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  1. Using Deuterium Oxide as a Non-Invasive, Non-Lethal Tool for Assessing Body Composition and Water Consumption in Mammals

    Body condition scoring systems and body condition indices are common techniques used for assessing the health status or fitness of a species. Body condition scoring systems are evaluator dependent and have the potential to be highly subjective. Body condition indices can be confounded by foraging, the effects of body weight, as well as statistical and inferential...

    Author(s):
    Sarah E. Hooper; Amanda N. Eshelman; Ashley N. Cowan; Alicia Roistacher; Tyler S. Paneitz; Sybill K. Amelon
    Year:
    2020
    Keywords:
    Environmental Sciences, Issue 156, animals, bat, body composition, chiroptera, cat, carnivore, deuterium oxide, endangered species, health status, insectivore, lean muscle mass, minimally invasive
    Source:
    Journal of Visualized Experiments

  2. Effects of dietary selenium and moisture on the physical activity and thyroid axis of cats

    Consumption of canned cat food is considered a risk factor for the development of feline hyperthyroidism. Because selenium and water are substantially higher in canned diets compared to dry diets, objectives of this study were to determine whether increased dietary selenium or water alters the function of the hypothalamic–pituitary– thyroid axis and leads to an...

    Author(s):
    S. E. Hooper; R. Backus; S. Amelon
    Year:
    2018
    Keywords:
    feline, hyperthyroidism, nutritional aetiology, thyroxine (T4), triiodothyronine (T3)
    Source:
    Journal of Animal Physiology and Animal Nutrition

  3. Improving city forests through assessment, modelling and monitoring

    Urban and peri-urban forests produce numerous benefits for society. These include moderating the climate; reducing energy use in buildings; sequestering atmospheric carbon dioxide; improving air and water quality; mitigating rainfall run-off and flooding; providing an aesthetic environment and recreational opportunities; enhancing human health and social well-being;...

    Author(s):
    D.J. Nowak
    Year:
    2018
    Keywords:
    Source:
    Unasylva. 69(1): 30-36.

  4. Evaluating benefits and costs of changes in water quality.

    Water quality affects a variety of uses, such as municipal water consumption and recreation. Changes in water quality can influence the benefits water users receive. The problem is how to define water quality for specific uses. It is not possible to come up with one formal definition of water quality that fits all water uses. There are many parameters that influence...

    Author(s):
    Jessica Koteen; Susan J. Alexander; John B. Loomis
    Year:
    2002
    Keywords:
    Dissolved oxygen, instream flow, nonmarket values, recreation, salinity, water clarity, meta-analysis
    Source:
    Gen. Tech. Rep. PNW-GTR-548. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 32 p

  5. Growth, gas exchange, foliar nitrogen content, and water use of subirrigated and overhead irrigated Populus tremuloides Michx. seedlings

    Because limitations on water used by container nurseries has become commonplace, nursery growers will have to improve irrigation management. Subirrigation systems may provide an alternative to overhead irrigation systems by mitigating groundwater pollution and excessive water consumption. Seedling growth, gas exchange, leaf nitrogen (N) content, and water use were...

    Author(s):
    Anthony S. Davis; Matthew M. Aghai; Jeremiah R. Pinto; Kent G. Apostal
    Year:
    2011
    Keywords:
    irrigation management, photosynthesis, stomatal conductance, electrical conductivity, seedling quality, trembling aspen, water conservation
    Source:
    HortScience. 46(9): 1249-1253.

  6. Transpirational water loss in invaded and restored semiarid riparian forests

    The invasive tree, Tamarix sp., was introduced to the United States in the 1800s to stabilize stream banks. The riparian ecosystem adjacent to the middle Rio Grande River in central NewMexico consists of mature cottonwood (Populus fremontii ) gallery forests with a dense Tamarix understory. We hypothesized that Populus would compensate for reduced competition by...

    Author(s):
    Georgianne W. Moore; M. Keith Owens
    Year:
    2011
    Keywords:
    invasive species, Populus fremontii, riparian management, Tamarix, water resources
    Source:
    Restoration Ecology. doi: 10.1111/j.1526-100X.2011.00774.x.

  7. Ecology and management of oak woodlands and savannas in the southwestern Borderlands Region

    Management of the Madrean oak woodlands and the less dense and ecologically different oak savannas must be based on sound ecological information. However, relatively little is known about the Madrean oak ecosystems in spite of the fact that they cover about 80,000 km2 in the southwestern United States and northern Mexico. Emory oak (Quercus emoryi), the dominant tree...

    Author(s):
    Gerald J. Gottfried; Peter F. Ffolliott
    Year:
    2013
    Keywords:
    Madrean Archipelago, Sky Islands, southwestern United States, northern Mexico, natural environment, fauna, flora, research, management, biodiversity, climate change
    Source:
    In: Gottfried, Gerald J.; Ffolliott, Peter F.; Gebow, Brooke S.; Eskew, Lane G.; Collins, Loa C. Merging science and management in a rapidly changing world: Biodiversity and management of the Madrean Archipelago III and 7th Conference on Research and Resource Management in the Southwestern Deserts; 2012 May 1-5; Tucson, AZ. Proceedings. RMRS-P-67. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 337-340.

  8. Unintended consequences: Tamarisk control and increasing threats to the southwestern willow flycatcher [Chapter 5]

    It is well known that nonnative tamarisk (Tamarix parviflora, T. ramosissima, T. chinensis, and their hybrids; a.k.a. saltcedar) has replaced native riparian woodland vegetation along many streams in the arid Southwest over the last 100 years. Tamarisk can form extensive, dense monocultures and may alter not only the physical structure of the riparian woodland but also...

    Author(s):
    Mary Anne McLeod
    Year:
    2018
    Keywords:
    riparian, ecosystem, ecology, riparian processes, restoration, aquatic, arid, semi-arid, upland, freshwater, groundwater, hydrology
    Source:
    In: Johnson, R. Roy; Carothers, Steven W.; Finch, Deborah M.; Kingsley, Kenneth J.; Stanley, John T., tech. eds. 2018. Riparian research and management: Past, present, future: Volume 1. Gen. Tech. Rep. RMRS-GTR-377. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 62-84. doi: http://doi.org/10.2737/RMRS-GTR-377-CHAP5.

  9. Reducing water scarcity by improving water productivity in the United States

    Nearly one-sixth of U.S. river basins are unable to consistently meet societal water demands while also providing sufficient water for the environment. Water scarcity is expected to intensify and spread as populations increase, new water demands emerge, and climate changes. Improving water productivity by meeting realistic benchmarks for all water users could allow U.S...

    Author(s):
    Landon Marston; Gambhir Lamsal; Zachary Ancona; Peter Caldwell; Brian Richter; Benjamin Ruddell; Richard Rushforth; Kyle Davis
    Year:
    2020
    Keywords:
    water productivity, water footprint, EEIO, water scarcity, water use benchmarks
    Source:
    Environmental Research Letters

  10. Development of the science of riparian ecology in the semi-arid western United States [Chapter 1]

    The science of riparian ecology in the West developed over several decades, especially in the Southwest and California, as the importance of this ecosystem, its components, productivity, functions, and relationship to system hydrology became better understood. While it seems incredible today, it was only 50 years ago that streamside vegetation in the arid Southwest and...

    Author(s):
    Duncan T. Patten; Steven W. Carothers; R. Roy Johnson; Robert H. Hamre
    Year:
    2018
    Keywords:
    riparian, ecosystem, ecology, riparian processes, restoration, aquatic, arid, semi-arid, upland, freshwater, groundwater, hydrology
    Source:
    In: Johnson, R. Roy; Carothers, Steven W.; Finch, Deborah M.; Kingsley, Kenneth J.; Stanley, John T., tech. eds. 2018. Riparian research and management: Past, present, future: Volume 1. Gen. Tech. Rep. RMRS-GTR-377. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 1-24. doi: http://doi.org/10.2737/RMRS-GTR-377-CHAP1.

  11. Summer water use by mixed-age and young forest stands, Mattole River, northern California, U.S.A

    Resource managers have noted a decline in summer flow levels in the last decade in the Mattole River watershed, Humboldt County, California. Reduced river flows pose a threat to endangered coho and chinook salmon in the watershed, as stream heating is inversely proportional to discharge. While the cause of the reduced flow is unclear, several factors have been cited:...

    Author(s):
    Andrew Stubblefield; Max Kaufman; Greg Blomstrom; John Rogers
    Year:
    2012
    Keywords:
    sapflow, transpiration, Pseudotsuga menziesii, forest management, water balance, coastal California, Forest Vegetation Simulator
    Source:
    In: Standiford, Richard B.; Weller, Theodore J.; Piirto, Douglas D.; Stuart, John D., tech. coords. Proceedings of coast redwood forests in a changing California: A symposium for scientists and managers. Gen. Tech. Rep. PSW-GTR-238. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. pp.183-193

  12. Impacts of land use change and climate variations on annual inflow into the Miyun Reservoir, Beijing, China

    The Miyun Reservoir, the only surface water source for Beijing city, has experienced water supply decline in recent decades. Previous studies suggest that both land use change and climate contribute to the changes of water supply in this critical watershed. However, the specific causes of the decline in the Miyun Reservoir are debatable under a non-stationary climate...

    Author(s):
    Jiangkun Zheng; Ge Sun; Wenhong Li; Xinxiao Yu; Chi Zhang; Yuanbo Gong; Lihua Tu
    Year:
    2016
    Keywords:
    Source:
    Hydrology and Earth System Sciences

  13. Exurbanization and its impact on water resources: stream management amoung newcomer and generational landowners in Southern Appalachia

    Referred to as exurbanization, amenity migration, counter-urbanization, rural sprawl, or neo-rural migration, the influx of urban migrants into rural communities has been increasingly studied over the last 50 years, both domestically and internationally. Exurbanization, a term Spectorsky coined in 1955, represents a “rural restructuring” as rural communities,...

    Author(s):
    Sakura R. Evans; Danielle Jensen-Ryan
    Year:
    2017
    Keywords:
    Source:
    Appalachian Journal
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