Functional diversity index
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Number of studies*
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Description
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References
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Functional Richness (FRic) |
64 |
Volume of the functional space occupied by the community |
Mason et al. (2005)Mason NWH, Mouillot D, Lee WG, Wilson JB. Functional richness, functional evenness and functional divergence: the primary components of functional diversity. Oikos. 2005; 111(1):112–18. https://doi.org/10.1111/j.0030-1299.2005.13886.x https://doi.org/10.1111/j.0030-1299.2005...
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Villéger et al. (2008)Villéger S, Mason NWH, Mouillot D. New multidimensional functional diversity indices for a multifaceted framework in functional ecology. Ecology. 2008; 89(8):2290–301. https://www.jstor.org/stable/27650754 https://www.jstor.org/stable/27650754...
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Functional Evenness (FEve) |
46 |
Sum of the minimum spanning tree branch length weighted by relative abundance of the two species |
Mason et al. (2005)Mason NWH, Mouillot D, Lee WG, Wilson JB. Functional richness, functional evenness and functional divergence: the primary components of functional diversity. Oikos. 2005; 111(1):112–18. https://doi.org/10.1111/j.0030-1299.2005.13886.x https://doi.org/10.1111/j.0030-1299.2005...
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Villéger et al. (2008)Villéger S, Mason NWH, Mouillot D. New multidimensional functional diversity indices for a multifaceted framework in functional ecology. Ecology. 2008; 89(8):2290–301. https://www.jstor.org/stable/27650754 https://www.jstor.org/stable/27650754...
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Functional Divergence (FDiv) |
34 |
Species deviance from the mean distance to the center of gravity weighted by relative abundance |
Mason et al. (2005)Mason NWH, Mouillot D, Lee WG, Wilson JB. Functional richness, functional evenness and functional divergence: the primary components of functional diversity. Oikos. 2005; 111(1):112–18. https://doi.org/10.1111/j.0030-1299.2005.13886.x https://doi.org/10.1111/j.0030-1299.2005...
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Villéger et al. (2008)Villéger S, Mason NWH, Mouillot D. New multidimensional functional diversity indices for a multifaceted framework in functional ecology. Ecology. 2008; 89(8):2290–301. https://www.jstor.org/stable/27650754 https://www.jstor.org/stable/27650754...
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Functional Dispersion (FDis) |
34 |
Mean distance in functional space of individual species to the centroid of all species |
Laliberté, Legendre (2010)Laliberté E, Legendre P. A distance-based framework for measuring functional diversity from multiple traits. Ecology. 2010; 91(1):299–305. https://www.jstor.org/stable/25661046 https://www.jstor.org/stable/25661046...
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Rao (Q) |
19 |
Sum of species distance weighed by abundance |
Botta-Dukát (2005)Botta-Dukát Z. Rao’s quadratic entropy as a measure of functional diversity based on multiple traits. J Veg Sci. 2005; 16(5):533–40. https://doi.org/10.1111/j.1654-1103.2005.tb02393.x https://doi.org/10.1111/j.1654-1103.2005...
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Ricotta, Moretti (2011)Ricotta C, Moretti M. CWM and Rao’s quadratic diversity: a unified framework for functional ecology. Oecologia. 2011; 167:181–88. https://doi.org/10.1007/s00442-011-1965-5 https://doi.org/10.1007/s00442-011-1965-...
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Functional Originality (FOri) |
10 |
Mean distance between each species and its nearest neighbour in the functional space |
Mouillot et al. (2013)Mouillot D, Graham NAJ, Villéger S, Mason NWH, Bellwood DR. A functional approach reveals community responses to disturbances. Trends Ecol Evol. 2013; 28(3):167–77. https://doi.org/10.1016/j.tree.2012.10.004 https://doi.org/10.1016/j.tree.2012.10.0...
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Functional Specialization (FSpe) |
8 |
Mean Euclidean distance between each species and the average position of all species in the functional space |
Mouillot et al. (2013)Mouillot D, Graham NAJ, Villéger S, Mason NWH, Bellwood DR. A functional approach reveals community responses to disturbances. Trends Ecol Evol. 2013; 28(3):167–77. https://doi.org/10.1016/j.tree.2012.10.004 https://doi.org/10.1016/j.tree.2012.10.0...
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Functional Redundancy (FRed) |
8 |
Difference between species diversity (Gini-Simpson diversity index) and Rao; average number of species or as mean abundance or biomass per functional group |
de Bello et al. (2007)Bello F, Lepš J, Lavorel S, Moretti M. Importance of species abundance for assessment of trait composition: an example based on pollinator communities. Commun Ecol. 2007; 8(2):163–70. https://doi.org/10.1556/ComEc.8.2007.2.3 https://doi.org/10.1556/ComEc.8.2007.2.3...
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Laliberté et al. (2010)Laliberté E, Wells JA, DeClerck F, Metcalfe DJ, Catterall CP, Queiroz C et al. Land-use intensification reduces functional redundancy and response diversity in plant communities. Ecol Lett. 2010; 13(1):76–86. https://doi.org/10.1111/j.1461-0248.2009.01403.x https://doi.org/10.1111/j.1461-0248.2009...
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Functional Diversity (FD) |
3 |
Sum of the largest branch of the functional dendrogram |
Petchey, Gaston (2002)Petchey OL, Gaston KJ. Functional diversity (FD), species richness and community composition. Ecol Lett. 2002; 5(3):402–11. https://doi.org/10.1046/j.1461-0248.2002.00339.x https://doi.org/10.1046/j.1461-0248.2002...
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Functional Uniqueness (FUni) |
3 |
Ratio between Rao index and the Simpson diversity index, relating functional diversity to the maximum dissimilarity value of the community |
Ricotta et al. 2016Ricotta C, Bello F, Moretti M, Caccianiga M, Cerabolini BEL, Pavoine S. Measuring the functional redundancy of biological communities: A quantitative guide. Methods Ecol Evol. 2016; 7(11):1386–95. https://doi.org/10.1111/2041-210X.12604 https://doi.org/10.1111/2041-210X.12604...
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Functional Identity |
2 |
Expressed as the biomass-weighted mean trait value for a community |
Mouillot et al. (2011)Mouillot D, Villéger S, Scherer-Lorenzen M, Mason NWH. Functional structure of biological communities predicts ecosystem multifunctionality. PLoS ONE. 2011; 6(3):e17476. https://doi.org/10.1371/journal.pone.0017476 https://doi.org/10.1371/journal.pone.001...
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Functional Vulnerability |
2 |
Sum of the total number of functional entities and the number of species in functional entity |
Mouillot et al. (2014)Mouillot D, Villeger S, Parravicini V, Kulbicki M, Arias-Gonzáles JE, Bender M et al. Functional over-redundancy and high-functional vulnerability in global fish faunas on tropical reefs. Proc Natl Acad Sci USA. 2014; 111(38):13757–62. https://doi.org/10.1073/pnas.1317625111 https://doi.org/10.1073/pnas.1317625111...
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Mean Pairwise Distance (MPD) |
2 |
The average of the distances between pairs of species in the focal community |
Webb (2000)Webb CO. Exploring the phylogenetic structure of ecological communities: an example for rain forest trees. Am Nat. 2000; 156(2):145–55. https://doi.org/10.1086/303378 https://doi.org/10.1086/303378...
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Mean Nearest Taxon Distance (MNTD) |
1 |
The average of distances between the species of focal community with the respective functionally most similar species (“neighbor closer”) |
Webb (2000)Webb CO. Exploring the phylogenetic structure of ecological communities: an example for rain forest trees. Am Nat. 2000; 156(2):145–55. https://doi.org/10.1086/303378 https://doi.org/10.1086/303378...
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Functional Regularity Index (FRO) |
1 |
Species evenness in functional space weighted by species abundances |
Mouillot et al. (2005)Mouillot D, Mason NWH, Dumay O, Wilson JB. Functional regularity: a neglected aspect of functional diversity. Oecologia. 2005; 142:353–59. https://doi.org/10.1007/s00442-004-1744-7 https://doi.org/10.1007/s00442-004-1744-...
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Functional Distinctiveness |
1 |
Functional dissimilarity of one species in relation to the other species of the community, representing functional redundancy |
Grenié et al. (2017)Grenié M, Denelle P, Tucker CM, Munoz F, Violle C. funrar: an R package to characterize functional rarity. Divers Distrib. 2017; 23(12):1365–71. https://doi.org/10.1111/ddi.12629 https://doi.org/10.1111/ddi.12629...
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