Protected areas network and conservation efforts concerning threatened amphibians in the Brazilian Atlantic Forest

IF 2.3 3区 环境科学与生态学 Q2 ECOLOGY Web Ecology Pub Date : 2016-02-01 DOI:10.5194/WE-16-9-2016
F. Campos, G. Llorente, L. Rincón, Ricardo Lourenço-de-Moraes, M. Solé
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引用次数: 3

Abstract

Abstract. One of the most common conservation strategies used to preserve threatened species is the establishment of protected areas (PAs), providing a maximum representation of biodiversity with the smallest possible cost. The Brazilian Atlantic Forest is one of the 35 global biodiversity hotspots for conservation priorities, having high rate of habitat loss, which is one of the main factors driving threatened amphibians to extinction. Considering that amphibians are the vertebrate group with the largest number of species geographically excluded from global PAs, gap analysis was employed to evaluate whether or not the PAs of the Brazilian Atlantic Forest safeguard the threatened amphibian species in this region. Species status were compared through the official list of threatened species of the Brazilian Fauna and occurrence maps were obtained from the IUCN (International Union for Conservation of Nature) Red List database. Thirty-eight threatened amphibian species were found, accounting for 17 critically endangered (CR), 10 endangered (EN), and 11 vulnerable (VU). The PAs distributed in the Brazilian Atlantic Forest corresponds to only 9 % of the region's entire area. This protected network covers only 30 % of the total geographical range of the assessed species. Besides, a shift in Brazil's environmental policy has led to PAs downgrading. Therefore, the maintenance of PAs integrity is essential, as well as further investment is necessary for the creation of new reserves, avoiding species loss and reducing the extinction risk of the threatened amphibian species in the Brazilian Atlantic Forest.
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关于巴西大西洋森林中受威胁两栖动物的保护区网络和保护工作
摘要保护濒危物种最常用的保护策略之一是建立保护区,以尽可能小的成本提供最大限度的生物多样性。巴西大西洋森林是全球35个生物多样性保护重点热点之一,栖息地丧失率高,这是导致濒危两栖动物灭绝的主要因素之一。考虑到两栖动物是地理上被排除在全球保护区之外的物种数量最多的脊椎动物类群,本文采用gap分析法来评估巴西大西洋森林保护区是否保护了该地区的两栖动物濒危物种。物种状况通过巴西动物的官方濒危物种名录进行比较,并从IUCN(国际自然保护联盟)红色名录数据库中获得发生图。发现濒危两栖动物38种,其中重度濒危(CR) 17种,濒危(EN) 10种,易危(VU) 11种。分布在巴西大西洋森林的保护区仅占该地区总面积的9% %。这个受保护的网络只覆盖了被评估物种总地理范围的30% %。此外,巴西环境政策的转变也导致了信用评级的下调。因此,维护保护区的完整性至关重要,进一步的投资对于建立新的保护区是必要的,避免物种损失,减少巴西大西洋森林中受威胁的两栖动物物种的灭绝风险。
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来源期刊
Web Ecology
Web Ecology Agricultural and Biological Sciences-Ecology, Evolution, Behavior and Systematics
CiteScore
4.60
自引率
0.00%
发文量
6
审稿时长
17 weeks
期刊介绍: Web Ecology (WE) is an open-access journal issued by the European Ecological Federation (EEF) representing the ecological societies within Europe and associated members. Its special value is to serve as a publication forum for national ecological societies that do not maintain their own society journal. Web Ecology publishes papers from all fields of ecology without any geographic restriction. It is a forum to communicate results of experimental, theoretical, and descriptive studies of general interest to an international audience. Original contributions, short communications, and reviews on ecological research on all kinds of organisms and ecosystems are welcome as well as papers that express emerging ideas and concepts with a sound scientific background.
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