摘要
毛赤杨是广布于东北林区的乔木,它过去常被当作烧柴,随着人们认识程度的提高,毛赤杨的价值逐渐被发掘,并逐渐被开发利用。为了摸清赤杨的分布情况,我们于2006年5-7月对黑龙江省汤原县的天然毛赤杨资源进行了调查,经推算,汤原县的天然毛赤杨资源现有蓄积为150002立方米,胸径大于等于30厘米的蓄积仅有28510立方米,占总蓄积的19.01%。这说明大径的毛赤杨资源较少,小径级的毛赤杨后备资源比较丰富。分析了毛赤杨资源现状,并提出了保护的建议。
Alnus sibirica is widespread in forest in the north-east of china, it is often used as firewood the past, with increased awareness, the value of Alnus sibirica gradually being discovered and gradually be developed and utilized. In order to find out the distribution of Alnus sibirica of Tangyuan County ,We investigated Alnus sibirica natural resources to conduct a survey and analyzed the status of resources.
出处
《黑龙江科技信息》
2009年第24期143-143,共1页
Heilongjiang Science and Technology Information
关键词
毛赤杨
汤原县
调查
Alnus sibirica, Tangyuan County, survey
