Table 2 Total cost (BHM in millions of U.S. dollars), cost as a percentage increase above that of the full collaboration scenario, area (in km2), human population, and cumulative biodiversity threat score of subcatchments selected in the Marxan “best solution” (see Materials and Methods).

Collaboration scenarioCost (BHM in millions
of U.S. dollars)
Cost as % increase
above full
Human populationCumulative
biodiversity threat
Area (km2)
No collaboration334.434.024,816,395259.5328,950.0
Partial collaboration265.56.419,943,873255.7294,434.0
Full collaboration249.50.016,041,420235.5260,134.0