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1.598.896  Articles
1 of 159.891 pages  |  10  records  |  more records»
Se estimó la población de abejas, áreas con cría, miel y polen en 150 colonias de abejas melíferas (Apis mellifera) establecidas en las regiones semiseca templada, subhúmeda templada y semiseca semicálida de Zacatecas, México, durante las épocas de primav... see more

Heraclides anchisiades capys (Lepidoptera: Papilionidae), Citioica anthonilis (Lepidoptera: Saturniidae), and Methona themisto (Lepidoptera: Nymphalidae) are tree and shrub pests commonly found in urban areas. The parasitism capacity of Palmistichus elaei... see more

El número de personas muertas y heridas, así como la cantidad de viviendas que se derrumban por efecto de los desastres naturales, están aumentando de modo alarmante. Esto se debe, en parte, a la concentración de la población en ciudades y en zonas de muc... see more

Sheep and goat farming is considered to be one of the most dynamic sectors of the rural economy in Greece, both in terms of employment and overall income. The aim of this paper is to review the levels of sustainability in the small ruminant production sys... see more

The use of natural protected areas has been analyzed abundantly in the relevant literature, although on many occasions these areas are studied from the viewpoint of their role as a tourist destination in themselves, while neglecting their role as a touris... see more

In order for a risk assessment to deliver sensible results, exposure in the concerned area must be known or at least estimated in a reliable manner. Exposure estimation, though, may be tricky, especially in urban areas, where large-scale surveying is gene... see more

The suitability of EGNSS (including EGNOS and Galileo early services) for safety railway applications has been analysed by several European projects such as Grail, Grail-2, Satloc, 3InSat, and it is currently being analysed by ERSAT EAV. ERSAT EAV in part... see more

El objetivo fue evaluar el comportamiento higiénico (CH) de abejas melíferas (Apis mellifera) africanizadas y su impacto en la resistencia a la ascosferosis causada por Ascosphaera apis. Se evaluó el CH y la población de abejas adultas y de cría de 50 col... see more

The objective of this study is to identify and analyse the main characteristics of areas potentially degraded by desertification and of preserved areas using the Soil Surface Moisture Index (SSMI), alongside the Land Surface Temperature (LST) and Normaliz... see more

1 of 159.891 pages  |  10  records  |  more records»