The results and conclusions presented in this report are derived from the work of the primary author, and also draws upon the work of other scientists listed in the acknowledgements and reference sections. [...] As the models developed in unanticipated directions, we focused on exploring model 3. The delineation of the areas required for performance and the identification of source the conservation of grizzly bears in the areas and linkages where data was available. [...] Because of the importance of the NCD to regional grizzly bear conservation in the U. S., Southern Alberta and B. C., a high level of protection and careful management is warranted. [...] The human protection, make removal and destruction of population in the GY is also increasing in problem bears easier, and turn management of numbers and range and is providing obstacles to grizzly bears over to the state governments of the expansion of the grizzly bear population Idaho, Montana and Wyoming. [...] While Many biologists consider the NCD grizzly bear this issue is being addressed, it is essential that population to be the center of grizzly bear management efforts to preserve the quality and conservation in the Lower 48.