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马克思主义、列宁主义、毛泽东思想、邓小平理论(5)
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在“
自然资源管理
”中,
命中:
11
条,耗时:小于0.01 秒
1.
Integrating sheep grazing into wheat-fallow systems: Crop yield and soil properties
作者:
Andrew W. Lenssena
;
alenssen@iastate.edu
;
Upendra M. Sainjub
;
Patrick G. Hatfieldc
关键词:
Cropping systems
;
Semiarid
;
Northern
Great
Plains
;
Tilled summer fallow
;
Chemical fallow
;
Grazed summer fallow
;
Spring wheat
;
Winter wheat
;
Sheep
;
Integrated livestock and grain farming systems
刊名:Field Crops Research
年:2013
2.
Rapid expansion of croplands in Chihuahua, Mexico threatens declining North American grassland bird species
作者:
Duane B. Poola
;
duane.pool@rmbo.org" class="auth_mail
;
Arvind O. Panjabia
;
Alberto Macias-Duartea
;
b
;
Deanna M. Solhjemc
;
1
关键词:
Desert grasslands
;
Grassland birds
;
Land-use change
;
Biodiversity
;
Habitat loss
;
Wintering habitat
;
Remote sensing
;
Chihuahuan Desert
;
Grassland Priority Conservation Areas
;
GPCA
刊名:Biological Conservation
年:February, 2014
3.
Future U.S. wildfire potential trends projected using a dynamically downscaled climate change scenario
作者:
Yongqiang Liu
;
yliu@fs.fed.us
;
Scott L. Goodrick
;
John A. Stanturf
关键词:
Wildfire
;
Climate change
;
Keetch&ndash
;
Byram Drought Index (KBDI)
;
modified Fosberg Fire Weather Index (mFFWI)
;
Continental U.S.
刊名:Forest Ecology and Management
年:2013
4.
Temporal and Spatial Variation in Regional Climate and its Impact on Runoff in Xinjiang, China
作者:
Hongbo Ling (1) (2) Hailiang Xu (1) Jinyi Fu (1) (2)
关键词:
Climate change
;
Water resources
;
Periodic change
;
Nonparametric test
;
Wavelet analysis
刊名:Water Resources Management
年:2013
5.
CO2 Storage Resource Potential of the Cambro-ordovician Saline System in the we Stern Interior of North America
作者:
W.D. Peck
;
S. Bachu
;
D.J. Knudsen
;
T. Hauck
;
C.M. Crotty
;
C.D. Gorecki
;
J.A. Sorensen
;
J. Peterson
;
A. Melnik
刊名:Energy Procedia
年:2013
6.
Environmental effects of oil and gas lease sites in a grassland ecosystem
作者:
Lawrence C. Nasen
;
Bram F. Noble
;
Jill F. Johnstone
关键词:
Petroleum and Natural Gas (PNG)
;
Environmental Assessment (EA)
;
Follow-up
;
Grassland(s)
;
Ecology
;
Cumulative Effects Assessment
刊名:Journal of Environmental Management
年:2011
7.
Interannual variation of evapotranspiration from forest and grassland ecosystems in western canada in relation to drought
作者:
Tianshan Zha
;
Alan G. Barr
;
Garth van der Kamp
;
T. Andy Black
;
J. Harry McCaughey
;
Lawrence B. Flanagan
关键词:
evapotranspiration
;
boreal forest
;
grassland
;
interannual variability
;
drought
刊名:Agricultural and Forest Meteorology
年:2010
8.
Climate-induced changes in surface runoff on the North-Eurasian
plains
during the late glacial and Holocene
作者:
A. Yu. Sidorchuk
;
A. V. Panin and O. K. Borisova
刊名:Water Resources
年:2008
9.
Root responses to nutrient patches in grassland and forest
作者:
Sarah E. L. Moar and Scott D. Wilson
关键词:
Forest
;
Grassland
;
Heterogeneity
;
Nitrogen
;
Resources
刊名:Plant Ecology
年:2006
10.
Soil Quality: A Review of the Science and Experiences in the USA
作者:
Wienhold
;
B.J.
;
Andrews
;
S.S.
;
Karlen
;
D.L.
关键词:
grazing
;
soil assessment
;
soil function
;
soil management
;
soil quality index
刊名:Environmental Geochemistry and Health
年:2004
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