[MAIPC] State-of-the-science on glyphosate use in aquatic areas?

[Susan McLaughlin]

Hi there, Art.

Here is a meta-analysis.  They are not able to isolate the impacts of
co-formulants from those of glyphosate, but argue that the cumulative
effects point to the need for increased regulation (in the EU).

https://enveurope.springeropen.com/articles/10.1186/s12302-024-00849-1#Tab10

Thank you for considering this.

-- Susan

On Wed, Jul 30, 2025 at 5:15 PM Gover, Art <aeg2 at psu.edu> wrote:

> Hi, Susan.
>
> Can you share links to some of these papers?
>
> Thanks.
>
> Be well.
>
> Art
>
> Penn State Wildland Weed Management (*retired*)
> *plantscience.psu.edu/wildland*
> <https://plantscience.psu.edu/research/projects/wildland-weed-management/front-page>
> *Penn State Extension - Invasive and Competing Plants*
> <https://extension.psu.edu/forests-and-wildlife/forest-management/invasive-and-competing-plants>
>
> On Jul 30, 2025, at 16:53, Susan McLaughlin <
> susan.mclaughlin at alumni.stanford.edu> wrote:
>
> Hi all.
>
> I am wondering whether any of you might be able to speak to recent studies
> or findings related to glyphosate use in aquatic environments.  By this I
> am referring to use in riparian areas and floodplains as well as direct use
> in wetlands and waterways.
>
> In the arena of invasive plant control, practice has often been based on
> the understanding that it is the surfactant that is impactful on aquatic
> life rather than the glyphosate itself.  However, as of late I am hearing
> more discussions, and seeing some papers, which would point to glyphosate
> -- no matter the formulation or added surfactants -- being a real problem
> in aquatic environments.
>
> Have you seen (or written) papers that have isolated the impacts of
> glyphosate from other herbicide ingredients?
>
> TIA,
>
> Susan McLaughlin
>
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>
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>
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