Bryofloristic diversity and conservation value of a protected area in the Brazilian semi-arid region

IF 17.7 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2024-05-09 DOI:10.11646/phytotaxa.647.2.3

Joany Silva, Karen Evellyn ARAÚJO ALBUQUERQUE, Dilma Maria DE BRITO MELO TROVÃO, Sérgio DE FARIA LOPES

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Abstract

We collected 137 samples (71—rainy season; 66—dry) for the Brazilian state of Paraíba. With a total of 23 species (one hornwort, 14 mosses and nine liverworts), we updated the bryoflora of Paraíba, a hotspot of bryophytes, by one rare species (Weissia controversa), increasing the total number of species to 188. The floristic composition in the Poeta e Repentista Juvenal de Oliveira State Park is affected by chronic anthropogenic disturbances, and is typical of arid environments, regardless of the season. This indicates homogenization of the habitat from the loss of ecological niche due to the disordered use of local natural resources. However, the record of Philonotis hastata, categorized as Near Threatened by the IUCN; the geographic expansion of a species; and the presence of rare species for Brazil reinforce the importance of the Conservation Unit for bryophyte biodiversity. Despite the floristic composition, we identified that interpretations about biology, environmental functionality and species distribution are more consistent for environmental assessment and decision-making on conservation actions.

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巴西半干旱地区一个保护区的植物多样性和保护价值

我们在巴西帕拉伊巴州采集了 137 个样本（71 个雨季样本；66 个旱季样本）。我们总共采集了 23 个物种（1 个角草、14 个苔藓和 9 个肝草），并增加了一个稀有物种（Weissia controversa），使帕拉伊巴州的植物区系增至 188 个。Poeta e Repentista Juvenal de Oliveira州立公园的植物组成受到长期人为干扰的影响，是典型的干旱环境，与季节无关。这表明，由于对当地自然资源的无序利用，生态位丧失，导致栖息地同质化。然而，Philonotis hastata 被世界自然保护联盟（IUCN）列为濒危物种；一个物种在地理上的扩展；以及巴西稀有物种的存在，都加强了该保护区对红叶植物生物多样性的重要性。尽管花卉构成不同，但我们发现，对生物学、环境功能和物种分布的解释在环境评估和保护行动决策方面更加一致。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.