Lake Mead National Recreation Area Vegetation Monitoring and Analysis: Quarterly Progress Report, July 1, 2009 to September 30, 2009

Executive Summary Weed Sentry staff surveyed over 55 miles and 311 acres (most of which was conducted by foot) this quarter. Planning for future Brassica tournefortii research projects has been implemented through collaboration between PLI and NPS staff. Preliminary results from ongoing Brassica tournefortii projects indicate little effect of disturbance on abundance of the species, but, as expected, the species benefitted with increased water availability Rare plant data monitoring and data entry for this season is complete. Pre-planning activities for the upcoming Northshore Road restoration plantings and evaluation were initiated. Gypsum restoration research is ongoing, data are being analyzed and compiled