Mast fruiting and seedling survival of the ectomycorrhizal, monodominant Dicymbe corymbosa (Caesalpiniaceae) in Guyana.
Identifieur interne : 003512 ( Main/Corpus ); précédent : 003511; suivant : 003513Mast fruiting and seedling survival of the ectomycorrhizal, monodominant Dicymbe corymbosa (Caesalpiniaceae) in Guyana.
Auteurs : Terry W. Henkel ; Jordan R. Mayor ; Lance P. WoolleySource :
- The New phytologist [ 0028-646X ] ; 2005.
English descriptors
- KwdEn :
- Chronobiology Phenomena (MeSH), Ecosystem (MeSH), Fabaceae (growth & development), Fabaceae (metabolism), Fabaceae (microbiology), Germination (MeSH), Guyana (MeSH), Minerals (metabolism), Mycorrhizae (physiology), Seedlings (growth & development), Seeds (growth & development), Soil (analysis), Symbiosis (MeSH), Tropical Climate (MeSH).
- MESH :
- chemical , analysis : Soil.
- chemical , metabolism : Minerals.
- growth & development : Fabaceae, Seedlings, Seeds.
- metabolism : Fabaceae.
- microbiology : Fabaceae.
- physiology : Mycorrhizae.
- Chronobiology Phenomena, Ecosystem, Germination, Guyana, Symbiosis, Tropical Climate.
Abstract
In Guyana, we investigated seed output, and resulting seedling establishment and survival, during a 'mast' year, by the ectomycorrhizal, monodominant rainforest canopy tree Dicymbe corymbosa (Caesalpiniaceae), a species with high, synchronous seed production at intermittent years. By utilizing seed traps, the mast seed output, predation, carbon and mineral investment, and masting synchrony were quantified in 2003 in primary D. corymbosa forests. Establishment of seedling cohorts was monitored, and climatic conditions associated with masting were assessed. During 2003, D. corymbosa in the Pakaraima Mountains exhibited high, synchronous seed production with low dispersal and predation. Investment in reproductive biomass was large relative to that in other tropical forests. Recent D. corymbosa reproductive events followed El Nino-induced droughts, with little intervening seed production. Over 12 months, 40% of the 2003 seedling cohort survived. Our results suggest that D. corymbosa has a strongly bimodal fruiting pattern that allows the establishment of a large seedling bank, facilitating persistent monodominance. Resource investment in large seed crops may depend on mineral recycling via ectomycorrhizas, coupled with the reallocation of carbon from vegetative maintenance.
DOI: 10.1111/j.1469-8137.2005.01431.x
PubMed: 15998405
Links to Exploration step
pubmed:15998405Le document en format XML
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Woolley</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:15998405</idno><idno type="pmid">15998405</idno><idno type="doi">10.1111/j.1469-8137.2005.01431.x</idno><idno type="wicri:Area/Main/Corpus">003512</idno><idno type="wicri:explorRef" wicri:stream="Main" wicri:step="Corpus" wicri:corpus="PubMed">003512</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Mast fruiting and seedling survival of the ectomycorrhizal, monodominant Dicymbe corymbosa (Caesalpiniaceae) in Guyana.</title><author><name sortKey="Henkel, Terry W" sort="Henkel, Terry W" uniqKey="Henkel T" first="Terry W" last="Henkel">Terry W. Henkel</name><affiliation><nlm:affiliation>Department of Biological Sciences, Humboldt State University, Arcata, CA 95521, USA. twh5@humboldt.edu</nlm:affiliation></affiliation></author><author><name sortKey="Mayor, Jordan R" sort="Mayor, Jordan R" uniqKey="Mayor J" first="Jordan R" last="Mayor">Jordan R. Mayor</name></author><author><name sortKey="Woolley, Lance P" sort="Woolley, Lance P" uniqKey="Woolley L" first="Lance P" last="Woolley">Lance P. 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By utilizing seed traps, the mast seed output, predation, carbon and mineral investment, and masting synchrony were quantified in 2003 in primary D. corymbosa forests. Establishment of seedling cohorts was monitored, and climatic conditions associated with masting were assessed. During 2003, D. corymbosa in the Pakaraima Mountains exhibited high, synchronous seed production with low dispersal and predation. Investment in reproductive biomass was large relative to that in other tropical forests. Recent D. corymbosa reproductive events followed El Nino-induced droughts, with little intervening seed production. Over 12 months, 40% of the 2003 seedling cohort survived. Our results suggest that D. corymbosa has a strongly bimodal fruiting pattern that allows the establishment of a large seedling bank, facilitating persistent monodominance. Resource investment in large seed crops may depend on mineral recycling via ectomycorrhizas, coupled with the reallocation of carbon from vegetative maintenance.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">15998405</PMID><DateCompleted><Year>2005</Year><Month>09</Month><Day>29</Day></DateCompleted><DateRevised><Year>2020</Year><Month>09</Month><Day>30</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0028-646X</ISSN><JournalIssue CitedMedium="Print"><Volume>167</Volume><Issue>2</Issue><PubDate><Year>2005</Year><Month>Aug</Month></PubDate></JournalIssue><Title>The New phytologist</Title><ISOAbbreviation>New Phytol</ISOAbbreviation></Journal><ArticleTitle>Mast fruiting and seedling survival of the ectomycorrhizal, monodominant Dicymbe corymbosa (Caesalpiniaceae) in Guyana.</ArticleTitle><Pagination><MedlinePgn>543-56</MedlinePgn></Pagination><Abstract><AbstractText>In Guyana, we investigated seed output, and resulting seedling establishment and survival, during a 'mast' year, by the ectomycorrhizal, monodominant rainforest canopy tree Dicymbe corymbosa (Caesalpiniaceae), a species with high, synchronous seed production at intermittent years. By utilizing seed traps, the mast seed output, predation, carbon and mineral investment, and masting synchrony were quantified in 2003 in primary D. corymbosa forests. Establishment of seedling cohorts was monitored, and climatic conditions associated with masting were assessed. During 2003, D. corymbosa in the Pakaraima Mountains exhibited high, synchronous seed production with low dispersal and predation. Investment in reproductive biomass was large relative to that in other tropical forests. Recent D. corymbosa reproductive events followed El Nino-induced droughts, with little intervening seed production. Over 12 months, 40% of the 2003 seedling cohort survived. Our results suggest that D. corymbosa has a strongly bimodal fruiting pattern that allows the establishment of a large seedling bank, facilitating persistent monodominance. Resource investment in large seed crops may depend on mineral recycling via ectomycorrhizas, coupled with the reallocation of carbon from vegetative maintenance.</AbstractText><CopyrightInformation>Copyright New Phytologist (2005).</CopyrightInformation></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Henkel</LastName><ForeName>Terry W</ForeName><Initials>TW</Initials><AffiliationInfo><Affiliation>Department of Biological Sciences, Humboldt State University, Arcata, CA 95521, USA. twh5@humboldt.edu</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Mayor</LastName><ForeName>Jordan R</ForeName><Initials>JR</Initials></Author><Author ValidYN="Y"><LastName>Woolley</LastName><ForeName>Lance P</ForeName><Initials>LP</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType UI="D016428">Journal Article</PublicationType><PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>New Phytol</MedlineTA><NlmUniqueID>9882884</NlmUniqueID><ISSNLinking>0028-646X</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D008903">Minerals</NameOfSubstance></Chemical><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance UI="D012987">Soil</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><CommentsCorrectionsList><CommentsCorrections RefType="CommentIn"><RefSource>New Phytol. 2005 Aug;167(2):324-6</RefSource><PMID Version="1">15998386</PMID></CommentsCorrections></CommentsCorrectionsList><MeshHeadingList><MeshHeading><DescriptorName UI="D002909" MajorTopicYN="N">Chronobiology Phenomena</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D017753" MajorTopicYN="N">Ecosystem</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D007887" MajorTopicYN="N">Fabaceae</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="Y">growth & development</QualifierName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName><QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D018525" MajorTopicYN="N">Germination</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D006172" MajorTopicYN="N">Guyana</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D008903" MajorTopicYN="N">Minerals</DescriptorName><QualifierName UI="Q000378" MajorTopicYN="N">metabolism</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D038821" MajorTopicYN="N">Mycorrhizae</DescriptorName><QualifierName UI="Q000502" MajorTopicYN="Y">physiology</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D036226" MajorTopicYN="N">Seedlings</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012639" MajorTopicYN="N">Seeds</DescriptorName><QualifierName UI="Q000254" MajorTopicYN="N">growth & development</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D012987" MajorTopicYN="N">Soil</DescriptorName><QualifierName UI="Q000032" MajorTopicYN="N">analysis</QualifierName></MeshHeading><MeshHeading><DescriptorName UI="D013559" MajorTopicYN="N">Symbiosis</DescriptorName></MeshHeading><MeshHeading><DescriptorName UI="D014329" MajorTopicYN="N">Tropical Climate</DescriptorName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2005</Year><Month>7</Month><Day>7</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2005</Year><Month>9</Month><Day>30</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2005</Year><Month>7</Month><Day>7</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="pubmed">15998405</ArticleId><ArticleId IdType="pii">NPH1431</ArticleId><ArticleId IdType="doi">10.1111/j.1469-8137.2005.01431.x</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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