Adelie penguin satellite position data 2000-2009 from the California Avian Data Center hosted by Point Reyes Bird Observatory Conservation Science

This project is an international collaborative investigation of geographic structuring, founding of new colonies, and population change of Adelie penguins (Pygoscelis adelia) nesting on Ross and Beaufort islands, Antarctica. This ongoing study will continue to consider the relative importance of resources that constrain or enhance colony growth (nesting habitat, access to food); the aspects of natural history that are affected by exploitative or interference competition among neighboring colonies (breeding success, foraging effort); climatic factors that influence the latter, especially sea ice patterns; and behavioral mechanisms that influence colony growth as a function of initial size and location (emigration, immigration). The research includes a census of known-age penguins, studies of foraging effort and overlap among colonies; and identification of the location of molting and wintering areas.本项目为一项国际性合作调查研究，聚焦于南极罗斯岛与博福特岛筑巢的阿德利企鹅（Pygoscelis adelia）的种群地理结构、新繁殖群体建立及种群动态变化。本持续推进的研究将系统考量四类核心内容：其一为约束或促进企鹅群体增长的资源的相对重要性，涵盖筑巢栖息地、食物可及性两大维度；其二为受邻近群体间剥削性竞争与干扰性竞争影响的自然历史特征，包括繁殖成功率、觅食投入水平；其三为对后者产生影响的气候因素，尤以海冰分布模式最为关键；其四为随群体初始规模与空间位置变化影响群体增长的行为机制，包含迁出与迁入过程。本研究涵盖已知年龄个体的种群普查、不同群体间觅食投入与觅食重叠度分析，以及换羽区与越冬区位置的识别工作。