Feral Burros and Other Influences on Desert Tortoise Presence in the Western Sonoran Desert Author Berry, Kristin H. Author Yee, Julie L. Author Lyren, Lisa M. text Herpetologica 2020 2020-12-10 76 4 403 413 https://bioone.org/journals/herpetologica/volume-76/issue-4/Herpetologica-D-20-00023.1/Feral-Burros-and-Other-Influences-on-Desert-Tortoise-Presence-in/10.1655/Herpetologica-D-20-00023.1.full journal article 10.1655/Herpetologica-D-20-00023.1 1938-5099 7712457

TABLE 1.—Vegetation associations in order of increasing elevation on plots in the Chemehuevi study area in the Chemehuevi Valley, western Sonoran Desert, California, USA. Numbers (no.) of species consist of perennial species (trees, shrubs, herbs, grasses, and cacti). For additional details, see Supplemental Data S1 in the Supplemental Materials available online.

Vegetation association name	Total plots	No. of species	No. and % of common species	Elevation range (m)	Elevation mean (m) ± SE
White Bursage (Ambrosia dumosa)	36	29	2 (7)	171–298	223.75 ± 11.50
Rhatany (Krameria erecta, Krameria bicolor)	99	35	6 (17)	176–512	325.48 ± 6.93
Brittlebush (Encelia farinose)	65	40	9 (23)	188–541	355.34 ± 8.56