Davis indices and R values in the Tajik-Uzbek Surface Data Base
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| Autori principali: | , , , , , , , , |
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| Natura: | Dataset Open Access |
| Lingua: | en |
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PANGAEA
2025
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| _version_ | 1867169482949001216 |
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| author | Dugerdil, Lucas Peyron, Odile Ménot, Guillemette Egamberdieva, Dilfuza Alimov, Jakhongir Leroy, Suzanne A G Garnier, Eric Nowak, Arkadiusz Joannin, Sébastien |
| author_facet | Dugerdil, Lucas Peyron, Odile Ménot, Guillemette Egamberdieva, Dilfuza Alimov, Jakhongir Leroy, Suzanne A G Garnier, Eric Nowak, Arkadiusz Joannin, Sébastien |
| collection | Datos científicos de ciencias marinas y ambientales |
| contents | This dataset contains the different statistic scores used to infer the Davis indices and R-values of the 62 most important pollen types of the TUSDB. The Davis indices and R-values are semi-quantitative scores for pollen bias corrections. B0 is the number of sites in which taxon i is present as both pollen sample and vegetation species (plant), P0 the number of the sites with pollen presence only pollen, and P1 are the sites in which only the vegetation species are present. The results are the indices of association (A), underrepresentation (U) and overrepresentation (O). Davis (1984) also present threshold give game the pollen representativity classes (unassociated, weakly associated, associated, strongly-associated and over-represented taxa). The last column gives the R-values of each pollen type. |
| format | Dataset Open Access |
| id | pangaea_https___doi_org_10_1594_PANGAEA_981863 |
| institution | PANGAEA |
| language | en |
| publishDate | 2025 |
| publisher | PANGAEA |
| record_format | pangaea |
| spellingShingle | Davis indices and R values in the Tajik-Uzbek Surface Data Base Dugerdil, Lucas Peyron, Odile Ménot, Guillemette Egamberdieva, Dilfuza Alimov, Jakhongir Leroy, Suzanne A G Garnier, Eric Nowak, Arkadiusz Joannin, Sébastien Arid Central Asia; Association; climate reconstruction; Correlation coefficient; Davis index; Number of sites; Overrepresentation; plant functional traits; Pollen calibration; Pollen representativeness; Tajikistan; Taxon/taxa; Underrepresentation; Uzbekistan; Vegetation plot This dataset contains the different statistic scores used to infer the Davis indices and R-values of the 62 most important pollen types of the TUSDB. The Davis indices and R-values are semi-quantitative scores for pollen bias corrections. B0 is the number of sites in which taxon i is present as both pollen sample and vegetation species (plant), P0 the number of the sites with pollen presence only pollen, and P1 are the sites in which only the vegetation species are present. The results are the indices of association (A), underrepresentation (U) and overrepresentation (O). Davis (1984) also present threshold give game the pollen representativity classes (unassociated, weakly associated, associated, strongly-associated and over-represented taxa). The last column gives the R-values of each pollen type. |
| title | Davis indices and R values in the Tajik-Uzbek Surface Data Base |
| topic | Arid Central Asia; Association; climate reconstruction; Correlation coefficient; Davis index; Number of sites; Overrepresentation; plant functional traits; Pollen calibration; Pollen representativeness; Tajikistan; Taxon/taxa; Underrepresentation; Uzbekistan; Vegetation plot |
| url | https://doi.org/10.1594/PANGAEA.981863 |