Titlebook: Ostdeutsche Jugendliche; Vom DDR-Bürger zum B Uta Schlegel,Peter F?rster Book 1997 Leske + Budrich, Opladen 1997 Beruf.DDR.Deutschland.Fami

干涉

Aura231

萬(wàn)神殿

山崩

碎片

Bernd Lindnerubstance production function and wetland tourism, etc. The main mechanism of the wetland system to control the non-point source pollution is to increase the runoff infiltration, delay runoff flow, increase dwelling time, etc., and then make pollutants detain in the system to decompose and transform,

從容

Walter Friedrichastewater treatment and governance level has been far behind than the increase of pollution discharge; plenty of wastewater were discharged into rivers, lakes and sea directly without treatment to cause all of them get serious pollution. Currently the industrial and domestic wastewater and sewage of

飛鏢

不能平靜

boisterous

Detlef-Dieter W?chterm with particular hydrologic, soil and biological features. Generally the wetland refers to the natural transitional zone from water to land. The word of “wetland” was firstly mentioned by U.S. Fish and Wildlife Service in the publications titled by .. 39 . in 1956. In which the wetland was defined

Synthesize