Resultados de búsqueda - "subjectivity"

Fuel and fire characteristics in savanna–woodland of West Africa in relation to grazing and dominant grass type por Savadogo, P., Zida, D., Sawadogo, L., Tiveau, D., Tigabu, M., Oden, P.C.

“…The average maximum temperature was higher (P<0.05) on non-grazed plots, on plots dominated by annual grasses, on plots subjected to head fire, and at the soil surface. Lethal temperature residence time showed a nearly similar trend to fire temperature.Wind speed and total fuel load were best predictors of fire behaviour parameters (R2 ranging from 0.557 to 0.862). …”
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Processes of large-scale land acquisition by investors: Case studies from Sub-Saharan Africa por German, L., Schoneveld, George C., Mwangi, E.

“…Recent publications on the social and environmental effects of these large-scale land transfers and growing concern from civil society have placed the subject of “global land grabs” firmly on the map of global land use change and public discourse. …”
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Water resource models in the Mekong Basin: A review por Johnston, R., Kummu, M.

“…Development of the water resources of the Mekong Basin is the subject of intense debate both within the Mekong region and internationally. …”
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Nutrition of draught oxen in semi-arid West Africa. 2. Effect of work on intake, apparent digestibility and rate of passage of food through the gastro-intestinal tract in draught o... por Fall, Abdou, Pearson, R.A., Lawrence, P.R., Fernández Rivera, S.

“…The heat stress that working animals were subjected to did not appear to interfere with their digestive function.…”
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Infection prevalence of ovine fasciolosis in small-scale irrigation schemes along the Upper Awash River Basin por Asrat, M., Petros, B., Jobre, Y., Peden, Donald G., Shiferaw, Y., Taddesse, G., Mamo, M.

“…No statistically significant difference (p>0.05) was depicted between fasciolosis infection prevalence in mid-altitude and lowland study sites, as well as between age and sex categories of examined subjects. The overall wet season prevalence (59.2%) was significantly higher (p<0.05) than the dry season prevalence (53.6%). …”
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Challenge of Theileria parva (Boleni) immunised cattle with selected East African Theileria stocks por Hove, T., Musisi, F.L., Kanhai, G.K., Latif, A., Masaka, S., Munatswa, F.C., Pegram, R.G., Kamwendo, S.P., Quiroga, J.C., Mwangondwe, R., Dolan, T.T.

“…Twenty-eight days after immunisation the animals in groups of 6 plus 2 susceptible controls were subjected to challenge: 3 groups with heterologous stocks and one group with the immunising stock. …”
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Demand for livestock products in developing countries with a focus on quality and safety attributes: Evidence from Asia and Africa por Jabbar, M.A., Baker, Derek, Fadiga, M.L.

“…However, little consistent rigorously researched evidence has been published on this subject. This report presents results based on case studies conducted in a number of developing countries in Asia and Africa—Bangladesh, Cambodia, Ethiopia, India, Kenya, Tunisia, and Vietnam. …”
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Effects of grazing on plant species composition and spatial distribution in rangelands of the Sahel por Hiernaux, Pierre H.Y.

“…Herbaceous species were recorded in plots of increasing size from 1/64 to 1024 m2 in ten fallow plots subjected to five different grazing treatments over the previous three years. …”
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Farmers' perceptions of the impacts of tsetse and trypanosomosis control on livestock production: Evidence from southern Burkina Faso por Kamuanga, M., Sigue, H., Swallow, B.M., Bauer, B., D'Ieteren, G.D.M.

“…While there are many confounding factors associated with farmers' perception of a gain in productivity, these estimates form a useful alternative to subjective assessments in modelling the economic benefits of tsetse and trypanosomosis control.…”
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Climate change in dry lands of Central Asia: from assessment methods to adaptation strategies por Glazirina, M., Yuldashev, Tulkun, Sommer, Rolf

“…Since the mid-1990s, the issue went beyond the scientific papers and discussions and became the subject of discussions among policy makers. Key issues of climate change impact on the environment, economic development, wellbeing, health and safety of the population, often discussed in various scientific and political forums, and many of them have been set up as priority for coordinated actions. …”
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Water-land linkages: a relatively neglected issues in integrated water resources management por Bandaragoda, Don Jayatissa

“…However, the related resource management issues are either buried in soil science research or sub-merged in water management discourses. Subjects of erosion, degradation, drought and flooding are often discussed as either solely soil-related issues, or purely water-related issues. …”
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Uncovering consistencies in Indian rainfall trends observed over the last half century por Lacombe, Guillaume, McCartney, Matthew P.

“…Trends in Indian rainfall records have been extensively studied but the subject remains complicated by the high spatiotemporal variability of rainfall arising from complex atmospheric dynamics. …”
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Chlorophyll index, photochemical reflectance index and chlorophyll fluorescence measurements of rice leaves supplied with different N levels por Shrestha, S., Brueck H, Asch, F.

“…This finding which has not been reported for N-supply effects so far is indirect evidence that low N-supply induced xanthophyll cycle activity and that PRI values are able to indicate this at least in plants subject to severe N deficiency.…”
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Effect of wheat bran supplementation at graded levels on changes in physical body composition in teff straw (Eragrostis tef) fed Zebu (Bos indicus) oxen of the Ethiopian highlands por Wolde-Michael, T., Osuji, P.O., Yimegnuhal, A.

“…Fifty four castrated Zebu oxen, of 5-6 years age and similar body condition were allocated to three treatment groups based on a randomized block design with unequal block sizes and within block replication and were subjected to three levels of supplementation wheat bran (0.75, 2.75 and 4.75 wheat bran kg/day). …”
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Identification of Cassava MicroRNAs under abiotic stress por Ballén-Taborda, Carolina, Plata, Germán, Ayling, Sarah, Rodríguez Zapata, Fausto, Becerra López Lavelle, Luis Augusto, Duitama, Jorge, Tohme, Joseph M.

“…Here, we use high-throughput sequencing and different bioinformatics methods to identify potential cassava miRNAs expressed in different tissues subject to heat and drought conditions. We identified 60 miRNAs conserved in other plant species and 821 potential cassava-specific miRNAs. …”
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The vulnerability of native rangeland plant species to global climate change in the West Asia and North African regions por Belgacem, A.O., Louhaichi, Mounir

“…The main results indicated that threatened range species, such as S. vermiculata which were subjected to continuous grazing pressure, showed high vulnerability to climate change as expressed by the predicted decrease in the areas of their distribution. …”
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Livestock and the environment: What have we learned in the past decade? por Herrero, Mario, Wirsenius, S., Henderson, Benjamin B., Rigolot, Cyrille, Thornton, Philip K., Havlík, Petr, Boer, Imke J.M. de, Gerber, Pierre J.

“…The livestock and environment nexus has been the subject of considerable research in the past decade. …”
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Reproductive performance of Tswana ewes and Boer does in south-eastern Botswana por Seabo, D., Aganga, A.A., Mosienyane, M.

“…A total of 70 lambings and 152 kiddings involving 202 lambs and 288 kids were subjected to statistical analysis. The parameters studied were age at first parturition (AFP), parturition intervals (PI), annual parturition rate (APR), birth weight (BOO) and correlation between dam weight (DW) and young birth weight. …”
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Is the Ethiopian Boran breed under threat? Observations on morphological variables at Adamitulu Research Centre and Abernosa Ranch por Alemayehu, Nigatu

“…Similarly they were grouped into typical and variant forms of the Ethiopian Boran cattle based on subjective judgment of experienced herd attendants. …”
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Assessment of microbiological hazards along the milk value chain in Kilosa and Mvomero districts, Tanzania por Joseph, E.

“…Collected milk samples were subjected to TVC, TCC and polymerase chain reaction (PCR) to identify the presence of microorganisms in the milk. …”
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