In addition to diversification created by isolation in different watersheds, cutthroat trout also occupy northern areas that were covered in ice during the last glacial maximum and re-invaded from southern ice-free watersheds by connections during pluvial periods.
These days, the watchers' eyes are on the Asian carp, whose dense population in the Illinois — eight thousand or more silver carp per river mile — exerts a seemingly inexorable pressure northward, toward Chicago and the huge, Asian-carp-free (probably) watershed beyond.
Pure Adventures Pick: After spending Earth Day at Grand Canyon National Park, finish off the day by watching the free screening of Watershed at 7 30 p.m. at Shrine of the Ages.
Although England's narrow semi-final defeat could have led to disaster, Euro 96 was a watershed; generally free of disorder within or around the stadiums.
County Legislator Michael B. Kaplowitz, chairman of the board's Environment and Health Committee, stressed the importance of keeping not only the watershed pollution free, but also residential property in northern Westchester where residents receive their household water from private wells.
The Holocene thermal maximum (HTM; 7.9 to 5.5 ka) was characterized by high within-lake productivity and ice-free conditions in the watershed.
My preference is for his more recent films, in which his direction has caught up to his writing: the gleefully bilious "Margot at the Wedding"; the brashly free-spirited "Greenberg," a watershed in cinematic romance; and the effervescently literary "Mistress America".
Last Friday lunchtime, during one of the Watershed's regular free seminars, Dr Mo Haghighi, a research assistant at the University of Bristol, gave an example of how the new relationship between city and citizen can work.
On BBC Radio 4's Today programme this week, I called on all seven main political leaders to do the following: curb the advertising of gambling, cut the "free bets" promotions, introduce a watershed to apply to these advertisements, ask the industry and banks to work together to monitor users' spending patterns and detect problem behaviour early, and talk more publicly about gambling addiction.
That law requires them to keep watersheds and beaches free of pollution — something Novato has failed to do.
