TY - RPRT TI - Sample size and the detection of a hump-shaped relationship between biomass and species richness in Mediterranean wetlands AU - J. L. Espinar PY - 2006 DO - 10.1658/1100-9233(2006)17[227:ssatdo]2.0.co;2 UR - https://pubs.usgs.gov/publication/70030460 ID - 70030460 ER -