نتایج جستجو برای: year term 2012
تعداد نتایج: 1242144 فیلتر نتایج به سال:
We report long-term patterns of quaking aspen (Populus tremuloidesMichx.) recruitment for five ungulate exclosures in the northern ungulate winter range of Yellowstone National Park. Aspen recruitment was low (<3 aspen·ha−1·year−1) in the mid-1900s prior to exclosure constructiondue toherbivorybyRockyMountain elk (Cervus elaphus Linnaeus, 1758) but increasedmore than60-fold within 25 years afte...
The spatial and temporal variation of satellite derived pre-monsoonal Aerosol Optical Depth (AOD) over the Indian region has been studied using long-term (2005–2021) data from Moderate Resolution Imaging Spectroradiometer (MODIS) Ozone Monitoring Instrument (OMI). In particular, three zones were selected, based on dominance natural, anthropogenic mixture both types aerosols. seasonal average AO...
BACKGROUND Respiratory viral infections are a major cause of hospitalisation in infants <1 year and might cause severe symptoms in preterm infants. Our aim was to analyse admissions due to respiratory infections in moderate, late and term infants, and to identify risk factors for hospitalisation in preterm versus term. METHODS Prospective study in a cohort of moderate and late preterm, and te...
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