Ou River (Zhejiang) two alien species (Mozambique tilapia and largemouth bass); however, 34 species recorded in 1972 were absent in 2010, and overall fish density was lower. Goby "Pseudorhinogobius aporus" is endemic to the Ou River system: it is only known from a brook in the upper Ou River system. Ou River (Zhejiang) The Ou River () or Oujiang is the second-largest river in the Zhejiang province of eastern China. The river flows before finally reaching the city of Wenzhou and emptying into the East China Sea, into which it discharges of water annually. Shen Jiang (), Jiang Yongjia (), and Wenjiang ()
History of virtual learning environments History of virtual learning environments A virtual learning environment (VLE) is a system that creates an environment designed to facilitate teachers' management of educational courses for their students, especially a system using computer hardware and software, which involves distance learning. In North America, a virtual learning environment is often referred to as a "learning management system" (LMS). The terminology for systems which integrate and manage computer-based learning has changed over the years. Terms which are useful in understanding and searching for earlier materials include: Develops the "Interactive Learning Network" ILN 1.5, and installs it at several academic institutions including Cornell