share of outlays for exclusion activities before, rather than after, a species is first discovered, up to a threshold point. We also find that, after discovery, more exclusionary measures and fewer control measures are... |
| Tipo: Journal Article |
Palavras-chave: Invasive species; Exclusion; Control; Eradication; Public expenditures; Environmental Economics and Policy; Resource /Energy Economics and Policy. |
| Ano: 2006 |
URL: http://purl.umn.edu/10176 |
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| Saruç,M.; Goksel,G.; Ozkaya,S.; Guclu,F.; Ozbakkaloglu,B.; Yuceyar,H.. |
| If cytotoxin-associated gene A (CagA) status affects the response rates of therapy, then it may be possible to predict Helicobacter pylori eradication rates. We aimed to evaluate the response to eradication treatment of H. pylori infection in CagA-positive and CagA-negative patients. A total of 184 patients (93 males, 91 females, mean age 42.6 ± 12.8 years) with H. pylori-positive chronic gastritis were studied. Subjects underwent a gastroscopy and biopsy specimens were taken from the gastric antrum, body, and fundus. Before the eradication therapy was given all patients were tested for CagA, TNF-alpha and gastrin levels. They were then prescribed lansoprazole (30 mg bid), clarithromycin (500 mg bid), and amoxicillin (1.0 mg bid) for one week. On the 8th... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Helicobacter pylori; Eradication; Cytotoxin-associated gene A; CagA. |
| Ano: 2001 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2001001100010 |
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| Cacho, Oscar J.; Wise, Russell M.; Hester, Susan M.; Sinden, Jack A.. |
| When a weed invasion is discovered a decision has to be made as to whether to attempt to eradicate it, contain it or do nothing. Ideally, these decisions should be based on a complete benefit-cost analysis, but this is often not possible. A partial analysis, combining knowledge of the rate of spread, seedbank longevity and economic-analysis techniques, can assist in making the best decision. This paper presents a model to decide when immediate eradication of a weed should be attempted, or whether weed control should be attempted at all. The technique is based on identifying two 'switching points': the invasion size at which it is no longer optimal to attempt eradication, and the invasion size at which it becomes optimal not to apply any form of control. It... |
| Tipo: Working or Discussion Paper |
Palavras-chave: Invasive species; Eradication; Containment; Economics; Weed control; Switching point; Farm Management. |
| Ano: 2004 |
URL: http://purl.umn.edu/12908 |
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| Registros recuperados: 18 | |
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