Evidence item
The Minnesota analysis reports mercury increases in four of six fish species and greater 0.22 ppm threshold exceedance risk for some species after zebra mussel establishment. DATASET_RESULT
Source: Mercury increases in multiple fish species following zebra mussel invasions · locator {} · excerpt hash sha256:2fb44c1bf72c687def7ff4781e4a1110492bdf70f735febb5dd623d8f7b38d7a
Exact excerpt
Using the Minnesota state fish contaminant database, researchers examined mercury concentrations from 357 lakes and six fish species ... Mercury concentrations increased in harvestable-sized fish in four of six species after zebra mussels became established ... Black crappie — mercury increased 21%; Bluegill — 19%; Northern pike — 9%; Walleye — 6%. ... Walleye, northern pike and largemouth bass were more likely to exceed a 0.22 ppm mercury threshold after zebra mussels became established.
Linked claims
| Claim | Direction | Relevance | Steps | Counted |
|---|---|---|---|---|
| 33c60fee | SUPPORT | DIRECT | 0 | yes |
Audits
None.