Each of these provides links explaining the Southwest Section and providing you with a way to officially join, if you are not already a member.

Need reasons to join the Southwest Section?
Here are a few things that your section dues would help to support:
A new graduate student scholarship for students in the Section
A contribution to The Wildlife Society’s Annual Conference
Travel by a professional to either TWS’ Annual Conference or to a chapter meeting in a different state
Development of workshop topics for chapter meetings
Comments by the Section Conservation Affairs Committee on issues relevant to the Section

What are these levels of The Wildlife Society?
Southwest Section Membership Form