Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

Chen, Jiquan; Xu, Jing; Jensen, Randy G.; Kabrick, John M.

doi:10.3832/ifor1349-007

Cited by 5 publications

(5 citation statements)

References 33 publications

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“…Similar to many previous studies (e.g., [13,58,59]), our results indicate that only a few species contributed to most of the tree biomass within the study area. Although the plot had 51 species, only five species accounted for 78.4% of the biomass and only 10 species accounted for 91.1% of the biomass.…”

Section: Discussionsupporting

confidence: 91%

Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Wang

Knapp

2019

Forests

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A thorough understanding of carbon storage patterns in forest ecosystems is crucial for forest management to slow the rate of climate change. Here, we explored fine-scale biomass spatial patterns in a secondary warm temperate deciduous broad-leaved forest in north China. A 20-ha plot was established and classified by topographic features into ridge, valley, gentle slope, and steep slope habitats. Total tree biomass varied from 103.8 Mg/ha on the gentle slope habitats to 117.4 Mg/ha on the ridge habitats, with an average biomass of 109.6 Mg/ha across the entire plot. A few species produced the majority of the biomass, with five species contributing 78.4% of the total tree biomass. These five species included Quercus mongolica Fisch. ex Ledeb (41.7 Mg/ha, 38.1%), Betula dahurica Pall. (19.8 Mg/ha, 18.0%), Acer mono Maxim. (12.6 Mg/ha, 11.5%), Betula platyphylla Suk. (7.0 Mg/ha, 6.4%), and Populus davidiana Dode. (4.8 Mg/ha, 4.4%). The five species were also associated with certain habitats; for example, Q. mongolica was positively associated with the ridge habitat and A. mono was positively associated with the valley habitat. Results from this work document the variability in forest biomass across a warm temperate forest ecosystem of north China, with implications for managing and accounting forest carbon.

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Section: Discussionsupporting

confidence: 91%

Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Wang

Knapp

2019

Forests

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“…While passive or low-intensity management options have been found to yield the greatest carbon storage benefit, assuming no inclusion of substitution effects (Nunery and Keeton 2010) or elevated disturbance risks (Hurteau et al 2016), we suggest the consideration of SCE to enhance carbon storage. Multiple studies have explored co-benefits provided by management for or retention of elements of stand structural complexity, including residual large living and dead trees, horizontal variability, and downed CWM (Angers et al 2005, Schwartz et al 2005, Dyer et al 2010, Gronewold et al 2012, Chen et al 2015. Silvicultural treatments can effectively integrate both carbon and late-successional biodiversity objectives through SCE based on this study and previous research (e.g., Dove and Keeton 2015).…”

Section: Implications For Adaptive Forest Carbon Management Integratimentioning

confidence: 81%

“…, Chen et al. ). Silvicultural treatments can effectively integrate both carbon and late‐successional biodiversity objectives through SCE based on this study and previous research (e.g., Dove and Keeton ).…”

Section: Discussionmentioning

confidence: 99%

“…However, soil carbon responses to forest management have varied globally (Johnson and Curtis 2011), in some cases showing declines correlated with management intensity (Bucholz et al 2014) and other times showing little response to management (Nave et al 2011). Silvicultural treatments that enhance carbon storage while providing other co-benefits, such as latesuccessional biodiversity associated with stand structural complexity, are of interest both domestically and abroad (e.g., Gustafsson et al 2012, Ducey et al 2013, Chen et al 2015. Prior studies (Angers et al 2005, Bauhus et al 2009, Puettmann et al 2015 suggest that silvicultural treatments promoting or accelerating the development of late-successional structure may offer particular potential for this type of multi-functional forestry.…”

Section: Introductionmentioning

confidence: 99%

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Enhanced carbon storage through management for old‐growth characteristics in northern hardwood‐conifer forests

Ford

Keeton

2017

Ecosphere

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Citation: Ford, S. E., and W. S. . Enhanced carbon storage through management for old-growth characteristics in northern hardwood-conifer forests. Ecosphere 8(4):e01721. 10. 1002/ecs2.1721 Abstract. Forest management practices emphasizing stand structural complexity are of interest across the northern forest region of the United States because of their potential to enhance carbon storage. Our research is part of a long-term study evaluating silvicultural treatments that promote late-successional forest characteristics in northern hardwood-conifer forests. We are testing the hypothesis that aboveground biomass development (carbon storage) is greater in structural complexity enhancement (SCE) treatments when compared to conventional uneven-aged treatments. Structural complexity enhancement treatments were compared against selection systems (single-tree and group) modified to retain elevated structure. Manipulations and controls were replicated across 2-ha treatment units at two study areas in Vermont, United States. Data on aboveground biomass pools (live trees, standing dead, and downed wood) were collected pre-and post-treatment, then again a decade later. Species group-specific allometric equations were used to estimate live and standing dead biomass, and downed log biomass was estimated volumetrically. We used the Forest Vegetation Simulator to project "no-treatment" baselines specific to treatment units, allowing measured carbon responses to be normalized against differences in site characteristics affecting tree growth and pre-treatment stand structure. Results indicate that biomass development and carbon storage 10 yr post-treatment were greatest in SCE treatments compared to conventional treatments, with the greatest increases in coarse woody material (CWM) pools. Structural complexity enhancement treatments contained 12.67 Mg/ha carbon in CWM compared to 6.62 Mg/ha in conventional treatments and 8.84 Mg/ha in areas with no treatment. Percentage differences between post-treatment carbon and simulated/projected baseline values indicate that carbon pool values in SCE treatments returned closest to pre-harvest or untreated levels over conventional treatments. Total carbon storage in SCE aboveground pools was 15.90% less than that projected for no-treatment compared to 44.94% less in conventionally treated areas. Results from classification and regression tree models indicated treatment as the strongest predictor of aboveground C storage followed by site-specific variables, suggesting a strong influence of both on carbon pools. Structural enhancement treatments have the potential to increase carbon storage in managed northern hardwoods. They offer an alternative for sustainable management integrating carbon, associated climate change mitigation benefits, and late-successional forest structure and habitat.

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“…This value comes from biomass data based on forest inventories at the Harvard Forest site in the northeastern US (Munger & Wofsy, 2020), which was assumed as a typical value for temperate deciduous forests in the US. Although there is not an overall biomass estimate for the Missouri Ozarks site, studies of other Missouri forests have found biomass ranging from 5 to 20 kg/m 2 (Chen et al., 2015; Hanberry et al., 2016; Q. Li et al., 2007).…”

Section: Methodsmentioning

confidence: 99%

Constraining Plant Hydraulics With Microwave Radiometry in a Land Surface Model: Impacts of Temporal Resolution

Holtzman,

Wang,

Wood

et al. 2023

Water Resources Research

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Vegetation water content (VWC) plays a key role in transpiration, plant mortality, and wildfire risk. Although land surface models now often contain plant hydraulics schemes, there are few direct VWC measurements to constrain these models at global scale. One proposed solution to this data gap is passive microwave remote sensing, which is sensitive to temporal changes in VWC. Here, we test that approach by using synthetic microwave observations to constrain VWC and surface soil moisture within the Climate Modeling Alliance Land model. We further investigate the possible utility of sub‐daily observations of VWC, which could be obtained through a satellite in geostationary orbit or combinations of multiple satellites. These high‐temporal‐resolution observations could allow for improved determination of ecosystem parameters, carbon and water fluxes, and subsurface hydraulics, relative to the currently available twice‐daily sun‐synchronous observational patterns. We find that incorporating observations at four different times in the diurnal cycle (such as could be available from two sun‐synchronous satellites) provides a significantly better constraint on water and carbon fluxes than twice‐daily observations do. For example, the root mean square error of projected evapotranspiration and gross primary productivity during drought periods was reduced by approximately 40%, when using four‐times‐daily relative to twice‐daily observations. Adding hourly observations of the entire diurnal cycle did not further improve the inferred parameters and fluxes. Our comparison of observational strategies may be informative in the design of future satellite missions to study plant hydraulics, as well as when using existing remotely sensed data to study vegetation water stress response.

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Changes in aboveground biomass following alternative harvesting in oak-hickory forests in the eastern USA

Cited by 5 publications

References 33 publications

Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Topography Affects Tree Species Distribution and Biomass Variation in a Warm Temperate, Secondary Forest

Enhanced carbon storage through management for old‐growth characteristics in northern hardwood‐conifer forests

Constraining Plant Hydraulics With Microwave Radiometry in a Land Surface Model: Impacts of Temporal Resolution

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