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| On the cover: In recent years, driven by the new round of scientific and technological revolution coupled with carbon neutrality, the energy structure is undergoing unprecedented changes. Biomass energy can be obtained from abundant resources by a number of application ways, which is zero-carbon and has unique effect of carbon negative emission. Meanwhile, advanced conversion technologies, such as BECCS, pyrolysis, and biohydrogen, are also joining the way to make a better bioenergy. Clean products of biomass have been promoted to a prospective future. Combination of biomass energy development and advanced technology will realize a more flexible and imaginative use of biomass, contributing to a green, low-carbon and sustainable development. For a bright and recyclable future, we should improve the use of biomass energy and unlock its huge potential for energy conservation and carbon reduction. |
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| Position: Home > issue > May 15, 2023 Volume 4, Issue 3 |
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| Evolution of the Yangtze River and its biodiversity |
Category: Perspective Download:  PDF  Figure  Endnote |
| Author: Feng Chen, Ge Xue, Yeke Wang, Hucai Zhang, Peter D. Clift, Yaowu Xing, Jun He, James S. Albert, Jun Chen, Ping Xie |
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Phylogeny of Cyprinidae and diversification history of endemic East Asian cyprinids
Documenting the origins of megadiverse (sub)tropical aquatic ecosystems is an important goal for studies of evolution and ecology. Nonetheless, the geological and ecological establishment of the modern Yangtze River remains poorly understood. Here, we reconstruct the geographic and ecological history of an endemic clade of East Asian fishes based on the mitochondrial phylogenomics analysis of Cyprinidae using 15 fossil calibrations. We estimate an ancestral condition of benthic spawning with demersal or adhesive eggs in southern East Asia before ¡«23 Ma and a derived condition of riverine spawning with semibuoyant eggs in the Yangtze by ¡«18 Ma.
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