Structure of the tree component of a riparian seasonal decidual forest in Jaguari, RS, Brazil

被引：8

作者：

Callegaro, Rafael Marian ^{[1
]}

Longhi, Solon Jonas ^{[2
]}

Bentancor Araujo, Ana Claudia ^{[3
]}

Kanieski, Maria Raquel ^{[4
]}

Floss, Paulo Alfonso ^{[5
]}

Gracioli, Cibele Rosa ^{[4
]}

机构：

[1] Univ Fed Santa Maria, Programa Posgrad Engn Florestal, BR-97105900 Santa Maria, RS, Brazil

[2] Univ Fed Santa Maria, Dept Ciencias Florestais, BR-97105900 Santa Maria, RS, Brazil

[3] Inst Fed Farroupilha, Alegrete, RS, Brazil

[4] Univ Fed Parana UFPR, Programa Posgrad Engn Florestal, Curitiba, PR, Brazil

[5] Empresa Pesquisa Agropecuaria & Extensao Rural Sa, Chapeco, SC, Brazil

来源：

CIENCIA RURAL | 2012年 / 42卷 / 02期

关键词：

phytosociology; tree stratum; community structure; riparian forest; southern plateau; FRAGMENTS;

D O I：

10.1590/S0103-84782012000200019

中图分类号：

S3 [农学（农艺学）];

学科分类号：

0901 ;

摘要：

This study analyzed the tree component structure of a riparian seasonal decidual forest, in Jaguari, RS. Data was collected in 15 10mx10m-plots randomly assigned along the riparian forest of a Jaguari river tributary. In these plots trees showing DBH equal or above 5cm were identified and measured. Podocarpus lambertii, Sebastiania commersoniana and Lithrea molleoides were the most representative species of the riparian forest. The tree diameter distribution in general and for the species with the higher importance value index showed the inverted "J" trend, typical of uneven-aged forests, and unbalanced structure resulting from different mortality and recruitment rates. The vertical and height species structure showing the highest importance value tended to normal distribution, with most of the individuals positioned in or close to the average height class.

引用

页码：305 / 311

页数：7

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