Population Monitoring of the Endemic Salmon Twin Bladderpod

In Salmon Idaho, one endemic plant species is the Salmon twin bladderpod (Physaria didymocarpa). This unique plant is in the Brassicaceae family, and there are only 8 known populations of the species. Many of these populations have not been assessed since the early 2000s, as the office hasn’t had an official botanist since 2010. So it the job of me as a CLM intern to perform population monitoring and Seeds of Success collections for the field office. The first populations monitored have been the Salmon twin bladderpod because it is so identifiable. All of the populations are in small geographic areas, as the plant requires specific environmental conditions and minor disturbances. Some of the populations are in a very robust shape, containing many hundreds of individuals. However, unfortunately, two of the eight known populations contained zero observed individuals during the field assessment. One of those populations may have been taken out in a large rock slide on a steep mountain face. As genetic diversity is so important for conservation, it was disappointing to see that some of these populations no longer exist, as it greatly increases the chance of species extinction.

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It has been incredibly fun to do population monitoring and SOS collecting, but I am still only really now beginning the adventure. I love hiking up mountain faces, jumping over creek beds, finding caves, stumbling across antlers, and gazing out at the mountains and valleys that surround my “office.” The internship so far has been amazing because I love spending time outside and exploring new areas, and many of the places I am going to have seen very little human activity. I can’t wait to see what the next four months have in store for me!

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Signing off,

Austen, BLM, Salmon Field Office, Idaho

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