Resilience of understory vegetation after variable retention felling in boreal Norway spruce forests – A ten-year perspective

2017 ◽  
Vol 393 ◽  
pp. 12-28 ◽  
Author(s):  
Ilkka Vanha-Majamaa ◽  
Ekaterina Shorohova ◽  
Helena Kushnevskaya ◽  
Jyrki Jalonen
Keyword(s):  
Norway Spruce ◽  
Understory Vegetation ◽  
Spruce Forests ◽  
Variable Retention

scholarly journals Managing Understory Vegetation for Maintaining Productivity in Black Spruce Forests: A Synthesis within a Multi-Scale Research Model

Forests ◽  
2013 ◽  
Vol 4 (3) ◽  
pp. 613-631 ◽  
Author(s):  
Nelson Thiffault ◽  
Nicole Fenton ◽  
Alison Munson ◽  
François Hébert ◽  
Richard Fournier ◽  
...  
Keyword(s):  
Black Spruce ◽  
Understory Vegetation ◽  
Research Model ◽  
Spruce Forests ◽  
Multi Scale

scholarly journals Assessing the resilience of Norway spruce forests through a model-based reanalysis of thinning trials

2017 ◽  
Vol 388 ◽  
pp. 3-12 ◽  
Author(s):  
Rupert Seidl ◽  
Friedrich Vigl ◽  
Günter Rössler ◽  
Markus Neumann ◽  
Werner Rammer
Keyword(s):  
Norway Spruce ◽  
Spruce Forests ◽  
Model Based

Conversion of Norway spruce forests will reduce organic carbon pools in the mountain soils of SW Poland

Geoderma ◽  
2014 ◽  
Vol 213 ◽  
pp. 287-295 ◽  
Author(s):  
Bernard Galka ◽  
Beata Labaz ◽  
Adam Bogacz ◽  
Oskar Bojko ◽  
Cezary Kabala
Keyword(s):  
Organic Carbon ◽  
Norway Spruce ◽  
Carbon Pools ◽  
Mountain Soils ◽  
Spruce Forests ◽  
Sw Poland

Influence of disturbances and climate on high-mountain Norway spruce forests in the Low Tatra Mts., Slovakia

2016 ◽  
Vol 380 ◽  
pp. 128-138 ◽  
Author(s):  
Zuzana Parobeková ◽  
Denisa Sedmáková ◽  
Stanislav Kucbel ◽  
Ján Pittner ◽  
Peter Jaloviar ◽  
...  
Keyword(s):  
Norway Spruce ◽  
High Mountain ◽  
Spruce Forests ◽  
Tatra Mts

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>

The effects of fertilization on the health status, nutrition and growth of Norway spruce forests with yellowing symptoms

2019 ◽  
Vol 34 (4) ◽  
pp. 267-281 ◽  
Author(s):  
Stanislav Vacek ◽  
Zdeněk Vacek ◽  
Iva Ulbrichová ◽  
Jiří Remeš ◽  
Vilém Podrázský ◽  
...  
Keyword(s):  
Health Status ◽  
Norway Spruce ◽  
Spruce Forests

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
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