Species at the Edge

I've been thinking about species I've found in the Bogus Run Corridor project area that are at or near the edge of their range. Are there any patterns?

Here's a hypothesis -- and I'm just putting it here to memorialize it. I'm not sure if there's anything to it at all.

Species that are at the south edge of their range (i.e. are mostly more northerly, esp. more north and east) are found here in hyrdric habitats. Species at the north edge of their range (i.e. are mostly more southerly, esp. more south and west) are found here in xeric habitats.

Now, at some point I would need to pick out, say, twenty or so species that are at the edge of their range - at least as mapped in iNat, and then see if this holds up.

Posted by martinlucas martinlucas, January 24, 2022 04:35 PM


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