Actually, the idea that the nature is in balance seems to be discredited. It is basically either no more than a myth [1], poorly defined [2], or untrue in the traditional conceptualizations [3].

[1] https://press.princeton.edu/titles/8853.html

[2] http://www.wcbbf.org/pdf/balanceofnature/8.pdf

[3] https://journals.sagepub.com/doi/abs/10.1177/096366250506302...