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首页> 外文期刊>Estuarine Coastal and Shelf Science >A multivariate study of mangrove morphology (Rhizophora mangle) using both above and below-water plant architecture
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A multivariate study of mangrove morphology (Rhizophora mangle) using both above and below-water plant architecture

机译：利用水上和水下植物结构对红树林形态（Rhizophora mangle）进行多变量研究

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摘要

A descriptive study of the architecture of the red mangrove, Rhizophora mangle L., habitat of Tampa Bay, FL, was conducted to assess if plant architecture could be used to discriminate overwash from fringing forest type. Seven above-water (e.g., tree height, diameter at breast height, and leaf area) and 10 below-water (e.g., root density, root complexity, and maximum root order) architectural features were measured in eight mangrove stands. A multivariate technique (discriminant analysis) was used to test the ability of different models comprising above-water, below-water, or whole tree architecture to classify forest type. Root architectural features appear to be better than classical forestry measurements at discriminating between fringing and overwash forests but, regardless of the features loaded into the model, misclassification rates were high as forest type was only correctly classified in 66% of the cases. Based upon habitat architecture, the results of this study do not support a sharp distinction between overwash and fringing red mangrove forests in Tampa Bay but rather indicate that the two are architecturally undistinguishable. Therefore, within this northern portion of the geographic range of red mangroves, a more appropriate classification system based upon architecture may be one in which overwash and fringing forest types are combined into a single, "tide dominated" category.
机译：对佛罗里达州坦帕湾生境的红树红树菌Rhizophora mangle L.的建筑进行了描述性研究，以评估植物建筑是否可用于区分边缘森林类型的过度冲洗。在8个红树林林中测量了7个水上（例如树高，胸高和叶面积的直径）和10个水下（例如根系密度，根系复杂度和最大根序）。多变量技术（判别分析）用于测试包括水上，水下或整树结构在内的不同模型对森林类型进行分类的能力。根系建筑特征似乎在区分边缘森林和过水森林方面比古典林业测量更好，但是，不管模型中加载了哪些特征，误分类率很高，因为仅在66％的情况下才正确分类了森林类型。基于栖息地的体系结构，这项研究的结果并不支持坦帕湾的过度冲洗和边缘红树林之间的明显区别，而是表明两者在结构上没有区别。因此，在红树林的地理范围的北部，基于体系结构的更合适的分类系统可能是将过度冲洗和边缘森林类型组合为一个单一的“潮汐主导”类别的系统。

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