1.   Downed logs decay, supplying carbon and other food for a whole chain of life from fungi and flowers to salamanders, pileated woodpeckers and fishers, they say.

2.   During drought, bears in search of grubs in downed logs, yellow-jacket nests, ants, termites or leafy greens will keep moving until they die.

3.   Environmentalists say downed logs are important to a forest ecosystem, providing homes for animals and nutrients for living plants.

4.   In the thick of the forests, the same effect occurred with tree trunks, downed logs and lichen-covered rocks.

a. + log >>共 248
daily 3.52%
floating 2.86%
fallen 2.42%
old 2.42%
illegal 2.20%
huge 1.98%
oak 1.54%
detailed 1.54%
large 1.54%
big 1.54%
downed 0.88%
downed + n. >>共 89
power 15.29%
tree 14.73%
plane 11.23%
pilot 7.73%
aircraft 5.71%
helicopter 5.71%
line 3.13%
bridge 2.76%
airman 2.21%
pole 1.66%
log 0.74%
每页显示:    共 4