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The effect of water-level fluctuations on swamp forest colonization by seedlings of Tabebuia cassinoides DC. (Bignoniaceae)

机译:水位波动对Tapesbuia cassinoides DC幼苗在沼泽森林定居的影响。 (紫花菊科)

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摘要

Establishment of Tabebuia cassinoides seedlings is related to water-level fluctuations in southeastern Brazil swamp forests. Nine years of annual monitoring of 48 individuals established during a drought in November 1997, when the swamp was unflooded, suggested that their establishment depends on this unpredictable event. This conclusion is further sustained by the wide variability of the seedling cohort size structure, and the fascicular root conformation that holds the shoots erect.
机译:Tabebuia cassinoides幼苗的建立与巴西东南部沼泽森林的水位波动有关。对1997年11月干旱未淹没的旱灾期间建立的48个人进行了九年的年度监测,这表明他们的建立取决于这一不可预测的事件。幼苗队列大小结构的广泛变化以及保持枝条直立的束状根构象进一步支持了这一结论。

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