Why is it so easy to undergo devegetation in the Brazilian Cerrado?

IF 4 2区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Perspectives in Ecology and Conservation Pub Date : 2024-07-01 DOI:10.1016/j.pecon.2024.08.003

Ricardo B Machado , Ludmilla MS Aguiar , Mercedes MC Bustamante

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Abstract

The Cerrado, the second largest biome in Brazil and home to nearly 5% of global biodiversity, has experienced a resurgence of devegetation due to the expansion of agribusiness activities. For the last two years, the devegetated area was more than one million hectares per year, surpassing the suppressed vegetation in the Amazon for the same period. Thus, the biome that is already the most impacted in Brazil is rapidly going to a critical tipping point of conservation, when conservation actions, like habitat restoration and species management, will be inviable due to the high cost. Such a situation results from political decisions taken years ago to expand the agricultural frontier to its northern portion, where environmental and social impacts are of high concern. We argue that a new development model is urgently needed to be implemented in the region with most of the remaining natural area.

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为什么巴西塞拉多地区很容易发生植被破坏？

塞拉多（Cerrado）是巴西第二大生物群落，拥有全球近 5%的生物多样性。在过去的两年里，每年植被减少的面积超过 100 万公顷，超过了同期亚马逊地区植被减少的面积。因此，巴西受影响最大的生物群落正迅速进入保护的临界点，届时，生境恢复和物种管理等保护行动将因成本过高而无法实施。造成这种局面的原因是多年前做出的将农业疆域扩展到北部的政治决定，而北部地区的环境和社会影响备受关注。我们认为，迫切需要在拥有大部分剩余自然区域的地区实施新的发展模式。

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

Perspectives in Ecology and Conservation Environmental Science-Nature and Landscape Conservation

CiteScore

7.80

自引率

4.30%

发文量

审稿时长

59 days

期刊介绍： Perspectives in Ecology and Conservation (PECON) is a scientific journal devoted to improving theoretical and conceptual aspects of conservation science. It has the main purpose of communicating new research and advances to different actors of society, including researchers, conservationists, practitioners, and policymakers. Perspectives in Ecology and Conservation publishes original papers on biodiversity conservation and restoration, on the main drivers affecting native ecosystems, and on nature’s benefits to people and human wellbeing. This scope includes studies on biodiversity patterns, the effects of habitat loss, fragmentation, biological invasion and climate change on biodiversity, conservation genetics, spatial conservation planning, ecosystem management, ecosystem services, sustainability and resilience of socio-ecological systems, conservation policy, among others.