Large-scale Biogeographical Patterns of Species Richness of Trees. Mares, Michael A. 1992. Neotropical Mammals and the Myth of Amazonian Biodiversity. Morell, Virginia. 1997. Penniisi, E. 1994.
Biodiversity helps keep ecosystems healthy.
Soils Jenny, H., R.J. Arkley, and A.M. Schultz. 1969. The Pygmy Forest-Podsol Ecosystem and its Dune Associates of the Mendocino Coast. Biomes Smith, T. R. Wayne, Derek Girman and M. Bruford. A role for Ecotones in Generating Rainforest Biodiversity. 20 June 1997.