Collaborative Research: U.S. SO GLOBEC Synthesis and Modeling: Understanding Interactions Between Climate Warming, Gyre Dynamics and Western Antarctic Peninsula Ecosystem Respons

这项由极地海洋研究小组、旧自治领大学和威斯康星大学麦迪逊分校合作进行的研究将确定和调查海冰变化和南极半岛西部海洋生态系统变化影响阿德利企鹅种群招募的因果机制。该方法结合了数据收集、广泛的数据分析、以及企鹅幼雏生长的生物能量学模型的开发，该模型提供了一个框架，用于调查决定幼雏体重的物理和生态因素，这与招募成功有关。 现有的数据库涵盖帕尔默站30年的历史，以及四个主要的研究计划，包括全球海洋生态系统动力学计划（SO-Globec）的南大洋实验。 SO-Globec是一个多学科的努力，重点是了解影响南极磷虾（Euphausia superba）生长，繁殖，招募和生存的物理和生物因素。该计划采用多营养级方法，包括南极磷虾的捕食者和竞争者，以其他浮游动物，鱼类，企鹅，海豹和鲸目动物为代表。 目前正处于综合和建模阶段。该合作项目特别关注限制生态过程的海冰动态，并将与其他涉及初级生产者，食草动物，捕食者和其他更高营养水平的合成和建模研究相结合。

This collaborative study between the Polar Oceans Research Group, Old Dominion University, and the University of Wisconsin-Madison will identify and investigate the causal mechanisms through which changes in sea ice and variability in the western Antarctic Peninsula marine ecosystem affect recruitment in Adelie penguin populations.The approach combines data collection, extensive data analyses, and the development of a bioenergetics model of penguin chick growth that provides a framework for investigating the physical and ecological factors that determine chick fledging weight, which is linked to recruitment success. The available data base spans 30 years at Palmer Station, and four major research programs, including the Southern Ocean experiment of the Global Ocean Ecosystems Dynamics program (SO-Globec). SO-Globec is a multidisciplinary effort focused on understanding the physical and biological factors that influence growth, reproduction, recruitment and survival of Antarctic krill (Euphausia superba). The program uses a multi-trophic level approach that includes the predators and competitors of Antarctic krill, represented by other zooplankton, fish, penguins, seals, and cetaceans. It is currently in a synthesis and modeling phase. This collaborative project is concerned with specifically with the sea ice dynamics that constrain ecological processes, and will be integrated with other synthesis and modeling studies that deal with primary producers, grazers, predators, and other higher trophic levels.