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您的检索式：作者名="Danilo M.Neves"
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| 1 | 北半球高山和极地虎耳草属物种丰富度的地理格局:温度和生境异质性的作用显示文摘现代气候、生境异质性和长期气候变化对森林生态系统中分布的木本植物的物种丰富度格局的影响在以往研究中受到广泛关注,但对高寒-极地生态系统中的草本植物物种丰富度格局及其影响因素的研究仍较少。本研究旨在检验以往研究中基于物种丰富度和环境因子关系提出的假说是否能够解释高寒-极地地区典型草本植物-虎耳草属(Saxifraga)的物种丰富度格局。本研究利用全球437种虎耳草属物种分布数据,探讨了全部物种、广域和狭域物种丰富度格局的影响因素。采用广义线性模型和空间自回归模型,评估了现代气候、生境异质性和历史气候对虎耳草属物种丰富度格局的影响。采用偏回归分析了不同变量对物种丰富度的独立解释率和共同解释率,并检验了4种广泛使用的物种丰富度与环境关系模型对物种丰富度格局的解释能力。研究结果表明,温度与虎耳草属所有物种和广域物种的物种丰富度格局呈显著负相关关系,是影响物种丰富度格局最重要的环境因子,这可能反映了虎耳草属对其祖先温带生态位的保守性。生境异质性和末次冰期以来的气候变化是虎耳草属狭域物种丰富度空间变异的最佳预测因子。总体而言,包含5个预测变量的组合模型可以解释大约40%–50%的虎耳草属物种丰富度的空间变异。此外,进化和生物地理过程在虎耳草属物种丰富度格局形成方面可能发挥了重要作用,这有待进一步研究。 | Lian Liu Xiaoting Xu Lei Zhang Yaoqi Li Nawal Shrestha Danilo M.Neves Qinggang Wang Hong Chang Xiangyan Su Yunpeng Liu Jianyong Wu Dimitar Dimitrov Zhiheng Wang Jianquan Liu | 2022 | Journal of Plant Ecology2022，15，2： | 1 |
| 2 | On the rocks:Biogeography and floristic identity of rocky ecosystems in eastern South America显示文摘The geodiversity of rocky ecosystems includes diverse plant communities with specific names,but their continental-scale floristic identity and the knowledge on the role of macroclimate remain patchy.Here,we assessed the identity of plant communities in eastern Brazil across multiple types of rocky landscapes and evaluated the relative importance of climatic variables in constraining floristic differentiation.We provided lists of diagnostic species and an assessment of the conservation status of the identified floristic groups.We compiled a data set of 151 sites(4498 species)from rocky ecosystems,including campos rupestres,campos de altitude,granitic-gneiss lowland inselbergs,and limestone outcrops.We used unsupervised clustering analysis followed by ANosiM to assess floristic groups among sites.We performed a random forest variable selection to test whether the identified floristic groups occupy distinct climatic spaces.Six groups(lithobiomes)segregated floristically according to lithology and climate.Alongside campos de altitude and limestone outcrops,inselbergs were divided according to the biome in which they occur(Atlantic Forest or Caatinga),and campos rupestres were largely segregated according to their lithological matrix(ironstone or quartzitic).Plant communities of Caatinga inselbergs were more similar to limestone outcrops,while Atlantic Forest inselbergs communities resembled campos de altitude.The composition of plant communities on outcrops seems to be largely constrained by lithology,but climatic factors are also meaningful for sites with similar lithology.The current network of protected areas does not cover these unique ecosystems and their floristic heterogeneity,with Caatinga inselbergs and limestoneoutcrops beingtheleastprotected. | Luisa Azevedo Daniela Cristina Zappi Daniela Melo Garcia de Oliveira Leila Meyer Eimear Nic Lughadha Rosie Clegg Leonardo Dias Meireles Pablo Hendrigo Alves de Melo R.Toby Pennington Danilo M.Neves | 2024 | Journal of Systematics and Evolution2024，62，2： | 0 |
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