oligotrophicationn.
/ˌɒlᵻɡəˌtrəʊfᵻˈkeɪʃn/, U.S. /ˈˌɑləɡoʊˌtrɑfəˈkeɪʃ(ə)n/, /ˈˌɑləɡoʊˌtroʊfəˈkeɪʃ(ə)n/, /ˈˌoʊləɡoʊˌtrɑfəˈkeɪʃ(ə)n/, /ˈˌoʊləɡoʊˌtroʊfəˈkeɪʃ(ə)n/ Ecology.
The process of becoming oligotrophic.
ΚΠ
1973 Science 22 June 1225/2 With the advent of oligotrophication in Lake Erie, our partial understanding of the effects of 150 years of eutrophication should prove useful in defining variables to be monitored.
1984 E. J. Kormondy Concepts Ecol. (ed. 3) vi. 256 But oligotrophication, a reversal of eutrophication, in no way assumes restoration of a previous, let alone pristine, state.
2001 Water Sci. & Technol. 44 591 The remedy for this scenario is the introduction of methods to enhance oligotrophication by means of constructed wetlands and buffer zones.
This is a new entry (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1973