Probably been brought up before but I couldnt find a suitable answer in my quick searches of the forums...
I have a nice little spot by the sea, a beach with plenty of fish , loads of wood and no aquifer , hell it even has flux stone and ore ... great stuff...
... then the minions of hell descended on my barely started fort, not the kind you get when you explore too much or the kind you get when you embark in a bad area... noooo these are worse.
I was under siege by all manner of horrors... like the dreaded Wax Makers, the horrorific Milkers , even Wood Burners and Pump Operators... yes my friends, a army of migrants of oh so not usefull fools flooded into my fort... I only had something like 6 beds and I get a wave of 39 loitering useless good for nothing elf hugging vampire hiding fake bearded .... halflings, gah... bet the last fort got abandoned and they all pile into mine.
... I tried to get them sorted out, and seemed to go well enough... then the babies came, those useless lot were pumping out babies faster than the cats could make kittens, then a big FU came... another wave, 36 in this one with 12 kids. I was so busy pumping out beds and doors and coffers and rubbish I didnt even have a wooden play sword to arm anyone...and I know the real fun is on its way, and my dwarfs get chased out of thier fort if a freaking boar wanders in.
So...is there a way to manage migrants (other than the live trap testing, or pit re-location, or bridge transportation methods...ie without slaughtering the newcomers), whats the triggers for the huge waves ? Too much carved out areas ? I tried pre-designating areas but not allowing the miners access to the zones until I need them to keep the bedrooms small, I havent got too many farms or industries on the go... I want to design a mighty fort...not make slums for layabouts and Milkers hehe.