Acidification and Nutrient Cycling

Adams, Mary Beth; Peterjohn, William T.; Gilliam, Frank S.

doi:10.1007/1-4020-4615-4_7

Cited by 3 publications

(4 citation statements)

References 47 publications

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“…Volcanic ash soil (pH 3.6) is an acidic soil that contains high levels of aluminum (Al) and iron (Fe), but low contents in magnesium (Mg), calcium (Ca), manganese (Mn), nitrogen (N) and potassium (K - Kayama et al 2011, Watanabe et al 2010. As the response of retranslocation seems to be influenced by soil fertility (Xu & Timmer 1999) as well as soil acidification (Gjengedal 1996, Adams et al 2006, we have planted seedlings on brown forest soil, volcanic ash soil and serpentine soil. These soil conditions represent rich fertility with neutral soil, medium fertility with acidic soil and poor fertility with alkaline soil, respectively.…”

Section: Introductionmentioning

confidence: 99%

Retranslocation of foliar nutrients of deciduous tree seedlings in different soil condition under free-air O3 enrichment

Shi¹,

Eguchi²,

Fan³

et al. 2016

iForest

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Retranslocation is the amount of an element that is depleted from old plant components and is provided for new growth. Leaf senescence is usually accelerated at elevated O3 (eO3), and leaf shedding is influenced by soil nutrient availability (and acidification). In this study, we focused on the net retranslocation and allocation dynamics of foliar nutrients (N, P, Mg, K, Ca, Mn, Fe and Al) to investigate the effect of eO3 on birch (Betula platyphylla var. japonica), oak (Quercus mongolica var. crispula), and beech (Fagus crenata) seedlings grown in different soil conditions. Seedlings of the 3 species were planted in a free-air O3 enrichment system under 3 soil types (brown forest soil, serpentine soil, volcanic ash soil) for one growing season. All tree species were grown with 3 replications per each plot at elevated O3 (about 80 ppb) and ambient condition (O3 ranging 25-35 ppb). Leaf samples were taken from the top part of seedlings during the growing season in mid-September, and senescing leaves were sampled in mid-November. Both were collected for chemical composition analysis. Retranslocation rate of P was markedly increased by eO3 in birch and significantly differed among soil types in oak seedlings, while was constant across treatments in beech seedlings. Retranslocation of N in oak seedlings was significantly affected by soil type. Retranslocation of other elements was most sensitive to both eO3 and soil type in beech seedlings. The influence of differential growth patterns among species in modulating the physiological response of seedlings to high levels of ozone and different soil conditions are discussed.

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Section: Introductionmentioning

confidence: 99%

Retranslocation of foliar nutrients of deciduous tree seedlings in different soil condition under free-air O3 enrichment

Shi¹,

Eguchi²,

Fan³

et al. 2016

iForest

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“…would account for up to 76% of the 9.65 kg N ha -1 year -1 increase in stream water NO 3 due to whole-watershed acidification. Perhaps more realistically, if ~ 70% of this unassimilated NO 3 were retained in the watershed, as measured by Adams et al (2006), then elevated Al 3+ would still cause 23% of the increase in stream water NO 3 -. While this initial estimate is specific to our study site, the potential magnitude of the effect of elevated soil Al 3+ on watershed NO 3 discharge is large enough to warrant more detailed assessments at a variety of locations.…”

Section: Discussionmentioning

confidence: 99%

Using long-term records to investigate watershed nitrogen supply and demand dynamics at the Fernow Experimental Forest, West Virginia, USA

Burnham¹

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“…Not surprisingly, foliar calcium concentrations were the lowest where soil and foliar aluminum concentrations were the highest, i.e., in B and FOR soils . Other studies dealing with foliar nutrient status in native hardwood species reported decreased foliar calcium with increases in foliar aluminum on acidic forest soils (White et al, 1999;Adams et al, 2006).…”

Section: Foliar Nutrient Testingmentioning

confidence: 93%

“…Foliar calcium concentrations were the highest in tulip-poplar growing on G and GM soils. Tulip-poplar is a calcium-demanding species which requires high levels of calcium for adequate growth (Craul, 1992;Adams et al, 2006). The soil calcium concentrations were the greatest in G, GM, and BM and may be able to adequately meet the calcium demands of tulippoplar (Table 4-10).…”

Section: Foliar Nutrient Testingmentioning

confidence: 99%

Evaluation of Growth and Survival of Hardwood Trees on Brown and Gray Sandstone

Wilson-Kokes¹

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Deciduous forests in the Appalachian region have been greatly disrupted due to surface coal mining since the 1930's. After the passage of the Surface Mining Control and Reclamation Act (SMCRA) in 1977, coal mine operators began planting a variety of grasses and legumes as a fast and economical way to re-establish a permanent vegetative cover in order to meet erosion and site stabilization requirements. However, soil compaction and competitive forage species have arrested the re-colonization of native hardwood tree species on these reclaimed sites. In an effort to evaluate tree growth on selected spoils and determine the effects of compaction, three 2.8-ha experimental plots were established at Catenary Coal's Samples Mine in Kanawha County, West Virginia. Two plots were constructed of weathered brown sandstone and the third plot was constructed of un-weathered gray sandstone. Half of each plot was compacted while the other half was non-compacted. Each plot was hydroseeded with a low competition herbaceous cover and planted with eleven hardwood tree species. Soil chemical properties and tree growth have been measured each year since 2005. After eight growing seasons, average tree volume index was nearly ten times greater for trees grown in the brown sandstone treatments, 3853 cm 3 , compared to 407 cm 3 in gray sandstone. Trees growing on compacted treatments had a lower mean volume index, 2281 cm³, than trees growing on non-compacted treatments, 3899 cm³. Average pH of brown sandstone was 5.2 to 5.7 while gray sandstone was 7.9. The gray sandstone has continued to resist breakdown and had much lower fines content (40%) compared to brown sandstone (70%), which influenced nutrient and water-holding capacity. After eight years, brown sandstone showed significantly greater tree growth and survival, and is a more suitable topsoil substitute than gray sandstone on this site.

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Acidification and Nutrient Cycling

Cited by 3 publications

References 47 publications

Retranslocation of foliar nutrients of deciduous tree seedlings in different soil condition under free-air O3 enrichment

Retranslocation of foliar nutrients of deciduous tree seedlings in different soil condition under free-air O3 enrichment

Using long-term records to investigate watershed nitrogen supply and demand dynamics at the Fernow Experimental Forest, West Virginia, USA

Evaluation of Growth and Survival of Hardwood Trees on Brown and Gray Sandstone

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