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  • 1
    Electronic Resource
    Electronic Resource
    A Reference Value for the Interior-to-Edge Ratio of Isolated Habitats (1999)
    Springer
    Acta biotheoretica 47 (1999), S. 67-77 
    Details
    ISSN: 1572-8358
    Keywords: Habitat fragmentation ; Landscape ecology ; Mathematical morphology
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Isolated habitats, the consequence of the fragmentation process, are the object of external disturbance. This divides the patch area into two zones: interior and edge. The interior-to-edge ratio quantifies the potential disturbance impact. A method is presented to calculate a reference value for the interior-to-edge ratio, based upon the minimum edge for a given interior. The method is based on pixel geometry features and mathematical morphology. A corrected interior-to-edge ratio is defined using the reference value. The method is illustrated for woodlot fragments in the Belgian Kempen region.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1002078211367
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    MR angiography in the diagnosis of extralobar pulmonary sequestration: a case report (1994)
    Springer
    European radiology 4 (1994), S. 85-87 
    Details
    ISSN: 1432-1084
    Keywords: Lung, abnormalities ; Lung, MR
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of extralobar pulmonary sequestration in which magnetic resonance (MR) angiography was performed. Two-dimensional time-of-flight (TOF) MR angiography with three-dimensional (3D) rendering techniques allowed very accurate anatomical depiction of venous structures. 3D TOF MR angiography was also performed but provided disappointing results. The MR angiographic techniques are described and compared with contrast-enhanced CT and MR imaging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00177396
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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