water birch การใช้

Logs of water birch along the low-lying creeks gradually give way to foxtail pines and later, red fir growing at the higher altitudes.
The well-preserved dung layer was deposited over approximately 1, 000 years by multiple animal species during a period characterized by the proliferation of oak and the decline of blue spruce and water birch.
""'Betula occidentalis " "'( "'Water Birch "', also known as "'Red Birch "') is a species of birch native to western North America, in Canada from Yukon east to western Ontario and southwards, and in the United States from eastern Washington east to western North Dakota, and south to eastern California, northern Arizona and northern New Mexico, and southwestern Alaska.