The soil organic carbon in particle-size separates under different regrowth forest stands of north eastern Costa Rica

Jiménez, Juan J.; Lal, Rattan; Russo, Ricardo O.; Leblanc, Humberto A.

doi:10.1016/j.ecoleng.2008.07.001

Cited by 40 publications

(20 citation statements)

References 47 publications

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“…Neufeldt et al, 2002;Bautista-Cruz and del Castillo, 2005;Davis et al, 2007;Smal and Olszewska, 2008). Controversial conclusions concerning the effects of afforestation on soil C and N pools may be related to various factors, such as climate impacting and spatial heterogeneity (Cao et al, 2010a;Wang and Cao, 2011;Xiong et al, 2014), the years of afforestation (Cao, 2008;Jiménez et al, 2008;Dou et al, 2013), plantation species (Huang et al, 2011;Cao et al, 2011;Tang and Li, 2013), and land use conditions (Xiong et al, 2014). For example, Wang and Cao (2011) have reported that afforestation may initially increase forest cover, but its impact on carbon sequestration may be occasionally negative influence.…”

Section: Discussionmentioning

confidence: 94%

“…Accordingly, insights into SOM dynamics in response to afforestation is becoming more imperative at present. However, detecting changes in soil C and N dynamics following afforestation can be difficult, for the SOM consists of a variety of compounds with different microbial degradability and turnover time (John et al, 2005;Jiménez et al, 2008;Rumpel and Kögel-Knabner, 2011).…”

Section: Introductionmentioning

confidence: 99%

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Shifts in soil organic carbon and nitrogen dynamics for afforestation in central China

Dou

Xiao

et al. 2016

Ecological Engineering

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Section: Discussionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

Shifts in soil organic carbon and nitrogen dynamics for afforestation in central China

Dou

Xiao

et al. 2016

Ecological Engineering

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“…One review of studies in the Neotropics found no overall difference in soil C stocks for secondary forests relative to mature forests, active pastures, or agricultural sites [ Marin‐Spiotta et al ., ]. Similarly, a chronosequence of secondary forests in Costa Rica during 15–60 years of regeneration showed no pattern of change in soil C stocks with forest age, and most differences among sites were related to soil characteristics [ Jimenez et al ., ]. A comparison of soil C across a chronosequence of native species secondary forests in Puerto Rico also showed no difference in soil C stocks across secondary forest ages or pastures [ Marin‐Spiotta et al ., ].…”

Section: Review Of Global Change Effects On Tropical Ecosystemsmentioning

confidence: 99%

Global change effects on humid tropical forests: Evidence for biogeochemical and biodiversity shifts at an ecosystem scale

Cusack

Karpman

Ashdown

et al. 2016

Reviews of Geophysics

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Government and international agencies have highlighted the need to focus global change research efforts on tropical ecosystems. However, no recent comprehensive review exists synthesizing humid tropical forest responses across global change factors, including warming, decreased precipitation, carbon dioxide fertilization, nitrogen deposition, and land use/land cover changes. This paper assesses research across spatial and temporal scales for the tropics, including modeling, field, and controlled laboratory studies. The review aims to (1) provide a broad understanding of how a suite of global change factors are altering humid tropical forest ecosystem properties and biogeochemical processes; (2) assess spatial variability in responses to global change factors among humid tropical regions; (3) synthesize results from across humid tropical regions to identify emergent trends in ecosystem responses; (4) identify research and management priorities for the humid tropics in the context of global change. Ecosystem responses covered here include plant growth, carbon storage, nutrient cycling, biodiversity, and disturbance regime shifts. The review demonstrates overall negative effects of global change on all ecosystem properties, with the greatest uncertainty and variability in nutrient cycling responses. Generally, all global change factors reviewed, except for carbon dioxide fertilization, demonstrate great potential to trigger positive feedbacks to global warming via greenhouse gas emissions and biogeophysical changes that cause regional warming. This assessment demonstrates that effects of decreased rainfall and deforestation on tropical forests are relatively well understood, whereas the potential effects of warming, carbon dioxide fertilization, nitrogen deposition, and plant species invasions require more cross-site, mechanistic research to predict tropical forest responses at regional and global scales.

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“…There have been many studies on the spatial distribution of SOC, e.g. at local (Jimenez et al, 2008;Jia et al, 2012;Zhang et al, 2013;Wu et al, 2016), regional (Liu et al, 2011;Wang et al, 2015b;Deng & Shangguan, 2016;Willaarts et al, 2016) and global (Jobbágy & Jackson, 2000;Lal, 2004a;Van et al, 2009) scales. However, measurements of SOC in most of these studies are generally limited to the upper 100-cm soil depth, where most SOC is stored (Shi et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

A State‐Space Analysis of Soil Organic Carbon in China's Loess Plateau

et al. 2017

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An accurate estimation of soil organic carbon (SOC) is important for the evaluation and management of carbon (C) flux in terrestrial ecosystems. However, there is little work on the spatial variability of SOC in deep soils and its driving factors. Thus, the objective of the study was to derive the primary factors dominating the spatial distribution of SOC in different soil layers with the use of the autoregressive state‐space approach. The concentration of SOC was measured to the depth of 500 cm (n = 86) along a south–north transect of China's Loess Plateau. The mean SOC of the 500‐cm soil profile generally decreased from south to north following the decreasing rainfall gradient. Based on the investigated factors, the state‐space model was able to capture 90.3–99.9% of the spatial variability of SOC in the various soil layers. According to the coefficients in the optimal state‐space model for each soil layer, climatic factors such as precipitation and temperature had a dominant control over the spatial distribution of SOC at shallow depths. However, both climatic and edaphic (e.g. soil texture) factors, and to a small extent land use, influenced the spatial behavior of SOC at the 40–200 cm soil depth. For soil layers below 200 cm, the importance of land use was revealed, and the spatial characteristics of SOC were together driven by land use, climatic and edaphic factors. This is critical for the management of soil C flux in deep soils and the C stock and cycle in terrestrial ecosystems. Table SI. Basic properties of soils and climate and elevation under three land uses along the south–north transect on the Loess Plateau (mean ± standard deviation). Note that SWC is gravimetric soil water content. Copyright © 2016 John Wiley & Sons, Ltd.

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The soil organic carbon in particle-size separates under different regrowth forest stands of north eastern Costa Rica

Cited by 40 publications

References 47 publications

Shifts in soil organic carbon and nitrogen dynamics for afforestation in central China

Shifts in soil organic carbon and nitrogen dynamics for afforestation in central China

Global change effects on humid tropical forests: Evidence for biogeochemical and biodiversity shifts at an ecosystem scale

A State‐Space Analysis of Soil Organic Carbon in China's Loess Plateau

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