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首页> 外文会议>IAHR Congress >UNDERSTANDING THE HYDROLOGIC FACTORS AFFECTING THE GROWTH OF THE NUISANCE DIATOM DIDYMOSPHENIA GEMINATA IN RIVERS: PRELIMINARY RESULTS FROM BOULDER CREEK, CO.
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UNDERSTANDING THE HYDROLOGIC FACTORS AFFECTING THE GROWTH OF THE NUISANCE DIATOM DIDYMOSPHENIA GEMINATA IN RIVERS: PRELIMINARY RESULTS FROM BOULDER CREEK, CO.

机译：了解影响河流中滋扰迪亚麦脱氨酸脱磷的生长的水文因素：博尔德溪，CO的初步结果。

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摘要

Didymosphenia geminata is a nuisance diatom that can form large mats covering the streambed. These blooms impact the aesthetic value and biodiversity of mountain streams and threaten both valuable fish species and the sustainability of water supply infrastructure. In recent years there has been an increase in the nuisance blooms of D. geminata, as well as spreading to new watersheds. While some studies have considered the habitat preferences of D. geminata, none have looked in detail at the impact of flood events and bed disturbance, which are considered to be primary controls on growth. This paper will present initial results from the analysis of the impact of flood events on D. geminata coverage in Boulder Creek, CO. The objective of this research is to quantifying critical levels of shear stress and frequency of bed disturbance for the consideration of managed flood releases to control future growth.
机译：兼奥米奥奥奥代亚奥片类是一种滋扰硅藻，可以形成覆盖流的大垫。这些绽放会影响山地溪流的美学价值和生物多样性，并威胁有价值的鱼类和供水基础设施的可持续性。近年来，D. Geminata的滋扰盛开，以及向新流域蔓延起来。虽然一些研究审议了D. Geminata的栖息地偏好，但在洪水事件和床干扰的影响下，没有人详细研究，这被认为是对增长的主要管制。本文将呈现初始结果，分析了洪水事件对博尔德溪，CO的D. Geminata覆盖范围的影响。本研究的目的是量化临界压力和床扰动频率，以考虑管理洪水释放以控制未来的增长。

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