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Full-Text Articles in Life Sciences

Quantifying The Impact Of Climate Change And Human Activities On Streamflow In A Semi-Arid Watershed With The Budyko Equation Incorporating Dynamic Vegetation Information, Lei Tian, Jiming Jin, Pute Wu, Guo-Yue Niu Dec 2018

Quantifying The Impact Of Climate Change And Human Activities On Streamflow In A Semi-Arid Watershed With The Budyko Equation Incorporating Dynamic Vegetation Information, Lei Tian, Jiming Jin, Pute Wu, Guo-Yue Niu

Watershed Sciences Faculty Publications

Understanding hydrological responses to climate change and land use and land cover change (LULCC) is important for water resource planning and management, especially for water-limited areas. The annual streamflow of the Wuding River Watershed (WRW), the largest sediment source of the Yellow River in China, has decreased significantly over the past 50 years at a rate of 5.2 mm/decade. Using the Budyko equation, this study investigated this decrease with the contributions from climate change and LULCC caused by human activities, which have intensified since 1999 due to China’s Grain for Green Project (GFGP). The Budyko parameter that represents watershed characteristics …


Does Drought Affect Reproduction In The Saltmarsh Sparrow (Ammodramus Caudacutus)?, Valerie K. Watson May 2018

Does Drought Affect Reproduction In The Saltmarsh Sparrow (Ammodramus Caudacutus)?, Valerie K. Watson

Honors College

The Saltmarsh Sparrow (Ammodramus caudacutus) is experiencing steep population declines, with extinction likely within the next few decades. Sea-level rise has been identified as a major threat to the species, but little has been done to examine the effects of other aspects of climate change on Saltmarsh Sparrow populations. In this study, I examine whether drought affects reproductive success in the Saltmarsh Sparrow. I use nest- and chick-monitoring data collected over five years across the northern half of the species range to test whether drought conditions affect four metrics of reproductive success in these birds: hatch rate, clutch …