You can look at wildlife/pollinator gardening. There are different focuses like rewilding or even restoration. There are also a lot of companies willing to sell incredibly invasive plants while calling them nice things, so buy from a reputable source if you do buy plants or seeds.
What would this sort of gardening/lawn care be called if I wanted to find more concrete explanations and details towards achieving your own ecosystem
You can look at wildlife/pollinator gardening. There are different focuses like rewilding or even restoration. There are also a lot of companies willing to sell incredibly invasive plants while calling them nice things, so buy from a reputable source if you do buy plants or seeds.