Thinning and in-stream wood recruitment in riparian second growth forests in coastal Oregon and the

来源 :林业研究:英文版 | 被引量 : 0次 | 上传用户:MENTAL2010
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
Many aquatic habitats in coastal Oregon have been impacted by historic land use practices that led to losses of in-stream wood and associated degraded fish habitats. Many of these streams are now bordered by stands of dense second growth forests(30–80 yea
其他文献
“服务社会”是高校的三大基本职能之一,湖北省委省政府极其重视发挥高校服务湖北地方发展的作用。湖北地方高校在社会服务上存在意识不强、定位不清、机制不够健全、能力有待
随着煤炭资源的逐渐减少,煤矿开采企业都在寻求如何最大限度的开采矿山内煤炭资源,从而来提高煤炭资源开采率,以求减少资源浪费情况的出现。在此背景之下,综采放顶煤技术应运
The most common scientific approach to numerical landscape-level forest management planning is combinatorial optimization aimed at finding the optimal combinati
目的:观察尿石通治疗泌尿系结石的疗效.方法:90例患者随机分为2组,对照组37例采用常规西药治疗,治疗组53例在对照组治疗的基础上加用尿石通.结果:治疗组总有效率84.9%,对照组
The objective was to evaluate the performance of the co-management of Nishorgo Support Project at Chunati Wildlife Sanctuary in Bangladesh. I adopted the Focus
The biodiversity of arbuscular mycorrhizal fungi (AMF) was surveyed in the Kolm region of Iran in three adjacent sites, a natural stand, a 10-year-old and a 15-
<正>3月20日,中共中央、国务院印发了《关于全面加强新时代大中小学劳动教育的意见》(以下简称《意见》)。为了帮助民族地区的广大教育工作者,尤其是基础教育工作者更好地理
鸡传染性滑膜炎是由滑液囊霉形体引起蛋鸡慢性消耗性疾病,当蛋鸡的感染鸡传染性滑膜炎临床表现采食下降和机体渐进性消瘦,临床特征性变化为关节肿大性关节炎,滑液囊炎,因此该
The present study was an effort to understand the amount of litter fall and its subsequent decomposition and quantify the release of available nutrients and soi