专题首页
中图分类法(23)
马克思主义、列宁主义、毛泽东思想、邓小平理论(7)
哲学、宗教(2)
社会科学总论(1)
军事(8)
天文学、地球科学(1)
农业科学(2)
在“
自然资源管理
”中,
命中:
23
条,耗时:0.0319838 秒
1.
Effects of grazing regime on vegetation structure, productivity, soil quality, carbon and nitrogen storage of alpine meadow on the Qinghai-Tibetan Plateau
作者:
Wen Lia
;
Wenxia Caoa
;
caowenxia@foxmail.com
;
Jinlan Wangb
;
Xiaolong Lia
;
Changlin Xua
;
Shangli Shia
关键词:
Alpine meadow
;
Grazing regime
;
Vegetation structure
;
Soil quality
;
Carbon storage
;
Nitrogen storage
刊名:Ecological Engineering
年:2017
2.
Non-native species litter reduces germination and growth of resident forbs and
grass
es: allelopathic, osmotic or mechanical effects?
作者:
A. Loydi (1) (2) T. W. Donath (1) R. L. Eckstein (1) A. Otte (1) 1. Institute of Landscape Ecology and Resource Management
;
Research Centre for BioSystems
;
Land Use and Nutrition (IFZ)
;
Justus-Liebig University Giessen
;
Heinrich-Buff-Ring 26-32
;
35392
;
Giessen
;
Germany 2. Centro de recursos naturales renovables de la zona semi谩rida (CERZOS)
;
CONICET and Departamento de biolog铆a
;
bioqu铆mica y farmacia
;
UNS
;
Camino La Carrindanga Km7
;
B8000FWB
;
Bah铆a Blanca
;
Argentina
关键词:
Allelochemichals
;
Grass
land
;
Heracleum mantegazzianum Somm. et Lev.
;
Impatiens glandulifera Royle
;
Litter leachates
;
Lupinus polyphyllus Lindl.
刊名:Biological Invasions
出版者:Springer Netherlands
年:2015
3.
Experimental Study on Slope Runoff, Erosion and Sediment under Different Vegetation Types
作者:
Xia Zhang (1) (2) Guo Qiang Yu (3) (4) Zhan Bin Li (1) (5) Peng Li (1)
关键词:
Soil erosion
;
Vegetation type
;
Simulated rainfall
;
Regulation mechanism
;
Soil and water conservation function
刊名:Water Resources Management
年:2014
4.
Dynamic changes of lignin contents of MT-1 elephant
grass
and its closely related cultivars
作者:
Xin-Ming Xie
;
a
;
xiexmbs@163.com
;
xiexmbs@scau.edu.cn
;
Xiang-Qian Zhanga
;
Zhao-Xia Donga
;
He-Rong Guoa
关键词:
Cluster analysis
;
Cultivar comparison
;
Dynamic change
;
Energy crop
;
Lignification
;
Pennisetum purpureum Schum
刊名:Biomass and Bioenergy
年:2011
5.
Three California annual forbs show little response to neighbor removal
作者:
E.K. Espeland
;
erin.espeland@ars.usda.gov
关键词:
Facilitation
;
Grass
land
;
Interference competition
;
Resource competition
刊名:Journal of Arid Environments
年:2013
6.
Altitudinal genetic variation in Pinus hartwegii
作者:
Hé
;
ctor Viveros-Viveros
;
Cuauhté
;
moc Sá
;
enz-Romero
;
J. Jesú
;
s Vargas-Herná
;
ndez
;
Javier Ló
;
pez-Upton
;
Gustavo Ramí
;
rez-Valverde
;
Amalio Santacruz-Varela
关键词:
Altitudinal variation
;
Genetic variation
;
Population differentiation
;
Frost damage
;
Grass
-
stage
;
Assisted migration
;
Global warming
;
Seed zones
;
Pinus hartwegii
;
Michoacá
n
刊名:Forest Ecology and Management
年:2009
7.
Low Atmospheric Nitrogen Loads Lead to
Grass
Encroachment in Coastal Dunes, but Only on Acid Soils
作者:
Eva Remke
;
Emiel Brouwer
;
Annemieke Kooijman
;
Irmgard Blindow and Jan G. M. Roelofs
关键词:
Carex arenaria
;
nitrogen deposition
;
species loss
;
Baltic Sea
;
acidification
;
organic matter
刊名:Ecosystems
年:2009
8.
Does undersowing winter wheat with a cover crop increase competition for resources and is it compatible with high yield?
作者:
D. Picard
;
M. Ghiloufi
;
P. Saulas
;
S. de Tourdonnet
关键词:
Cropping system
;
Light interception
;
Nitrogen nutrition
刊名:Field Crops Research
年:2010
9.
Post-fire resource redistribution and fertility island dynamics in shrub encroached desert
grass
lands: a modeling approach
作者:
Sujith Ravi and Paolo D¡¯Odorico
关键词:
Land degradation
;
Desertification
;
Shrub encroachment
;
Soil erosion
;
Fires
刊名:Landscape Ecology
年:2009
10.
Management and climate impacts on net CO2 fluxes and carbon budgets of three
grass
lands along an elevational gradient in Switzerland
作者:
Matthias J. Zeeman
;
Rebecca Hiller
;
Anna K. Gilgen
;
Pavel Michna
;
Peter Plü
;
ss
;
Nina Buchmann
;
Werner Eugster
关键词:
Net ecosystem exchange
;
Eddy covariance
;
Mountain agriculture
;
Swiss Alps
刊名:Agricultural and Forest Meteorology
年:2010
1
2
3
按检索点细分(23)
关键词(1)
摘要(20)
按年细分(23)
2017年(1)
2015年(1)
2014年(1)
2013年(1)
2012年(1)
2011年(1)
2010年(4)
2009年(3)
2008年(1)
2007年(1)
2006年(4)
2005年(1)
2004年(1)
2000年及以前(2)
按来源细分(23)
Elsevier(14)
Springer(9)
按类型细分(23)
期刊(23)