See my other reply, the long one, which goes into some detail answering that question.
Sorry, I don't see where you do. Food preservation techniques, migratory habits, gathering crabs or berries doesn't tell me anything at all about how people avoided population growth.
From Mike Darwn's Chronopause, an essay titled "Would You Like Another Plate of This?", discussing people's attitudes to life:
Conclusion, graphs, and references in article. As usual, I recommend reading Chronopause.com as Darwin has many good articles; to quickly link a few: