Nils Fahlvik
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View article: Thinning effects on stand and dominant trees development in a second rotation hybrid poplar plantation
Thinning effects on stand and dominant trees development in a second rotation hybrid poplar plantation Open
Poplar trees ( Populus species and their hybrids) are commonly cultivated on agricultural land for their high biomass production during the first rotation. However, stand development during the long-term second rotation is less understood.…
View article: Swift adjustment of biomass allocation strategies in Scots pine after thinning
Swift adjustment of biomass allocation strategies in Scots pine after thinning Open
Our study aimed to evaluate the short-term effects of thinning in Scots pine ( Pinus sylvestris L.) forests, with focus on above-ground biomass and allocation patterns within trees to compare between treatments. We have established four tr…
View article: Establishment and development of hybrid aspen and poplar plantations on forest land in southern Sweden after storm Gudrun
Establishment and development of hybrid aspen and poplar plantations on forest land in southern Sweden after storm Gudrun Open
View article: Growth and Yield
Growth and Yield Open
There is still a lack of knowledge on growth and yield (G&Y) in continuous cover forestry (CCF). Most published studies are on the selection system with Norway spruce. Published comparisons of the selection system with rotation forestry (R…
View article: Abandoning conversion from even-aged to uneven-aged forest stands – the effects on production and economic returns
Abandoning conversion from even-aged to uneven-aged forest stands – the effects on production and economic returns Open
There is growing interest in continuous cover forestry in Sweden. The historical domination of even-aged forest management means there is a need to focus on methods for transforming even-aged to uneven-aged stands. Practical conversion man…
View article: Select or Not? Comparing the Impact of Selective and Schematic Thinning on Scots Pine Tree Growth and Stand Structure
Select or Not? Comparing the Impact of Selective and Schematic Thinning on Scots Pine Tree Growth and Stand Structure Open
The first commercial thinning usually entails a high cost in harvest operations and a low resulting income. From a practical forestry perspective, a schematic spatial selection might be more efficient than a selective approach. Therefore, …
View article: Multivariate mixed-effects models for stand characteristics of hybrid aspen plantations in southern Finland and southern Sweden
Multivariate mixed-effects models for stand characteristics of hybrid aspen plantations in southern Finland and southern Sweden Open
Hybrid aspen, a hybrid between the European aspen and North American trembling aspen (Populus tremula L. × P. tremuloides Michx.), is a promising species because of its fast-growth and its suitability for multi-purpose use. However, models…
View article: Pre-Commercial Thinning Increases the Profitability of Norway Spruce Monoculture and Supports Norway Spruce–Birch Mixture over Full Rotations
Pre-Commercial Thinning Increases the Profitability of Norway Spruce Monoculture and Supports Norway Spruce–Birch Mixture over Full Rotations Open
Pre-commercial thinning (PCT) is a common measure in Norway spruce (Picea abies L. Karst.) stands but the profitability of doing PCT and timing of PCT has not been fully investigated over a full rotation. Further, limited knowledge is avai…
View article: Production of genetically improved silver birch plantations in southern and central Sweden
Production of genetically improved silver birch plantations in southern and central Sweden Open
Investing in planting genetically improved silver birch ( Roth) in Swedish plantations requires understanding how birch stands will develop over their entire rotation. Previous studies have indicated relatively low production of birch comp…
View article: Management of spontaneously regenerated mixed stands of birch and Norway spruce in Sweden
Management of spontaneously regenerated mixed stands of birch and Norway spruce in Sweden Open
Timber production and profitability were evaluated for spontaneously-regenerated mixtures on two formerly clearcut areas. The abandoned areas developed into birch-dominated ( Roth and Ehrh.) stands with successional ingrowth of Norway spru…
View article: Annual climate variation modifies nitrogen induced carbon accumulation of<i>Pinus sylvestris</i>forests
Annual climate variation modifies nitrogen induced carbon accumulation of<i>Pinus sylvestris</i>forests Open
We report results from long‐term simulated external nitrogen (N) input experiments in three northern Pinus sylvestris forests, two of moderately high and one of moderately low productivity, assessing effects on annual net primary productio…
View article: Natural Regeneration in a Multi-Layered Pinus sylvestris-Picea abies Forest after Target Diameter Harvest and Soil Scarification
Natural Regeneration in a Multi-Layered Pinus sylvestris-Picea abies Forest after Target Diameter Harvest and Soil Scarification Open
Forest management in Sweden can be characterized by even-aged silviculture heavily relying on three established harvest regimes: clearcutting, the seed-tree method, and the shelterwood system. Less intense, small-scale retention harvest sy…
View article: Modeling early height growth in trials of genetically improved Norway spruce and Scots pine in southern Sweden
Modeling early height growth in trials of genetically improved Norway spruce and Scots pine in southern Sweden Open
Genetically improved Norway spruce ( (L.) Karst.) and Scots pine ( L.) are used extensively in operational Swedish forestry plantations to increase production. Depending on the genetic status of the plant material, the current estimated ge…
View article: Replacing monocultures with mixed-species stands: Ecosystem service implications of two production forest alternatives in Sweden
Replacing monocultures with mixed-species stands: Ecosystem service implications of two production forest alternatives in Sweden Open
View article: Comparison of carbon balances between continuous-cover and clear-cut forestry in Sweden
Comparison of carbon balances between continuous-cover and clear-cut forestry in Sweden Open
View article: Effects of precommercial thinning strategies on stand structure and growth in a mixed even-aged stand of Scots pine, Norway spruce and birch in southern Sweden
Effects of precommercial thinning strategies on stand structure and growth in a mixed even-aged stand of Scots pine, Norway spruce and birch in southern Sweden Open
Four different management strategies were applied to a young mixed stand of Scots pine ( L.), Norway spruce ( (L.) Karst.) and birch ( Roth and Ehrh.) in southern Sweden. All strategies included an initial precommercial thinning to ca. 240…