专题首页
中图分类法(4)
马克思主义、列宁主义、毛泽东思想、邓小平理论(1)
哲学、宗教(1)
军事(2)
在“
自然资源管理
”中,
命中:
4
条,耗时:小于0.01 秒
1.
The spatial distribution of threats to plant species with
extremely
small
populations
作者:
Chunjing Wang
;
Jing Zhang
;
Jizhong Wan
;
Hong Qu
;
Xianyun Mu…
关键词:
threatened plant species
;
extremely
small
populations
;
climate
;
protection value
;
human activities
;
China
刊名:Frontiers of Earth Science
出版者:Higher Education Press
年:2017
2.
Effects of forest restoration treatments on the abundance of bark beetles in Norway spruce forests of southern Finland
作者:
Tero Toivanen
;
Veli Liikanen
;
Janne S. Kotiaho
关键词:
Boreal forests
;
Controlled burning
;
Dead wood
;
Harvesting
;
Pest management
;
Scolytinae
刊名:Forest Ecology and Management
年:2009
3.
Pragmatic management increases a flagship species, the Himalayan brown bears, in Pakistan’s Deosai National Park
作者:
Muhammad Ali Nawaz
;
Jon E. Swenson
;
Vaqar Zakaria
关键词:
Demography
;
Pakistan
;
Population growth
;
Protected area
;
Reproduction
;
Ursus arctos
刊名:Biological Conservation
年:2008
4.
Primate Population Densities and Sizes in Atlantic Forest Remnants of Northern Espírito Santo, Brazil
作者:
Chiarello
;
Adriano G.
;
de Melo
;
Fabiano R.
关键词:
primate densities
;
population size
;
Atlantic forest
;
forest fragmentation
;
Brazil
刊名:International Journal of Primatology
年:2001
1
按检索点细分(4)
题名(1)
关键词(1)
摘要(4)
按年细分(4)
2017年(1)
2009年(1)
2008年(1)
2001年(1)
按来源细分(4)
Elsevier(2)
Springer(2)
按类型细分(4)
期刊(4)