Dynamics of Harmful Algal Blooms: Rapid Response Sampling of Key Processes

有害藻华动态：关键过程的快速响应采样

• 批准号: 8550049
• 负责人: DENNIS J MCGILLICUDDY
• 金额: $ 10.29万
• 依托单位: WOODS HOLE OCEANOGRAPHIC INSTITUTION
• 依托单位国家: 美国
• 资助国家: 美国
• 起止时间: 至
• 项目状态: 未结题
• 来源: https://reporter.nih.gov/project-details/8550049
• 关键词: Accounting; Algae; Area; Carbon; Cell division; Data; Dependency; Detection; Development; Diatoms; Dinophyceae; Economics; Ecosystem; Epigenetic Process; Event; Generations; Genomics; Goals; Growth; Health; Human; Instruction; Investigation; Knowledge; Laboratories; Laboratory Study; Macronutrients Nutrition; Maine; Maps; Measurement; Measures; Modeling; Monitor; Nitrogen; Nutrient; Paralysed; Particulate; Pattern; Phase; Phytoplankton; Poisoning; Process; Production; Public Health; Research; Sampling; Shellfish; Silicic Acid; Silicon; Stream; Structure; Surveys; Technology; Telemetry; Temperature; Time; Toxic effect; Toxin; chlorophyll a; cost effective; domoic acid; falls; field study; functional group; harmful algal blooms; improved; instrumentation; interest; model development; mortality; research study; response; sensor; toxic bloom; uptake; volunteer

PROJECT SUMMARY (See instructions): The advent of moored technologies for harmful algal bloom (HAB) detection with real-time telemetry facilitates opportunistic and adaptive sampling of key bloom processes that have as yet evaded us in traditional seagoing survey mode. We propose to use data streams from Environmental Sample Processor (ESP) moorings to mobilize rapid-response surveys during key phases of two types of HABs in the Gulf of Maine: Alexandrium fundyense and Pseudo-nitzschia spp. For A. fundyense, sampling will focus on bloom decline, as the mechanisms that terminate these blooms are as yet undocumented in the field. The dynamics of Pseudo-nitzschia spp. remain largely uncharacterized in this region, and rapid response sampling will accordingly be targeted amongst the various phases of initiation, development, and decline. Laboratory experiments will be conducted with Pseudo-nitzschia isolates collected from the Gulf of Maine to measure their vital rates and dependencies on environmental conditions. Knowledge gained from both field and laboratory studies will be incorporated into models of bloom dynamics to improve predictive capabilities.

项目摘要（参见说明）： 通过实时遥测技术检测有害藻华 (HAB) 的系泊技术的出现，有助于对关键藻华过程进行机会性和适应性采样，而这些过程在传统的海上调查模式中是无法实现的。我们建议使用来自环境样本处理器 (ESP) 系泊装置的数据流，在缅因湾两种类型的有害藻华（亚历山大藻和拟菱形藻属）的关键阶段进行快速响应调查。对于 A.fundyense，采样将集中于水华衰退，因为终止这些水华的机制在该领域尚未有记录。这 拟菱形藻的动力学。该地区在很大程度上仍然没有特征，因此快速响应采样将相应地针对启动、发展和衰退的各个阶段。 实验室将对从缅因湾收集的伪菱形藻分离株进行实验，以测量其生命率和对环境条件的依赖性。从现场和实验室研究中获得的知识将被纳入水华动力学模型中，以提高预测能力。