在巴西南部半落叶季节性森林遗迹的边缘和内部重新造林的种子库

IF 0.4 4区生物学 Q4 Agricultural and Biological Sciences

Iheringia Serie Botanica Pub Date : 2020-05-11 DOI:10.21826/2446-82312020v75e2020008

Larissa Rafaela Bargoena, A. L. Cavalheiro, Edmilson Bianchini

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引用次数: 0

摘要

为了比较季节性半落叶林残余林和邻近的再造林中种子库的组成，在森林内部(TIF)、森林边缘(TBF)、再造林边缘(TBR)和再造林内部(TIR) 4个样地采集了60份土壤样品。这些样品在温室中保存并监测了8个月。种子库按出苗法登记。TIF样带树木丰富度最高，其他样带以草本和风性植物为主。我们观察到河岸上出现了外来物种。再造林种子库中的树种丰富度较低，但接近于一个受保护的片段，这表明应评价和实施管理措施，以加速演替过程。

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Banco de sementes em reflorestamento, borda e interior de remanescente de floresta estacional semidecidual no sul do Brasil

In order to compare the composition of the seed bank in the seasonal semi-deciduous forest remnant and in the adjacent reforestation, 60 soil samples were collected in four transects allocated in the forest interior (TIF), forest edge (TBF), reforestation edge (TBR) and reforestation interior (TIR). These samples were kept in greenhouse and monitored for eight months. The seed bank was registered according to the seedling emergence method. TIF presented the greatest richness of trees, while in the other transects there was a predominance of herbaceous and anemochorous species. We observed the occurrence of exotic species in the bank. The low richness of tree species in the reforestation seed bank, despite its proximity to a conserved fragment, suggests that management actions should be evaluated and implemented in order to accelerate the successional process.

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来源期刊

Iheringia Serie Botanica PLANT SCIENCES-

CiteScore

0.70

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： The Iheringia, Série Botânica is a publication edited by the Museu de Ciências Naturais, Fundação Zoobotânica do Rio Grande do Sul, since 1958. The name Iheringia is actually a tribute to Hermann von Ihering (a German researcher who became a Brazilian citizen) and his important studies in the Natural Sciences.The journal has the mission of publishing articles, reviews and original scientific notes that cover diverse areas in Botany, and may be written in Portuguese, Spanish and English. The journal is widely available in both international and national scientific community. The issues are published and distributed twice a year to 118 national institutions and 152 international institutions. The distribution is either free of charge or by exchange. Impac Factor JCR 2014/2015 = 0.263 Qualis CAPES 2015: B 4 (Biodiversity) B1 (Agricultural Science I) B1 (Environment)