https://en.wikipedia.org/wiki/Alpha_diversity

In ecology, alpha diversity (α-diversity) is the mean species diversity in sites or habitats at a ... Often researchers use the values given by one or more diversity indices, such as species richness (richness is how many species and does not take ...

https://en.wikipedia.org/wiki/Diversity_index

A diversity index is a quantitative measure that reflects how many different types ( such as ..... Defining beta diversity as a function of alpha and gamma diversity".

http://www.columbia.edu/itc/cerc/danoff-burg/MBD%204.ppt

Q-Statistic; Intro to Alpha Diversity Indices; Simpson; McIntosh; Berger-Parker; Shannon-Wiener; Brillouin; Jack-Knifing Diversity Indices; Pielou's Hierarchical ...

https://www.researchgate.net/post/What_is_the_difference_between_alpha-diversity_and_beta-diversity_in_microbial_ecology

the conceptual difference between alpha and beta diversity is simple, but the choice of the indexes depends on the type of data you have and the aims of the ...

http://www.tiem.utk.edu/~gross/bioed/bealsmodules/shannonDI.html

Introduction: A diversity index is a mathematical measure of species diversity in a community. Diversity indices provide more information about community ...

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4224527/

We tested several common diversity indices in a range of simple to complex ...... [ Google Scholar]; Jost L. Partitioning diversity into independent alpha and beta ...

http://www.evolution.unibas.ch/walser/bacteria_community_analysis/2015-02-10_MBM_tutorial_combined.pdf

Alpha Diversity: indices' performance. Sample size sensitivity. Influenced by rare OTUs. Influenced by dominance/abundance of OTUs. Marker-‐based ...

https://geographyfieldwork.com/Simpson'sDiversityIndex.htm

Nov 28, 2018 ... Simpson's Diversity Index is a measure of diversity which takes into account the number of species present, as well as the relative abundance ...

http://www.coastalwiki.org/wiki/Measurements_of_biodiversity

Sep 17, 2008 ... The basic idea of a diversity index is to obtain a quantitative estimate ... Alpha diversity refers to diversity within a particular area, community or ...

https://www.drive5.com/usearch/manual/alpha_diversity.html

Alpha diversity is the diversity in a single ecosystem or sample. ... For example, the popular Shannon index is a measure of entropy where the unit is bits of ...