农学 >>> 林学 >>> 林业基础学科 林木遗传育种学 森林培育学 森林经理学 森林保护学 野生动物保护与管理 防护林学 经济林学 园林学 森林统计学 林业经济学 林学其他学科
搜索结果: 1-15 共查到林学 biodiversity相关记录25条 . 查询时间(0.078 秒)
Monoculture plantations of fast-growing trees are increasing worldwide and, in many cases, these replace highly diverse natural environments. The Mesopotamian Savannas and the Iberá marshes ecoregions...
It remains difficult to compare the state of conservation of forests of different nations. Essential Biodiversity Variables (EBVs) are a set of variables designed as a framework for harmonizing biodiv...
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem multifunctionalit...
Background: The importance of biodiversity in maintaining multiple ecosystem functions has been widely accepted. However, the specific mechanisms affecting biodiversity and ecosystem?multifunctionalit...
Due to rising global warming and climate change, biodiversity protection has become a critical ecological concern. Rich biodiversity zones are under threat and are deteriorating, necessitating nationa...
The aim of the present study was to analyse the impacts of different logging intensities after five years from logging including non-logged, low (3.4 felled stems per hectare), medium (5.2 felled stem...
The rapid disruption of tropical forests probably imperils global biodiversity more than any other contemporary phenomenon1–3. With deforestation advancing quickly, protected areas are increasingly ...
We documented the current typological and phytosociological characterisation of the ground vegetation as an essential component of biodiversity in 154 Czech forest monitoring plots and to describe its...
The purpose of this project was to increase urban biodiversity by restoring the native floodplain plant communities along the Connecticut River at the Pioneer Valley Riverfront Club (PVRC). Restoring ...
Increasing recognition of the worlds' expanding population and current global rural-to-urban migration necessitates a better understanding and integration of urban ecological process into the framewor...
Increasing recognition of the worlds' expanding population and current global rural-to-urban migration necessitates a better understanding and integration of urban ecological process into the framewor...
Increasing recognition of the worlds' expanding population and current global rural-to-urban migration necessitates a better understanding and integration of urban ecological process into the framewor...
Antarctica’s ice-free areas – home to most of the continent’s biodiversity – need better protection from human impact, says a group of Australian environmental scientists.
This paper analyzes the effect of woodlot size and land-use intensity on the species richness of vascular plants, birds, beetles, and ants in Castanea sativa (chestnut) woodlots of the northwestern Ib...
Bamboo forests are unique in their ability to meet economic and social objectives of providing timber, development and raising rural incomes rapidly and over a sustained period of time. China’s exampl...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...