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| Metabarcoding DNA môi trường (eDNA)× | Đường cong tích lũy loài× | |
|---|---|---|
| Lĩnh vực | Sinh thái học | Sinh thái học |
| Họ | Process / pipeline | Process / pipeline |
| Năm ra đời≠ | 2012 | 1968 |
| Người khởi xướng≠ | Pierre Taberlet | Henry Sanders |
| Loại≠ | species detection and community assessment | biodiversity quantification and comparison |
| Công trình gốc≠ | Taberlet, P., Coissac, E., Hajibabaei, M., & Rieseberg, L. H. (2012). Environmental DNA. Molecular Ecology, 21(8), 1789-1793. DOI ↗ | Colwell, R. K. (1994). Estimating terrestrial biodiversity through extrapolation. Philosophical Transactions of the Royal Society B, 345(1311), 101-118. DOI ↗ |
| Tên gọi khác≠ | eDNA, metabarcoding, DNA metabarcoding, genetic monitoring | rarefaction, species accumulation curve, species richness curve |
| Liên quan | 4 | 4 |
| Tóm tắt≠ | Environmental DNA (eDNA) metabarcoding detects and identifies species present in environmental samples (water, soil, air) by sequencing short DNA fragments released by organisms. Developed by Taberlet and colleagues (2012), this approach has revolutionized biodiversity monitoring: species can be surveyed without capture, observation, or complex sampling designs. Metabarcoding sequences millions of DNA fragments, identifies reads taxonomically, and assigns them to species. The method is non-invasive, rapid, and cost-effective, enabling large-scale biodiversity surveys and early detection of cryptic or rare species. | Species accumulation curves describe how the number of observed species increases with cumulative sampling effort. Introduced by Sanders (1968) and developed by Colwell and colleagues, this method enables ecologists to compare biodiversity across sites and estimate total species richness despite incomplete sampling. It addresses a fundamental challenge in ecology: observed species counts are biased by sampling intensity. |
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