Results 21 to 30 of about 851,487 (265)
Revista de TeledetecciónUrban expansion constitutes one of the main activities that modify natural environments worldwide; the most vulnerable areas to these effects are peri-urban areas.
Jorge Alberto Escandón-Calderón +4 more
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Expansion and contraction of the Engraulis ringens spawning area in northern Chile
Scientia Marina, 2022 Many studies have considered the temporal patterns of reproduction of Engraulis ringens, but little attention has been given to the spatial patterns of reproduction (spawning areas), which have shown great variability in both location (geographical ...
Paola Moreno, Gabriel Claramunt
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Effect of Planting Date, Clipping Height, and Cultivar on Forage and Grain Yield of Winter Wheat in Argentinean Pampas [PDF]
, 2006 In Argentinean Pampas, new wheat (Triticum aestivum L.) cultivars are routinely introduced to farmers for dual-purpose production. The objective of this study was to evaluate the effect of planting date, clipping height on forage, and grain yield for ...
Arroquy, Jose Ignacio +3 more
core +1 more source
BMC Genomics, 2019 Background Weeping lovegrass (Eragrostis curvula [Shrad.] Nees) is a perennial grass found in semi-arid regions that is well adapted for growth in sandy soils and drought conditions. E.
Ingrid Garbus +6 more
doaj +1 more source
Usos tradicionales y prácticas de manejo de Piper auritum en comunidades maya rurales de Yucatán
Botanical Sciences, 2023 Background: Plant domestication is a continuous, multidirectional process that is directed via plant selection and management. In the current study we use Piper auritum, an aromatic plant frequently used in Mexican cuisine and for medicinal purpose, to ...
Rosa Pérez-Hernández +5 more
doaj +1 more source
Recursos naturales y conflicto
Diálogos de saberes, 2013 La producción de palma africana ejemplifica una de las más claras tendencias mundiales de cambios en el comercio: primero, la prioridad no es la producción de alimentos, en tanto no se produce comida y, en segundo lugar, el campesino, sujeto cultural, social y político tradicional del proceso productivo, es completamente desplazado (Molano, 2012).El ...
Rosalvina Otálora Cortés +1 more
openaire +2 more sources
Biological Control of Phototrophic Biofilms in a Show Cave: The Case of Nerja Cave
Applied Sciences, 2020 Cyanobacteria and microalgae are usually found in speleothems, rocks and walls of show caves exposed to artificial lighting. These microorganisms develop as biofilms coating the mineral surfaces and producing aesthetic, physical and chemical ...
Valme Jurado +4 more
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Requerimientos hídricos para el cultivo de fréjol variedad Calima en Riobamba, Ecuador
Ingeniería Hidráulica y Ambiental, 2022 La investigación se realizó con el objetivo de definir los requerimientos hídricos del fréjol (Phaseolus vulgaris L.) var. Calima en Macají, Cantón Riobamba, Provincia de Chimborazo.
Juan Eduardo León Ruiz +4 more
doaj
Advanced Intelligent Systems, EarlyView.This study presents a multitask strategy for plastic cleanup with autonomous surface vehicles, combining exploration and cleaning phases. A two‐headed Deep Q‐Network shared by all agents is traineded via multiobjective reinforcement learning, producing a Pareto front of trade‐offs.
Dame Seck +4 more
wiley +1 more source
Efecto de la defoliación post-quema sobre el crecimiento de dos gramíneas nativas en el Caldenal, Argentina [PDF]
, 2009 El crecimiento en los pastizales naturales semiáridos puede ser afectado por la longitud de tiempo que el pastoreo es excluido durante el período de regeneración post-fuego.
Boo, Roberto Miguel +4 more
core