Response of Mineral Soil Carbon to Clear-Cutting in a Northern Hardwood Forest

Vario, C.; Neurath, Rachel; Friedland, Andrew J.

doi:10.2136/sssaj2013.06.0226

Cited by 18 publications

(20 citation statements)

References 54 publications

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“…For the commercial clearcut, the correlation between coarse fragment volume and mineral soil C stocks was positive but rather weak. Hence, in some instances, C storage may not be precluded by high coarse fragment content, as suggested by Vario et al (2014).…”

Section: Discussionmentioning

confidence: 99%

“…However, there is concern about how the type of forest management used to achieve these goals will affect soil C pools and productivity (Johnson and Curtis 2001;Jandl et al 2007;Berger et al 2013). Although much research has been conducted on the influence of clearcutting on the mineral soil C pool Petrenko and Friedland 2014;Vario et al 2014), less attention has been focused on the influence of other even-aged silvicultural systems and repeated partial harvesting. Furthermore, the studies that have compared the influence of various silvicultural and harvesting treatments on soil C pools (see, for example, Chatterjee et al (2009) ;Powers et al (2011)), rarely consider the potential effect of other soil properties besides C concentrations on these comparisons.…”

Section: Introductionmentioning

confidence: 99%

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Evaluation of forest management effects on the mineral soil carbon pool of a lowland, mixed-species forest in Maine, USA

2016

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Concerns about climate change have increased interest in ways to maximize carbon (C) storage in forests through the use of alternative forest management strategies. However, the influence of these strategies on soil C pools is unclear. The primary objective of this study was to test for differences in mineral soil C stocks among various silvicultural and harvesting treatments that were initiated in the 1950s and have been maintained since on the Penobscot Experimental Forest in central Maine, USA. Five mineral soil cores below the surface organic horizon to a depth of 1 m were collected from each replicate (n = 2) of selection, shelterwood, and commercial clearcut treatments. For these treatments, the mean mineral soil C stock was 47.7 ± 16.4 Mg ha −1 (mean ± SD). We found no significant differences in average mineral soil C stocks among treatments. However, a post hoc power analysis indicated that the probability of detecting a significant treatment effect was only 6%. We determined that 98 stands per treatment would be required to be 80% certain that the F test would detect a difference in average mineral soil C stocks whenever any pair of treatments had C stocks differing by more than 5 Mg ha −1 .Key words: soil carbon variability, silviculture, coarse fragments.Résumé : Les préoccupations associées au changement climatique ont accru l'intérêt pour les façons dont on pourrait stocker un maximum de carbone (C) dans les forêts en recourant à de nouvelles stratégies de gestion. Malheureusement, on connaît mal l'influence de telles stratégies sur les réserves de C du sol. La présente étude devait essentiellement vérifier la fluctuation de ces réserves en fonction des méthodes de sylviculture et de récolte lancées dans les années 1950 et maintenues depuis, dans la forêt expérimentale de Penobscot, dans le centre du Maine, aux États-Unis. Les chercheurs ont prélevé cinq carottes de sol minéral sous l'horizon organique de surface à un mètre de profondeur sur chaque parcelle forestière (n = 2) de coupe jardinatoire, de coupe progressive et de coupe à blanc commerciale. Les réserves de C minéral dans le sol des parcelles correspondant à ces différents traitements s'élevaient en moyenne à 47,7 ± 16,4 Mg ha −1 (moyenne É.-T.). Les réserves moyennes de C minéral dans le sol ne varient pas de manière significative d'un traitement à l'autre. Cependant, une analyse de puissance ultérieure a révélé que la probabilité de déceler un effet significatif attribuable au traitement n'était que de 6 %. Les auteurs estiment qu'il faudrait examiner 98 peuplements par traitement pour être sûr à 80 % que le test F détecterait un écart dans les réserves moyennes de C minéral, chaque fois que ces dernières varient de plus de 5 Mg ha −1 entre deux traitements. [Traduit par la Rédaction]Mots-clés : variabilité du carbone dans le sol, sylviculture, fragments grossiers.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Evaluation of forest management effects on the mineral soil carbon pool of a lowland, mixed-species forest in Maine, USA

2016

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“…All stands were low-elevation (304 m) northern hardwoods, composed of Betula papyrifera Marsh., Betula alleghaniensis Britton, Populus species, Fagus grandifolia Ehrh., and Acer saccharum Marsh. (Vario et al, 2014). All soils analyzed were well-drained Spodosols (Leak, 1991;Zummo and Friedland, 2011).…”

Section: Study Sitesmentioning

confidence: 99%

“…Microsites were at least 10 m apart from each other, free of recently formed pit and mound topography, at least 1 m in distance from the nearest tree, and had ground slope of less than 10 degrees (Vario et al, 2014). Except for the Mature stand, all soils were collected using a gas-powered auger (Earthquake 9800B; Ardisam, Cumberland, WI) with a diamond-tipped, 9.5-cm-diameter drill bit and extension tube (Tools Direct Premium Red Diamond Drill Bit; Tools Direct of North America, Inc., Kennesaw, GA).…”

Section: Soil Collectionmentioning

confidence: 99%

“…The data presented here represent 18 deep soil cores and three quantitative soil pits, which were pooled to nine samples, three Mature and six Cut, per depth interval. Additional field methods and results of bulk density, sample transport, texture, and acidity analyses are reported in Vario et al (2014) and Petrenko and Friedland (2014). Results of these measures are listed in Tables 1 and 2.…”

Section: Soil Collectionmentioning

confidence: 99%

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Evidence for Losses From Strongly Bound SOM Pools After Clear Cutting in a Northern Hardwood Forest

2016

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Forest soils in the northeastern United States store considerable amounts of carbon (C). With the increasing utilization of biomass as a "Cneutral" form of energy in the United States, these forests are susceptible to clear cutting and large losses of soil organic matter (SOM) to the atmosphere as carbon dioxide (CO 2 ). The relative stability versus susceptibility of SOM to degradation can be approximated, in part, through the strength of organo-mineral interactions, that is, the strength of binding between SOM and mineral surfaces in the soil. This study investigated differences in SOM organo-mineral binding between northern hardwood forest stands with varying clear-cutting histories in Bartlett Experimental Forest in Bartlett, New Hampshire. Sequential chemical extractions were performed to quantify SOM storage in organo-mineral pools of various binding strength. In this case study, soils from Mature forest stands stored significantly more SOM in strongly mineral-bound and stable C pools than soils from Cut stands did. Differences in the relative distribution of C in organo-mineral pools in Mature and Cut forests may inform our understanding of SOM bioavailability, microbial decomposition, and CO 2 production in ecosystems after clear cutting. These findings should contribute to discussions on long-term SOM stability in northeastern U.S. soils.

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Decadal‐scale changes in forest soil carbon and nitrogen storage are influenced by organic matter removal during timber harvest

Mushinski

Boutton

2017

JGR Biogeosciences

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This study investigates whether different intensities of organic matter removal associated with timber harvest influence decadal‐scale storage of soil organic carbon (SOC) and total nitrogen (TN) in the top 1 m of mineral soil 18 years postharvest in a Pinus taeda L. forest in the Gulf Coastal Plain. We quantified forest harvest‐related changes in SOC, TN, microbial biomass carbon (MBC), and nitrogen (MBN) pools (0–100 cm) in unharvested control stands and in two organic matter removal treatment stands subjected to either (i) merchantable bole/stem‐only harvest or (ii) whole‐tree harvest + forest floor removal. In addition, δ13C of SOC and δ15N of TN were measured in mineral soil to provide insights regarding mechanisms that might explain changes in SOC and TN pool sizes. Soils were sampled seasonally for 1 year. Increasing organic matter removal intensity reduced SOC, TN, MBC, and MBN relative to the unharvested control. Furthermore, soils from whole‐tree harvest + forest floor removal stands had lower δ13C and higher δ15N values, suggesting that increasing organic matter removal may decrease heterotrophic activity as well as increase rates of N loss. Seasonal variabilities in SOC and TN were correlated to changes in forest biological properties such as root biomass and forest floor mass. These results indicate that more intensive harvest methods may lead to decade‐scale decreases in SOC and TN storage in surface and subsurface soils which could influence rates of biogeochemical processes, the availability of soil nutrients, and potential forest productivity.

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Response of Mineral Soil Carbon to Clear-Cutting in a Northern Hardwood Forest

Cited by 18 publications

References 54 publications

Evaluation of forest management effects on the mineral soil carbon pool of a lowland, mixed-species forest in Maine, USA

Evaluation of forest management effects on the mineral soil carbon pool of a lowland, mixed-species forest in Maine, USA

Evidence for Losses From Strongly Bound SOM Pools After Clear Cutting in a Northern Hardwood Forest

Decadal‐scale changes in forest soil carbon and nitrogen storage are influenced by organic matter removal during timber harvest

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