Posted: 05/02/2016 at 11:46
I grow autumn fruiting raspberries & can confirm they need less cosseting than summer ones. I don't bother netting them and my supports consist of simple pole surrounds and (tough) twine or wire threaded round and through the patch of canes.
The main problem I have with autumn raspberries is the root runners which have to be ruthlessly pulled up and cut back every spring. They can be quite rampant if they like the conditions & I'm a little concerned you might end up with raspberries growing through your strawberries if they are only a couple of metres away.
I have to net strawbs against blackbirds - but I use a temporary low mini cage & just lift the netting off as I need to pick them. This cage is constructed round the plants just before the fruits ripen & removed when they've finished.
I've allowed 1.5m between my currant bushes and construct temporary individual cages around them as the fruits ripen. (At least that's the plan - they were new last season)
I'm also not a fan of landscape membrane as a weed suppressant on cultivated areas unless there are extenuating circumstances (per Busy Lizzie's case).
I prefer to prepare the soil in the whole area really, really well before planting & then use a thick (4") mulch of bark chippings around the currants and raspberries (my strawbs are in a separate bed). This does a good job of suppressing weed germination, makes the paths drier to walk on when harvesting, gradually breaks down to provide some slightly acid humus to the soil and also looks quite nice. It is easily scraped to one side when you need to dig out those runners or if you want to add extra compost / feed to the base of your plants.
I wouldn't use bark around the strawberries, however, as it could shelter slugs which will eat the fruit. I don't like straw either after I had one batch which contained loads of seeds & I grew a barley (whatever) field in my strawberry patch. Temporary cardboard collars sounds a good way to go.
Netting strawbs doesn't stop the voles who tunnel up from below to pinch the fruit - no solution (except my cat) found to this problem (yet)....