Caracterização de uma floresta estacional semidecidual em Varginha, MG. E comparação com remanescentes da região

Naves, Rafaela Pereira; Berg, Eduardo van den

doi:10.1590/s0104-77602012000300002

Cited by 6 publications

(6 citation statements)

References 8 publications

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“…In the canopy stratum the highest richness was represented by Fabaceae, Myrtaceae, Lauraceae, Meliaceae and Euphorbiaceae families. The same pattern of species richness among families was pointed out by other floristic surveys in semideciduous Atlantic Forest (van den Berg & Oliveira -Filho 2000, Filho & Santin 2002, Oliveira-Filho 2006, Silva et al 2009, Naves & Berg 2012, Torres et al 2017, Reis et al 2015, Cunha & Junior 2018. Even in understory strata, the families that showed the highest richness were represented by Myrtaceae, Fabaceae, Rubiaceae, Melastomataceae and Lauraceae; all of them are commonly found in the mature stage of Semideciduous Atlantic forests (Oliveira Filho & Fontes 2000, Estevan et al 2016, Torres et al 2017.…”

Section: Discussionsupporting

confidence: 80%

Small forest fragments and their importance for conservation of tree communities in Atlantic Semideciduous Forest

Carneiro,

Ribeiro,

Campos

et al. 2023

Iheringia Ser Bot

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It is important to consider the ecological relevance of small forest fragments, especially in areas that have high deforestation rates and few inventories. We aim to describe two stratum of tree communities from small fragments of Atlantic Semideciduous Forest in a highly fragmented landscape. We inventoried all woody individuals taller than 1.3 m in nine fragments, in ten 10 x 20 m plots per fragment. We sampled 8323 individuals and 303 species. Large numbers of species (33.66%) and families (20.7%) occurred only in the understory, while two families (16.4%) and 38 (12.21%) species occurred only in the tree stratum. Sampling two forest stratum was important because we found different species, due the inclusion of permanent wood species of the understory, in addition to young and adult tree individuals. Moreover, we could demonstrate the regeneration potential of the forest and that small forest fragments could present high diversity, with many rare and threatened species. Therefore, small fragments could be valuable to preserve biodiversity in highly fragmented landscapes.

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Section: Discussionsupporting

confidence: 80%

Small forest fragments and their importance for conservation of tree communities in Atlantic Semideciduous Forest

Carneiro,

Ribeiro,

Campos

et al. 2023

Iheringia Ser Bot

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“…that occurred toward the dry forest. In addition, only Sebastiania brasiliensis Spreng., Eugenia sonderiana O.Berg, and Luehea grandiflora Mart., which are also found in semideciduous forests (Bertani et al, 2001;Cardoso and Schiavini, 2002;Naves and van-den-Berg, 2012), predominated in the intermediary values of the gradient of soil composition. Thus, only few species might especially benefit from this narrow ecotonal border between our studied physiognomies, highlighting the subtle change between the cerrado stricto sensu and dry forest areas.…”

Section: Discussionmentioning

confidence: 77%

Woody species distribution across a savanna-dry forest soil gradient in the Brazilian Cerrado

et al. 2023

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Although richness and distribution of woody species in the Cerrado physiognomies have been extensively studied, the shifts of woody species from savanna physiognomies to dry forests have not yet been addressed. Here, we investigate the effect of soil physical-chemical traits on the woody species turnover between adjacent cerrado stricto sensu and dry forest physiognomies. Woody species were surveyed, and soil and topographic variables measured, in 30 10×40 m plots systematically distributed, with 15 plots in each physiognomy. We found a spatially structured distribution of woody species, and differences of soil traits between cerrado stricto sensu and dry forest areas, mainly related to the aluminum saturation, base saturation, and available phosphorus. Aluminum saturation increased toward the savanna area, while base saturation increased toward the dry forest. Most woody species predominated in one physiognomy, such as Callisthene major in the cerrado stricto sensu and Anadenanthera colubrina in the dry forest. Only 20% of the species were widely distributed across both physiognomies or, not often, restricted to the intermediary values of the soil gradient. General results indicate that contrasting soil traits between cerrado stricto sensu and dry forest produce a strongly spatially organized and sharp transition in terms of species distribution between these physiognomies.

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“…In this sense, the adaptative variations of Myrcia splendens allow its occurrence in different vegetation types, since the individual is able to explore new niches with efficiency (Amorim & Melo Júnior 2016). Thus, the species is considered as generalist and the pattern found is common to other species of this group (Naves & van den Berg 2012).…”

Section: Discussionmentioning

confidence: 99%

Light conditions affect Myrcia splendens (Sw.) DC. functional traits in an Atlantic Forest, Southeast, Brazil

Santana

Pereira

Cordeiro

et al. 2022

Hoehnea

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Solar radiation is one of the aspects which most influence species composition, so light is a limiting factor to tree growth in forests. This study aimed to evaluate the leaf morphological variations between individuals of the Myrcia splendens (Sw.) DC. species under different light conditions in an urban forest. The fragment is characterized by having an open canopy area and an advanced regeneration stage in which branches of five individuals were collected, totaling 100 leaves. The traits evaluated were leaf area, fresh biomass, dry biomass, water content, specific leaf area and leaf dry matter content. An analysis of variance showed that most of the morphological traits (dry biomass, specific leaf area, leaf dry matter content) varied significantly. Furthermore, variables such as dry biomass, water content and leaf area showed a high correlation with fresh biomass in both areas. The morphological variation found in M. splendens allows for creating growth and establishment strategies according to the environmental conditions.

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Caracterização de uma floresta estacional semidecidual em Varginha, MG. E comparação com remanescentes da região

Cited by 6 publications

References 8 publications

Small forest fragments and their importance for conservation of tree communities in Atlantic Semideciduous Forest

Small forest fragments and their importance for conservation of tree communities in Atlantic Semideciduous Forest

Woody species distribution across a savanna-dry forest soil gradient in the Brazilian Cerrado

Light conditions affect Myrcia splendens (Sw.) DC. functional traits in an Atlantic Forest, Southeast, Brazil

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