Weed barrier trial at Chena Lake |
SCUBA crew for Elodea control trials |
Elodea in ice |
Elodea in spring |
Green growth in ice covered by dead layer |
Survey crew measuring depth |
Lowering the quadrat |
Survey crew viewing underwater vegetation |
Elodea at mouth of Chena River in Tanana |
Rooted Elodea at mouth of Chena River |
Tall Elodea in Chena Lake |
Bagged Elodea from control trial |