GROWTH MODELS FOR Araucaria angustifolia (BERTOL.) KUNTZE IN DIFFERENT ECOLOGICAL GRADIENTS IN THE STATE OF SANTA CATARINA

Q4 Environmental Science

Floresta Pub Date : 2022-10-07 DOI:10.5380/rf.v52i4.71978

P. Ricken, Patrícia Póvoa de Mattos, Evaldo Muñoz Braz, A. Hess, Nelson Yoshihiro Nakajima, Roberto Tuyoshi Hosokawa

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引用次数: 1

Abstract

The growth of one or more individuals in a forest is variable with the biotic and abiotic conditions of the environment. Therefore, the objective of this article was to obtain the age and growth estimates of Araucaria angustifolia, in different altitude gradients of occurrence of the species, and to identify the culmination points in the basal area. The study covered three areas with Araucaria Forest in Santa Catarina state, considering different altitudes of occurrence of the species. Non-destructive samples were collected from 226 trees, 76, 73 and 77 trees in areas 1, 2 and 3, respectively. Using the time series, diametric growth models were adjusted, allowing to obtain the curves of current annual increment and average annual increment. In area 1, the age range of the samples was 174 years, in area 2, it was 170 years and in area 3, it was 42 years. The average annual increment for areas 1, 2 and 3 were 0.33 cm, 0.51 cm and 1.01 cm, respectively. Araucaria manages to reach a high growth potential when it is in better development conditions (soil, nutrients, light…).Keywords: Araucaria forest. Dendrochronology. Altitude.

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针叶Araucaria angustifolia (BERTOL)生长模型圣卡塔琳娜州不同生态梯度的孔茨

森林中一个或多个个体的生长随环境的生物和非生物条件而变化。因此，本文的目的是在不同海拔梯度的物种发生条件下，获得刺叶沙刺槐的年龄和生长估计值，并在基底区确定顶点。该研究涵盖了圣卡塔琳娜州的三个有Araucaria森林的地区，考虑到该物种发生的不同高度。在1区、2区和3区分别采集了226棵、76棵、73棵和77棵非破坏性样本。利用时间序列对直径增长模型进行调整，得到当前年增量和平均年增量曲线。1区样本年龄为174岁，2区样本年龄为170岁，3区样本年龄为42岁。区1、区2和区3的年平均增加量分别为0.33 cm、0.51 cm和1.01 cm。在较好的发展条件下(土壤、养分、光照……)，龙葵能够达到较高的生长潜力。关键词:荒砂林;树木年代学。高度。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Floresta Environmental Science-Nature and Landscape Conservation

CiteScore

0.80

自引率

0.00%

发文量

期刊介绍： Revista Floresta admits articles of scientific contribution in Forest Science, in the areas of Nature Conservation, Economy and Forest Policy, Forest Management, Silviculture and Wood Technology. The main task is to promote and divulgate the development of Forest Science in Brazil and in the world. Articles published in Revista Floresta are under total responsibility of the authors, who are aware that they are original studies. It remains implicit that articles were not submitted for publication to any other divulgation media. It remains explicit the agreement of authors to norms of the journal and, along the development of their work, the observance of ethic aspects and respect of the current copyright legislation.