Is Size Structure A Good Measure Of Future Trends Of Plant Populations? An Empirical Approach Using Five Woody Species From The Cerrado (brazilian Savanna) [a Estrutura De Tamanho é Uma Boa Medida De Tendências Futuras Em Populacẽes De Plantas? Uma Abordagem Empírica Com Cinco Espécies Lenhosas De Cerrado]

dc.creatorVirillo C.B.
dc.creatorMartins F.R.
dc.creatorTamashiro J.Y.
dc.creatordos Santos F.A.M.
dc.date2011
dc.date2015-06-30T20:34:43Z
dc.date2015-11-26T14:51:35Z
dc.date2015-06-30T20:34:43Z
dc.date2015-11-26T14:51:35Z
dc.date.accessioned2018-03-28T22:03:14Z
dc.date.available2018-03-28T22:03:14Z
dc.identifier
dc.identifierActa Botanica Brasilica. , v. 25, n. 3, p. 593 - 600, 2011.
dc.identifier1023306
dc.identifier
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-82855167142&partnerID=40&md5=cd6e3f3f6843d76d1d74fc4fa81bf9d0
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/108484
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/108484
dc.identifier2-s2.0-82855167142
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1254520
dc.descriptionSize distributions in woody plant populations have been used to assess their regeneration status, assuming that size structures with "reverse-J" shapes represent stable populations. We present an empirical approach of this issue using five woody species from the Cerrado. Considering count data for all plants of these five species over a 12-year period, we analyzed size distribution by: a) plotting frequency distributions and their adjustment to the negative exponential curve and b) calculating the Gini coefficient. To look for a relationship between size structure and future trends, we considered the size structures from the first census year. We analyzed changes in number over time and performed a simple population viability analysis, which gives the mean population growth rate, its variance and the probability of extinction in a given time period. Frequency distributions and the Gini coefficient were not able to predict future trends in population numbers. We recommend that managers should not use measures of size structure as a basis for management decisions without applying more appropriate demographic studies.
dc.description25
dc.description3
dc.description593
dc.description600
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dc.languageen
dc.languagept
dc.publisher
dc.relationActa Botanica Brasilica
dc.rightsaberto
dc.sourceScopus
dc.titleIs Size Structure A Good Measure Of Future Trends Of Plant Populations? An Empirical Approach Using Five Woody Species From The Cerrado (brazilian Savanna) [a Estrutura De Tamanho é Uma Boa Medida De Tendências Futuras Em Populacẽes De Plantas? Uma Abordagem Empírica Com Cinco Espécies Lenhosas De Cerrado]
dc.typeArtículos de revistas


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