Effect of human beings on Homme 7 Influence sur la nature 7 Nature Landscape changes 3 Modifications 3 Paysages 3 more ... Description and travel 2 Descriptions et voyages 2 Découverte et exploration espagnoles 2 Discovery and exploration 2 Ecology 2 Indians of North America 2 Influence 2 Landschaftsentwicklung 2 Spanish 2 Travel 2 15.30 archaeology: general 1 42.91 terrestrial ecology 1 Agriculture 1 Aménagement du territoire 1 Amérindien (peuple) 1 Anthropogeographie 1 Archeologie 1 Biotic communities 1 Botanik 1 Botanique 1 Botany 1 Description 1 Effect of environment on 1 less ...