The Earth as Modified by Human Action: A New Edition of Man and Nature

abundant acres action agricultural Alps American ancient animals annual Apennines Ardèche artificial ascribed atmosphere banks basin Becquerel birds canals century channel character climate coast consequently considerable countries course covered cubic yards cultivated deposit depth desert destruction dikes discharge draining dunes earth effects Egypt ELISÉE RECLUS Europe evaporation extent fact feet fertile floods flow forest France geographical geological ground growth height Hence human humidity hundred important inches increase influence insects inundations irrigation Italy lake land Lappmarken larvæ latter less Lombardy Maremma maritime pine miles millimetres moisture mountains natural Nile Northern observations period pine plains plants precipitation present probably produced proportion protection provinces quadrupeds quantity rain river rock roots sand season shores snow soil species springs square miles strata stratum streams supply supposed surface sylviculture temperature timber tion torrents transported trees Val di Chiana valley vegetable wild wind winter woods Zuiderzee