通过对13处啄木鸟筑巢的林分及树木生长状况的调查,得出啄木鸟筑巢林分面积不小于40 hm2且生境未被片断化,筑巢的树木一般选择胸径15.9 cm以上、生长势较弱的濒死或立枯的杨、柳树的结论. 著录项 来源 《防护林科技》 |2008年第3期|3763|共2页 作者 刘洪界; 董希文; 吕任涛; 作者单位 黑龙江省延...
It mainly describes the stratagic status of natural forest protection project and the relationship of the development of wood science and forest industry and natural forest protection project. The paper also disucsses the direction for the development of wood science and technology under the situation...
The Yili River basin key protective forest and the forestry ecology science and technology demonstration studies 相关内容 ainstallation compiete 设施compiete[translate] a对皮肤有益 Es beneficioso a la piel[translate] aYoung, never give up, bravely climbs the peak 年轻人,从未放弃,勇敢地攀登峰顶[...
Forest governance Woody biomass use Recurring governance problems Renewable energy directive Natura 2000 network Nature Restoration Law Abbreviations NRL Nature Restoration Law RED Renewable Energy Directive C&C regulations command-and-control regulations MBIs market-based instruments PA Paris Agreement CBD Conv...
a科技领先,以人为本,回顾社会,共同发展 The science and technology is in the lead, humanist, review society, communal development[translate] a我们必须拥有良好的法制观念和价值观念 We must have the good concept of law and the value idea[translate] ...
浙江千岛湖国家森林公园 浙江省淳安县新安江开发总公司 教授级高工徐高福 浙江千岛湖国家森林公园 浙江省淳安县新安江开发总公司 教授级高工徐高福 获取原文 开具论文收录证明 >> 期刊封面封底目录下载 >> 页面导航 著录项 相似文献 相关主题 著录项 来源 《防护林科技》 |2009年第5期|F0003-F0003|共...
◆单句语法填空 (1) Due to the application(apply)of this medical technology,more diseases can be discovered and treated at an early stage. (2) [2015·福建卷]To my delight,I was chosen from hundreds of applicants(apply)to attend the opening ceremony. (3) Now lots of new tech...
Being open ocean, the Sargasso Sea is part of the High Seas, the area of ocean that covers nearly 50% of the earth's surface but which is beyond the jurisdiction and responsibility of any national government, and as such it enjoys little protection. To promote the importance of the ...
large-scale caribou protection measures and achieving forest management goals,” explained Denys Yemshanov, lead author of the study. “Ideally we want to satisfy both, but this may not be possible. There’s no free lunch. Something’s got to give, and this is what this model is about....
Parks protect forest cover in a tropical biodiversity hotspot, but high human population densities can limit success 2018, Biological Conservation Citation Excerpt : Local resource use and infrastructure development are often subject to greater oversight within protected areas (Barber et al., 2014; Brune...