Community science-based monitoring reveals the role of land use scale in driving nearshore water quality in a large, shallow, Canadian lake

IF 1.1 4区环境科学与生态学 Q4 LIMNOLOGY

Lake and Reservoir Management Pub Date : 2021-10-02 DOI:10.1080/10402381.2021.1989525

E. Smith, D. Balika, A. Kirkwood

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引用次数: 1

Abstract

Abstract Smith ED, Balika D, Kirkwood AE. 2021. Community science-based monitoring reveals the role of land use scale in driving nearshore water quality in a large, shallow, Canadian lake. Lake Reserv Manage. 37:431–444. As shorelines and watersheds become increasingly developed, lake condition declines due to nutrient enrichment, excess algae growth, and contaminant loading. Lake Scugog, a large shallow lake in southern Ontario, Canada, is no exception, and has been experiencing increased urban development in its agriculture-dominated watershed over the last few decades. By applying a 3-pronged co-production model (stewardship group, watershed authority, and university laboratory), a nearshore water quality monitoring program was implemented using a community-science approach. Nearshore water samples were collected over 3 years (2017–2019) by trained community scientists. We found strong relationships between water quality parameters and land use, at the buffer and subcatchment scale. The strength of the land use relationships varied by parameter and scale, where chloride was significantly predicted by buffer land use, and phosphorus was explained by development at the subcatchment scale. Based on the high rate of participation compliance, the community science approach proved to be effective for capturing spatially explicit water quality data, which allowed us to establish current baseline conditions in Scugog’s nearshore zone. Future watershed management should consider both scales of land use, but prioritize restoration efforts on the scale that corresponds to their specific water quality goals.

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基于社区科学的监测揭示了土地利用规模在推动加拿大一个大型浅水湖近岸水质方面的作用

摘要Smith ED，Balika D，柯克伍德AE.2021。基于社区科学的监测揭示了土地利用规模在推动加拿大一个大而浅的湖泊近岸水质方面的作用。湖泊保护区管理。37:431–444。随着海岸线和流域的日益发达，由于营养丰富、藻类过度生长和污染物负荷，湖泊状况下降。斯库戈湖，加拿大安大略省南部的一个大型浅水湖，也不例外，在过去几十年中，其以农业为主的流域的城市发展不断加快。通过应用三要素联合生产模式（管理小组、流域管理局和大学实验室），采用社区科学方法实施了近岸水质监测计划。在3个月内采集了近岸水样本年（2017–2019）。我们发现，在缓冲区和子流域尺度上，水质参数与土地利用之间存在着密切的关系。土地利用关系的强度因参数和规模而异，其中氯化物通过缓冲土地利用得到显著预测，而磷则通过分区尺度的开发得到解释。基于高参与依从性，社区科学方法被证明可以有效地获取空间上明确的水质数据，这使我们能够在斯库戈的近岸区域建立当前的基线条件。未来的流域管理应考虑土地利用的两个规模，但应优先考虑与具体水质目标相对应的规模的恢复工作。

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来源期刊

Lake and Reservoir Management 环境科学-海洋与淡水生物学

自引率

6.70%

发文量

期刊介绍： Lake and Reservoir Management (LRM) publishes original, previously unpublished studies relevant to lake and reservoir management. Papers address the management of lakes and reservoirs, their watersheds and tributaries, along with the limnology and ecology needed for sound management of these systems. Case studies that advance the science of lake management or confirm important management concepts are appropriate as long as there is clearly described management significance. Papers on economic, social, regulatory and policy aspects of lake management are also welcome with appropriate supporting data and management implications. Literature syntheses and papers developing a conceptual foundation of lake and watershed ecology will be considered for publication, but there needs to be clear emphasis on management implications. Modeling papers will be considered where the model is properly verified but it is also highly preferable that management based on the model has been taken and results have been documented. Application of known models to yet another system without a clear advance in resultant management are unlikely to be accepted. Shorter notes that convey important early results of long-term studies or provide data relating to causative agents or management approaches that warrant further study are acceptable even if the story is not yet complete. All submissions are subject to peer review to assure relevance and reliability for management application.