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  • Habitat restoration  (1)
  • Key words: Bone metabolic markers — Predictor — Osteoporosis — Epidemiology — Bone mineral density.  (1)
  • Springer  (2)
  • American Meteorological Society
  • Springer Nature
  • 1
    Electronic Resource
    Electronic Resource
    Biochemical Markers of Bone Turnover and Bone Loss at the Lumbar Spine and Femoral Neck: The Taiji Study (1999)
    Springer
    Calcified tissue international 65 (1999), S. 198-202 
    Details
    ISSN: 1432-0827
    Keywords: Key words: Bone metabolic markers — Predictor — Osteoporosis — Epidemiology — Bone mineral density.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine , Physics
    Notes: Abstract. The purpose of this study was to ascertain whether biochemical markers of bone turnover predict bone loss. The survey was carried out in Taiji, Wakayama Prefecture, Japan. From a list of inhabitants aged 40–79 years, 400 participants (50 men and 50 women in each of four age groups) were selected randomly. Bone mineral density (BMD) was measured, and blood and urine samples of all participants were examined to obtain values for eight biochemical markers: alkaline phosphatase (ALP), bone Gla protein (BGP), type I procollagen (carboxyterminal peptide of type I procollagen; PICP), cross-linked carboxyterminal telopeptide region of type I collagen (ICTP), and urinary excretion of calcium (Ca), phosphate (P), pyridinoline (Pyr), and deoxypyridinoline (D-Pyr). Each marker was evaluated as a predictor of the rate of bone change in lumbar spine and femoral neck BMD over a 3-year period. The value of Pyr was significantly related to the change of lumbar spine BMD in men (P= 0.009), and that of BGP was found to be significant in women (P= 0.045). By contrast, none of the bone markers significantly correlated with bone loss at the femoral neck. The coefficient of determination at the lumbar spine was 5% and 7% at the femoral neck only. We conclude that biochemical markers of bone turnover cannot predict bone loss rates in middle-aged or elderly Japanese men and women over a 3-year period with sufficient accuracy for use in clinical decision making.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002239900682
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  • 2
    Electronic Resource
    Electronic Resource
    Effects of channel incision on base flow stream habitats and fishes (1994)
    Springer
    Environmental management 18 (1994), S. 43-57 
    Details
    ISSN: 1432-1009
    Keywords: Streams ; Erosion ; Sediment ; Woody debris ; Channel degradation ; Habitat restoration ; Fish ; Diversity indices
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Channel incision is a widespread phenomenon that results in stream and riparian habitat degradation. Fishes and physical habitat variables were sampled at base flow from three incised stream channels and one reference stream in northwest Mississippi, USA, to quantify incision effects on fish habitat and provide a basis for habitat rehabilitation planning and design. Incised channels were sampled in spring and autumn; the reference channel was sampled only in the autumn. Incised channel habitat quality was inferior to the reference channel despite the presence of structures designed to restore channel stability. Incised channels had physical habitat diversity levels similar to a nonincised reference channel, but contained fewer types of habitat. At base flow, incised channels were dominated by shallow, sandy habitats, moderate to high mean local Froude numbers, and had relatively little organic debris in their beds. In contrast, the reference stream had greater mean water depth, contained more woody debris, and provided more deep pool habitat. Fish assemblages in incised channels were composed of smaller fishes representing fewer species relative to the reference site. Fish species richness was directly proportional to the mean local Froude number, an indicator of the availability of pool habitat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02393749
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