fies SCS regions from the standpoint of the percentage of lands that are suitable for cultivation. In Figure 16, two levels of suitability are indicated with one level being more than 67% of the land suitable and the second level being from 50% to 66% of the land suitable for cultivation. This map is considered to be less reliable than Figure 15, and the agricultural variable is overrepresented in Figure 16. Together, figures 15 and 16 should include most of the land area that would be considered as prime agricultural land under the SCS classification program. Spatial Coverage: In Figure 15, 341 grid cells are classified as irrigated land and 2025 grid cells are classified as cropland. In Figure 16, 4741 grid cells are mapped as more than 67% of land suitable for cultivation and 507 grid cells are mapped in the 50% to 66% suitable category. L. FLYWAYS OF MIGRATORY WATERFOWL - FIGURE 17 Rationale: Implementation of the Satellite Power System will result in microwaves being beamed from the satellite to the rectenna. Migrating birds and other life forms that fly would be exposed to microwave levels with a power density as high as 23 miliwatts per square centimeter if they flew between the rectenna and the satellite. At this time, little if any research has been conducted on the effects of these microwave levels on unshielded species. Prior to the implementation of the SPS, this research will need to be conducted. If the results of this research effort indicated significant effects from these microwaves, then areas that are utilized extensively by migrating birds would be treated as exclusion variables. Because of time constraints, the Rice University team did not attempt to study the migration habits of all migratory bird species. However, the flyways utilized by migratory waterfowl are fairly well known and the decision was made to map these corridors to examine the effect that these flyways could
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