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  1. Effects of Light Limitation on Plant-­Rhizobia and Plant-Mycorrhiza Interactions

    Plants respond with a sink stimulation of photosynthesis when colonized by bacterial and fungal mutualists, which compensates for costs of carbohydrate allocation to the microbes. Problems may arise when light...

  2. Getting Plant Conservation Right (or Not): The Case of the United States

    Effective plant conservation includes addressing basic needs such as information about species distribution and rarity; research, management, education, and training capacity to mitigate threats facing...

  3. An Examination of Commercial Medicinal Plant Harvests, Mount Hood National Forest, Oregon

    During the past fifteen years, non-timber or special forest products have become an important economic resource in the Pacific Northwest. These products are primarily derived from understory species and...

  4. Distance and Sex Determine Host Plant Choice by Herbivorous Beetles

    Background: Plants respond to herbivore damage with the release of volatile organic compounds (VOCs). This indirect defense can cause ecological costs when herbivores themselves use VOCs as cues to localize...

  5. Survey of Aquatic Plants in Corps of Engineers Reservoirs

    A survey of aquatic plants in a selected Corps of Engineers reservoirs in Oregon was conducted. Cottage Grove, Dorena, Fern Ridge, Dexter and Willow Creek Reservoirs contained abundant aquatic plants....

  6. Alaska Aquatic Plant Survey Report 2005

    Invasive, non-indigenous plants can degrade water quality and fish habitat when they invade lakes, ponds, and streams. Changes in plant community architecture in lakes due to invasion by canopy-forming invasive...

  7. Coastal Lakes Aquatic Plant Survey Report

    Invasive, non-indigenous plants can degrade water quality and fish habitat when they invade lakes, ponds, and streams. Changes in plant community architecture in lakes due to invasion by canopy-forming invasive...

  8. Symbiosis with Nitrogen-fixing Rhizobia Influences Plant Defense Strategy and Plant-predator Interactions

    As sessile organisms, plants evolved a plethora of defenses against their attackers. Given the role of plants as a primary food source for many organisms, plant defense has important implications for community...

  9. Introduction to Common Native and Potential Invasive Freshwater Plants in Alaska

    Freshwater aquatic plants are found in most lakes and rivers in Alaska. They range from tiny floating plants that can form mats on a lake surface to emergent plants growing two meters above the water. Aquatic...

  10. Genetic Markers in Plant Evolutionary Ecology

    Genetic markers have provided plant ecologists with a method of assessing levels of genetic relatedness among individuals and populations. In recent years a number of techniques based on DNA sequence variation...

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