Fig. 16. Habitats N of Steins, near the central transect (tables 2, 3; figs. 3, 5; appendix 1), 23 August 1990. Top. Looking S behind the allelemobile at abrupt ecotone between grassland and creosote desertscrub, 0.8 km N of site 16. Bottom. Looking W across grassland, with creosote ecotone on left (in near background), from the same place as the top photograph.