专题首页
中图分类法(331)
马克思主义、列宁主义、毛泽东思想、邓小平理论(169)
哲学、宗教(23)
社会科学总论(15)
军事(81)
文化、科学、教育、体育(1)
文学(1)
天文学、地球科学(9)
农业科学(5)
在“
自然资源管理
”中,
命中:
331
条,耗时:小于0.01 秒
1.
The applicability of empirical vegetation indices for determining
leaf
chlorophyll content over different
leaf
and canopy structures
作者:
H. Croft
;
J.M. Chen
;
Y. Zhang
关键词:
Remote sensing
;
Reflectance
;
Leaf
area index
;
Modelling
;
Needle
leaf
;
Broad
leaf
;
Leaf
biochemistry
刊名:Ecological Complexity
年:March, 2014
2.
Early season root production in relation to
leaf
production among six diverse temperate tree species
作者:
M. Luke McCormack (1) (2) Katie P. Gaines (2) (3) Melissa Pastore (3) (4) David M. Eissenstat (2) (3) 1. Key Laboratory of Ecosystem Network Observation and Modeling
;
Institute of Geographic Sciences and Natural Resources Research
;
Chinese Academy of Sciences
;
11A Datun Road
;
Chaoyang District
;
Beijing
;
100101
;
China 2. Intercollege Graduate Degree Program in Ecology
;
The Pennsylvania State University
;
State College
;
PA
;
16801
;
USA 3. Department of Ecosystem Science and Management
;
The Pennsylvania State University
;
State College
;
PA
;
16801
;
USA 4. Department of Biology
;
Villanova University
;
Villanova
;
PA
;
19085
;
USA
关键词:
Phenology
;
Ecosystem
;
Net primary production (NPP)
;
Minirhizotron
;
Belowground
;
Leaf
area index (LAI)
刊名:Plant and Soil
出版者:Springer Netherlands
年:2015
3.
降水稳定同位素研究的历史与现状——基于文献计量学及网络分析方法
作者:
韦飞黎
;
李双成
;
余武生
;
谢爱丽
;
侯文宇
关键词:
降水稳定同位素
;
Citespace
;
文献计量学
;
网络分析
;
可视化
刊名:生态学报
年:2019
4.
Effects of subsidy quality on reciprocal subsidies: how
leaf
litter species changes frog biomass export
作者:
Julia E. Earl (1) Paula O. Castello (2) Kara E. Cohagen (2) Raymond D. Semlitsch (2)
关键词:
Leaf
litter
;
Tannins
;
Allochthonous
;
Detritus
;
Amphibian larvae
刊名:Oecologia
年:2014
5.
Effects of nitrogen and phosphorus supply on growth rate,
leaf
stoichiometry, and nutrient resorption of Arabidopsis thaliana
作者:
Zhengbing Yan (1) Namyoung Kim (1) Wenxuan Han (2) Yalong Guo (3) Tingshen Han (3) Enzai Du (4) Jingyun Fang (1) 1. Department of Ecology
;
College of Urban and Environmental Sciences
;
Peking University
;
Beijing
;
100871
;
China 2. Key Laboratory of Plant-Soil Interactions
;
Ministry of Education
;
College of Resources and Environmental Sciences
;
China Agricultural University
;
Beijing
;
100193
;
China 3. State Key Laboratory of Systematic and Evolutionary Botany
;
Institute of Botany
;
Chinese Academy of Sciences
;
Beijing
;
100093
;
China 4. College of Resources Science & Technology
;
and State Key Laboratory of Earth Surface Processes and Resource Ecology
;
Beijing Normal University
;
Beijing
;
100875
;
China
关键词:
Arabidopsis thaliana
;
Growth rate
;
N and P stoichiometry
;
Nutrient resorption
刊名:Plant and Soil
出版者:Springer Netherlands
年:2015
6.
Temporal changes in the spatial pattern of
leaf
traits in a Quercus robur population
作者:
Felisa Covelo (1) (2) Jose Manuel ávila (1) Antonio Gallardo (1)
关键词:
Quercus robur
;
Leaf
nitrogen
;
Leaf
phosphorus
;
LMA
;
Total
leaf
polyphenols
;
Geostatistics
;
Nutrient resorption
刊名:Annals of Forest Science
年:2011
7.
Contrasting responses in
leaf
nutrient-use strategies of two dominant grass species along a 30-yr temperate steppe grazing exclusion chronosequence
作者:
Xiao-Tao Lü
;
Grégoire T. Freschet
;
Elena Kazakou
;
Zheng-Wen Wang…
关键词:
Ecological stoichiometry
;
Grazing exclusion
;
N
;
P ratio
;
Nutrient resorption
;
Plant
;
soil feedback
;
Restoration chronosequence
;
Semi
;
arid grassland
;
Species
;
specific response
刊名:Plant and Soil
出版者:Springer Netherlands
年:2015
8.
Forest Stewardship Council (FSC) pesticide policy and integrated pest management in certified tropical plantations
作者:
Pedro Guilherme Lemes
;
José Cola Zanuncio…
关键词:
Certification
;
Derogation
;
Forest entomology
;
IPM
;
Pesticides
;
Sulfluramid
刊名:Environmental Science and Pollution Research
出版者:Springer Berlin Heidelberg
年:2017
9.
Development of an app for estimating
leaf
area index using a smartphone. Trueness and precision determination and comparison with other indirect methods
作者:
R. Confalonieri
;
M. Foi
;
R. Casa
;
S. Aquaro
;
E. Tona
;
M. Peterle
;
A. Boldini
;
G. De Carli
;
A. Ferrari
;
G. Finotto
;
T. Guarneri
;
V. Manzoni
;
E. Movedi
;
A. Nisoli
;
L. Paleari
;
I. Radici
;
M. Suardi
;
D. Veronesi
;
S. Bregaglio
;
G. Cappelli
;
et al.
关键词:
Leaf
area index
;
LAI-2000
;
AccuPAR
;
app
;
Smartphone
;
Accuracy
刊名:Computers and Electronics in Agriculture
年:2013
10.
Some morphological and fruit characteristics of naturally grown Pyrus elaeagrifolia Pall. of Kayseri Province (Central Anatolia, Turkey)
作者:
Kadir Ugurtan Yilmaz
;
Aydin Uzun
;
Mustafa Cam…
关键词:
Anatolia
;
Fruit ripening and morphology
;
Pyrus elaeagrifolia Pall.
;
Oleaster
;
leaf
ed pear
刊名:Genetic Resources and Crop Evolution
出版者:Springer Netherlands
年:2015
1
2
3
4
5
6
7
8
9
按检索点细分(331)
题名(38)
关键词(70)
摘要(314)
按年细分(331)
2031年及以后(7)
2019年(1)
2017年(6)
2016年(9)
2015年(18)
2014年(15)
2013年(21)
2012年(32)
2011年(16)
2010年(13)
2009年(31)
2008年(21)
2007年(11)
2006年(19)
2005年(19)
2004年(12)
2003年(18)
2002年(7)
2001年(9)
2000年(7)
2000年及以前(39)
按来源细分(331)
知网(1)
Elsevier(229)
Springer(101)
按类型细分(331)
期刊(331)