نتایج جستجو برای: quercus spp
تعداد نتایج: 57431 فیلتر نتایج به سال:
The distribution and abundance of the various truffle species are influenced by climate, soil, vegetation conditions. setting these characteristics is necessary for potential species’ cultivation. Here, we describe ecological Moroccan truffles desert their associations with host plants. We also determine climate soil parameters relating to geographic fructification truffles. In contrast truffle...
BACKGROUND The carbohydrate profile of some woods used for aging wines and spirits has been recently studied using a pressurized liquid extraction method, the main differences found being related to cyclitol content. The aim of this study was to perform a detailed study of these compounds in woods of different Quercus species in order to identify two unknown compounds which appeared in the extr...
Widespread and prolonged defoliation by the European winter moth, Operophtera brumata L., has occurred in forests of eastern Massachusetts for more than a decade and populations of winter moth continue to invade new areas of New England. This study characterized the forests of eastern Massachusetts invaded by winter moth and related the duration of winter moth defoliation estimated using dendro...
Tree decline caused by exotic Phytophthora pathogens is a serious issue affecting forests around the world. The presence of has been reported in heavily visited natural forests; however, whether recreational are at higher risk being attacked than non-recreational yet to be explored. In this study, we sampled soil from 44 Catalonia (NE Spain) with high or low use that were dominated chestnut (Ca...
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