Hydrochory, population dynamics and distribution of the clonal aquatic plant Ranunculus lingua
The dispersal and dynamics of the clonal aquatic plant Ranunculus lingua were studied in a marginal river population in northern Sweden, where this species is dispersed exclusively by vegetative diaspores (i.e. floating rhizome fragments). The study focused on (a) the extent and range of dispersal,...
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| Veröffentlicht in: | The Journal of ecology 1993-03, Vol.81 (1), p.81-91 |
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| creator | Johansson, M.E Nilsson, C |
| description | The dispersal and dynamics of the clonal aquatic plant Ranunculus lingua were studied in a marginal river population in northern Sweden, where this species is dispersed exclusively by vegetative diaspores (i.e. floating rhizome fragments). The study focused on (a) the extent and range of dispersal, (b) relationships between dispersal and distribution of established stands of R. lingua, and between dispersal and environmental characteristics of the river (i.e. 'river status'), (c) the establishment success of vegetative diaspores, and (d) the relative changes in ramet numbers between years. Between 0.8 and 2.9% of the total population of ramets was estimated to disperse each year. Most rhizomes were dispersed within 1.5 km in a leptokurtic pattern. A river lake functioned as a dispersal barrier, preventing dispersal distances greater than 3 km. Vegetative diaspores were mainly dispersed to river curves and obstacles, and the distribution of established stands was highly correlated with these features. Establishment was low and probably strongly influenced by water-level fluctuation and winter conditions. Relative changes in ramet numbers varied between years and were correlated with water-level fluctuations during the present and previous growing seasons, with winter low-water, and with duration of spring-flood. The predictability of change was high within but low between stands. |
| doi_str_mv | 10.2307/2261226 |
| format | Article |
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The study focused on (a) the extent and range of dispersal, (b) relationships between dispersal and distribution of established stands of R. lingua, and between dispersal and environmental characteristics of the river (i.e. 'river status'), (c) the establishment success of vegetative diaspores, and (d) the relative changes in ramet numbers between years. Between 0.8 and 2.9% of the total population of ramets was estimated to disperse each year. Most rhizomes were dispersed within 1.5 km in a leptokurtic pattern. A river lake functioned as a dispersal barrier, preventing dispersal distances greater than 3 km. Vegetative diaspores were mainly dispersed to river curves and obstacles, and the distribution of established stands was highly correlated with these features. Establishment was low and probably strongly influenced by water-level fluctuation and winter conditions. Relative changes in ramet numbers varied between years and were correlated with water-level fluctuations during the present and previous growing seasons, with winter low-water, and with duration of spring-flood. The predictability of change was high within but low between stands.</description><identifier>ISSN: 0022-0477</identifier><identifier>EISSN: 1365-2745</identifier><identifier>DOI: 10.2307/2261226</identifier><identifier>CODEN: JECOAB</identifier><language>eng</language><publisher>Oxford: British Ecological Society</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Aquatic plants ; asexual reproduction ; Biological and medical sciences ; Demecology ; dispersal ; dispersal by water ; establishment ; Flowers & plants ; Freshwater ; Freshwater ecology ; Fundamental and applied biological sciences. Psychology ; Lakes ; plant ecology ; Plants ; Plants and fungi ; Population dynamics ; Population ecology ; Ranunculus ; Rhizomes ; Rivers ; Seed dispersal ; Synecology ; Winter</subject><ispartof>The Journal of ecology, 1993-03, Vol.81 (1), p.81-91</ispartof><rights>Copyright 1993 British Ecological Society</rights><rights>1993 INIST-CNRS</rights><rights>Copyright Blackwell Science Ltd. Mar 1993</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-fd68a9ee71bc6c869fdfa8b0654507fbc4e3f2b44162383b93cbe1adb10d75433</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/2261226$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/2261226$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,27869,27924,27925,58017,58250</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=4696945$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Johansson, M.E</creatorcontrib><creatorcontrib>Nilsson, C</creatorcontrib><title>Hydrochory, population dynamics and distribution of the clonal aquatic plant Ranunculus lingua</title><title>The Journal of ecology</title><description>The dispersal and dynamics of the clonal aquatic plant Ranunculus lingua were studied in a marginal river population in northern Sweden, where this species is dispersed exclusively by vegetative diaspores (i.e. floating rhizome fragments). The study focused on (a) the extent and range of dispersal, (b) relationships between dispersal and distribution of established stands of R. lingua, and between dispersal and environmental characteristics of the river (i.e. 'river status'), (c) the establishment success of vegetative diaspores, and (d) the relative changes in ramet numbers between years. Between 0.8 and 2.9% of the total population of ramets was estimated to disperse each year. Most rhizomes were dispersed within 1.5 km in a leptokurtic pattern. A river lake functioned as a dispersal barrier, preventing dispersal distances greater than 3 km. Vegetative diaspores were mainly dispersed to river curves and obstacles, and the distribution of established stands was highly correlated with these features. Establishment was low and probably strongly influenced by water-level fluctuation and winter conditions. Relative changes in ramet numbers varied between years and were correlated with water-level fluctuations during the present and previous growing seasons, with winter low-water, and with duration of spring-flood. The predictability of change was high within but low between stands.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Aquatic plants</subject><subject>asexual reproduction</subject><subject>Biological and medical sciences</subject><subject>Demecology</subject><subject>dispersal</subject><subject>dispersal by water</subject><subject>establishment</subject><subject>Flowers & plants</subject><subject>Freshwater</subject><subject>Freshwater ecology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Lakes</subject><subject>plant ecology</subject><subject>Plants</subject><subject>Plants and fungi</subject><subject>Population dynamics</subject><subject>Population ecology</subject><subject>Ranunculus</subject><subject>Rhizomes</subject><subject>Rivers</subject><subject>Seed dispersal</subject><subject>Synecology</subject><subject>Winter</subject><issn>0022-0477</issn><issn>1365-2745</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1993</creationdate><recordtype>article</recordtype><sourceid>K30</sourceid><recordid>eNp90c9rFDEUB_AgCq5V_BMMKnpx9OX35ChFbaEgtPbqkMkk7SzZZJpMDvvfm7qLQkEP4R3yeV9e8hB6SeAjZaA-USpJO4_QhjApOqq4eIw2AJR2wJV6ip6VsgUAqQRs0M-z_ZSTvU15_wEvaanBrHOKeNpHs5ttwSZOeJrLmuex_r5JHq-3DtuQognY3NXWYPESTFzxpYk12hpqwWGON9U8R0-8CcW9ONYTdP31y4_Ts-7i-7fz088XneVCrZ2fZG-0c4qMVtpeaj95048gBReg_Gi5Y56OnBNJWc9GzezoiJlGApMSnLET9O6Qu-R0V11Zh91crAttKpdqGYhUAELfw9cP4DbV3F5SBgq9Ju3vZENv_oUI1RoUaCBNvT8om1Mp2flhyfPO5P1AYLhfxXBcRZNvj3mmWBN8NtHO5Q_nUkvNxV-2LWvK_0l7dWDepMHc5JZ0fUXbQECU4pJr9gtDQ5vV</recordid><startdate>19930301</startdate><enddate>19930301</enddate><creator>Johansson, M.E</creator><creator>Nilsson, C</creator><general>British Ecological Society</general><general>Blackwell Science</general><general>Blackwell Scientific Pub</general><general>Blackwell Publishing Ltd</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>FMSEA</scope><scope>GHEHK</scope><scope>JHMDA</scope><scope>K30</scope><scope>PAAUG</scope><scope>PAWHS</scope><scope>PAWZZ</scope><scope>PAXOH</scope><scope>PBHAV</scope><scope>PBQSW</scope><scope>PBYQZ</scope><scope>PCIWU</scope><scope>PCMID</scope><scope>PCZJX</scope><scope>PDGRG</scope><scope>PDWWI</scope><scope>PETMR</scope><scope>PFVGT</scope><scope>PGXDX</scope><scope>PIHIL</scope><scope>PISVA</scope><scope>PJCTQ</scope><scope>PJTMS</scope><scope>PLCHJ</scope><scope>PMHAD</scope><scope>PNQDJ</scope><scope>POUND</scope><scope>PPLAD</scope><scope>PQAPC</scope><scope>PQCAN</scope><scope>PQCMW</scope><scope>PQEME</scope><scope>PQHKH</scope><scope>PQMID</scope><scope>PQNCT</scope><scope>PQNET</scope><scope>PQSCT</scope><scope>PQSET</scope><scope>PSVJG</scope><scope>PVMQY</scope><scope>PZGFC</scope><scope>7QG</scope><scope>7SN</scope><scope>7SS</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H95</scope><scope>L.G</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>SOI</scope></search><sort><creationdate>19930301</creationdate><title>Hydrochory, population dynamics and distribution of the clonal aquatic plant Ranunculus lingua</title><author>Johansson, M.E ; Nilsson, C</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c457t-fd68a9ee71bc6c869fdfa8b0654507fbc4e3f2b44162383b93cbe1adb10d75433</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1993</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Aquatic plants</topic><topic>asexual reproduction</topic><topic>Biological and medical sciences</topic><topic>Demecology</topic><topic>dispersal</topic><topic>dispersal by water</topic><topic>establishment</topic><topic>Flowers & plants</topic><topic>Freshwater</topic><topic>Freshwater ecology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Lakes</topic><topic>plant ecology</topic><topic>Plants</topic><topic>Plants and fungi</topic><topic>Population dynamics</topic><topic>Population ecology</topic><topic>Ranunculus</topic><topic>Rhizomes</topic><topic>Rivers</topic><topic>Seed dispersal</topic><topic>Synecology</topic><topic>Winter</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johansson, M.E</creatorcontrib><creatorcontrib>Nilsson, C</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Periodicals Index Online Segment 05</collection><collection>Periodicals Index Online Segment 08</collection><collection>Periodicals Index Online Segment 31</collection><collection>Periodicals Index Online</collection><collection>Primary Sources Access—Foundation Edition (Plan E) - West</collection><collection>Primary Sources Access (Plan D) - International</collection><collection>Primary Sources Access & Build (Plan A) - 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The study focused on (a) the extent and range of dispersal, (b) relationships between dispersal and distribution of established stands of R. lingua, and between dispersal and environmental characteristics of the river (i.e. 'river status'), (c) the establishment success of vegetative diaspores, and (d) the relative changes in ramet numbers between years. Between 0.8 and 2.9% of the total population of ramets was estimated to disperse each year. Most rhizomes were dispersed within 1.5 km in a leptokurtic pattern. A river lake functioned as a dispersal barrier, preventing dispersal distances greater than 3 km. Vegetative diaspores were mainly dispersed to river curves and obstacles, and the distribution of established stands was highly correlated with these features. Establishment was low and probably strongly influenced by water-level fluctuation and winter conditions. Relative changes in ramet numbers varied between years and were correlated with water-level fluctuations during the present and previous growing seasons, with winter low-water, and with duration of spring-flood. The predictability of change was high within but low between stands.</abstract><cop>Oxford</cop><pub>British Ecological Society</pub><doi>10.2307/2261226</doi><tpages>11</tpages></addata></record> |
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| identifier | ISSN: 0022-0477 |
| ispartof | The Journal of ecology, 1993-03, Vol.81 (1), p.81-91 |
| issn | 0022-0477 1365-2745 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_16700593 |
| source | Periodicals Index Online; JSTOR Archive Collection A-Z Listing |
| subjects | Animal and plant ecology Animal, plant and microbial ecology Aquatic plants asexual reproduction Biological and medical sciences Demecology dispersal dispersal by water establishment Flowers & plants Freshwater Freshwater ecology Fundamental and applied biological sciences. Psychology Lakes plant ecology Plants Plants and fungi Population dynamics Population ecology Ranunculus Rhizomes Rivers Seed dispersal Synecology Winter |
| title | Hydrochory, population dynamics and distribution of the clonal aquatic plant Ranunculus lingua |
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