Complex patterns of phosphorus delivery in the Lake of the Woods watershed

Macgillivray, Kelly A.; Greenwood, Wesley J.; Paterson, Andrew M.; Watmough, Shaun A.; Williams, Andrew J.; Eimers, M. Catherine

doi:10.1016/j.jglr.2022.06.002

Cited by 6 publications

(1 citation statement)

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“…As previously stated, reducing nutrient inputs from agricultural runoff, sewage, and sediment erosion to the system is widely considered the most effective of all current methods of controlling HABs but is generally challenging due to spatial and socioeconomic constraints. This includes the challenge of addressing legacy nutrients and natural contributions to eutrophication in aquatic ecosystems, which can continue to fuel HABs even if point and non-point sources are fully addressed [53,124,125].…”

Section: Non-targeted Approachesmentioning

confidence: 99%

Incorporating Microbial Species Interaction in Management of Freshwater Toxic Cyanobacteria: A Systems Science Challenge

Banerji

Benesh

2022

Ecologies

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Water resources are critically important, but also pose risks of exposure to toxic and pathogenic microbes. Increasingly, a concern is toxic cyanobacteria, which have been linked to the death and disease of humans, domesticated animals, and wildlife in freshwater systems worldwide. Management approaches successful at reducing cyanobacterial abundance and toxin production have tended to be short-term solutions applied on small scales (e.g., algaecide application) or solutions that entail difficult multifaceted investments (e.g., modification of landscape and land use to reduce nutrient inputs). However, implementation of these approaches can be undermined by microbial species interactions that (a) provide toxic cyanobacteria with protection against the method of control or (b) permit toxic cyanobacteria to be replaced by other significant microbial threats. Understanding these interactions is necessary to avoid such scenarios and can provide a framework for novel strategies to enhance freshwater resource management via systems science (e.g., pairing existing physical and chemical approaches against cyanobacteria with ecological strategies such as manipulation of natural enemies, targeting of facilitators, and reduction of benthic occupancy and recruitment). Here, we review pertinent examples of the interactions and highlight potential applications of what is known.

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Section: Non-targeted Approachesmentioning

confidence: 99%