sources: 21242
Data license: CC-BY
This data as json
id | name | description | createdAt | updatedAt | datasetId | additionalInfo | link | dataPublishedBy |
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21242 | Phillips, De Palma, Gonzalez, Contu et al. (2021) | { "link": "https://data.nhm.ac.uk/dataset/bii-bte", "retrievedDate": "2021-11-13", "additionalInfo": "\nThe BII is derived from combining two models. The first model represents how human activity has influenced the total abundance of species in any one area. The second model analyses how similar each site's ecological community is to the near-undisturbed sites (this is known as the 'compositional similarity' and includes what original species are present and what species are dominant; the BII values we make available on the Biodiversity Trends Explorer use a much more sensitive measure of compositional similarity than the one we used before 2021). \n\nNext, we combine each of these models with maps of human pressures, including land use change and intensification, human population growth and landscape simplification. This produces new maps of how abundance and compositional similarity have been affected by human pressures. \n\nBringing these two maps together then gives us the BII: the percentage of the original ecological community that remains across an area.\n\nHelen Phillips, Adriana De Palma, Ricardo E Gonzalez, Samantha L L Hill, Luca B\u00f6rger & Andy Purvis (2021): The Biodiversity Intactness Index - country, region and global-level summaries for the year 2000 to 2050 under various scenarios. data.nhm.ac.uk. https://doi.org/10.5519/he1eqmg1\n", "dataPublishedBy": "Natural History Museum Data Portal (data.nhm.ac.uk)." } |
2021-11-13 18:00:28 | 2021-11-13 18:00:28 | 5407 | The BII is derived from combining two models. The first model represents how human activity has influenced the total abundance of species in any one area. The second model analyses how similar each site's ecological community is to the near-undisturbed sites (this is known as the 'compositional similarity' and includes what original species are present and what species are dominant; the BII values we make available on the Biodiversity Trends Explorer use a much more sensitive measure of compositional similarity than the one we used before 2021). Next, we combine each of these models with maps of human pressures, including land use change and intensification, human population growth and landscape simplification. This produces new maps of how abundance and compositional similarity have been affected by human pressures. Bringing these two maps together then gives us the BII: the percentage of the original ecological community that remains across an area. Helen Phillips, Adriana De Palma, Ricardo E Gonzalez, Samantha L L Hill, Luca Börger & Andy Purvis (2021): The Biodiversity Intactness Index - country, region and global-level summaries for the year 2000 to 2050 under various scenarios. data.nhm.ac.uk. https://doi.org/10.5519/he1eqmg1 | https://data.nhm.ac.uk/dataset/bii-bte | Natural History Museum Data Portal (data.nhm.ac.uk). |
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