Predicting Dynamics of Forested Landscapes from Individual- based Models of Tree Performance

9729245科比在植被生态学的许多研究都集中在森林群落的划定和描述，往往与土壤属性。然而，相对较少的研究解释了物种组成的变化，从更机械的角度来看，树种如何在性能上的变化，以响应资源的可用性，由不同的森林群落类型提供。此外，在物种相互作用和随后的影响，群落组成的网站变化仍然很少探索。本研究的目的是（1）描述北方阔叶林景观中不同生态土地类型中五种主要树种的幼龄林的资源依赖性生长，（2）评估在特定资源条件下，幼树生长的变化是否预测了主要冠层树种。这项研究的重点是树苗，因为它们在影响森林群落动态的重要性。所选树种（Quercus alba，Q. rubra、红槭A.甘蔗，松strobus）跨越了一系列的耐荫性和成熟的树木协会与土壤性质，因此，提供了必要的变化，以解决本研究的目标。最终，这种类型的信息可以提供一个更机械的物种栖息地的关系，可以提供更好的预测森林景观的响应人类干预的理解。

9729245 Kobe Numerous studies in vegetation ecology have focused on the delineation and description of forest communities, often in relation to soil attributed. However, relatively few studies have explained variation in species composition from the more mechanistic perspective of how tree species vary in performance in response to resource availability, as supplied by different forest community types. Furthermore, among-site variation in species interactions and subsequent influence on community composition remain little explored. The objectives of the research established with this Postdoctoral Fellowship Starter Grant are to (1) characterize the resource-dependent growth of juveniles of five dominant tree species in different ecological land types in a landscape of northern hardwoods forest, and (2) evaluate if variation in sapling growth predicts the dominant canopy tree species under specified resource conditions. The study's emphasis is on saplings because of their importance in influencing forest community dynamics. The chosen species (Quercus alba, Q. rubra, Acer rubrum, A. saccharum, Pinus strobus) span a range of shade tolerances and mature-tree associations with soil properties, and thus, provide the variation necessary to address the objectives of this research. Ultimately, this type of information can provide a more mechanistic understanding of species-habitat relationships which can provide better predictions of the response of forested landscapes to human intervention.