scholarly journals Adaptive management to climate change for Norway spruce forests along a regional gradient in Finland

2012 ◽  
Vol 118 (2) ◽  
pp. 275-289 ◽  
Author(s):  
Zhen-Ming Ge ◽  
Seppo Kellomäki ◽  
Heli Peltola ◽  
Xiao Zhou ◽  
Hannu Väisänen
Keyword(s):  
Climate Change ◽  
Norway Spruce ◽  
Adaptive Management ◽  
Spruce Forests ◽  
Regional Gradient

Mismatch between the optimal ages for ecosystem productivity and net CO2 sequestration in Norway spruce forests

2021 ◽  
Author(s):  
Junbin Zhao ◽  
Holger Lange ◽  
Helge Meissner
Keyword(s):  
Climate Change ◽  
Primary Production ◽  
Norway Spruce ◽  
Ecosystem Respiration ◽  
Gross Primary Production ◽  
Economic Benefits ◽  
Sink Strength ◽  
Climate Change Scenarios ◽  
Ecosystem Productivity ◽  
Spruce Forests

<p>Forests have climate change mitigation potential since they sequester carbon. However, their carbon sink strength might depend on management. As a result of the balance between CO<sub>2</sub> uptake and emission, forest net ecosystem exchange (NEE) reaches optimal values (maximum sink strength) at young stand ages, followed by a gradual NEE decline over many years. Traditionally, this peak of NEE is believed to be concurrent with the peak of primary production (e.g., gross primary production, GPP); however, in theory, this concurrence may potentially vary depending on tree species, site conditions and the patterns of ecosystem respiration (R<sub>eco</sub>). In this study, we used eddy-covariance (EC)-based CO<sub>2</sub> flux measurements from 8 forest sites that are dominated by Norway spruce (Picea abies L.) and built machine learning models to find the optimal age of ecosystem productivity and that of CO<sub>2</sub> sequestration. We found that the net CO<sub>2</sub> uptake of Norway spruce forests peaked at ages of 30-40 yrs. Surprisingly, this NEE peak did not overlap with the peak of GPP, which appeared later at ages of 60-90 yrs. The mismatch between NEE and GPP was a result of the R<sub>eco</sub> increase that lagged behind the GPP increase associated with the tree growth at early age. Moreover, we also found that newly planted Norway spruce stands had a high probability (up to 90%) of being a C source in the first year, while, at an age as young as 5 yrs, they were likely to be a sink already. Further, using common climate change scenarios, our model results suggest that net CO<sub>2</sub> uptake of Norway spruce forests will increase under the future climate with young stands in the high latitude areas being more beneficial. Overall, the results suggest that forest management practices should consider NEE and forest productivity separately and harvests should be performed only after the optimal ages of both the CO<sub>2</sub> sequestration and productivity to gain full ecological and economic benefits.</p>

Effects of climate change on evapotranspiration and soil water availability in Norway spruce forests in southern Finland: an ecosystem model based approach

Ecohydrology ◽  
2011 ◽  
Vol 6 (1) ◽  
pp. 51-63 ◽  
Author(s):  
Zhen-Ming Ge ◽  
Seppo Kellomäki ◽  
Xiao Zhou ◽  
Kai-Yun Wang ◽  
Heli Peltola ◽  
...  
Keyword(s):  
Climate Change ◽  
Soil Water ◽  
Norway Spruce ◽  
Water Availability ◽  
Ecosystem Model ◽  
Soil Water Availability ◽  
Spruce Forests ◽  
Model Based

scholarly journals Impacts of climate change on primary production and carbon sequestration of boreal Norway spruce forests: Finland as a model

2012 ◽  
Vol 118 (2) ◽  
pp. 259-273 ◽  
Author(s):  
Zhen-Ming Ge ◽  
Seppo Kellomäki ◽  
Heli Peltola ◽  
Xiao Zhou ◽  
Hannu Väisänen ◽  
...  
Keyword(s):  
Climate Change ◽  
Carbon Sequestration ◽  
Primary Production ◽  
Norway Spruce ◽  
Spruce Forests ◽  
Impacts Of Climate Change

Conversion of Norway spruce forests in the face of climate change: a case study in Central Europe

2017 ◽  
Vol 136 (5-6) ◽  
pp. 1013-1028 ◽  
Author(s):  
Tomáš Hlásny ◽  
Ivan Barka ◽  
Joerg Roessiger ◽  
Ladislav Kulla ◽  
Jiří Trombik ◽  
...  
Keyword(s):  
Climate Change ◽  
Norway Spruce ◽  
Central Europe ◽  
Spruce Forests ◽  
The Face

Vulnerability of Norway spruce to climate change in mountain forests of the European Alps

2014 ◽  
Vol 60 (2) ◽  
pp. 119-132 ◽  
Author(s):  
C Hartl-Meier ◽  
C Zang ◽  
C Dittmar ◽  
J Esper ◽  
A Göttlein ◽  
...  
Keyword(s):  
Climate Change ◽  
Norway Spruce ◽  
European Alps ◽  
Mountain Forests
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