Determination of foliar Ca/Sr discrimination factors for six tree species and implications for Ca sources in northern hardwood forests

Blum, Joel D.; Hamburg, Steven P.; Yanai, Ruth D.; Arthur, Mary A.

doi:10.1007/s11104-011-1122-2

Cited by 18 publications

(22 citation statements)

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“…8). The comparisons support the reported differences in DFs, which were developed at common sites (Dasch et al, 2006;Blum et al, 2012). Specifically, beech and red maple have higher foliar Ca/Sr relative to the soil source by a factor of 1.8 to 1.9, while sugar maple and yellow birch differ by a factor of 1.2 to 1.3 (Fig.…”

Section: Comparing Calcium/strontium Across Speciessupporting

confidence: 86%

“…For beech at the same sites, there was less consistency in the relationship between foliar and soil Ca/Sr ratios; no pool consistently fell within the range predicted by the discrimination factor. In red maple, the Ca/Sr ratio of the Oie horizon fell close to the value predicted by the discrimination factor of red maple (Blum et al, 2012).…”

Section: Calcium/strontium As An Indicator Of Soil Sourcessupporting

confidence: 76%

“…The discrimination factors for sugar maple, yellow birch {Betula alleghaniensis Britton) and beech have been determined from the Ca/Sr ratio of the vegetation after wollastonite (CaSiO,) with a known Ca/Sr ratio was applied to a watershed in the White Mountains of New Hampshire (Dasch et al, 2006). Ti.ssues had different discrimination factors, with leaves discriminating for Ca over Sr (DF > 1, Blum et al, 2008Blum et al, , 2012, while roots had greater Sr than Ca relative to the source (DF< 1, Dasch etal., 2006). These DFs have been used at other sites in the White Mountain region, in which the Oie horizon had a Ca/Sr ratio consistent with being the nutrient source for the foliage of sugar maple, yellow birch, beech, and red maple (Blum et al, , 2012.…”

mentioning

confidence: 99%

“…Ti.ssues had different discrimination factors, with leaves discriminating for Ca over Sr (DF > 1, Blum et al, 2008Blum et al, , 2012, while roots had greater Sr than Ca relative to the source (DF< 1, Dasch etal., 2006). These DFs have been used at other sites in the White Mountain region, in which the Oie horizon had a Ca/Sr ratio consistent with being the nutrient source for the foliage of sugar maple, yellow birch, beech, and red maple (Blum et al, , 2012. It is not known whether Ca/Sr ratios can be used to identify Ca sources in sites lacking the thick organic layer character- istic of Spodosols in the White Mountains.…”

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confidence: 99%

“…Since previous studies showing that the Oie was supplying most of the Ca to foliage were conducted in Spodosols (Blum et al, , 2012, we wanted to see if this approach was valid acro.ss a wider range of soil types. Finally, we compared Ca/Sr ratios of foliage among co-occurring species, in an attempt to identify species groups of distinguishable discrimination factors.…”

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confidence: 99%

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Foliar Nutrient Concentrations Related to Soil Sources across a Range of Sites in the Northeastern United States

Lucash

Yanai

Park

2012

Soil Sci. Soc. Am. j.

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All rights reserved. No part of this periodical may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying, recording, or any information storage and retrieval system, without permission in writing from the publisher. Permission for printing and for reprinting the material contained herein has been obtained by the publisher. Foliar Nutrient Concentrations Related to Soil Sources across a Range of Sites in the Northeastern United StatesForest, Range & Wildland Soils S oil base cations have declined in soils in the northeastern United States in the 20th century (Likens et al., 1998) due to forest harvesting (Federer et al., 1989;Johnson et al., 1991) and acidic deposition (Likens et al., 1996). Reductions in exchangeable soil Ca and Mg have been associated with declines of sugar maple (Bailey et al., 2004;Juice et al., 2006), an economically and ecologically important species. Sugar maple is thought to have high Ca requirements (Fujinuma et al., 2005;Page et al., 2008) while other species, such as beech, are less sensitive to soil base cation status (Duchesne et al., 2005;Park and Yanai, 2009). Acid deposition has also increased the concentration of dissolved inorganic Al in soil, which is toxic to plants (Foy et al., 1978;Delhaize and Ryan, 1995). Diff erences in the responses of tree species to regional variation in soil conditions may provide clues as to which species will be most sensitive to continued soil acidifi cation and base cation depletion.Sources of nutrients to forest soils include atmospheric deposition and mineral weathering (e.g., Graustein and Armstrong, 1983). Apatite, a ubiquitous but trace mineral in parent material, has been shown to be disproportionately important as a source of Ca and P in young soils, because of its high weathering rate

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Section: Comparing Calcium/strontium Across Speciessupporting

confidence: 86%

Section: Calcium/strontium As An Indicator Of Soil Sourcessupporting

confidence: 76%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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