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Headwater Streams and Wetlands are Critical for Sustaining Fish, Fisheries, and Ecosystem Services

Creator:

Colvin, Susan A. R., Sullivan, S. Mazeika P., Shirey, Patrick D., Colvin, Randall W., Winemiller, Kirk O., Hughes, Robert M., Fausch, Kurt D., Infante, Dana M., Olden, Julian D., Bestgen, Kevin R., Danehy, Robert J., and Eby, Lisa

Abstract:

Headwater streams and wetlands are integral components of watersheds that are critical for biodiversity, fisheries, ecosystem functions, natural resource-based economies, and human society and culture. These and other ecosystem services provided by intact and clean headwater streams and wetlands are critical for a sustainable future. Loss of legal protections for...

Resource Type:

Article
Biological screening of selected Pacific Northwest forest plants using the brine shrimp (Artemia salina) toxicity bioassay

Creator:

Karchesy, Yvette M., Kelsey, Rick G., Constantine, George, and Karchesy, Joseph J.

Abstract:

The brine shrimp (Artemia salina) bioassay was used to screen 211 methanol extracts from 128 species of Pacific Northwest plants in search of general cytotoxic activity. Strong toxicity (LC₅₀ < 100 µg/ml) was found for 17 extracts from 13 species, with highest activity observed for Angelica arguta roots at <10...

Resource Type:

Article

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