Carbon storage and stand conversion in a pine-dominated boreal forest landscape

Park, Andrew

doi:10.1016/j.foreco.2014.12.011

Cited by 19 publications

(18 citation statements)

References 45 publications

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“…Data were analyzed using univariate and multivariate techniques. Exploratory scatter plots and previous analyses (Allard and Park 2013, Park, 2015 suggested that red pine and jack pine data had different variance structures. We therefore used generalized least squares regressions (GLS; Zuur et al 2009) to investigate the effects of dominant overstory species, stand age, canopy closure, litter cover, litter depth, and soil organic matter on stand-level TD and FD indices (Questions 1).…”

Section: Discussionmentioning

confidence: 77%

“…Understory diversity was sampled as part of a larger project to compare ecosystem carbon storage across the jack pine and red pine chronosequence (full details in Park 2015). At each site, living and dead trees ≥ 1.5 m tall were completely enumerated in a 12.62 m radius (500 m 2 ) permanent sampling plot (PSP) that conformed to the design criteria of Manitoba Conservation's Forest Inventory Program (Manitoba Conservation, unpublished document; see Figure 1).…”

Section: Sampling Trees Environment and Understory Vegetationmentioning

confidence: 99%

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Understory species and functional diversity in a chronosequence of jack pine and red pine stands in the south-central boreal forest

Park

Carpenter

2016

Botany

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Dominant tree species and anthropogenic disturbances influence understory taxonomic diversity (TD) and species traits (functional diversity, FD) in managed forests. We compared understory TD and FD in managed jack pine (Pinus banksiana Lamb.) stands and red pine (Pinus resinosa Ait.) plantations. Understory herbs, grasses, shrubs, and nonvascular species were assessed in 1 m2 quadrats on two perpendicular line transects. Data were analyzed using generalised least squares regression, and multivariate fourth corner and RLQ analyses. Although there were few differences in understory species communities, red pine plantations appeared to impose weak environmental filters on TD in ways that were absent from the jack pine stands. Taxonomic diversity declined with age in red pine but not in jack pine, and may have been affected by the accumulation of litter cover in red pine stands. Although vegetation cover was lower in red pine than in jack pine, species richness on a percent cover basis was greater, and saturated at high cover levels in jack pine. Functional richness and evenness were unaffected by overstory species, but high litter cover favoured higher values of functional divergence. These results imply that there was a high level of functional redundancy among species for the suite of traits that we analyzed.

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Section: Discussionmentioning

confidence: 77%

Section: Sampling Trees Environment and Understory Vegetationmentioning

confidence: 99%

Understory species and functional diversity in a chronosequence of jack pine and red pine stands in the south-central boreal forest

Park

Carpenter

2016

Botany

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“…Manuscript to be reviewed (Gao et al 2014;Park 2015). Previous studies found that carbon stock in the understory (shrubs and herbs) decreased with the increase in stand age (Cao et al 2012;Taylor et al 2007).…”

Section: Carbon Allocation and Dynamics In Ecosystem Componentsmentioning

confidence: 99%

Peer Review #1 of "Allocation pattern and accumulation potential of carbon stock in natural spruce forests in northwest China (v0.2)"

2018

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Background The spruce forests are dominant communities in northwest China, and play a key role in national carbon budgets. However, the patterns of carbon stock distribution and accumulation potential across stand ages are poorly documented. Methods We investigated the carbon stocks in biomass and soil in the natural spruce forests in the region by surveys on 39 plots. Biomass of tree components were estimated using allometric equations previously established based on tree height and diameter at breast height, while biomass in understory (shrub and herb) and forest floor were determined by total harvesting method. Fine root biomass was estimated by soil coring technique. Carbon stocks in various biomass components and soil (0-100 cm) were estimated by analyzing the carbon content of each component. Results The results showed that carbon stock in these forest ecosystems can be as high as 510.1 t ha-1 , with an average of 449.4 t ha-1. Carbon stock ranged from 28.1 to 93.9 t ha-1 and from 0.6 to 8.7 t ha-1 with stand ages in trees and deadwoods, respectively. The proportion of shrubs, herbs, fine roots, litter, and deadwoods ranged from 0.1%-1% of the total ecosystem carbon, and was age-independent. Fine roots and deadwood which contribute to about 2% of the biomass carbon should be attached considerable weight in the investigation of natural forests. Soil carbon stock did not show a changing trend with stand age, ranging from 254.2 to 420.0 t ha-1 with an average of 358.7 t ha-1. The average value of carbon sequestration potential for these forests was estimated as 29.4 t ha-1 , with the lower aged ones being the dominant contributor. The maximum carbon sequestration rate was 2.47 t ha-1 year-1 appearing in the growth stage of 37-56 years. Conclusion The carbon stock in biomass was the major contributor to the increment of carbon stock in ecosystems. Stand age is not a good predictor of soil carbon stocks and accurate evaluation of the soil carbon dynamics thus requires long-term monitoring in situ. The results not only revealed carbon stock status and dynamics in these natural forests but were helpful to understand the role of Natural Forest Protection project in forest carbon sequestration as well.

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“…The knowledge of the differences among species in what regards carbon sequestration and effects produced in each carbon pool of the ecosystem, should be a decision support tool when introducing new forest species and can be used strategically to reach environmental goals (Oostra et al, 2006;Schulp et al, 2008;Vallet et al, 2009;Herrero et al, 2016;Chen et al, 2016). Species replacement implies changes in carbon stocks in forest biomass and soils (Peltoniemi et al, 2004;Park, 2015), because tree species and litter quantity, quality and distribution in soil horizons have high influence in carbon storage (Lal, 2005;Oostra et al, 2006;Fonseca and Figueiredo, 2018). Decomposition rate of plant residues can be slower or faster, depending on their nature.…”

Section: Introductionmentioning

confidence: 99%

Impact of tree species replacement on carbon stocks in a Mediterranean mountain area, NE Portugal

Fonseca

Figueiredo

Vilela

et al. 2019

Forest Ecology and Management

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Forest species replacement can influence significantly the amount of carbon stored in the several compartments that compose the terrestrial ecosystems (biomass, forest floor and mineral soil). This study intends to evaluate the influence of the replacement of the Quercus pyrenaica species (QP), which represents the climax vegetation of Serra da Nogueira, NE Portugal, by the Pseudotsuga menziesii (PM) and Pinus nigra (PN) plantations (fast-growing species). For this purpose, three plots of 314 m 2 were established in each stand (9 plots in total) and the height and diameter at the breast height of all trees were measured, in order to characterize the stands and estimate the tree biomass. Herbaceous vegetation and forest floor were collected in areas of 0.49 m 2 in 15 points under each tree species (5 per plot). At the same points, disturbed and undisturbed soil samples were collected at depths 0-5, 5-10, 10-15, 15-20 and 20-30 cm. Thirty years after the climax vegetation replacement, carbon gains are observed in forest species biomass and forest floor (1.3 Mg C ha −1 year −1 in PN and 4.0 Mg C ha −1 year −1 in PM) and significant losses were recorded on soil carbon pool (about 2.2 Mg C ha −1 year −1). Total carbon accumulated is significantly higher in PM (331 Mg C ha −1) compared to PN (246 Mg ha −1) and QP (273 Mg C ha −1), which present statistically similar values. Tree biomass and mineral soil constitute the major carbon pools.

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Carbon storage and stand conversion in a pine-dominated boreal forest landscape

Cited by 19 publications

References 45 publications

Understory species and functional diversity in a chronosequence of jack pine and red pine stands in the south-central boreal forest

Understory species and functional diversity in a chronosequence of jack pine and red pine stands in the south-central boreal forest

Peer Review #1 of "Allocation pattern and accumulation potential of carbon stock in natural spruce forests in northwest China (v0.2)"

Impact of tree species replacement on carbon stocks in a Mediterranean mountain area, NE Portugal

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