Webinar - Results from the SageSuccess Project - Day 2


The SageSuccess Project, a joint effort between the USGS, BLM, and USFWS, examines factors contributing to the establishment of big sagebrush. This second webinar addresses soils, climate and demography, and to plant or seed. It includes three 10-minute presentations by:

Dave Barnard: Gradients in Sagebrush Recovery after Fire are Associated with Soil and Biocrust characteristics - The influence of soil properties on the recovery of sagebrush canopy structure after fire is not well documented. In this study, we investigated associations between soil depth, texture, and surface characteristics and the recovery of sagebrush canopy structure. We show that a diversity of associations exists and that soil characteristics such as depth and structure can surpass precipitation in terms explaining post-fire sagebrush responses.

Bob Shriver: Population Trajectories of Sagebrush after Restoration: Connecting Pattern and Process - It is often assumed that in the absence of drought, invasive species, or other environmental changes that populations should begin to recover shortly after restoration, but we have very little actual data on population trajectories. Using monitoring data and modeling we examine the population dynamics of sagebrush after restoration. We find that even in the absence of environmental change, sagebrush populations are expected to decline for decades following seeding, not beginning to grow and increase in cover for nearly 20 years on average. We show that a large part of this prolonged recovery can be linked to the life history and slow stand development of sagebrush populations.

Dave Pyke: Plant or Seed? - A Good Question Sagebrush restoration typically takes two forms: seeding or transplanting. Transplants can by pass some of roadblocks to establishment that seedings must face. However, growth can sometimes be a challenge with transplanted species growing poorer than seeded species. We examine canopy and height growth of seeded and transplanted sagebrush across the Great Basin.

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Feb 21, 2019 11:30 am to 12:30 pm



Webinars, Seminars and Presentations