Fundamental axes of life-history variation in tropical tree species

热带树种的形态特征与人口统计率相结合，而人口统计率又决定了森林的动态。我建议连接两个数据集-在巴罗科罗拉多岛（BCI），巴拿马>250个树种的人口统计率和形态特征-以确定热带树种之间的生活史变化的基本轴。根据以前的分析光和大小依赖的招聘，增长和死亡率，我的目标是进行联合分析，以确定几个独立的尺寸，捕捉必要的人口变化之间的树种。一个层次贝叶斯方法允许包括稀有物种的信息在分析中正确加权其丰度。为了将意义与人口统计学维度联系起来，我的目标是进行相关和回归分析，以建立16个形态特征与人口统计学轴之间的关系。这种分析将产生一个新的预测模型的人口统计率的树种在BCI的基础上，易于测量的性状。最后，我的目标是进行聚类分析的基础上，人口统计轴组相似的物种。衍生的物种组有潜力用于BCI树的许多其他生活史研究，并可以为参数化的个人为基础的森林模型，可用于预测共存和森林动态。

Morphological traits of tropical tree species integrate to demographic rates which, in turn, determine forest dynamics. I propose to link two data sets – on demographic rates and morphological traits of >250 tree species at Barro Colorado Island (BCI), Panama – to identify fundamental axes of life-history variation among tropical tree species. Based on previous analyses of light and size dependence of recruitment, growth and mortality rates, I aim to perform a joint analysis to determine few independent dimensions that capture essential demographic variation among the tree species. A hierarchical Bayesian approach allows including information on rare species in the analysis by correctly weighting by their abundance. To associate meaning to the demographic dimensions, I aim to perform correlation and regression analyses to establish relationships between 16 morphological traits and the demographic axes. This analysis will yield a novel predictive model for demographic rates of the tree species at BCI on the basis of easily measurable traits. Finally, I aim to perform a cluster analysis based on the demographic axes to group demographically similar species. The derived species groups have the potential for use in many other life-history studies of BCI trees and can serve for the parameterization of an individual-based forest model which could be used to make predictions about coexistence and forest dynamics.