Are we ready to restore South Brazilian grasslands? Plant material and legal requirements for restoration and plant production

IF 0.9 4区生物学 Q4 PLANT SCIENCES

Acta Botanica Brasilica Pub Date : 2022-01-01 DOI:10.1590/0102-33062021abb0155

R. G. Rolim, M. F. Rosenfield, G. Overbeck

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引用次数: 4

Abstract

The need for grassland restoration in the State of Rio Grande do Sul (RS), Brazil, has become evident in the last two decades, when more than 1 million hectares were converted to other uses only in the Pampa region. Since then, studies have started to verify the most suitable ways to restore subtropical grasslands. Around the world, species introduction is one of the principal restoration techniques. We investigated the availability of seedlings and seeds of native grassland species in the local market and the legal framework regarding the restoration of grassland vegetation in RS. We found, in total, only seven companies that sold seedlings or seeds of nine native species from grasslands, a very limited number given the great biodiversity of South Brazilian grasslands. In addition to that, we found no criteria and procedures for grassland conversion or obligatory replacement established in legal norms for grasslands to Pampa region, as there are for forest vegetation. Without legal requirement, a market for seeds and seedlings likely will not develop and, without a market, there will be no producers, and restoration will remain limited. Our results support the need to create initiates and legislation with basic guidelines for the grassland conversion and restoration in RS.

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我们准备好恢复巴西南部草原了吗?修复和植物生产的植物材料和法律要求

在过去二十年中，巴西南里奥格兰德州(RS)草地恢复的必要性已经变得明显，仅在潘帕草原地区就有100多万公顷土地被转为其他用途。从那时起，研究开始验证最适合恢复亚热带草原的方法。在世界范围内，物种引进是主要的恢复技术之一。我们调查了当地市场上本土草原物种的幼苗和种子的可用性，以及RS草原植被恢复的法律框架。我们发现，总共只有7家公司出售来自草原的9种本土物种的幼苗或种子，考虑到巴西南部草原的巨大生物多样性，数量非常有限。此外，我们没有发现在法律规范中为潘帕草原地区的草原转换或强制性替代规定了标准和程序，而森林植被则有。如果没有法律要求，种子和幼苗的市场可能不会发展，没有市场，就不会有生产者，恢复也将是有限的。我们的研究结果表明，有必要为青藏高原的草地转换和恢复制定基本准则。

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

Acta Botanica Brasilica PLANT SCIENCES-

CiteScore

2.30

自引率

9.10%

发文量

审稿时长

6-12 weeks

期刊介绍： Experimental, theoretical and applied papers on all aspects of plant (including algae) and fungi biology are welcome. The submitted manuscript or its essential content must not have been published previously or be under consideration for publication elsewhere. Contributions should be substantial, written in high-quality English and show general interest. We expect that the submitted manuscript presents a great novelty in Botany, and this should attract a wide audience. Considering this, case studies are only considered if the narrative and implications are provided to be of general interest. Thus, manuscripts that report aspects of local interest are discouraged unless the implications of the findings are wide-reaching. Manuscripts with agronomic subjects are expected to contain a substantial amount of basic plant biology. Please see below some details for specific area.