Buscar
Mostrando ítems 21-30 de 100
Dispositivo condensador de água atmosférica
(Universidade Federal do Rio Grande do NorteBrasilUFRNEngenharia Mecânica, 2019-12-04)
The Brazilian semi-arid region has a climate ranging from sub-humid to semi-arid, which is marked by the scarcity and irregularity of rainfall associated with high evaporation rate. Although it is difficult to find water ...
Agro-Ecological Zoning for Tall Wheatgrass (Thinopyrum Ponticum) as a Potential Energy and Forage Crop in Salt-Affected and Dry Lands of Argentina
(Scientific Pages, 2017-04-10)
Thinopyrum ponticum, is the most disseminated halophyte speciescultivated for forage on hydro-halomorphic soils in the world. Theobjective of the present work was to identify the geographicareas fordevelopment of tall ...
Sedimentology, diagenesis and ichnology of Cretaceous and Palaeogene calcretes and palustrine carbonates from Uruguay
(Elsevier Science, 2011-04)
The Cretaceous (Mercedes Formation) and Paleogene (Queguay Formation) deposits cropping out in W and S Uruguay comprise two terrestrial limestone units that are very rich in trace fossils. The study of these units permits ...
The Potential Growing Areas for Argania spinosa (L.) Skeels (Sapotaceae) in Argentinean Drylands
(Hindawi Publishing Corporation, 2018-05-02)
The argan (Argania spinosa L.) tree is indigenous to southwestern Morocco. Successful introduction of this species in Argentina depends on the degree of climate similarity in the natural area compared to new areas with ...
High-precision U-Pb calibration of Carboniferous glaciation and climate history, Paganzo Group, NW Argentina
(Geological Society of America, 2010-09)
The duration and geographic extent of Carboniferous glacial events in southern Gondwana remain poorly constrained despite recent evidence for a more dynamic glacial history than previously considered. We report 10 ...
Influência dos extremos climáticos e do balanço hídrico na produtividade agrícola
(Universidade Federal do Rio Grande do NorteBrasilUFRNPROGRAMA DE PÓS-GRADUAÇÃO EM CIÊNCIAS CLIMÁTICAS, 2021-04-30)
In a scenario of climate change, the current levels of productivity, under broad
environmental conditions, production per harvested area is intrinsically linked to issues
of water availability in the soil. Understanding ...
Water relations and leaf growth rate of three Agropyron genotypes under water stress
(Instituto de Histología y Embriología, 2002-12)
The effects of water stress on leaf water relations and growth are reported for three perennial tussock grass genotypes under glasshouse conditions. Studies were performed in genotypes El Palmar INTA and Selección Anguil ...
Patagonian Desert
(Elsevier, 2019)
The Argentinian Patagonia is a vast area (790,000-km2) of southern South America between 36° and 55°S. Almost 90% of the area is arid, semiarid or dry- subhumid (drylands) and covers important and heterogeneous ecological ...
Susceptibilidade a desertificação para o estado de Pernambuco
(Universidade Federal de Minas GeraisBrasilICA - INSTITUTO DE CIÊNCIAS AGRÁRIASUFMG, 2020)
Desertification can be understood as a process of degradation of arid, semi-arid and dry sub-humid lands, resulting from climatic variations and human activities. Most damaging aspects fall mainly on the reduction of ...