Linking storm water management ponds & urban streams: function and ecological impacts

连接雨水管理池

基本信息

  • 批准号:
    561406-2020
  • 负责人:
  • 金额:
    $ 7.29万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Alliance Grants
  • 财政年份:
    2021
  • 资助国家:
    加拿大
  • 起止时间:
    2021-01-01 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Storms can result in large amounts of water draining into urban streams and rivers, potentially resulting in flooding, erosion, and transfer of large amounts of sediments and nutrients from the land surface into rivers and lakes. To reduce flooding events and erosion and to trap sediments and nutrients, storm water management (SWM) ponds are used extensively (>2000 ponds are in operation within the Greater Toronto Area) across Canada. The ponds have different design features that may influence water quality of pond effluent. Bottom-draw ponds may drain from deeper waters that are cooler in temperature, but may lack dissolved oxygen and have highly elevated levels of chloride both conditions are detrimental to aquatic life. Ponds trap sediment, nutrients, and contaminants within the ponds. Periodic removal of sediment from ponds is necessary to maintain their function, but is also expensive. As a consequence, both pond design and maintenance may be important factors determining conditions within the ponds and how effluent impacts streams and rivers.We will conduct a broad survey of how pond design and maintenance may be impacting the water quality within ponds and the resulting ecological communities that may develop within those ponds, and the impacts of effluent water quality on ecological communities of receiving streams. For example, higher water temperatures and nutrients may contribute to the development of harmful algal blooms that may present health hazards to dogs and children that may frequent SWM ponds. Our work links the ongoing performance of a subset of ponds to determine the impacts effluent has on the receiving streams and rivers. We will examine how pond design and maintenance impacts stream periphyton, benthic invertebrate, and fish communities, including aquatic species at risk, and we will assess cumulative impacts of these ponds given numerous ponds are located and drain into relatively short lengths of many streams. Knowledge gained will allow better design to be incorporated and to determine cost-effective maintenance scheduling that improves efficacy and reduces ecological impact.
风暴可能导致大量的水排入城市溪流和河流,可能导致洪水、侵蚀,并将大量沉积物和营养物质从陆地表面转移到河流和湖泊。为了减少洪水事件和侵蚀并捕获沉积物和营养物,在加拿大各地广泛使用雨水管理(SWM)池塘(在大多伦多地区内有>2000个池塘在运行)。这些池塘有不同的设计特点,可能会影响池塘出水的水质。底采池可能从温度较低的较深沃茨中排水,但可能缺乏溶解氧,氯化物水平高度升高,这两种情况对水生生物都是有害的。 池塘将沉积物、营养物和污染物截留在池塘内。定期清除池塘中的沉积物对维持其功能是必要的,但也很昂贵。 因此,池塘设计和维护可能是决定池塘内条件以及污水如何影响溪流和河流的重要因素。我们将进行广泛的调查,了解池塘设计和维护如何影响池塘内的水质和由此产生的生态群落可能在这些池塘内发展,以及污水水质对接收溪流生态群落的影响。 例如,较高的水温和营养物质可能会导致有害藻类大量繁殖,这可能会对可能经常出现在SWM池塘的狗和儿童造成健康危害。我们的工作将池塘子集的持续性能联系起来,以确定污水对接收溪流和河流的影响。我们将研究池塘的设计和维护如何影响流附着生物,底栖无脊椎动物和鱼类群落,包括处于危险中的水生物种,我们将评估这些池塘的累积影响,因为许多池塘的位置和排水到相对较短的长度许多流。所获得的知识将有助于采用更好的设计,并确定具有成本效益的维护时间表,以提高效率并减少对生态的影响。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Jackson, Donald其他文献

HCS Road: An Enterprise System for Integrated HCS Data Management and Analysis
  • DOI:
    10.1177/1087057110374233
  • 发表时间:
    2010-08-01
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Jackson, Donald;Lenard, Michael;Gill, James
  • 通讯作者:
    Gill, James
Identification of a nonkinase target mediating cytotoxicity of novel kinase inhibitors
  • DOI:
    10.1158/1535-7163.mct-08-0826
  • 发表时间:
    2008-11-01
  • 期刊:
  • 影响因子:
    5.7
  • 作者:
    Ross-Macdonald, Petra;de Silva, Heshani;Jackson, Donald
  • 通讯作者:
    Jackson, Donald

Jackson, Donald的其他文献

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{{ truncateString('Jackson, Donald', 18)}}的其他基金

Structuring Mechanisms of Ecological Communities
生态社区的构建机制
  • 批准号:
    RGPIN-2020-05129
  • 财政年份:
    2022
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Structuring Mechanisms of Ecological Communities
生态社区的构建机制
  • 批准号:
    RGPIN-2020-05129
  • 财政年份:
    2021
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Structuring Mechanisms of Ecological Communities
生态社区的构建机制
  • 批准号:
    RGPIN-2020-05129
  • 财政年份:
    2020
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Structuring of ecological communities
生态社区构建
  • 批准号:
    RGPIN-2014-05011
  • 财政年份:
    2018
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Applying the metabolic theory of ecology to estimate the productivity of inland fish communities
应用生态学代谢理论估算内陆鱼类群落的生产力
  • 批准号:
    494065-2016
  • 财政年份:
    2017
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Strategic Projects - Group
Structuring of ecological communities
生态社区构建
  • 批准号:
    RGPIN-2014-05011
  • 财政年份:
    2017
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Structuring of ecological communities
生态社区构建
  • 批准号:
    RGPIN-2014-05011
  • 财政年份:
    2016
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual
Applying the metabolic theory of ecology to estimate the productivity of inland fish communities
应用生态学代谢理论估算内陆鱼类群落的生产力
  • 批准号:
    494065-2016
  • 财政年份:
    2016
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Strategic Projects - Group
NSERC Canadian Network for Aquatic Ecosystem Services
NSERC 加拿大水生生态系统服务网络
  • 批准号:
    417353-2011
  • 财政年份:
    2015
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Strategic Network Grants Program
Structuring of ecological communities
生态社区构建
  • 批准号:
    RGPIN-2014-05011
  • 财政年份:
    2015
  • 资助金额:
    $ 7.29万
  • 项目类别:
    Discovery Grants Program - Individual

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  • 资助金额:
    $ 7.29万
  • 项目类别:
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