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内部出版物
SpringerLink电子期刊(2)
Elsevier电子期刊(4)
在“
Elsevier电子期刊
”中,
命中:
4
条,耗时:0.02099 秒
在所有数据库中总计命中:
6
条
1.
The heavy plow and the agricultural revolution in Medieval Europe
作者:
Thomas Barnebeck Andersen
barnebeck@sam.sdu.dk" class="auth_mail" title="E-mail the corresponding author
;
Peter
Sandholt
Jens
en
;
psj@sam.sdu.dk" class="auth_mail" title="E-mail the corresponding author
;
Christian Volmar
Skovsgaard
chsko@sam.sdu.dk" class="auth_mail" title="E-mail the corresponding author
关键词:
Agricultural productivity
;
Heavy plow
;
Medieval technology
刊名:Journal of Development Economics
出版年:2016
2.
Nutrient concentrations in stumps and coarse roots of Norway spruce, Scots pine and silver birch in Sweden, Finland and Denmark
作者:
Sofie Hellsten
a
;
sofie.hellsten@ivl.se
;
Heljä
;
-Sisko Helmisaari
b
;
Ylva Melin
c
;
Jens
Peter
Skovsgaard
d
;
Seija Kaakinen
e
;
Mikko Kukkola
e
;
Anna Saarsalmi
e
;
Hans
Peter
sson
c
;
Cecilia Akselsson
f
关键词:
Nutrient concentrations
;
Roots
;
Root wood
;
Root bark
;
Stumps
刊名:Forest Ecology and Management
出版年:2013
3.
Impact of bias in predicted height on tree volume estimation: A case-study of intrinsic nonlinearity
作者:
Rune Ø
;
stergaard Pedersen
;
Jens
Peter
Skovsgaard
关键词:
Bias in regression predictor
;
Box's bias
;
Forest inventory data
;
Intrinsic curvature
;
Nonlinear regression
;
Parameter effects curvature
;
Sample size
;
Wood volume estimation
刊名:Ecological Modelling
出版年:2009
4.
Wood production, litter fall and humus accumulation in a Czech thinning experiment in Norway spruce (Picea abies (L.) Karst.)
作者:
Slodicak
;
Marian
;
Novak
;
Jiri
;
Skovsgaard
;
Jens
Peter
关键词:
Norway spruce
;
Thinning
;
Wood production
;
Humus formation
;
Nutrient cycling
刊名:Forest Ecology and Management
出版年:2005
1
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