U.S.-New Zealand Cooperative Science Program: Periphyton Communities in Stream Ecosystems

小行星9417225 该奖项部分支持雷克斯L博士的差旅费。 Lowe和一名来自俄亥俄州鲍林绿色州立大学生物科学系的研究生，与巴里J. F.比格斯，生态系统 在新西兰基督城的国家水和大气研究所担任科学家，为期两年。 这项研究将集中在溪流生态系统中附着生物群落结构的时空差异调节机制。 生态学研究中使用的干扰是指导致生态系统、群落或种群结构破坏并改变资源、基质可用性或物理环境的事件。 社区抵抗干扰影响的能力被称为抵抗力，社区恢复到预定状态的能力被称为抵抗力。 称为弹性。 本研究将探讨阻力和弹性因素调节底栖藻类群落在12个新西兰南岛流，6个在西海岸（高干扰）和6个在东海岸（低干扰）。 基于实验室的实验将在密歇根大学生物站溪流研究设施进行，该设施提供了许多复制的人工溪流通道。 实验室实验的目的是检查变量，似乎有很强的监管影响，在新西兰的天然溪流。 新西兰的大部分溪流都受到充分保护（在新西兰国家公园和保护区系统内），并提供独特的天然户外溪流环境，人们可以在这里研究具有相似或对比的物理，化学和生物特征的溪流。 比格斯先生对密歇根大学设施的访问得到了新西兰研究、科学和技术部的支持。新西兰合作科学计划

9417225 Lowe This award partially supports the travel expenses for Dr. Rex L. Lowe and a graduate student from the Department of Biological Sciences at Bowling Green State University, Ohio, to conduct cooperative research with Barry J. F. Biggs, Ecosystems Scientist with the National Institute of Water and Atmospheric Research, located in Christchurch, New Zealand, over a two year period. The research will focus on mechanisms that regulate spatial and temporal differences in the structure of periphyton communities in stream ecosystems. Disturbance, as used in ecological studies, denotes an event causing disruption in an ecosystem, community, or population structure and changes resources, substrate availability, or the physical environment. The ability of a community to resist the effects of a disturbance is referred to as resistance and the ability of a community to recover to some predetermined state is termed resilience. This study will examine resistance and resilience factors regulating benthic algae communities in twelve New Zealand South Island streams, six on the west coast (high disturbance) and six on the east coast (low disturbance). The laboratory-based experiments will be conducted at the University of Michigan Biological Station Stream Research Facility which provides numerous replicated artificial stream channels. The laboratory experiments are designed to examine variables which appear to have a strong regulatory influence in the natural New Zealand streams. Most of the New Zealand streams are fully protected (within the New Zealand National Parks and Reserves System), and provide a unique natural outdoor stream environment where one can investigate streams with similar or contrasting physical, chemical and biological traits. Support for the visit by Mr. Biggs to the University of Michigan facility is provided by the New Zealand Ministry of Research, Science and Technology under the U.S.- New Zealand Cooperative Science Progra m.