Native-invasive seed-light competition trials

<b>Purpose</b>To explore the importance of interactions, light limitations, and density in annual plant species in the San Joaquin Desert.<br><b>Dates</b>Trials from October to December 2018 under controlled, high-light conditions in greenhouse at York University.<br><b>Meta-data</b>pot label label on the pot<br>census census number<br>calendar date DD/MM/YY<br>rep replicate<br>density planted number of seeds of native species (Plantago insularis, Phacelia tanacetifolia, and Salvia columbariae planted in the pot (additive study/with replacement)<br>light treatment factor Light as a factor at 2 levels: ambient light or shaded (to replicate shrub canopy) conditions brome treatment factor Exotic brome density as a factor at 2 levels: low Bromus madritensis (density of 5 per pot) and high Bromus madritensis (density of 10 per pot)<br>brome The number of germinated individuals of Bromus madritensis in the pot<br>morphometric metrics list mean values per pot per species<br>biomass for each species after drying for 48hrs at 67F<br>light measured between noon and 1pm using a Licor LI-250A light meter with a LI-190R quantum sensor in µmol of photons m-2 s-1.