By Tobias Carroll It’s become an all-too-familiar story by this point: an idyllic town gradually becomes a popular destination — whether for vacation or relocation — for a small group of people. Eventually, more people learn of its appeal and the influx of new residents grows. And eventually, a certain threshold is reached, and the place is forever changed — and a lot of the sources of its appeal are gone forever. It’s happened everywhere from Bali to Venice, and there’s some alarming news for those fond of scenic trips through the desert and distinctive plant life. A new article at the Los An…