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3/21/80 5050.4 section 7(a) of the Endangered Species Act Amendments of 1978 and further evaluation shall be performed under FAA direction as described in paragraph 85j. (c) For proposed actions which are not "construction projects," the procedure below shall be followed. 1 The list of Endangered or Threatened Wildlife and Plants shall be consulted to determine whether there are any such species in the area affected by the proposed action. If there are not, this information shall be included in the environmental assessment. No further analysis is necessary. 2 If there are endangered or threatened species in the area affected by the proposed action, the environmental assessment shall include an analysis of anticipated impacts on such species and their critical habitats. If this analysis shows that'the proposed action would not affect endangered or threatened species or adversely modify their critical habitat, it may be assumed that impacts are not significant. No further analysis is necessary. 3 If the environmental assessment indicates an impact on endangered or threatened species or on critical habitat, the proposal is con- sidered to be one with potential significant impact. Consultation under section 7(a) of the Endangered Species Act Amendments of 1978 and further evaluation shall be performed under FAA direction as described in paragraph 85j. (11) Wetlands. (a) Wetlands are defined in Executive Order 11990, Protection of Wetlands, as "those areas that are inundated by surface or ground water with a frequency sufficient to support and under normal circumstances does or would support a prevalence of vegetative or aquatic life that requires saturated or seasonally saturated soil conditions for growth and reproduction." Wetlands generally include swamps, marshes, bogs, and similar areas such as sloughs, potholes, wet meadows, river overflows, mud flats, and natural ponds." Wetlands also include estuarine areas, tidal overflows, and shallow lakes and ponds with emergent vegetation. Furthermore, the wetlands ecosystem includes those areas which affect or are affected by the wetland itself; e.g., adjacent uplands or regions upstream and downstream. Areas covered with water for such a short time that there is no effect on moist soil vegetation are not included within the definition of wetlands nor are the permanent waters of streams, reservoirs, and deep lakes. (b) Wetlands are valuable ecological systems. They can serve to accumulate, convert, store, and supply basic nutrients; provide habitat for many kinds of wildlife; serve to regulate the flow of runoff waters and cleanse them of pollutants; provide a buffer against storm waters and help reduce flooding; serve as water recharge areas; and provide a scientific and recreational resource. The importance of wetlands to the Nation was reemphasized in Executive Order 11990, issued May 24, 1977. This executive order provides that Federal agencies: Chap 5 Par 47 Page 45