Vegetation

Vegetation

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  1. Nesting Microhabitat Use by a Ground-nesting Songbird: Strict Preferences or Random Choice?

    Nest site choice of birds has the potential to affect predation rates on nests and reproductive success for many bird species, and is thus tied closely to fitness. Vegetation at a particular site influences...

  2. Fire-Vegetation Feedbacks and Alternative States: Common Mechanisms of Temperate Forest Vulnerability to Fire in Southern...

    In the context of global warming and increasing impacts of invasive plants and animals, we examine how positive fire–vegetation feedbacks are increasing the vulnerability of pyrophobic temperate forests to...

  3. Modeling Vegetation Mosaics in Sub-Alpine Tasmania Under Various Fire Regimes

    Western Tasmania, Australia contains some of the highest levels of biological endemism of any temperate region in the world, including vegetation types that are conservation priorities: fire-sensitive...

  4. Riparian Vegetation Assemblages and Associated Landscape Factors Across an Urbanizing Metropolitan Area

    While diverse, native riparian vegetation provides important functions, it remains unclear to what extent these assemblages can persist in urban areas, and under what conditions. We characterized forested...

  5. 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...

  6. 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...

  7. 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...

  8. 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...

  9. 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...

  10. 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...

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