纸皮桦,学名Betula albosinensis Burk,又名红桦,为落叶乔木,因其树皮桔红或红褐色而得名。中国特有种,落叶乔木,我国山西、陕西、甘肃、河南、河北、湖北、云南及四川等均有分布。观赏、遮荫和材用树。
纸皮桦和花旗松到底是怎么交流的呢?
美国西部的一种桦树,类似于纸皮桦,但是树皮棕色。
Birch of western United States resembling the paper birch but having brownish bark.
结果还表明在每年的这个时间,在夏天的时候,纸皮桦给花旗松送的碳比花旗松反送给它的要多,特别是当花旗松见不到阳光的时候。
It turns out at that time of the year, in the summer, that birch was sending more carbon to fir than fir was sending back to birch, especially when the fir was shaded.
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