Social challenge/ impact linked to: | Environmental |
Co-creation phase linked to: | |
Level of importance | 1 - High Importance / must have |
Description | The Shannon Diversity is a very common index used in ecology to quantify diversity in a community. The index provides more information about the fauna and flora composition than simply area richness. It takes into consideration both the number of different species observed and their relative abundances |
Scale as linked to D2.2 framework | - City
- Neighborhood
- Project Area
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Connection with SDGs | - Goal 11: Sustainable cities and communities
- Goal 13: Climate action
- Goal 15: Life on land
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Required Data | - Number of individuals for each species recorded
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Expected Outputs | - Shannon Diversity indicator
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Calculation methods | - Shannon Diversity Index it is calculated as follows:
 - Pi is the proportion of total number of individuals of ith species, divided by total number of individuals of all species recorded.
- Shannon Diversity Index needs semiquantitative data. In our case, data must be collected through linear transects (linear paths with fixed length), in which experts record number of specimens for each species
- Butterflies survey: at least once a month from April to September
Bees survey: at least once a month from April to September
Plants survey: at least once a month from April to September
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Level of expertise required | - Shannon Diversity Index is easy to apply but data collection requires a high level of taxonomic knowledge, in order to recognise the correct species, for each target taxon.
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Links and references | - https://ec.europa.eu/eurostat/statisticsexplained/index.php/Glossary:Shannon_evenness
_index_(SEI)
https://ec.europa.eu/eurostat/statisticsexplained/index.php?title=File:Shannon_Diversity
_Index_and_Shannon_Evenness_Index,_2009.PNG
Mårtensson, R. (2016). Species and Biological Diversity-Choices of Diversity
Indices and their Potential Consequences for Nature Conservation
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