Yellowstone uses dead lake trout to kill more lake trout
(10/26/16)<http://m.jhnewsandguide.com/news/environmental/y-stone-uses-dead-lake-trout-to-kill-more-lake/article_65784645-7a19-58de-bdba-84e995c732e1.html?mode=jqm>
…….But using lake
trout carcasses to kill their spawn has been perhaps the most promising
technique to date used on Yellowstone Lake to kill the picivorous exotic char
before they grow into swimming organisms that take a toll on native cutthroat
trout. If the method proves viable on a large scale, it could be a key tool in
the fight to help cutthroat stage a comeback and rebound to their historical
numbers. In turn, park managers hope to restore a multi-level trophic cascade
that could, in theory, result in grizzly bears eating fewer elk calves……