FISHERY BULLETIN: VOL. 84, NO. 2 



tial impacts of human activities. We have for the 

 most part addressed only the patterns of habitat use, 

 which contribute to the first two dimensions listed 

 above By giving extra weight to the endangered 

 species in the Habitat Use Index, however, we have 

 also further addressed the dimensions of biological 

 vulnerability and potential impacts. On the other 

 hand, the concept of critical habitat as strictly de- 

 fined should be limited to single species. We have 

 approached the problem from the viewpoint of the 

 entire cetacean fauna of the region. Our analysis has 

 defined those localities which appear to be impor- 

 tant cetacean habitats based on the intensity of 

 utilization with a special emphasis on the en- 

 dangered species. These results now can and should 

 be used as additional input for resource management 

 and decision-making purposes. 



ACKNOWLEDGMENTS 



The preparation of this paper was made possible 

 by funding from the Minerals Management Service, 

 U.S. Department of the Interior, contract number 

 14-12-0001-30090. The CETAP study, which was the 

 source of the data utilized, was funded by the Bur- 

 eau of Land Management, contract number AA551- 

 CT8-48. We would like to collectively acknowledge 

 the many individuals who contributed to CETAP's 

 success. G. B. Epstein developed the computer algo- 

 rithm to measure track line surveyed per block, R. 

 J. Medved provided statistical advice, and M. Nigrelli 

 typed the manuscript. We are also grateful to K. 

 Sherman, S. B. Saila, P. V. August, M. P. Sissenwine, 

 G. T. Waring, and several reviewers at Minerals 

 Management Service who provided helpful criticisms 

 of early drafts of the paper. The work reported 

 herein was part of a dissertation submitted by R. D. 

 Kenney to the Graduate School of Oceanography, 

 University of Rhode Island, in partial fulfillment of 

 the requirements for the degree of Ph.D. 



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