Hurlbert's unbiased estimate of Sander's rarefaction.
Value
A numeric vector.
References
Hurlbert, S. H. (1971). The Nonconcept of Species Diversity: A Critique and Alternative Parameters. Ecology, 52(4), 577-586. doi:10.2307/1934145 .
Sander, H. L. (1968). Marine Benthic Diversity: A Comparative Study. The American Naturalist, 102(925), 243-282.
See also
Other alpha diversity measures:
index_ace(),
index_baxter(),
index_berger(),
index_boone(),
index_brillouin(),
index_chao1(),
index_chao2(),
index_ice(),
index_margalef(),
index_mcintosh(),
index_menhinick(),
index_shannon(),
index_simpson(),
index_squares(),
observed()
