Researchers from Canada's Universite Laval and Universite de Sherbrooke visited sugar maple forests in Quebec province and found that new shoots of red maple, striped maple
, American beech, and two fern species became rarer as earthworm populations increased, Science daily reported.
Trees range enormously in height from a 15ft Acer pensylvanicum, the so-called email: email@example.com striped maple
on account of the silver striations on the bark, to a 300ft Californian Redwood.
Some trees have emphatically bright-hued barks that stand out in the landscape: the white-lined, emerald-green bark of the striped maple
; the striking metallic sheen of the yellow birch; the startlingly ivory, black-scribed trunk of the white birch, its wispy bark peeling back in thin ribbons to reveal creamier layers below.
Here's what to look for in Tennessee: Red maple, 439 pts.; Yellow buckeye, Gabes Mount Trail, 378 pts.; Eastern hemlock, 377 pts.; Red hickory, 327 pts.; Black cherry, 314 pts.; Carolina silverbell, 273 pts.; Frasier magnolia, 247 pts.; Allegheny serviceberry, 188 pts.; Pin cherry, 143 pts.; Striped maple
, Trillium Gap Trail, 129 pts.; Devils-walking-stick, 101 pts.; Mountain laurel, 78 pts.
(Acer pensylvanicum), eastern hemlock (Tsuga canadensis), balsam fir (Abies balsamea), and red maple (Acer rubrum) comprised a combined 74 and 56% of the browse dry weight consumed and available, respectively.
Species showing some tendency [TABULAR DATA FOR TABLE 6 OMITTED] to become more important as the gaps aged included mostly species able to grow rapidly in the light: black cherry (Prunus serotina), yellow-poplar, silverbell, red maple (Acer rubrum), striped maple
(Acer pensylvanicum), and beech.
I've already seen the yellow birch-snag blackened by fire, and I've spotted the small striped maple
scarred by a moose's antler.
Other prominent species include silver maple, (Acer saccarinum); big leaf or Oregon maple (Acer macrophyllum); striped maple
(Acer pensylvanicum); mountain maple (Acer spicatum); and red maple (Acer rubrum).
Black-throated blue warblers, nesting close to the ground under a concealing umbrella of hobblebush or striped maple
leaves, fare somewhat better, but still 40 percent of their nests were taken during one summer of heavy predation.