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Landels-Hill UC Big Creek Reserve, southern Big Sur coastline, Monterey Co., CA, March 28, 2022

The Landels-Hill Big Creek UC Reserve is a dynamic place. On this day, last week, I was interested to observe the devastating impact and recovery underway of a very hot fire that swept through most of the reserve in August 2020, about 20 months ago, affecting most of the trees and vegetation but fortunately sparing the lower Big Creek canyon and its buildings, as well as Whale Point thanks to prudent fire breaks and implemented emergency sprinklers. Hiking up Highland Trail, it was a stark view of the removal of most trees in higher biomes, but now about 20 months later with abundant growth of the plants normally found in the open, but also with many trees sprouting every which way from their charred bases. A major rain event in January 2021, about 14+ months back, caused major changes to the creek with dramatic erosion of hillsides, and huge logs swept toward the ocean, taking out most of the trees near Big Creek's mouth, previously spared in the fire, and creating the first sandy beach at the ocean junction in recent memory. My overall impression was that the cycle of forest succession has begun again but full recovery would depend on the previously normal climate of heavy fog along with winter rain, but the Central Coast has instead experienced an extremely dry first part of 2022 following some December storms. Still, I was very happy to experience lush growth of the low vegetation and some signs of the return of animals, hopeful for the future.
Return to Fieldtrip Map or go to Part 1 - 2 - 3

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This was first identified as Elgaria coerulea coerulea (Wiegmann, 1828) or subspecies of the northern alligator lizard also known as the San Francisco alligator lizard, but eye color and reported occurrences at inaturalist.org suggest it is instead an unusually colored and quite stout Elgaria multicarinata (southern alligator lizard), which is found throughout the state. According to Source 2, southerns have a light or yellow color of the eye surrounding the black pupil, and it is typical for members of this family, Anguidae, to lose their tail readily to escape predation. - Source 1 - northern - - Source 2 - southern.. However, note that the northern species was studied in a recent phylogeographic study by Lavin et al. (Zoologica Scripta. 2018;47:462-476), this species was divided into 10 subclades. It is interesting that this record from Big Creek is further south than the maximum extent of the range of their coastal South Coast Range subclade (see their Figure 2), and this agrees with iNaturalist reports.
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Go to Part 1 - 2 - 3

Return to Biology 317 Fieldtrip Map or Bio 317 Field Marine Biology Home Page

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