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By incorporating demographic analyses of fitness components (e.g., survival and reproduction) within a reciprocal sowing design, we tested for 3 consecutive years whether local adaptation has occurred in the alien grass Bromus tectorum (cheatgrass) within 7 habitats along an environmental gradient from arid steppe to subalpine forest in the Intermontain Region of western North America. Patterns of emergence and survival were strongly influenced by the local environment. In terms of survival, expression of significant local adaptation in Tsuga heterophylla habitat varied among years. In contrast, relative differences in flowering time among seed sources were stable across sites and years. Populations from the arid...
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This dataset includes location, field measurements, and descriptions of 330 Uma inornata sampled for the research study entitled “Sampling Across 20 Years (1996–2017) Reveals Loss of Diversity and Genetic Connectivity in the Coachella Valley Fringe-Toed Lizard (Uma inornata)”. Field sampling occurred between March and September of 2017 and between April and June of 2018. Lizards were located by visually searching dune habitat in all major populations. Sites included Windy Point, Willow Hole, Train Station, Whitewater, and the South Coachella Valley Preserve. In addition, satellite populations in the Indio Hills and individuals salvaged from Section 24 and translocated to Stebbin’s Dune were also sampled. Lizards...
    map background search result map search result map Coachella Valley Fringe-Toed Lizard (Uma inornata) Capture Data (2017 and 2018) Coachella Valley Fringe-Toed Lizard (Uma inornata) Capture Data (2017 and 2018)