One of the things I’ve been picking up over the past year or so is issues of a particular magazine. Gamekeeper: Farming for Wildlife.
I grant, it’s riddled with lots of ads, and plenty of heavy machinery and chemical use. But it does address an aspect of the world I think a lot of post-apocalyptic fic misses. Namely: you plan on hunting and fishing for part of your food? What are you going to do to improve your odds? What can you do, when everyone else who’s survived also wants to hunt what you’re eating? What can you do over the short term and the long term – since once you make it past the first month of End of the World, you’d better start thinking long-term!
If you want to poke that aspect of worldbuilding, there’s an awful lot of information in these magazines.
And don’t rule this out for fantasy world-building, either. Hunting was a major noble occupation in a lot of the world for a very long time, for good reasons. Among other things, it let the nobles get together with weaponry involved and learn to work together when they weren’t in the middle of a war.
…And seriously, Robin Hood. As a yeoman and forester he’d know a lot of this stuff. 😉
Also, the stuff on planting food plots, positioning minerals, maintaining lakes, and using fences all dovetails neatly with other books on survival and gardening. Especially if you’re taking a leaf from some articles on unconventional gardening and/or permaculture. Got an overgrowth of water hyacinth in the lake you need fish in? There are ways to make that into a floating garden, so you yank out the pesky problem and get some grub out of it. Fallen trees, and for some reason you can’t get it somewhere to dry and cut for later? You can mound earth and plants over them, and garden fed by the decaying wood. And if you’re in a setting where you can add magic to each of those, they’d probably give interesting results compared to a standard garden….
After all, in the standard medieval-based society, over 90% of people are directly involved in food production. Why not let them get some magic, and see what happens? 😉