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 2.—Summary of the more prevalent anthropogenic features occurring on the 200 1-ha plots in the Chemehuevi study area, western Sonoran Desert, California, USA. Variables are listed in descending order of occurrence on plots. The area for burro scat only includes the area covered by the scat, not hoof prints. | No. and | | Area of |
|---|
| Feature type | (%) of plots | No. of items | disturbance (m2) |
|---|
| Burro scat | 168 (84.0) | — | 37.0 |
|---|
| Recent vehicle trails, tracks | 68 (34.0) | — | 20,599.6 |
|---|
| Trash | 56 (28.0) | 239 | — |
|---|
| Burro trails, wallows | 53 (26.5) | — | 1226.5 |
|---|
| Old vehicle tracks | 48 (24.0) | — | 7401.0 |
|---|
| Balloons | 33 (16.5) | 51 | — |
|---|
| Firearms | 19 (9.5) | 721 | — |
|---|
| Survey markers | 9 (4.5) | 10 | |
|---|
| Mining | 8 (4.0) | — | 2113.3 |
|---|
| Utility corridor | 3 (1.5) | — | 1240.0 |
|---|