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Briofitas y pteridofitas en sedimentos del Holoceno de la provincia de Buenos Aires, Argentina

Authors: Prieto, A.R.; Quattrocchio, M.;

Briofitas y pteridofitas en sedimentos del Holoceno de la provincia de Buenos Aires, Argentina

Abstract

Sporcs of brJOphyt~s and p~cridophyt~s are dcscrib~d from Holoccnc sc di· mc:nls from Buenos Aires Province, Argentin a. Four genera o( bryorh)1CS: Riaia, Riel/a, Alll· /¡()(.eros and Pllacoceros .:md seven genera of pteridophytcs: Pi!rtlario, Aznl!a, Anemia, Notllo· faena, DOfj10plCris, Ot!!ilamilc.r o Pe/laca and PtHypotlium h:we been dCiermiucd. From their mcrphological \'ariations four spc:cics llclonging to thc gcnu.~ Pf¡acoccros h~\'C. bccn found: P. larn;s, P. rc1111is, P. bulbiculoms and P. curolinilmus . Thc morphological auai)'Si!J of the pre· st:nl da;· gcnc.r;, of Adiant:~ceae from Uut:.m~ Aires Provino: JIIO"-'Ccl 10 cl assify the fo~il sporcs lacking a perispore as Q¡cifamJ:cs or Pcl!aca. This rcsc:'lrch comait utcs lht lirst cvidcnce of thc cstab!ishmcnl of ptcridophytcs in thc arca of Vcntania (Buenos Aires Provincc) and ils relation to the probable rnigratory routc:s during the Holoc..1:ne amiJug thc AndcanPamrc:~ n, Austrai·Anl ilrCiic .1nd ALL~r;l!· Br.17.il ian p1L':ridorh)1k nora. PaiL!Ocnvironmcnl:ll irnpli cations of spores of bryoph)'1es antl preridüphyw, are: tlifliwlt lo inrerprc:l indepcndent of thc po llcn rccords Jnd tl'lcy only yicld information on local cnvironm~ nt ol condi tions..

Se describen csporJ!i de briu fil a~ y pteridolit~s provcnh.:nlc~ de ~imen to.i. del Holoccno de la Pro\·incia tJc Buenos Aires, Argcntin:l. Se diferenciaron cu.:uro géneros de brio lilas: Ricciu, Riclfo, A!lllroccros y Plumxcrvs )' sicle géneros de ptcridofitas: Piluloria, Anemia, Notl10laenfJ, DotyOpten·s, Cheilomlrt>s o Pclhmr y Pol)1wtJium. ~e determinaron cua· tro especie..~ del género Pllccoeeros : P. !ae1 is, P. umuis, P. hulhiculoms y P. caroli11imws a part ir de sus \'Jriacioncs morfológic:~s. El ;m51isi.s morfológico de los géneros actuales de Ac.liantuceac c.lc la Provincia de Bu~nos Aires permitió asignar l:~s C~JXIra.s fósiles carentes d-e perisporio al género Clwiftmthcs o Pcl!rtt•a. E:,tc !rabajtl con~tituyc b primcr;t t-\1d~ncia del establecimiento de: Jlleridolitas en el .~ rca de Ventania y su rclat:ión con las posihlc~ rutas migratorias entre las noras ptcridofitic:.s :w

Country
Spain
Related Organizations
Keywords

Briofitas, Pteridophytes, Pteridofitas, Briophytes, Buenos Aires (Argentina), Holoceno

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green