A Limnological Yardstick based on phosphorus limitation

IF 1.1 4区环境科学与生态学 Q4 LIMNOLOGY

Lake and Reservoir Management Pub Date : 2022-03-16 DOI:10.1080/10402381.2022.2045400

M. Hoyer, D. Canfield

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引用次数: 1

Abstract

Abstract Hoyer MA, Canfield DE, Jr. 2022. A Limnological Yardstick based on phosphorus limitation. Lake Reserv Manage. 38:109–125. A new tool called a Limnological Yardstick was developed using long-term (15 to 35 yr) lake chemistry data collected by volunteers of the Florida LAKEWATCH program. This yardstick can assist managers of aquatic systems with identifying where there is a great probability that phosphorus is not only the limiting nutrient, but the limiting environmental factor. When a lake’s phosphorus–chlorophyll data lie below the yardstick’s lower 95% confidence interval, phosphorus may be the limiting nutrient but not the limiting environmental factor, indicating where phosphorus control strategies will most likely fail. The Limnological Yardstick cannot directly identify the limiting environmental factor(s), as this requires a thorough limnological study of the lake because each lake has unique properties. Limiting environmental factors discussed are nitrogen, true color (Pt-Co units), nonalgal suspended solids, flushing rate, and aquatic macrophytes. The potential impacts of limiting environmental factors on the classification of lake trophic state and eutrophication are also discussed.

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基于磷限值的湖泊尺度

摘要Hoyer MA，Canfield DE，Jr.2022。基于磷限制的湖沼学标尺。湖泊保护区管理。38:109-125。使用长期（15-35 yr）由佛罗里达州LAKEWATCH项目的志愿者收集的湖泊化学数据。这一标准可以帮助水生系统的管理者确定磷不仅是限制营养素，而且是限制环境因素的可能性很大的地方。当湖泊的磷-叶绿素数据低于标准的较低95%置信区间时，磷可能是限制营养物质，但不是限制环境因素，这表明磷控制策略最有可能失败。湖泊学界限不能直接确定限制环境因素，因为这需要对湖泊进行彻底的湖泊学研究，因为每个湖泊都有独特的特性。所讨论的限制性环境因素包括氮、本色（Pt-Co单位）、非藻类悬浮固体、冲洗速率和水生大型植物。还讨论了限制性环境因素对湖泊营养状态和富营养化分类的潜在影响。

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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期刊介绍： Lake and Reservoir Management (LRM) publishes original, previously unpublished studies relevant to lake and reservoir management.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.