云中的植物:位于巴西东南部Espírito Santo的山顶Pedra Azul的维管附生植物

Q4 Agricultural and Biological Sciences
Gabriel Mendes Marcusso, Luiz Menini Neto, J. A. Lombardi
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引用次数: 3

摘要

云雾林通常出现在巴西东部大西洋森林的高海拔地区,尽管沿着山顶分散和破碎。在这个栖息地,植被生长在低温条件下,通常由额外的水源提供,这些水源是由于频繁的雾的水平降水而产生的。这些因素与更大的空气运动和更高的亮度一起,是高海拔地区单一植物区系的条件,主要是维管附生植物,它们依赖大气候和小气候。在巴西东南部Espírito圣州中心的山脉中,一些山顶,如Pedra Azul (PA),具有这些环境特征。在这里,我们的目的是在实地调查和植物标本室标本的基础上,提出Pedra Azul州立公园及其周边地区维管附生植物的第一份清单。共有17科65属152种,以兰科、凤梨科、水蛭科为主要科,主要属为紫堇科、紫堇科、紫堇科。附生植物以全附生植物为主,兼附生植物数量也较多。在Espírito Santo首次记录到棘球绦虫(Asplenium theciferum)和棘球绦虫(Octomeria cucullata),并确认该州有脑波绦虫(Rhipsalis cereuscula)的存在。总体而言,PA的丰富度是大西洋森林云雾林中最高的。国家级濒危物种6种,国家级濒危物种32种。这些结果支持了保护区对保护植物群的重要性;然而,包括受威胁物种在内的一些物种只在周围被记录下来,这表明Pedra Azul州立公园的缓冲区必须包括在管理计划中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Plants in the clouds: vascular epiphytes of Pedra Azul, a mountain top in Espírito Santo, Southeastern Brazil
Abstract Cloud forests usually occur at high-altitude sites of the Atlantic Forest in eastern Brazil, albeit scattered and fragmented along the mountain tops. In this habitat, the vegetation occurs at low-temperature conditions and is usually provided by additional water sources that arise due to the horizontal precipitation of the frequent fogs. Together with the more considerable air movement and higher luminosity, these factors are conditioning for singular floras at high elevations, mainly the vascular epiphytes, which are macro and microclimate dependent. In the mountains range at the center of the Espírito Santo state, Southeastern Brazil, some mountain tops such as Pedra Azul (PA) hold these environmental features. Here, we aimed to present the first checklist of vascular epiphytes in the Pedra Azul State Park and surroundings based on fieldwork and herbarium specimens. The checklist comprises 152 species, 65 genera, and 17 families, the main families being Orchidaceae, Bromeliaceae, and Polypodiaceae, with the main genera represented by Vriesea, Acianthera, and Peperomia. The holoepiphytes were the main category among the epiphytes, although an unusually high number of facultative epiphytes were recorded. Asplenium theciferum and Octomeria cucullata are recorded in Espírito Santo for the first time, and we confirmed the occurrence of Rhipsalis cereuscula in the state. Overall, the richness recorded in PA is amongst the highest of the Atlantic Forest cloud forests. Six species are threatened at the national level and 32 at the state level. These results support the importance of the protected area for conserving the flora; however, several species - including threatened - were only recorded in the surroundings, demonstrating that the buffer zone of the Pedra Azul State Park must be included in the management plans.
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来源期刊
Rodriguesia
Rodriguesia Agricultural and Biological Sciences-Horticulture
CiteScore
1.00
自引率
0.00%
发文量
55
审稿时长
13 weeks
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