Vegetation

Vegetation

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  1. Alpine vegetation of Steens Mountain

    A determination was made that the summit of Steens Mountain is an alpine tundra. The assessment was based on floristics, vegetation and community structure, environmental parameters, and geomorphological...

  2. Historical Vegetation of Central Southwest Oregon, Based on GLO Survey Notes : Final Report to USDI Bureau of Land...

    Historical vegetation at the time of European settlement is of great interest to both the public and land managers, but is poorly documented. One source of data are the earliest land survey records of the...

  3. Using Landsat TM Imagery to Monitor Vegetation Change Following Flow Restoration to the Lower Owens River, California

    Rehabilitating river corridors to restore valuable riparian habitat consumes significant resources from both governments and private companies. Given these considerable expenditures, it is important to monitor...

  4. Tree Cover Mapping for Assessing Greater Sage-Grouse Habitat in Eastern Oregon

    We used a predictive model to map canopy cover of vegetation over seven feet in height ("tall woody vegetation") at 30-meter resolution over nearly 29 million acres within and adjacent to the range of the...

  5. Small Unmanned Aerial Vehicles (Micro-UAVs, Drones) in Plant Ecology

    Premise of the study: Low-elevation surveys with small aerial drones (micro–unmanned aerial vehicles [UAVs]) may be used for a wide variety of applications in plant ecology, including mapping vegetation over...

  6. A Community-Based Participatory Research Approach to Developing the Harvest for Healthy Kids Curriculum

    Background: A diet rich in fruits and vegetables is associated with reduced risk of diet-related chronic diseases. However, fewer than half of children in the United States consume the recommended...

  7. Vegetable Oils as Quenchants for Steels: Residual Stresses and Dimensional Changes

    The development of non-toxic, biodegradable vegetable oils as alternatives to petroleum derived quenchants and their influence on residual stresses and dimensional changes of AISI 4140 and AISI H13 modified...

  8. Bioquenchants Formulated from Epoxidized Soybean Oil: Evaluation of Metal Quenching and Heat Transfer Performance

    Vegetable and animal oils as a class of fluids have been used for hundreds of years, if not longer, as quenchants for hardening steel. However, when petroleum oils became available in the late 1800s and early...

  9. Then and Now: Vegetative Change Detection on Mount St. Helens 2000-2015

    The 1980 eruption of Mount St. Helens (MSH) proved a dramatic event with many important socio-economic consequences. In addition, this eruption resulted in an array of ecological consequences with subsequent...

  10. Guide for Developing Integrated Aquatic Vegetation Management Plans in Oregon

    This manual focuses on controlling nuisance aquatic plants, occurring in Oregon lakes. To use this manual, it is necessary to distinguish between an aquatic plant problem, and a water quality enrichment problem...

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