The following pesticides are sprayed either manually or aerially on Willapa Bay and Grays Harbor shellfish beds causing environmental and human health concerns: Carbaryl—Eradicates native ghost shrimp and could harm other benthic species. Known to adversely effect salmon. Imazapyr—Eradicates spartina. Glysophate—Eradicates spartina. A recent study* on the effects of glysophate-based herbicides states: “Pesticides may be involved in oyster summer mortality events, not necessarily as a single causative agent but as an additional stressor.” Imazamox—Eradicates Zostera japonica eelgrass, but is known to also eliminate nearby native eelgrass. Adverse...
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