Dinoflagellates in the Australian Region.

Dinoflagellates in the Australian Region.
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澳大利亚地区的甲藻。

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发表时间:
1954
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通讯作者:
E. Wood
E. Wood
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作者:
E. Wood

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本文对澳大利亚沃茨的甲藻进行了分类,并讨论了种的概念。有人建议,林奈的物种概念不能严格适用于一个群体,作为一个整体,没有已知的性过程,其中绝大多数形式还没有培养。研究了澳大利亚沃茨甲藻的季节变化和波动。据发现,像往常一样,最大数量的物种出现在温暖的沃茨。甲藻被认为是水团的极好指示物,在一个例子中,即塔斯马尼亚岛以西,亚热带甲藻导致了一个亚热带海流从Leeuwin角向东流到King I的假设。最近在塔斯马尼亚西海岸发现的暖水海龟证实了这一点。甲藻在生产力方面不如硅藻或热带蓝绿藻重要,除非在极少数情况下,但确实是某些群体的食物,例如,Salps,tintinnids等。没有单一的因素或一组因素可以用来解释甲藻极大。有证据表明,在Goniaulas digitale和G.链状体。
In this paper, the taxonomy of the dinoflagellates found in Australian waters is given, and the species concept as applied to the group is discussed. It is suggested that the Linnaean species concept cannot be strictly applied to a group which has, as a whole, no known sexual process and of which the vast majority of forms has not been cultivated. The seasonal variation and fluctuations of dinoflagellates in Australian waters are considered. It is found that, as usual, the greatest number of species occurs in warmer waters. Dinoflagellates are regarded as excellent indicators of water masses, and in one example, i.e. west of Tasmania, subtropical dinoflagellates led to the postulation of a subtropical current flowing east from Cape Leeuwin to King I. This has recently been confirmed by the finding of warm-water turtles on the west coast of Tasmania. Dinoflagellates are not as important as diatoms or tropical blue-green algae in productivity, except on rare occasions, but do serve as food for certain groups, e.g. salps, tintinnids, etc. Some are halophytic, some holozoic, and some facultative. No single factor or set of factors can be adduced to explain dinoflagellate maxima. There is some evidence of a rhythm, which may be tidal, in Goniaulas digitale and also in G. catenella.