Coastal flora of high-altitude lakes of the Digor Gorge of North Ossetia-Alania

V. A. Simonenkova, V. Simonenkov, A. A. Gazdarova
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Abstract

The article presents data on the flora of 10 high-altitude lakes of the Digor Gorge, which are located at an altitude above 2500 m above sea level, of which 5 lakes along the expedition route are described hydrographically for the first time. The floristic composition was studied by general field methods; photographs of growing plants were taken. The taxonomic composition of the riparian flora is given, life forms are identified. According to the results of the inventory of the flora of the studied lakes, 81 plant species were identified. Of the whole variety of families found, the share of Compositae (Compositae, or Asteraceae) accounts for 17.3%, the share of Sphagnaceae (Sphagnaceae) and Carnation (Caryophyllaceae) - 6.2% each, the share of Cereals (Gramineae, or Poaceae) - 4.9 %, the share of Labiaceae (Labiatae, or Lamiaceae), Buttercups (Ranunculaceae), Bell (Campanulaceae), Gentian (Gentianaceae), Buckwheat (Polygonaceae), Cruciferous (Cruciferae, or Brassicaceae) - 3.7 % each. The remaining families are represented by a smaller number of species. Most of the identified species belong to grasses - 79.0 %. Mosses account for 14.8% of the species composition, shrubs account for 3.7%, lichens and ferns account for 2.5 %. Despite a number of similarities and common patterns in the formation of communities, the coastal flora of each lake has individual characteristics, differing in floral composition, occupied area and spatial distribution.
北奥塞梯-阿拉尼亚迪戈尔峡谷高海拔湖泊沿岸植物区系
文章介绍了迪戈尔峡谷 10 个高海拔湖泊的植物区系数据,这些湖泊位于海拔 2500 米以上,其中 5 个湖泊沿考察路线首次进行了水文地理描述。通过一般的实地方法对植物组成进行了研究,并拍摄了生长植物的照片。提供了河岸植物区系的分类组成,并确定了生命形式。根据所研究湖泊植物区系清单的结果,确定了 81 个植物物种。在已发现的所有科中,菊科(Compositae)占 17.3%,石蒜科(Sphagnaceae)和石竹科(Caryophyllaceae)各占 6.2%,谷物科(Gramineae)占 4.9%,唇形科(Labiachaceae)占 4.2%。9 %,唇形科(Labiatae,或 Lamiaceae)、毛茛科(Ranunculaceae)、铃科(Campanulaceae)、龙胆科(Gentianaceae)、荞麦科(Polygonaceae)、十字花科(Cruciferae,或 Brassicaceae)各占 3.7 %。其余科的物种数量较少。大部分已确认的物种属于禾本科 - 79.0 %。苔藓占物种组成的 14.8%,灌木占 3.7%,地衣和蕨类占 2.5%。尽管群落的形成有许多相似之处和共同模式,但每个湖泊的沿岸植物区系都有各自的特点,在花卉组成、所占面积和空间分布方面各不相同。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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