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Gaps and challenges in the knowledge of algal biodiversity in Paraguay
Phycologia ( IF 1.6 ) Pub Date : 2020-10-20 , DOI: 10.1080/00318884.2020.1830597
Vitória Kalana Rosset 1 , Elaine Cristina Rodrigues Bartozek 1 , Richard Wilander Lambrecht 1 , Marina Ramos Auricchio 1 , Melissa Dos Santos 2 , Cleto Kaveski Peres 1
Affiliation  

ABSTRACT Tropical environments comprise some of the largest megadiverse centres on earth, and yet, even in the face of rapid biodiversity loss, a lack of knowledge of such areas prevails today. Paraguay is a landlocked, tropical country, which still holds enormous forested areas despite intense degradation. The country shows enormous potential algal biodiversity. We searched published records of algal species within Paraguay, checked their taxonomic status, and provided their locations, resulting in a thorough list of the algae known to date in Paraguay. Only 33 articles were published between 1897 and 2020. From the early 20th century and until the late 1970s, there were few publications on algae, and most studies were conducted within the last 7 years. We compiled records of 893 species from 54 orders and 10 phyla. Only freshwater algal records were found; none were terrestrial or from brackish lagoons. Most species belong to Charophyta, Chlorophyta, and Bacillariophyta. The Lower Paraguay basin showed the highest number of records, i.e. 564 species, 309 not found in any other basin in Paraguay. The highest number of algal records are from the Humid Chaco ecoregion, with 610 species, 343 of which did not occur in any other ecoregion of the country. Our results indicate that Paraguay requires extensive research and human resource training programs in phycology. Because of its threatened status, we consider the Dry Chaco to be the most important area where research should be intensified.

中文翻译:

巴拉圭藻类生物多样性知识的差距和挑战

摘要热带环境包括地球上一些最大的生物多样性中心,然而,即使面对生物多样性的迅速丧失,今天仍然普遍缺乏对这些地区的了解。巴拉圭是一个内陆热带国家,尽管严重退化,但仍然拥有巨大的森林面积。该国显示出巨大的藻类生物多样性潜力。我们搜索了巴拉圭藻类物种的已发表记录,检查了它们的分类状态,并提供了它们的位置,从而得出了巴拉圭迄今为止已知的藻类的完整清单。1897 年至 2020 年间仅发表了 33 篇文章。从 20 世纪初到 1970 年代后期,关于藻类的出版物很少,大多数研究是在过去 7 年中进行的。我们汇编了来自 54 个目和 10 个门的 893 个物种的记录。只发现了淡水藻类记录;没有一个是陆地的,也没有来自咸水湖。大多数物种属于轮藻门、绿藻门和芽孢杆菌门。巴拉圭下游盆地的记录数量最多,即 564 种,其中 309 种是巴拉圭其他盆地没有发现的。数量最多的藻类记录来自 Humid Chaco 生态区,有 610 种,其中 343 种没有出现在该国任何其他生态区。我们的研究结果表明,巴拉圭需要广泛的藻类研究和人力资源培训计划。由于其受到威胁的状态,我们认为干查科是应该加强研究的最重要的领域。巴拉圭下游盆地的记录数量最多,即 564 种,其中 309 种是巴拉圭其他盆地没有发现的。数量最多的藻类记录来自 Humid Chaco 生态区,有 610 种,其中 343 种没有出现在该国任何其他生态区。我们的研究结果表明,巴拉圭需要广泛的藻类研究和人力资源培训计划。由于其受到威胁的状态,我们认为干查科是应该加强研究的最重要的领域。巴拉圭下游盆地的记录数量最多,即 564 种,其中 309 种是巴拉圭其他盆地没有发现的。数量最多的藻类记录来自 Humid Chaco 生态区,有 610 种,其中 343 种没有出现在该国任何其他生态区。我们的研究结果表明,巴拉圭需要广泛的藻类研究和人力资源培训计划。由于其受到威胁的状态,我们认为干查科是应该加强研究的最重要的领域。我们的研究结果表明,巴拉圭需要广泛的藻类研究和人力资源培训计划。由于其受到威胁的状态,我们认为干查科是应该加强研究的最重要的领域。我们的研究结果表明,巴拉圭需要广泛的藻类研究和人力资源培训计划。由于其受到威胁的状态,我们认为干查科是应该加强研究的最重要的领域。
更新日期:2020-10-20
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