Acidic atmospheric deposition and canopy interactions of adjacent deciduous and coniferous forests in the Georgia Piedmont
The effects of acidic atmospheric deposition on leaching of base cations from the canopy and the origin of the major ions in throughfall and stemflow were evaluated in a 2-year study of adjacent deciduous and coniferous forests at Panola Mountain Research Watershed in the Georgia Piedmont. In each f...
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| Veröffentlicht in: | Canadian journal of forest research 1993-06, Vol.23 (6), p.1114-1124 |
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| container_title | Canadian journal of forest research |
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| creator | Cappellato, Rosanna Peters, Norman E Ragsdale, Harvey L |
| description | The effects of acidic atmospheric deposition on leaching of base cations from the canopy and the origin of the major ions in throughfall and stemflow were evaluated in a 2-year study of adjacent deciduous and coniferous forests at Panola Mountain Research Watershed in the Georgia Piedmont. In each forest, the NO
3
−
and SO
4
2−
in throughfall and stemflow were derived primarily from atmospheric deposition, whereas the base cations Ca
2+
, Mg
2+
, and K
+
were derived primarily from canopy leaching. Acidic atmospheric deposition was partially neutralized in each forest. Exchange of H
+
with base cations appeared to be the major mechanism for the neutralization of atmospheric acidity by the deciduous canopy. Major neutralization mechanisms could not be differentiated in the coniferous canopy. Base-cation leaching accounted for 86% of the base cations in throughfall and stemflow in the deciduous forest and 69% in the coniferous forest. Exchange with H
+
accounted for about 30% of base cations in throughfall in the deciduous forest, whereas it could not be clearly estimated in coniferous throughfall. The current level of acidic atmospheric deposition is hypothesized to have caused an increased leaching of base cations of the deciduous canopy, but methods were insufficient to determine its effect on the coniferous canopy. |
| doi_str_mv | 10.1139/x93-142 |
| format | Article |
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3
−
and SO
4
2−
in throughfall and stemflow were derived primarily from atmospheric deposition, whereas the base cations Ca
2+
, Mg
2+
, and K
+
were derived primarily from canopy leaching. Acidic atmospheric deposition was partially neutralized in each forest. Exchange of H
+
with base cations appeared to be the major mechanism for the neutralization of atmospheric acidity by the deciduous canopy. Major neutralization mechanisms could not be differentiated in the coniferous canopy. Base-cation leaching accounted for 86% of the base cations in throughfall and stemflow in the deciduous forest and 69% in the coniferous forest. Exchange with H
+
accounted for about 30% of base cations in throughfall in the deciduous forest, whereas it could not be clearly estimated in coniferous throughfall. The current level of acidic atmospheric deposition is hypothesized to have caused an increased leaching of base cations of the deciduous canopy, but methods were insufficient to determine its effect on the coniferous canopy.</description><identifier>ISSN: 0045-5067</identifier><identifier>EISSN: 1208-6037</identifier><identifier>DOI: 10.1139/x93-142</identifier><identifier>CODEN: CJFRAR</identifier><language>eng</language><publisher>Ottawa, Canada: NRC Research Press</publisher><subject>Agronomy. Soil science and plant productions ; Animal, plant and microbial ecology ; Applied ecology ; Biological and medical sciences ; Ecotoxicology, biological effects of pollution ; Effects of pollution and side effects of pesticides on plants and fungi ; Fundamental and applied biological sciences. Psychology ; Non agrochemicals pollutants ; Phytopathology. Animal pests. Plant and forest protection ; Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors ; Pollution effects. Side effects of agrochemicals</subject><ispartof>Canadian journal of forest research, 1993-06, Vol.23 (6), p.1114-1124</ispartof><rights>1993 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c287t-fe37471f16833a38db674b2902f508d4b6d07e675596c8d7a18837ba9416bbac3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4873388$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Cappellato, Rosanna</creatorcontrib><creatorcontrib>Peters, Norman E</creatorcontrib><creatorcontrib>Ragsdale, Harvey L</creatorcontrib><title>Acidic atmospheric deposition and canopy interactions of adjacent deciduous and coniferous forests in the Georgia Piedmont</title><title>Canadian journal of forest research</title><addtitle>Revue canadienne de recherche forestière</addtitle><description>The effects of acidic atmospheric deposition on leaching of base cations from the canopy and the origin of the major ions in throughfall and stemflow were evaluated in a 2-year study of adjacent deciduous and coniferous forests at Panola Mountain Research Watershed in the Georgia Piedmont. In each forest, the NO
3
−
and SO
4
2−
in throughfall and stemflow were derived primarily from atmospheric deposition, whereas the base cations Ca
2+
, Mg
2+
, and K
+
were derived primarily from canopy leaching. Acidic atmospheric deposition was partially neutralized in each forest. Exchange of H
+
with base cations appeared to be the major mechanism for the neutralization of atmospheric acidity by the deciduous canopy. Major neutralization mechanisms could not be differentiated in the coniferous canopy. Base-cation leaching accounted for 86% of the base cations in throughfall and stemflow in the deciduous forest and 69% in the coniferous forest. Exchange with H
+
accounted for about 30% of base cations in throughfall in the deciduous forest, whereas it could not be clearly estimated in coniferous throughfall. The current level of acidic atmospheric deposition is hypothesized to have caused an increased leaching of base cations of the deciduous canopy, but methods were insufficient to determine its effect on the coniferous canopy.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Biological and medical sciences</subject><subject>Ecotoxicology, biological effects of pollution</subject><subject>Effects of pollution and side effects of pesticides on plants and fungi</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Non agrochemicals pollutants</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors</subject><subject>Pollution effects. Side effects of agrochemicals</subject><issn>0045-5067</issn><issn>1208-6037</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><recordid>eNp1kMtKAzEUhoMoWKv4ClkIgjCaTGaSzLIUrUJBF7oezuRiU9pkSFKwPr0pFXeuzoXvfHB-hK4puaeUdQ9fHatoU5-gCa2JrDhh4hRNCGnaqiVcnKOLlNaEEMYZmaDvmXLaKQx5G9K4MrH02owhueyCx-A1VuDDuMfOZxNBHdYJB4tBr0EZnwteFLuwS0c6eGdNPIw2RJNyKpc4rwxemBA_HeA3Z_Q2-HyJzixskrn6rVP08fT4Pn-ulq-Ll_lsWalailxZw0QjqKVcMgZM6oGLZqg7UtuWSN0MXBNhuGjbjiupBVApmRigaygfBlBsim6PXhVDStHYfoxuC3HfU9IfIutLZH2JrJA3R3KEpGBjI3jl0h_eSMFYkU_R3RHzUZUPDUS1-tf5A1zVeyE</recordid><startdate>19930601</startdate><enddate>19930601</enddate><creator>Cappellato, Rosanna</creator><creator>Peters, Norman E</creator><creator>Ragsdale, Harvey L</creator><general>NRC Research Press</general><general>National Research Council of Canada</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>19930601</creationdate><title>Acidic atmospheric deposition and canopy interactions of adjacent deciduous and coniferous forests in the Georgia Piedmont</title><author>Cappellato, Rosanna ; Peters, Norman E ; Ragsdale, Harvey L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c287t-fe37471f16833a38db674b2902f508d4b6d07e675596c8d7a18837ba9416bbac3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Biological and medical sciences</topic><topic>Ecotoxicology, biological effects of pollution</topic><topic>Effects of pollution and side effects of pesticides on plants and fungi</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Non agrochemicals pollutants</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors</topic><topic>Pollution effects. Side effects of agrochemicals</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cappellato, Rosanna</creatorcontrib><creatorcontrib>Peters, Norman E</creatorcontrib><creatorcontrib>Ragsdale, Harvey L</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><jtitle>Canadian journal of forest research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cappellato, Rosanna</au><au>Peters, Norman E</au><au>Ragsdale, Harvey L</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Acidic atmospheric deposition and canopy interactions of adjacent deciduous and coniferous forests in the Georgia Piedmont</atitle><jtitle>Canadian journal of forest research</jtitle><addtitle>Revue canadienne de recherche forestière</addtitle><date>1993-06-01</date><risdate>1993</risdate><volume>23</volume><issue>6</issue><spage>1114</spage><epage>1124</epage><pages>1114-1124</pages><issn>0045-5067</issn><eissn>1208-6037</eissn><coden>CJFRAR</coden><abstract>The effects of acidic atmospheric deposition on leaching of base cations from the canopy and the origin of the major ions in throughfall and stemflow were evaluated in a 2-year study of adjacent deciduous and coniferous forests at Panola Mountain Research Watershed in the Georgia Piedmont. In each forest, the NO
3
−
and SO
4
2−
in throughfall and stemflow were derived primarily from atmospheric deposition, whereas the base cations Ca
2+
, Mg
2+
, and K
+
were derived primarily from canopy leaching. Acidic atmospheric deposition was partially neutralized in each forest. Exchange of H
+
with base cations appeared to be the major mechanism for the neutralization of atmospheric acidity by the deciduous canopy. Major neutralization mechanisms could not be differentiated in the coniferous canopy. Base-cation leaching accounted for 86% of the base cations in throughfall and stemflow in the deciduous forest and 69% in the coniferous forest. Exchange with H
+
accounted for about 30% of base cations in throughfall in the deciduous forest, whereas it could not be clearly estimated in coniferous throughfall. The current level of acidic atmospheric deposition is hypothesized to have caused an increased leaching of base cations of the deciduous canopy, but methods were insufficient to determine its effect on the coniferous canopy.</abstract><cop>Ottawa, Canada</cop><pub>NRC Research Press</pub><doi>10.1139/x93-142</doi><tpages>11</tpages></addata></record> |
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| ispartof | Canadian journal of forest research, 1993-06, Vol.23 (6), p.1114-1124 |
| issn | 0045-5067 1208-6037 |
| language | eng |
| recordid | cdi_nrcresearch_primary_10_1139_x93_142 |
| source | Alma/SFX Local Collection |
| subjects | Agronomy. Soil science and plant productions Animal, plant and microbial ecology Applied ecology Biological and medical sciences Ecotoxicology, biological effects of pollution Effects of pollution and side effects of pesticides on plants and fungi Fundamental and applied biological sciences. Psychology Non agrochemicals pollutants Phytopathology. Animal pests. Plant and forest protection Pollution effects and side effects of agrochemicals on crop plants and forest trees. Other anthropogenic factors Pollution effects. Side effects of agrochemicals |
| title | Acidic atmospheric deposition and canopy interactions of adjacent deciduous and coniferous forests in the Georgia Piedmont |
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