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Evolutionary assembly of the Arctic flora
Global Ecology and Biogeography ( IF 6.4 ) Pub Date : 2021-11-25 , DOI: 10.1111/geb.13434
Hong Qian 1, 2 , Tao Deng 1 , Robert E. Ricklefs 3 , Andres Baselga
Affiliation  

The Arctic is the coldest inhabited region on Earth, and it supports few terrestrial species. The tropical-climate origin of many angiosperm clades, along with strong phylogenetic niche conservatism, likely constrained colonization of cold environments for many plants. However, invasion of the Arctic by many lineages might also have opened up a new adaptive landscape that facilitated subsequent diversification. We might, therefore, expect species in this biome to be descendants of a few cold-tolerant lineages. Here, we explore the assembly of the Arctic flora using data on the relationships and distributions of > 80,000 species.

中文翻译:

北极植物群的进化组装

北极是地球上最冷的有人居住的地区,它支持的陆地物种很少。许多被子植物进化枝的热带气候起源,以及强烈的系统发育生态位保守主义,可能限制了许多植物在寒冷环境中的定殖。然而,许多血统对北极的入侵也可能开辟了一个新的适应性景观,促进了随后的多样化。因此,我们可能期望这个生物群落中的物种是一些耐寒谱系的后代。在这里,我们使用超过 80,000 个物种的关系和分布数据来探索北极植物群的集合。
更新日期:2021-11-25
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