D. M. Olson, E. Dinerstein, E. Wikramanayake, N. Burgess, G. Powell, E. C. Underwood, J. d’Amico, I. Itoua, H. Strand, J. Morrison, C. Loucks, T. Allnutt, T. H. Ricketts, Y. Kura, W. Wettengel, K. Kassem: Terrestrial Ecoregions of the World: A New Map of Life on Earth. In: BioScience. 51 (2001), S. 934 doi:10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2(pdf)
D. M. Olson, E. Dinerstein, E. Wikramanayake, N. Burgess, G. Powell, E. C. Underwood, J. d’Amico, I. Itoua, H. Strand, J. Morrison, C. Loucks, T. Allnutt, T. H. Ricketts, Y. Kura, W. Wettengel, K. Kassem: Terrestrial Ecoregions of the World: A New Map of Life on Earth. In: BioScience. 51 (2001), S. 935 doi:10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2(pdf)
D. M. Olson, E. Dinerstein, E. Wikramanayake, N. Burgess, G. Powell, E. C. Underwood, J. d’Amico, I. Itoua, H. Strand, J. Morrison, C. Loucks, T. Allnutt, T. H. Ricketts, Y. Kura, W. Wettengel, K. Kassem: Terrestrial Ecoregions of the World: A New Map of Life on Earth. In: BioScience. 51 (2001), S. 934 doi:10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2(pdf)
D. M. Olson, E. Dinerstein, E. Wikramanayake, N. Burgess, G. Powell, E. C. Underwood, J. d’Amico, I. Itoua, H. Strand, J. Morrison, C. Loucks, T. Allnutt, T. H. Ricketts, Y. Kura, W. Wettengel, K. Kassem: Terrestrial Ecoregions of the World: A New Map of Life on Earth. In: BioScience. 51 (2001), S. 935 doi:10.1641/0006-3568(2001)051[0933:TEOTWA]2.0.CO;2(pdf)