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  • 2000-2004
  • 1990-1994  (2)
  • 1980-1984
  • 1955-1959
  • 1925-1929
  • 1992  (2)
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  • 2000-2004
  • 1990-1994  (2)
  • 1980-1984
  • 1955-1959
  • 1925-1929
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Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Philopatry and nesting phenology of pine snakes Pituophis melanoleucus in the New Jersey Pine Barrens (1992)
    Springer
    Behavioral ecology and sociobiology 30 (1992), S. 331-336 
    Details
    ISSN: 1432-0762
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary We studied nesting behavior of pine snakes Pituophis melanoleucus from 1977 to 1989. Female pine snakes in the New Jersey Pine Barrens excavate tunnels and a nest chamber for egg deposition. Over 70% of all nests had old, hatched shells remaining in the nests from previous years. The presence of hatched shells and the incidence of recaptured females in the same nest indicates nest site tenacity for some females. From 1977 to 1988 we branded 98 females and 45 were recaptured in the same general nesting area. All 45 recaptured females were recaptured one to four times at the same nest site; two of these snakes were captured in three years at the same site and in one year at a different site. We conclude that females show a high degree of nest site philopatry. We suggest that high nest site philopatry is selected for because it promotes location of sites that are safe from predators (buried, hatched shells) and contain suitable temperature conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00170599
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    The determination of the central static visual acuity (1992)
    Springer
    Documenta ophthalmologica 82 (1992), S. 9-14 
    Details
    ISSN: 1573-2622
    Keywords: Pro Oculis ; TNO Landolt C optotype ; Wall-charts
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract In identical experimental situations we tested 22 adults with our proposed Landolt C wall-chart and the so-called TNO Landolt-C chart. Contrary to theoretical expectations, it appeared that there was only a slight difference in the measured visual acuities. Further study will show whether this is an incidental or a structural occurrence.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00156987
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
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