Interactive effects of low pH and high ammonium levels responsible for the decline of Cirsium dissectum (L.) Hill
The decline of Cirsium dissectum in dessicatingwetlands is attributed to acidification and eutrophication. Experimentalevidence was obtained for the first time on ammonium toxicity under low pH. Inahydroculture experiment, interactive effects of nitrogen forms (250 micromol NH4 + or 250 micromolNO3...
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description | The decline of Cirsium dissectum in dessicatingwetlands is attributed to acidification and eutrophication. Experimentalevidence was obtained for the first time on ammonium toxicity under low pH. Inahydroculture experiment, interactive effects of nitrogen forms (250 micromol NH4 + or 250 micromolNO3 -) and pH (4, 5 or 6) were studied with regardtothe vitality of C. dissectum seedlings. The results showthat 250 micromol l-1 ammonium as sole nitrogensource only had negative effects on C. dissectum incombination with a low pH. Ammonium uptake at a rhizosphere pH of 4, resultedinlower nitrogen contents of both roots and shoots, lower internal pH of rootsandshoots and increased contents of basic amino-acids, resulting indecreased survival rate and biomass development. At higher pH, or when nitratewas the nitrogen source, these processes do not take place. This phenomenonstresses the importance of periodic influence of base rich groundwater duringthe winter in wet species-rich heathlands and grasslands, necessary torestore the acid neutralising capacity of the soil. Anthropogenic lowering ofthe groundwater table will lead to acidification enabling ammonium to becometoxic to herbaceous plant species such as C. dissectum. |
doi_str_mv | 10.1023/A:1021467320647 |
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Hill</title><source>SpringerNature Journals</source><source>JSTOR Archive Collection A-Z Listing</source><creator>Lucassen, E.C.H.E.T ; Bobbink, R ; Smolders, A.J.P ; Ven, P.J.M. van der ; Lamers, L.P.M ; Roelofs, J.G.M</creator><creatorcontrib>Lucassen, E.C.H.E.T ; Bobbink, R ; Smolders, A.J.P ; Ven, P.J.M. van der ; Lamers, L.P.M ; Roelofs, J.G.M</creatorcontrib><description>The decline of Cirsium dissectum in dessicatingwetlands is attributed to acidification and eutrophication. Experimentalevidence was obtained for the first time on ammonium toxicity under low pH. Inahydroculture experiment, interactive effects of nitrogen forms (250 micromol NH4 + or 250 micromolNO3 -) and pH (4, 5 or 6) were studied with regardtothe vitality of C. dissectum seedlings. The results showthat 250 micromol l-1 ammonium as sole nitrogensource only had negative effects on C. dissectum incombination with a low pH. Ammonium uptake at a rhizosphere pH of 4, resultedinlower nitrogen contents of both roots and shoots, lower internal pH of rootsandshoots and increased contents of basic amino-acids, resulting indecreased survival rate and biomass development. At higher pH, or when nitratewas the nitrogen source, these processes do not take place. This phenomenonstresses the importance of periodic influence of base rich groundwater duringthe winter in wet species-rich heathlands and grasslands, necessary torestore the acid neutralising capacity of the soil. Anthropogenic lowering ofthe groundwater table will lead to acidification enabling ammonium to becometoxic to herbaceous plant species such as C. dissectum.</description><identifier>ISSN: 1385-0237</identifier><identifier>EISSN: 1573-5052</identifier><identifier>DOI: 10.1023/A:1021467320647</identifier><language>eng</language><publisher>Dordrecht: Kluwer Publishers</publisher><subject>acid soils ; Acidification ; Amino acids ; Ammonium ; ammonium compounds ; Anthropogenic factors ; Biodiversity ; Biomass ; chemical constituents of plants ; Cirsium ; Cirsium dissectum ; Eutrophication ; Grasslands ; Groundwater ; Heathlands ; herbaceous plants ; Nitrates ; Nitrogen ; nutrient uptake ; Plant ecology ; Plant roots ; Plant species ; Plants ; Quaternary ammonium compounds ; Rhizosphere ; roots ; Seedlings ; shoots ; Soil acidification ; soil nutrients ; soil pH ; Survival ; Toxicity ; viability ; Water table ; wetlands</subject><ispartof>Plant ecology, 2003-03, Vol.165 (1), p.45-52</ispartof><rights>Copyright 2003 Kluwer Academic Publishers</rights><rights>Kluwer Academic Publishers 2003</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c343t-bf5d65cfcc6b88f529c2d9db2b8f96f5b7df30284baf29a9410ba04fe794f34b3</citedby><cites>FETCH-LOGICAL-c343t-bf5d65cfcc6b88f529c2d9db2b8f96f5b7df30284baf29a9410ba04fe794f34b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/20146368$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/20146368$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>315,781,785,804,27928,27929,58021,58254</link.rule.ids></links><search><creatorcontrib>Lucassen, E.C.H.E.T</creatorcontrib><creatorcontrib>Bobbink, R</creatorcontrib><creatorcontrib>Smolders, A.J.P</creatorcontrib><creatorcontrib>Ven, P.J.M. van der</creatorcontrib><creatorcontrib>Lamers, L.P.M</creatorcontrib><creatorcontrib>Roelofs, J.G.M</creatorcontrib><title>Interactive effects of low pH and high ammonium levels responsible for the decline of Cirsium dissectum (L.) Hill</title><title>Plant ecology</title><description>The decline of Cirsium dissectum in dessicatingwetlands is attributed to acidification and eutrophication. Experimentalevidence was obtained for the first time on ammonium toxicity under low pH. Inahydroculture experiment, interactive effects of nitrogen forms (250 micromol NH4 + or 250 micromolNO3 -) and pH (4, 5 or 6) were studied with regardtothe vitality of C. dissectum seedlings. The results showthat 250 micromol l-1 ammonium as sole nitrogensource only had negative effects on C. dissectum incombination with a low pH. Ammonium uptake at a rhizosphere pH of 4, resultedinlower nitrogen contents of both roots and shoots, lower internal pH of rootsandshoots and increased contents of basic amino-acids, resulting indecreased survival rate and biomass development. At higher pH, or when nitratewas the nitrogen source, these processes do not take place. This phenomenonstresses the importance of periodic influence of base rich groundwater duringthe winter in wet species-rich heathlands and grasslands, necessary torestore the acid neutralising capacity of the soil. Anthropogenic lowering ofthe groundwater table will lead to acidification enabling ammonium to becometoxic to herbaceous plant species such as C. dissectum.</description><subject>acid soils</subject><subject>Acidification</subject><subject>Amino acids</subject><subject>Ammonium</subject><subject>ammonium compounds</subject><subject>Anthropogenic factors</subject><subject>Biodiversity</subject><subject>Biomass</subject><subject>chemical constituents of plants</subject><subject>Cirsium</subject><subject>Cirsium dissectum</subject><subject>Eutrophication</subject><subject>Grasslands</subject><subject>Groundwater</subject><subject>Heathlands</subject><subject>herbaceous plants</subject><subject>Nitrates</subject><subject>Nitrogen</subject><subject>nutrient uptake</subject><subject>Plant ecology</subject><subject>Plant roots</subject><subject>Plant species</subject><subject>Plants</subject><subject>Quaternary ammonium compounds</subject><subject>Rhizosphere</subject><subject>roots</subject><subject>Seedlings</subject><subject>shoots</subject><subject>Soil acidification</subject><subject>soil nutrients</subject><subject>soil pH</subject><subject>Survival</subject><subject>Toxicity</subject><subject>viability</subject><subject>Water table</subject><subject>wetlands</subject><issn>1385-0237</issn><issn>1573-5052</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2003</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNpdkM1rGzEUxJfSQlO3555KRA8lOWwi6eljtzdjkjhg6KHNWUhaKZbRrhxpndL_vjIugeb0BuY3w2Oa5jPBVwRTuF5-r4cwIYFiweSb5oxwCS3HnL6tGjreVky-bz6UssOYYAz8rHm6n2aXtZ3Ds0POe2fngpJHMf1G-zXS04C24XGL9DimKRxGFN2ziwVlV_ZpKsFEh3zKaN46NDgbw-SO8VXI5UgPoZRaWdXF5uoSrUOMH5t3XsfiPv27i-bh9ubXat1uftzdr5ab1gKDuTWeD4Jbb60wXec57S0d-sFQ0_leeG7k4AHTjhntaa97RrDRmHkne-aBGVg03069-5yeDq7MagzFuhj15NKhKNIJoNDTCn59Be7SIU_1NyUFSMKxhApdnyCbUynZebXPYdT5jyJYHfdXS_Xf_jXx5ZTYlTnlF5ziyoDoqn9-8r1OSj_mUNTDz-oCxr3AHWPwF1fHiuU</recordid><startdate>20030301</startdate><enddate>20030301</enddate><creator>Lucassen, E.C.H.E.T</creator><creator>Bobbink, R</creator><creator>Smolders, A.J.P</creator><creator>Ven, P.J.M. van der</creator><creator>Lamers, L.P.M</creator><creator>Roelofs, J.G.M</creator><general>Kluwer Publishers</general><general>Springer Nature B.V</general><scope>FBQ</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QL</scope><scope>7SN</scope><scope>7ST</scope><scope>7T7</scope><scope>7U9</scope><scope>7X2</scope><scope>88A</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>HCIFZ</scope><scope>LK8</scope><scope>M0K</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>20030301</creationdate><title>Interactive effects of low pH and high ammonium levels responsible for the decline of Cirsium dissectum (L.) 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Hill</atitle><jtitle>Plant ecology</jtitle><date>2003-03-01</date><risdate>2003</risdate><volume>165</volume><issue>1</issue><spage>45</spage><epage>52</epage><pages>45-52</pages><issn>1385-0237</issn><eissn>1573-5052</eissn><abstract>The decline of Cirsium dissectum in dessicatingwetlands is attributed to acidification and eutrophication. Experimentalevidence was obtained for the first time on ammonium toxicity under low pH. Inahydroculture experiment, interactive effects of nitrogen forms (250 micromol NH4 + or 250 micromolNO3 -) and pH (4, 5 or 6) were studied with regardtothe vitality of C. dissectum seedlings. The results showthat 250 micromol l-1 ammonium as sole nitrogensource only had negative effects on C. dissectum incombination with a low pH. Ammonium uptake at a rhizosphere pH of 4, resultedinlower nitrogen contents of both roots and shoots, lower internal pH of rootsandshoots and increased contents of basic amino-acids, resulting indecreased survival rate and biomass development. At higher pH, or when nitratewas the nitrogen source, these processes do not take place. This phenomenonstresses the importance of periodic influence of base rich groundwater duringthe winter in wet species-rich heathlands and grasslands, necessary torestore the acid neutralising capacity of the soil. Anthropogenic lowering ofthe groundwater table will lead to acidification enabling ammonium to becometoxic to herbaceous plant species such as C. dissectum.</abstract><cop>Dordrecht</cop><pub>Kluwer Publishers</pub><doi>10.1023/A:1021467320647</doi><tpages>8</tpages></addata></record> |
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subjects | acid soils Acidification Amino acids Ammonium ammonium compounds Anthropogenic factors Biodiversity Biomass chemical constituents of plants Cirsium Cirsium dissectum Eutrophication Grasslands Groundwater Heathlands herbaceous plants Nitrates Nitrogen nutrient uptake Plant ecology Plant roots Plant species Plants Quaternary ammonium compounds Rhizosphere roots Seedlings shoots Soil acidification soil nutrients soil pH Survival Toxicity viability Water table wetlands |
title | Interactive effects of low pH and high ammonium levels responsible for the decline of Cirsium dissectum (L.) Hill |
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