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| DOI | 10.1111/jbi.14832 |
| Eurasian drylands are both evolutionary cradles and museums of Nitrariaceae diversity | |
| 发表日期 | 2024 |
| ISSN | 0305-0270 |
| EISSN | 1365-2699 |
| 英文摘要 | AimDrylands cover about 41% of Earth's land surface and are home to fragile biota with high levels of endemism. Two hypothetical models, i.e., cradle and museum, have been proposed to account for present-day species diversity in an ecoregion or biome. We investigated macroevolutionary patterns to test these two different models in Nitrariaceae, a characteristic component of the Eurasian dryland ecosystem. We also used this family to explore the intercontinental disjunct distribution pattern between the deserts of Eurasia and western North America, known as the Madrean-Tethyan disjunction.LocationDrylands in the Northern Hemisphere.TaxonNitrariaceae (Sapindales, Angiosperms).MethodWe sampled all 16 of the currently recognized extant species of Nitrariaceae and 59 species from the eight other families of Sapindales. A fossil-calibrated phylogeny was generated using 12 fossil constraints. The ancestral range and climate niche of Nitrariaceae were reconstructed, and diversification rates were estimated.ResultsThe most recent common ancestor of Nitrariaceae likely inhabited arid habitats with low rainfall in the temperate zone in the Late Cretaceous, which geographically corresponds to present-day Central Asia. The western North American Peganum mexicanum split from its Central Asian sister group at approximately 39 Ma. Net diversification rates of Nitrariaceae experienced a significant increase around 11 Ma. Within Sapindales, at least seven arid species originated markedly prior to the Miocene.Main ConclusionsThe North Atlantic land bridge and global cooling climate in the Late Eocene might have driven the formation of the present-day disjunct distribution of Nitrariaceae between arid Central Asia and western North America. Nitrariaceae originated in the Late Cretaceous and exhibited long-term climate niche conservatism, but experienced a rapid diversification in the late Miocene of Eurasia in response to orogenetic and climatic changes. These findings suggest that Eurasian drylands serve as both evolutionary cradles and museums for the diversity of Nitrariaceae and likely for other arid-adapted lineages. |
| 英文关键词 | biogeography; diversification; drylands; Madrean-Tethyan disjunction; Nitrariaceae; phylogeny |
| 语种 | 英语 |
| WOS研究方向 | Environmental Sciences & Ecology ; Physical Geography |
| WOS类目 | Ecology ; Geography, Physical |
| WOS记录号 | WOS:001182466600001 |
| 来源期刊 | JOURNAL OF BIOGEOGRAPHY
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| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/302025 |
| 作者单位 | Lanzhou University; Chinese Academy of Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences, CAS; Missouri Botanical Gardens; Central Siberian Botanical Garden; Russian Academy of Sciences; Museum National d'Histoire Naturelle (MNHN); Sorbonne Universite; Centre National de la Recherche Scientifique (CNRS) |
| 推荐引用方式 GB/T 7714 | . Eurasian drylands are both evolutionary cradles and museums of Nitrariaceae diversity[J],2024. |
| APA | (2024).Eurasian drylands are both evolutionary cradles and museums of Nitrariaceae diversity.JOURNAL OF BIOGEOGRAPHY. |
| MLA | "Eurasian drylands are both evolutionary cradles and museums of Nitrariaceae diversity".JOURNAL OF BIOGEOGRAPHY (2024). |
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