FIGURE 1 in Distribution and diversity of earthworms in different land use systems in Rio Grande do Sul, Brazil

FIGURE 1. Location of 124 counties with qualitative collections including identification of earthworm species in the state of Rio Grande do Sul. The species richness is presented with different shades of color, and ranges from 1 to over 20 species. Counties not sampled are shown in white. Black bold line represents the approximate southern limit of the Atlantic Forest biome and the northern limit of the Pampa biome in the state.