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wetlands and deep water habitats found within river channels, but does not include wetland habitats dominated by trees (riparian systems) that occur in the adjacent flood plain. Riverine habitats are greater than 2 meters in depth or are beyond the depth of rooted vegetation. The Mokelumne River channel is therefore classified as riverine habitat. Riparian habitats, as described above, are found contiguous with riverine systems. Wildlife Associations. The narrow-corridor and cut-bank nature of the Mokelumne River as it passes along the property provides a narrow and vertical habitat structure which supports few wildlife species. The most important element of this habitat type is the steep compacted soil banks. These provide important habitat for bank- nesting species. Burrows consistent with those made by belted kingfishers (Cereal allusion) are present, indicating that this fish-eating species probably nests on the property. In addition, smaller burrows observed during our surveys may be the result of northern rough-winged swallows . Lacustrine According to Mayer and Landenslayer(1988), lacustrine habitats are inland depressions or dammed riverine channels containing standing water. They may vary from small ponds of less than one hectare to large areas covering several square miles and can vary from a few inches to many feet in depth. Typical lacustrine habitats include permanent lakes (Lake Tahoe) or dammed river sites (Shasta Lake). Tracy Lakes are an intermittent playa type of lake system. Covering 350 acres (2,300 acre-feet) when fully flooded,Tracy Lakes function as a lake system from probably January to early or mid-summer(Photo 1). Since Tracy Lakes flood to an average depth of over 6.5 feet during maximum flood-up, there would not be functional emergent vegetation during most of the critical winter waterfowl Buckeye Ranch Resource Plan (November, 1993) 61