Florística e fitossociologia do componente arbóreo da transição Floresta Ombrófila Densa das Terras Baixas - Floresta Ombrófila Densa Submontana do Núcleo Picinguaba/PESM, Ubatuba, sudeste do Brasil

Campos, Mariana; Tamashiro, Jorge Yoshio; Assis, Marco Antônio; Joly, Carlos Alfredo

doi:10.1590/s1676-06032011000200030

Cited by 19 publications

(18 citation statements)

References 22 publications

(19 reference statements)

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“…(Germano-Filho 1999), where we can find typical Montane tropical forests (Veloso et al 1991). Even though B. australis can be found both on higher and lower slopes (Oliveira-Filho and Fontes 2000), we observed that the highest estimated abundances (>10 indiv.ha À1 ) are on the upper slopes (e.g., Arzolla 2002;Leite and Rodrigues 2008;Padgurschi et al 2011;Pereira 2011;Sanchez et al 2013), while the lowest densities are recorded on the lower ones (e.g., Moreno et al 2003;Campos et al 2011;Gomes et al 2011;Prata et al 2011;Sanchez et al 2013), with rare exceptions (e.g., Gomes et al 2011;Ramos et al 2011). For this reason, we believe that the conditions found on the higher slopes are more favorable to the spreading of B. australis populations than the conditions found on the lower slopes, which would affect the species' genetic diversity.…”

Section: Introductioncontrasting

confidence: 51%

Elevation as a barrier: genetic structure for an Atlantic rain forest tree (Bathysa australis) in the Serra do Mar mountain range, SE Brazil

Reis

Ciampi‐Guillardi

Bajay

et al. 2015

Ecology and Evolution

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Distance and discrete geographic barriers play a role in isolating populations, as seed and pollen dispersal become limited. Nearby populations without any geographic barrier between them may also suffer from ecological isolation driven by habitat heterogeneity, which may promote divergence by local adaptation and drift. Likewise, elevation gradients may influence the genetic structure and diversity of populations, particularly those marginally distributed. Bathysa australis (Rubiaceae) is a widespread tree along the elevation gradient of the Serra do Mar, SE Brazil. This self-compatible species is pollinated by bees and wasps and has autochoric seeds, suggesting restricted gene dispersal. We investigated the distribution of genetic diversity in six B. australis populations at two extreme sites along an elevation gradient: a lowland site (80–216 m) and an upland site (1010–1100 m.a.s.l.). Nine microsatellite loci were used to test for genetic structure and to verify differences in genetic diversity between sites. We found a marked genetic structure on a scale as small as 6 km (FST = 0.21), and two distinct clusters were identified, each corresponding to a site. Although B. australis is continuously distributed along the elevation gradient, we have not observed a gene flow between the extreme populations. This might be related to B. australis biological features and creates a potential scenario for adaptation to the different conditions imposed by the elevation gradient. We failed to find an isolation-by-distance pattern; although on the fine scale, all populations showed spatial autocorrelation until ∼10-20 m. Elevation difference was a relevant factor though, but we need further sampling effort to check its correlation with genetic distance. The lowland populations had a higher allelic richness and showed higher rare allele counts than the upland ones. The upland site may be more selective, eliminating rare alleles, as we did not find any evidence for bottleneck.

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Section: Introductioncontrasting

confidence: 51%

Elevation as a barrier: genetic structure for an Atlantic rain forest tree (Bathysa australis) in the Serra do Mar mountain range, SE Brazil

Reis

Ciampi‐Guillardi

Bajay

et al. 2015

Ecology and Evolution

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“…The tree species were selected based on floristic lists of regional native species typical of Swamp Forests (Campos et al, 2011;Marques et al, 2003;Paschoal & Cavassan, 1999;Toniato et al, 1998, Ivanauskas, 1997, Oliveira-Filho & Ratter, 1995Torres et al, 1994), as well as on their availability in nurseries, the following were selected: Calophyllum brasiliense Cambess. …”

Section: Species Selectionmentioning

confidence: 99%

Evaluation of Four Methods for Restoring a Degraded Swamp Forest

Marconato¹,

Maimoni-Rodella²,

Attanasio³

2015

OJF

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Swamp Forests occur in permanently wet soils, with specific ecosystem which contributes to the conservation of biodiversity and water resources. However, there are many gaps in knowledge about the restoration of these forests. The present study was conducted in a degraded wetland in the town of Mineiros do Tietê, located in the state of São Paulo, Brazil, in order to test the efficiency of four methods for restoring a Swamp Forest (small mound, acclimated seedling, dry season and conventional tillage), using six forest tree species typical of this type of forest: Calophyllum brasiliense Cambess., Citharexylon myrianthum Cham., Cedrela odorata L., Tapirira

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“…porophylla ( hereafter meridionalis ). Both species were among the ten most‐abundant species in the study area (Assis et al, ; Campos, Tamashiro, Assis, & Joly, ; Prata, Assis, & Joly, ). They are sub‐canopy species, reaching heights of approximately 10 m, and have branches and leaves with an opposite decussate arrangement.…”

Section: Methodsmentioning

confidence: 98%

Differences in architecture and performance between two sub‐canopy congeneric tropical tree species

Costa

Santos

2020

Biotropica

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We report architectural divergence between two congeneric tropical tree species coexisting in the same stratum which suggests different strategies: reducing selfshading and support costs, or maximizing light foraging. We found species-specific differential performance across light environments, suggesting that architectural differentiation could facilitate the coexistence of species with similar vertical habitat.Abstract in Portuguese is available with online material. K E Y W O R D S allometry, Atlantic forest, Brazil, Coexistence, Coussarea, growth strategies, shade tolerance, tree life history AUTH O R CO NTR I B UTI O N S Costa, R.C. involved in conceptualization, data curation, formal analysis, funding acquisition, investigation, methodology, project administration, visualization, and wrote the original draft and reviewed the manuscript. Santos, F.A.M. involved in conceptualization, funding acquisition, methodology, project administration, resources, supervision, and reviewed the manuscript. E TH I C A L A PPROVA LEthical guidelines do not apply to this study.

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Florística e fitossociologia do componente arbóreo da transição Floresta Ombrófila Densa das Terras Baixas - Floresta Ombrófila Densa Submontana do Núcleo Picinguaba/PESM, Ubatuba, sudeste do Brasil

Cited by 19 publications

References 22 publications

Elevation as a barrier: genetic structure for an Atlantic rain forest tree (Bathysa australis) in the Serra do Mar mountain range, SE Brazil

Elevation as a barrier: genetic structure for an Atlantic rain forest tree (Bathysa australis) in the Serra do Mar mountain range, SE Brazil

Evaluation of Four Methods for Restoring a Degraded Swamp Forest

Differences in architecture and performance between two sub‐canopy congeneric tropical tree species

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