Dung beetles in a Caatinga Natural Reserve: a threatened Brazilian dry-forest with high biological value

IF 0.5 4区生物学 Q4 ZOOLOGY Iheringia Serie Zoologia Pub Date : 2017-12-11 DOI:10.1590/1678-4766E2017045

L. Vieira, F. Silva, J. Louzada

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引用次数: 5

Abstract

The Caatinga is an endemic and threatened dry-forest Biome distributed across northern Brazil. We evaluated the conservation value of a Caatinga Natural Reserve (NR) - Floresta Nacional (FLONA) Contendas do Sincora - using Scarabaeinae dung beetles as a biodiversity indicator. Specifically, we contrasted two zones impacted by distinct intensity of selective logging that happened inside the NR till 1997. Dung beetles were collected 14 years after logging, using baited pitfall traps within three main habitats (riparian forest, regenerating Caatinga or arboreal Caatinga) found in two zones (Preservation and Management Zones). A total of 1214 individuals from 21 species were sampled. The two zones presented distinct species composition, although the habitats did not exhibit such differences. Our results indicated that the secondary areas are in a conservation status similar to arboreal Caatinga and riparian forest, 14 yo after logging. Furthermore, we identified seven habitat-indicator species, two of them typical to Caatinga Biome, highlighting the importance of updates in NR management plan considering the Scarabaeinae regional diversity management.

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卡廷加自然保护区的屎壳郎:一个具有高生物价值的受威胁的巴西干燥森林

卡廷加是一种地方性的、受到威胁的干旱森林生物群系，分布在巴西北部。以金龟子科(Scarabaeinae)屎壳郎为生物多样性指标，对Caatinga自然保护区Floresta Nacional Contendas do Sincora进行了评价。具体来说，我们对比了两个区域在1997年之前在自然保护区内发生的不同强度的选择性采伐。在两个区域(保护区和管理区)的三个主要栖息地(河岸森林、再生Caatinga或乔木Caatinga)内使用诱饵陷阱收集了14年后的蜣螂。共采集21种1214个个体。两区物种组成差异明显，但生境差异不明显。结果表明，采伐后14年次生区处于类似于乔木林和河岸林的保护状态。此外，我们还发现了7种栖息地指示物种，其中2种是Caatinga生物群系的典型物种，强调了考虑到金龟科区域多样性管理，更新NR管理计划的重要性。

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来源期刊

Iheringia Serie Zoologia 生物-动物学

CiteScore

1.00

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The journal Iheringia, Série Zoologia, edited by the “Museu de Ciências Naturais” of the “Fundação Zoobotânica do Rio Grande do Sul”, publishes original research findings in zoology with emphasis on taxonomy, systematics, morphology, natural history, and community or population ecology of species from current Neotropical fauna. Scientific notes will not be accepted for publication. Species lists without a taxonomic approach, or that are not the result of studies on the ecology or natural history of communities will not normally be accepted. The same applies to identification keys of groups of taxa defined by political boundaries. Authors wishing to inquire about the scope of the journal or the suitability of a particular topic are encouraged to contact the Editorial Board prior to submission. Furthermore, articles with a main focus on agronomy, veterinary, zootechny or other areas involving applied zoology will not be accepted. Its abbreviated title is Iheringia, Sér. Zool., which should be used in bibliographies, footnotes and bibliographical references and strips.