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The contribution redefines the concept of“terra-forming”and the basically technical term“waterworks”froma sociological interpretation of metabolism:since human reproduction emancipatedfrom mereparticipation fromnature,it became,at least,a systematic transformation of nature.Irrigation and drain-age became the twin brothers of agriculture and mining,the most i mportant modifiers of both metabolismand natureitself.Fromthe early“hydraulic”toward modern“industrial”societies,the systemic co…  相似文献   

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In floodplains of large rivers,more than eighty percent of the potentially inundated areas are devel-oped for agricultural use and settlement purposes by diking and cultivation measures.The fertile soils ofthe polders represent ten percent of the agricult…  相似文献   

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The River Rhine situatedin the middle of central Europe is a striking example for the diverging con-cerns of natural wetland schemes and human uses.The River Rhine basin covers an area of190000km2andis settled by50million people,livingin nine different countries.Onlyin the19th century the naturalmoving water courses of the River Rhine were fixedin a singular riverbed allowingthe human utilization ofthe flood prone areas by agriculture,settlement andinfrastructure.Extreme floods in the last …  相似文献   

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