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. . 0 0 ("':) -, .... to 18 The implementation of either of the options identified above would not place further constraints on other resource uses in the basin than already exist. The requirement for federal entities to ensure that their actions are not likely to jeopardize listed species or adversely modify or destroy critical habitat will continue to be adhered to for actions regarding the razorback sucker regardless of this experimental program. The confirmed presence of the experimental fish would not render analysis of impacts of proposed actions more stringent than is the current practice. VI. IRREVERSIBLE AND IRRETRIEVABLE COMMITMENT OF RESOURCES Although it is considered feasible that the stocked razorback sucker could be relocated and recaptured should it be necessary to do so, the commitment of these individual fish to this research effort is more realistically viewed as irreversible. With the exception of staff time and funding that would be expended to support these investigations, no other irreversible and irretrievable commitment of resources is considered a likely effect of the proposed action. VII. CONSULTATION AND COORDINATION The proposal to develop an augmentation plan for the razorback sucker was approved as part of the 1997 Work Plan submitted to the Implementation Program's Coordination Committee at its 25 February 1997 meeting, with the request that details concerning the use of Mohave razorback sucker be presented. The augmentation plan has been expanded to include those details. The proposal to augment the population of razorback sucker in the San Juan River by stocking hatchery-reared fish was submitted to the Biology Committee of the San Juan River Basin Recovery Implementation Program for review and approved on 19 March 1997. IntraService section 7 consultation under the Endangered Species Act for the initial experimental stocking proposal was completed in October 1993, with a concurrence by the three Ecological Services offices in Utah, Colorado, and New Mexico that the action would have no effect on proposed critical habitats for the Colorado squawfish and razorback sucker, would have no effect on populations of Colorado squawfish in the San Juan River, and would not be likely to adversely affect populations of razorback sucker in the San Juan River. Similarly IntraService section 7 consultations were completed for the second stocking on November 14,1994, the third stocking on September 22, 1995, and the fourth stocking on August 12, 1996. With the exception that the proposed critical habitat for both species has now been designated, findings in the subsequent consultations have mirrored that of the first. IntraService section 7 consultation on the proposed augmentation plan was completed on July 31, 1997. The' consultation concluded that the implementation of the augmentation plan with any of its options concerning source of stocked fish would have no effect on critical habitats for the Colorado squawfish and razorback sucker, would have no effect on the Colorado squawfish and southwestern willow flycatcher, and would not be likely to adversely affect the razorback sucker.