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Improving the effectiveness of rehabilitation techniques at multiple scales!

Project #1

Calibrating satellite imagery with on-the-ground plant & soil factors.

Research Objective

  • Create 3 conditions within a fenced 1-acre area adjacent to a natural spring
  • Measure soil colour, redox, carbon, CO2 fluxes, plant condition, soil cover
  • w88 online casinoCalibrate measured factors with satellite imagery

Relevance

  • The ability to remotely measure plant and soil conditions over large and often hard-to-access areas using satellite imagery will be an important tool in the fight against desertification globally.

Riparian Areas

Importance in arid and semi-arid ecosystems disproportionate to actual size.

  • Boost landscape diversity
  • Filter Water
  • Provide forage and water for livestock
  • Serve as suitable habitat for key wildlife taxa
  • Contain 3 times the amount of carbon (C) as surrounding uplands

Inappropriate Grazing

Livestock, horses, and burros congregate in riparian w88 casino games loginareas due to increased water and forage.

Improper grazing management:

  • Destabilizes soil
  • Reduces vegetation
  • Increases erosion
  • Limits nutrient stocks
  • Decreases C storage

Objectives

Wetlands affected by degradation.

Determine the area occupied by wetlands, within the research site, prior to settlement and estimate C losses associated with the reduction in size following degradation.

Degraded area.

Assess the restoration potential of degraded areas through three treatments: no-grazing, controlled grazing and uncontrolled grazing.

Controlled Grazing and Tree Removal

A field in 2016 before controlled grazing and tree removal.

2016

A field in 2017 after controlled grazing and tree removal.

2017

Monitoring Change

A graph by Browning, Snyder, and Herrick monitoring change in the Great Basin.
  • Monitoring phenology w88 casino gamesin the Great Basin is a unique challenge.
  • Understanding relationships between on-the-ground measurements and satellite imagery could allow for extrapolation across landscapes.
  • Repeat high-resolution photography (phenocams) has the potential to bridge the gap between satellite imagery and in-situ measurements.

Phenology Camera

A phenology camera capturing a phenological signature.
  • Utilize PhenoCam technology to determine the phenological signature of the meadow plant communities under the three grazing management treatments.
  • Correlate PhenoCam data with Landsat imagery. Utilize correlation to model the phenological w88 live casinosignature of non-instrumented Great Basin meadows.

Phenocam Methodology

Computation results for four separate images, by Phenopix.
Phenopix, R statistical package

Budget & Schedule

Years 1-5

  1. $100,000
  2. $60,000
  3. $60,000
  4. $60,000
  5. $60,000

Total: $340,000

To make a donation to the fund

Please contact Christina Sarman

christina@unr.edu
775-682-6009
Give by Credit Card
 

Who do I contact for more information?

Tamzen K. Stringham, Endowed Professor of Rangeland Science
Tamzen