专题首页
中图分类法(846)
马克思主义、列宁主义、毛泽东思想、邓小平理论(208)
哲学、宗教(41)
社会科学总论(97)
军事(296)
自然科学总论(1)
天文学、地球科学(101)
农业科学(38)
在“
自然资源管理
”中,
命中:
846
条,耗时:小于0.01 秒
1.
Analyzing size-symmetric vs. size-asymmetric and intra- vs. inter-specific competition in beech (Fagus sylvatica L.) mixed stands
作者:
Miren del Rí
;
oa
;
b
;
delrio@inia.es" class="auth_mail
;
Sonia Condé
;
sc
;
Hans Pretzschd
关键词:
Species interactions
;
Tree basal area growth
;
Competitive reduction
;
Tree size-growth relationships
;
Above
and belowground resources
刊名:Forest Ecology and Management
年:41852
2.
Potential matrix metalloproteinase inhibitors from edible marine algae: A review
作者:
Noel Vinay Thomasa
;
Panchanathan Manivasagana
;
Se-Kwon Kima
;
b
;
sknkim@pknu.ac.kr" class="auth_mail
关键词:
Marine algae
;
Matrix metalloproteinases
;
Phlorotannins
;
Sulfated polysaccharides
;
Metastasis
;
Cancer
;
Inflammation
刊名:Environmental Toxicology and Pharmacology
年:41760
3.
Closed-form analytical solutions incorporating pumping and tidal effects in various coastal aquifer systems
作者:
Chaoyue Wang
;
Hailong Li
;
hailongli@cugb.edu.cn" class="auth_mail
;
Li Wan
;
Xusheng Wang
;
Xiaowei Jiang
关键词:
Coastal aquifer
;
Tidal effect
;
Pumping well
;
Groundwater level fluctuations
;
Well function
;
Image methods
刊名:Advances in Water Resources
年:41821
4.
Pervasive, long-lasting impact of historical logging on composition, diversity and
above
ground carbon stocks in Afrotemperate forest
作者:
Hylton Adie
;
Ian Rushworth
;
Michael J. Lawes
关键词:
Primary forest
;
Secondary forest
;
Forest recovery
;
Degradation
;
Above
ground biomass
;
Podocarpaceae
刊名:Forest Ecology and Management
年:15 December, 2013
5.
Nitrogen Uptake in an Alpine Kobresia Pasture on the Tibetan Plateau: Localization by 15N Labeling and Implications for a Vulnerable Ecosystem
作者:
Per-Marten Schleuss
;
Felix Heitkamp
;
Yue Sun
;
Georg Miehe
;
Xingliang Xu…
关键词:
Kobresia pygmaea
;
root activity
;
root biomass
;
plant strategy
;
above
;
belowground trade
;
offs
;
15N partitioning
;
pasture degradation
刊名:Ecosystems
出版者:Springer New York
年:2015
6.
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
7.
A 3-SPS-1S parallel robot-based laser sensing for applications in precision agriculture
作者:
Ricardo Zavala-Yoe
;
Ricardo A. Ramírez-Mendoza
;
Silverio García-Lara
关键词:
Precision agriculture
;
Parallel robots
;
Nonlinear control
刊名:Soft Computing
出版者:Springer Berlin Heidelberg
年:2017
8.
Rehabilitating mussel beds in Coffee Bay, South Africa: Towards fostering cooperative small-scale fisheries governance and enabling community upliftment
作者:
Gurutze Calvo-Ugarteburu
;
Serge Raemaekers
;
Christina Halling
关键词:
Community upliftment
;
Fisheries governance
;
Mussel rehabilitation
;
Perna perna
;
Small
;
scale fisheries
刊名:Ambio
出版者:Springer Netherlands
年:2017
9.
Simulating research on pressure distribution of floor pore water based on fluid-solid coupling
作者:
Weijia Guo
;
Jinhai Zhao
;
Liming Yin
;
Dezhi Kong
关键词:
Coal seam floor
;
Energy dissipation and poroelastic models
;
Water inrush
;
Rock mechanical properties
;
Numerical simulation
;
Coal floor mechanical model
刊名:Arabian Journal of Geosciences
出版者:Springer Berlin Heidelberg
年:2017
10.
Climate change and the potential spread of Sorghum halepense in the central area of Argentina based on growth, biomass allocation and eco-physiological traits
作者:
Eduardo Sixto Leguizam贸n…
关键词:
Johnson grass
;
Global warming
;
Above
ground biomass
;
Relative growth rate
;
Weed potential spread
;
Physiological traits
;
Seeds
;
Rhizomes
刊名:Theoretical and Experimental Plant Physiology
出版者:Springer International Publishing
年:2014
1
2
3
4
5
6
7
8
9
按检索点细分(846)
题名(11)
关键词(10)
摘要(837)
按年细分(846)
2031年及以后(19)
2017年(4)
2016年(61)
2015年(49)
2014年(43)
2013年(88)
2012年(68)
2011年(49)
2010年(57)
2009年(56)
2008年(43)
2007年(50)
2006年(43)
2005年(34)
2004年(28)
2003年(19)
2002年(16)
2001年(16)
2000年(28)
2000年及以前(75)
按来源细分(846)
Elsevier(512)
Springer(334)
按类型细分(846)
期刊(846)