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  • 2005-2009  (1)
  • 1980-1984  (3)
  • 1950-1954  (2)
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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Munksgaard International Publishers
    Ecology of freshwater fish 14 (2005), S. 0 
    ISSN: 1600-0633
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract – Although homing behaviour has been observed in juvenile Atlantic salmon, brown trout and resident cutthroat trout, this behaviour has not been well studied in juvenile Pacific salmon. We examined the site fidelity and homing behaviour of juvenile coho salmon (Oncorhynchus kisutch) by marking and relocating them within an off-channel habitat. Over 80% of displaced fish returned to the area from which they were originally collected. The proportion of fish that returned to the original location did not vary significantly among three sampling dates. However, we found that this proportion decreased over time in a brackish lagoon when we statistically analysed the data reported by Day (1966). Our results suggest that juvenile coho salmon exhibit strong site fidelity and are able to return to their home ranges after displacement. These behaviours are likely to be important for the winter survival of juvenile coho salmon.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Radiation and environmental biophysics 19 (1981), S. 296-296 
    ISSN: 1432-2099
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Radiation and environmental biophysics 19 (1981), S. 305-305 
    ISSN: 1432-2099
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 138 (1953), S. 81-90 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Zusammenfassung Durch Fällung mit Kaliumhexacyanoferrat(II) oder Kaliumhexacyanokobaltat(III) ist es möglich, den störenden Einfluß 2wertiger Metall-Ionen auf die alkalimetrische Titration der ersten Stufe der Phosphorsäure auszuschalten. Die Bedeutung der Neutralität der Fällungslösungen wird diskutiert. Nach Aufzeigen verschiedener Störungen und Fehlerquellen werden genaue Arbeitsanweisungen gegeben. Für die Beseitigung der durch 3 wertige Kationen verursachten Störungen wurde ein allgemein gangbarer Weg nicht gefunden. Komplexbildung führte nur in Spezialfällen, Ionenaustausch in keinem Fall zum Erfolg.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1615-6102
    Keywords: Cryptonemia ; Pit connection ; Red algae ; Transfer cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The thick and anatomically complex stalks of a Western Australian species ofCryptonemia (Cryptonemiales, Rhodophyta) are characterized by growth rings in cross-section. Cells of the medulla may die as the diameter of the stalks increases to maximum widths of over 2 centimeters, the remaining cell walls appearing to function as purely supportive tissue (a phenomenon hitherto unreported in the red algae). All cells of the stalk are enclosed by thick, compact cell walls and are interconnected by pit connections which become progressively more convoluted and fluted with increasing distance of the cells from the stalk surface. This is the first report of such a pit-connection morphology. It is suggested that the modification may serve to aid transport of solutes towards the more deeply-buried layers of living cells.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Fresenius' Zeitschrift für analytische Chemie 135 (1952), S. 321-332 
    ISSN: 1618-2650
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Zusammenfassung Zusammenfassend ist zu sagen, daß die alkalimetrische Titration der Orthophosphorsäure infolge ihrer Unmittelbarkeit — sofern anwendbar — vor allen anderen Analysenverfahren den Vorzug verdient. Die erreichbare Genauigkeit liegt bei Berücksichtigung und möglichstem Ausschluß der Kohlensäure und beim Arbeiten unter günstigsten Konzentrationsverhältnissen bei Anwendung elektrischer Indication bei ±0,3%. Auf die Möglichkeit der Verwendung von Farbindicatoren bei geeigneter Arbeitsweise wird hingewiesen.
    Type of Medium: Electronic Resource
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