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| Partycjonowanie różnorodności beta× | Krzywa akumulacji gatunków× | |
|---|---|---|
| Dziedzina | Ekologia | Ekologia |
| Rodzina | Process / pipeline | Process / pipeline |
| Rok powstania≠ | 2010 | 1968 |
| Twórca≠ | Andres Baselga | Henry Sanders |
| Typ≠ | community differentiation analysis | biodiversity quantification and comparison |
| Źródło pierwotne≠ | Baselga, A. (2010). Partitioning the turnover and nestedness components of beta diversity. Global Ecology and Biogeography, 19(1), 134-143. DOI ↗ | Colwell, R. K. (1994). Estimating terrestrial biodiversity through extrapolation. Philosophical Transactions of the Royal Society B, 345(1311), 101-118. DOI ↗ |
| Inne nazwy≠ | beta diversity, species turnover, nestedness, community dissimilarity | rarefaction, species accumulation curve, species richness curve |
| Pokrewne | 4 | 4 |
| Podsumowanie≠ | Beta diversity partitioning quantifies how species composition differs among sites, decomposing community dissimilarity into two components: species turnover (replacement of species across sites) and nestedness (loss of species from species-rich sites). Developed by Baselga (2010), this framework reveals whether sites differ because they have different species (turnover) or because some sites are subsets of others (nestedness). This distinction has ecological and conservation implications: turnover suggests environmental heterogeneity or speciation, while nestedness suggests habitat loss or extinction. | 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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