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von Cairns,, John in Transactions of the American Microscopical Society Vol. 89, No. 1 (1970), p. 100-109
... substrates over a six-week period was determined, and comparisons were made between the number of species in...
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    von Cairns,, John in Transactions of the Kansas Academy of Science Vol. 73, No. 1 (1970), p. 1-10
    ... Cu<sup>++</sup>. The number of species and approximate density of protozoans in each trough were determined...
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      von Cairns,, John in Transactions of the American Microscopical Society Vol. 90, No. 1 (1971), p. 71-80
      ... almost always resulted in an increase in the number of species present when previously harvested...
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        von Cairns,, John in The American naturalist : a bi-monthly journal devoted to the advancement and correlation of the biological sciences Vol. 103, No. 933 (1969), p. 439-454
        ..., the colonization process itself was remarkably similar for the entire series. When the number of...
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          von Cairns,, John in Chesapeake science Vol. 10, No. 3/4 (1969), p. 177-185
          ... lake water. Severe acute shocks (some to nearly 50 C) resulted in a marked reduction in number of...
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            von Cairns,, John in Transactions of the American Microscopical Society Vol. 93, No. 2 (1974), p. 206-210
            ... these studies was to determine if the number of species colonizing artificial substrates is related to...
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