Phenological Studies in the Mojave Desert at Rock Valley (Nevada Test Site)
Desert regions have an environment characterized by low moisture that is irregularly distributed in space and time, temperatures with large diurnal and seasonal ranges; and periodic strong winds. Plants in deserts have adapted to these conditions by a rapid response when conditions are favorable and to long periods of dormancy or inactivity under poor conditions. Thus they have a phenology that is closely related to rainfall and temperature and, in particular, to soil moisture. Our purpose is to determine the influence of environmental factors on phenology of desert shrubs in an area of the Mojave Desert.
KeywordsPhenology Mojave Desert US/IBP Desert Biome desert shrubs annuals air-soil temperatures rainfall soil moisture dormancy flowering species response productivity
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