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The formation, maintenance, and loss of island biodiversity.
Yi Chuan
January 2025
Center for Global Change and Ecological Forecasting, Zhejiang Zhoushan Island Ecosystem Observation and Research Station, Institute of Eco-Chongming, Zhejiang Tiantong Forest Ecosystem National Observation and Research Station, School of Ecological and Environmental Sciences, East China Normal University, Shanghai 200241, China.
Due to the unique geographical features of large numbers, isolated by water and diverse formation histories, islands have become natural laboratories for ecological and evolutionary research. Islands have a high proportion of endemic species and disharmony in representing the species compared with that in the continent, which provides a good opportunity to explore the formation of island biodiversity. In this review, we focuse on island ecosystems and describes the progress of research in island biogeography in recent years from three aspects: formation, maintenance, and loss of island biodiversity.
View Article and Find Full Text PDFSpeciation studies in the genomic era.
Yi Chuan
January 2025
State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, College of Ecology, Lanzhou University, Lanzhou 730000, China.
Since Darwin's era, speciation has been one of the most central issues in evolutionary biology studies. Understanding the processes of species origin is crucial in deepening our understanding of the formation of species biodiversity, which is essential for their protections. However, speciation research has been challenging due to the rather complex evolutionary histories of many extant species.
View Article and Find Full Text PDFThe migration and evolutionary mechanisms of northern Asian populations from the perspective of ancient genomics.
Yi Chuan
January 2025
School of Life Sciences, Jilin University, Changchun 130012, China.
The northern part of Asia, including Siberia, the Mongolian Plateau, and northern China, is not only a crossroads for population exchange on the Eurasian continent but also an important bridge connecting the American continent. This region holds a unique and irreplaceable significance in exploring the origins of humanity, tracking human migration routes, and elucidating evolutionary mechanisms. Despite the limited number of samples unearthed, varying preservation conditions, and constraints of technical means, our understanding of the interactions among populations in northern Asia is still in its infancy.
View Article and Find Full Text PDFAncient DNA elucidates the migration and evolutionary history of northern and southern populations in East Asia.
Yi Chuan
January 2025
Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of Sciences, Beijing 100044, China.
Over the past decade, the continuous development of ancient genomic technology and research has significantly advanced our understanding of human history. Since 2017, large-scale studies of ancient human genomes in East Asia, particularly in China, have emerged, resulting in a wealth of ancient genomic data from various time periods and locations, which has provided new insights into the genetic history of East Asian populations over tens of thousands of years. Especially since 2022, there emerged a series of new research progresses in the genetic histories of the northern and southern Chinese populations within the past 10,000 years.
View Article and Find Full Text PDFArbuscular mycorrhizal fungi (AMF, phylum Glomeromycota) are essential to plant community diversity and ecosystem functioning. However, increasing human land use represents a major threat to native AMF globally. Characterizing the loss of AMF diversity remains challenging because many taxa are undescribed, resulting in poor documentation of their biogeography and family-level disturbance sensitivity.
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