Search Results - "altitud"

Amyris barbata Lundell, una especie forestal valiosa poco conocida en los trópicos by Santander Flores, Carlos, Albertin, Waldemar

“…Site factors measured include altitude, precipitation, average temperature, and soil capacity for plant production. …”
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Diversity studies in 21 maize (Zea mays L.) accessions based on agro-morphological characters and diversity array technology (DArTs) by Nwogwugwu, P.A.

“…(Lat. 70°15'N and Long. 30°25'E altitude 144 m above sea level) Ogun State. Laboratory work was carried out at the Bioscience Centre, IITA. …”
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The Use of Geographic Information Systems in Biodiversity and Conservation by Jones, Peter G., Beebe, Stephen E., Tohme, Joseph M., Galwey, Nicholas W.

“…We use the latitude, longitude and altitude of the location of origin of each accession in a germplasm collection of wild P. vulgaris, along with long-term monthly mean values of rainfall, temperature and diurnal temperature range for about 10000 stations throughout Latin America to produce maps indicating areas with ‘bean-favouring’ climates. …”
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The transition of maca from neglect to market prominence: lessons for improving use strategies and market chains of minor crops by Hermann, M., Bernet, T.

“…Maca is an edible root crop of the crucifer family endemic to the Puna of the high Andes in Central Peru around Lake Junin, a chilly plateau at 4000 m altitude. Grown in the late 1980s exclusively in its native area, on no more than 50 ha, maca has experienced over the last years a meteoric rise from an overlooked botanical curiosity to Internet notoriety. …”
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Trees, terraces and llamas: Resilient watershed management and sustainable agriculture the Inca way by Frogley, M.R., Chepstow-Lusty, A., Thiele, G., Chutas, C.A.

“…The Inca and their immediate predecessors provide an exceptional model of how to create high-altitude functional environments that sustainably feed people with a diversity of crops, whilst mitigating erosion, protecting forestry and maintaining soil fertility without the need for large-scale burning. …”
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Fusarium wilt of banana in Uganda, with special emphasis on wiltlike symptoms observed on east Africa highland cooking cultivars (Musa SPP., AAA) by Gold, C., Rutherford, M., Kangire, A., Karamura, E.B.

“…Wilt of highland cultivars was only observed in western Uganda at altitudes greater than 1300 masl and mainly within 30 m of homesteads, animal kraals and garbage dumps. …”
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Genetic and agronomic improvement for sustainable production of plantain and banana in subSaharan Africa by Vuylsteke, D.R., Ortíz, R., Ferris, S.

“…Plantain and banana (Musa spp.) are integral components of the farming systems in the humid forest and mid-altitude ecologies of sub-saharan Africa. They provide more than 25% of the carbohydrates for approximately 70 million people in the region. …”
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Consequences of white rhinoceros (Ceratotherium simum) poaching on grassland structure in Hluhluwe-iMfolozi Park in South Africa by Vu, Emy

“…The density of herbivores tended to decrease with higher altitude. No significance difference in grassland structure was found on a local scale, due to the lack of hotspots, i.e. middens and termite mounds, found along the transects. …”

A study of the preliminary National Forest Inventory in Georgia : with special emphasis on degraded vs. non-degraded forest by Beil, Rahel

“…No significant differences were found between the degraded and nondegraded forests for the selected variables, canopy cover, regeneration, deadwood, basal area and biodiversity. Nevertheless, the altitude as well as accessibility can give some indication on whether a plot has potential to be degraded or not. …”

External Program Review of IITA, 1984 by CGIAR Technical Advisory Committee

“…Arnold, chairman of the EPR panel, a response from IITA, TAC's commentary, and the text of the report of the EPR of IITA, which was conducted during September and October 1983.The panel suggested that IITA should have a global mandate for research in high rainfall, low altitude tropics. There was a danger that too much identification with Nigeria, or even a region of Africa, might invite political interference. …”
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First report of mixed infection of cassava brown streak virus and Ugandan cassava brown streak virus on cassava in north-eastern Democratic Republic of Congo by Casinga, C.M., Monde, G., Shirima, R.R., Legg, James P.

“…Recognized from coastal East Africa since the 1930s, it is only in recent years that outbreaks have occurred in higher altitude areas of the African Great Lakes region (Legg et al. 2011). …”
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Current trends in silvopastoral systems by Peri, Pablo Luis, Chará, Julián, Viñoles, Carolina, Bussoni, Adriana, Cubbage, Frederick

“…These ecosystems range from sea level up to> 2000 m of altitude, from 5.6 to 28.4 °C mean annual temperature, and from 200 to 3500 mm yr−1 mean annual precipitation, and from 10 to 250 ha (Peri et al. 2019). …”
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Distribución de garrapatas en 25 municipios del departamento de Antioquia. by López Valencia, Gustavo de J., Zúñiga Arce, Ismael, Villar Cleves, Carlos E., Osorio G, Dario

“…Un estudio en 274 fincas ganaderas representativas de explotaciones de leche y carne, demostró que la garrapata Boophilus microplus apareció ampliamente distribuida en el ganado bovino en 25 municipios del departamento de Antioquia, localizados en climas cálidos, templados y fríos con altitudes comprendidas entre 123 y 2562 m. Además se encontró parasitando equinos y ovinos. …”
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Human impact on the forest line by Salmonsson, Jonas

“…The results show that around the dwellings a deforestation occurred locally and the altitude of the forest line was lowered. Also, a chatastophic shift in the ecosystem might have occured that reduced the ability of the forest to regenerate. …”
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Heat stress in dairy cattle in Kenya. by Ikiror, D.

“…McDowell (1994) states that the lower altitudes in the WCZ2 ? 1000 m elevation) represent physical environments, which can have deleterious effects on a…”
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Stamräkning och identifiering av åtgärdsbehov i röjnings- och gallringbestånd med hjälp av låghöjdsbilder by Djurberg, Johan

“…The selection of flight altitude was based on experiences from a pilot study made in 2007. …”
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Community-based vicuña (Vicugna vicugna) shearing in the arid Puna of Argentina: Body weight and fiber traits obtained during the chakus by Sacchero, Diego Mariano, Quiroga Roger, Juan Alfonso, Romero, Sandra Raquel, Maurino, Maria Julia, Gonzalez, Ezequiel Bernardo

“…In adult vicuñas BW and SL were significantly affected by altitude, FW was affected by sex, and all the other quality variables were affected by the sampling location. …”
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System dynamics and the defintion of research domains for the northern Guinea Savanna of West Africa by Weber, G., Smith, J., Manyong, Victor

“…The northern Guinea savanna in Africa (NGS) with a season length of 151–180 days and an altitude below 800 m has long been recognized as highly suitable for crop production and animal husbandry. …”
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Xishuangbanna cucumber landraces and associated traditional knowledge by Yunhui, Y., Keyu, B., Jarvis, D., Chunlin, L.

“…Only a few households in the remote and high-altitude mountainous villages continue to cultivate very limited amounts of XC for family consumption. …”
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Arbuscular and ectomycorrhizal fungi diversity in the Indian subcontinent by Beggi, Francesca, Dasgupta, Debarshi

“…From the screening of 74 studies, we have recorded: i. the scientific or common name of the plant or the generic habitat sampled for MF identification; ii the MF genus and species; iii. the location of the study with associated altitude and geographic coordinates; iv. main soil physico-chemical properties (soil pH, texture, organic Carbon, Total Nitrogen, available Phosphorus); climatic variables such as mean annual precipitation and temperature.…”
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