نتایج جستجو برای: historically

تعداد نتایج: 22149  

Journal: :Royal United Services Institution. Journal 1880

Journal: :Merrill Series on The Research Mission of Public Universities 2005

2014
Laura J. Martin Anurag A. Agrawal Clifford E. Kraft

1. Browsing by overabundant white-tailed deer (Odocoileus virginianus) has altered ecological relationships in forest communities across eastern North America. Recent but limited work suggests that deer browsing also selects for particular plant defensive traits. 2. We hypothesized that browsing by deer has imposed selection on defensive traits in an annual native wildflower, orange jewelweed (...

2012
Andy Tseng

........................................................................................................ii List of Tables...................................................................................................v List of Figures.................................................................................................v

2011
Ryan N. Maue

[1] Tropical cyclone accumulated cyclone energy (ACE) has exhibited strikingly large global interannual variability during the past 40‐years. In the pentad since 2006, Northern Hemisphere and global tropical cyclone ACE has decreased dramatically to the lowest levels since the late 1970s. Additionally, the global frequency of tropical cyclones has reached a historical low. Here evidence is pres...

Journal: :The Journal of Laryngology, Rhinology, and Otology 1913

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