Nick Routledge@nick_routledge
Reply to @AimeTim

@AimeTim You likely already know that ngram points to the phrase itself in 1900. Section 2(a) here, from 1909, sounds surprisingly modern. books.google.com/books?id=EI0eAAAAIAAJ&pg=PA260&dq=Integral+ecology&hl=en&newbks=1&newbks_redir=0&source=gb_mobile_search&sa=X&ved=2ahUKEwjI3dGIof6IAxW0FzQIHZaOI4IQ6AF6BAgJEAM#v=onepage&q=Integral%20ecology&f=false