your average Douglas fir weighs 35 lbs per cubic foot witch equals 2.005208 lbs. per linear foot for 2x6 so a 16 footer would weigh approx 32.083 lbs. (answer from Pocket Reference third edition, Thomas J. Glover) math done by me. 5.5 x 1.5=8.25 c.i. per linear inch x 12"=99 c.i. per foot x 16 feet = 1585 cubic inches divided by 1728 (12x12x12) =.9166666667 x 35 lbs =32.0833333345 lbs. per 16 feet.
2.15
It depends on the size and weight of the tree(s).
The Latin name for the Douglas Fir is Pseudotsuga . There are a number of varieties that carry the name of Douglas. P.mensiesii is the Oregon Douglas Fir. P. macrocarpa is the Large-coned Douglas Fir. P. japonica is the Japanese Douglas Fir. P.caesia is the Fraser River Douglas Fir and P. glauca is the Blue Douglas Fir. Take your pick. Pseudotsuga means false hemlock.
Douglas Fir grows in in the upper US and Canada.
"Fir". "Fur" refers to an animals hide or hair.
There are at least five different trees classed as Douglas Firs. Pseudotsuga menziesii the Oregon Douglas Fir. P.macrocarpa the Large Coned Douglas Fir. P.japonica the Japanese Douglas Fir. P. caesia the Fraser River Douglas Fir and P. glauca the Blue Douglas Fir none of them are true firs the difference being that the cones are pendulous and drop intact. Pseudotsuga means pseudo , false, tsuga , hemlock.
A Douglas Fir is in the Pinales Order and the Coniferopyhta Phylum.
The roots of a Douglas fir tree absorb water and nutrients
Douglas fir
I'm not a million percent sure on this one, but im almost positive a Douglas fir isn't actually a fir at all, if that helps at all
Douglas fir and Fraser fir
a foot of 4x6 Douglas fir will weigh about 2lbs. to 3 1/2 lbs. per running foot depending on the moisture content of the particular piece of lumber