Resultados de búsqueda - "statistics"

Gallring med vinkelkran : en jämförande studie av skördarkran med och utan horisontellt ledad vipparm por Johansson, Petter

“…The POB crane's mean time consumption per harvested tree was lower for all work elements, but the differences were statistically significant only for crane in, reversing and waiting. …”

Mätning av träddelar och flis på Dåvamyran, Umeå energi por Hägg, Karin

“…Since the method for measuring ash content is statistical uncertain this parameter value for the parameter should be estimated by visuel inspection. …”
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Utvärdering av en subjektiv metod för att skatta mängden trädbiomassa längs vägkanter por Eriksson, Andreas

“…However, the differences were statistically significant only for the former two variables. …”

Potato farmers’ decision-making under uncertainty por Pettersson, Daniel

“…The survey also included questions about respondents’ potato cultivation, and which actions the they see as important in creating a more stable result for their business. The analysis uses statistical correlation tools and knowledge from previous studies from a Prospect theory perspective.…”
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Predicting dissolved organic carbon concentrations in Swedish boreal streams from map information por Lindsjö, Anders

“…DOC was chosen as the test variable to model in this study because of its importance for aquatic ecosystems and strong couplings to other chemistry data (implicit in this is that if DOC is predicted well other chemistry could also be predicted well). Statistical models relating water chemistry to map information were derived from DOC measurements on different catchments in the boreal zone of Sweden using multivariate techniques. …”
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Scrape off or throw away? por Jonasson, Lotta

“…Participants were not evenly distributed by gender (84% women, 14% men), and this was treated in the statistical analysis of the results. About 39% of the participants agreed that if the mouldy part of the product was discarded, the rest of the product would be safe to eat. …”
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Effects of active and passive conservation on forest structure and bird diversity in Färna Ecopark por Sandström, Arvid

“…It also made the NS stands hard to study as a group and no statistically significant differences were found between them when compared to the other groups of stands in the study. …”
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Aquaculture and its effect on the wild fish resource in a Swedish lake : An evaluation of changes in fat content, protein content and trophic niche por Nyberg, Emmy

“…Protein content did not change significantly over time in any of the species. Charr was not statistically evaluated due to low sample size. The stable isotope analysis indicated some changes after establishment of the aquaculture. …”

Utvärdering av lockmedel för marklevande predatorer under midvintermånader i Norrbottens inland por Johansson, Martin

“…The results from this study was not able to statistically significant prove any difference in efficiency between the three different lures used. …”
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Buffalo milk: influence of the first stage of lactation on plasmin system and free fatty acid of buffalo milk por Blänning, Caroline, Sandelius, Sofie

“…The present results in the study should only be taken as an indication, since no statistical analyse has been performed. The average PL activity from individual buffalos indicates an increase in the second week of lactation. …”
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Evaluación agronómica de forrajes con inclusión de enmienda dolomita en Nariño, Colombia por Zapata Molina, Jenny Jackeline, Portillo Lopez, Paola Andrea, Meneses Buitrago, Diego Hernán, Lagos Burbano, Elizabeth, Castro Rincón, Edwin

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Feeding the world while reducing farmer poverty? Analysis of rice relative yield and labour productivity gaps in two Beninese villages por Paresys, L., Saito, Kazuki, Dogliotti, S., Malézieux, E., Huat, J., Kropff, M.J., Rossing, W.A.H.

“…We identified opportunities to improve rice yield and labour productivity, given current farmer knowledge and resource endowment. Based on the statistical models fitted per village, increasing the average hill density would result in up to 1.2 t ha−1 more yield, and up to 4 kg person-day−1 greater labour productivity for Zonmon. …”
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Investigating the Effect of Climate Variability Maize Yield in Rwanda por Murenzi, Herve

“…The procedure of determining rainfall characteristics was carried out in Instat Plus statistical package Version 3.36 at station level. Early onset was identified in the Southwestern region during MAM season and northwestern regional during SOND. …”
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Possible links between groundwater geochemistry and chronic kidney disease of unknown etiology (CKDu): an investigation from the Ginnoruwa Region in Sri Lanka por Balasooriya, S., Munasinghe, H., Herath, A. T., Diyabalanage, S., Ileperuma, O. A.

“…Hydrogeochemical parameters were statistically compared by a Mann–Whitney U test and indicated signifcant diferences in total dissolved solids (TDS) (p=0.016), SO4 2- (p=0.005), PO4 3- (p=0.030), F- (p=0.048), Na+ (p=0.008), and Mg2+(p=0.008) between non-CKDu and CKDu wells at p=0.050 level. …”
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Revisiting the levels of aerosol optical depth in South-Southeast Asia, Europe and USA amid the COVID-19 pandemic using satellite observations por Acharya, P., Barik, G., Gayen, B. K., Bar, S., Maiti, A., Sarkar, A., Ghosh, Surajit, De, S.K., Sreekesh, S.

“…The average AOD, NO2 and SO2 during the lockdown period were statistically compared with their pre-lockdown average using Wilcoxon-signed-paired-rank test. …”
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FTA Highlight No.2 – Tree Seed and Seedling Systems for Resilience and Productivity por Graudal, L., Lillesø, Jens-Peter B., Dawson, Ian K., Abiyu, A., Roshetko, J.M., Nyoka, I., Tsobeng, A., Kindt, R., Pedercini, F., Moestrup, S., Jalonen, R., Thomas, E., McMullin, S., Carsan, S., Hendre, P., Kettle, Christopher J., Li, Y.X., Jamnadass, Ramni

“…It has supported better decision making through building information platforms to support tree-planting choices and tree seed system operations; designing maps to guide tree seed and seedling distribution that is suited to current and predicted future climatic conditions; and releasing statistical packages to guide appropriate tree planting and assess the impacts of this planting in terms of benefits such as additional carbon sequestered and extra soil protected. …”
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Occurrence, abundance and distribution of nematodes of banana linked to altitude in selected banana production areas with focus on pathogenicity of Pratylenchus goodeyi in Kenya por Douglas, N.N.

“…Data were subjected to a two-way ANOVA using R- version 3.5.1 system statistical software and means separated by the Tukey's test at P≤0.05. …”
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Ex ante impact of peste des petits ruminants control on micro and macro socioeconomic indicators in Senegal por Aboah, Joshua, Apolloni, A., Duboz, R., Okoth, Edward A., Dione, Michel M.

“…Considering that there was no statistically significant difference in the gross margin earnings and the potential per capita consumption when vaccination is performed with or without government subsidies, a sustainable strategy for PPR eradication will include the promotion of the benefits of vaccination via sensitization campaigns to stimulate farmers’ uptake of the practice.…”
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Hydrological response under CMIP6 climate projection in Astore River Basin, Pakistan por Ali, Zeshan, Iqbal, M., Khan, I. U., Masood, M. U., Umer, M., Lodhi, M. U. K., Tariq, M. A. U. R.

“…Bias correction method was used to reduce errors. In this study, statistical significance of trends was performed by using the Man- Kendall test. …”
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Knowledge, perceptions, and exposure to bats in communities living around bat roosts in Bundibugyo district, Uganda: implications for viral haemorrhagic fever prevention and contro... por Ninsiima, L.R., Nyakarahuka, L., Kisaka, S., Atuheire, C.G.K., Mugisha, L., Odoch, T., Romano, J.S., Klein, J., Mor, Siobhan M., Kankya, C.

“…Overall, there was a strong statistical agreement in the ranking across the 10 focus groups (W = 0.52; p < 0.01; n = 10). …”
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