Avian Use of Purple Loosestrife Dominated Habitat Relative to Other Vegetation Types in a Lake Huron Wetland Complex
Table 4
| TABLE 4. Mean avian density (no./ha) ± SE, avian diversity (Shannon-Weaver) ± SE, and number of second and third period plots by (n) vegetation type in Saginaw Bay wetlands, 1994-1995. | |||
| Vegetation typea | nb | Densityc | Diversityc |
| SS | 30 | 51.33 ± 3.4 A | 1.05 ± 0.08 A |
| WM/SS | 19 | 38.95 ± 4.3 BC | 0.63 ± 0.10 B |
| WM/SS/LS | 13 | 44.62 ± 5.2 ABC | 0.59 ± 0.12 B |
| WM/LS | 12 | 49.17 ± 5.4 AB | 0.22 ± 0.12 C |
| WM | 21 | 39.52 ± 4.1 BC | 0.62 ± 0.09 B |
| IC | 23 | 41.74 ± 3.9 ABC | 0.74 ± 0.09 B |
| CC | 51 | 36.27 ± 2.6 C | 0.56 ± 0.06 B |
| CB | 20 | 0.50 ± 4.2 D | 0 C |
| a Vegetation
types: SS = scrub-shrub, WM/SS = wet meadow/scrub-shrub, WM/SS/LS = wet
meadow/scrub-shrub/loosestrife, WM/LS = wet meadow/loosestrife, WM = wet
meadow, IC = inland cattail, CC = coastal cattail, CB = coastal bulrush. b Excludes early period surveys because of missing data. c Means with columns followed by the same letter do not differ (P > 0.05) as determined by ANOVA and Fisher's least significant difference. |
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Previous Section -- Table 3 -- Number and percent of plots found in Saginaw Bay wetlands.
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Next Section -- Table 5 -- Mean density of the observed bird species by vegetation in Saginaw Bay wetlands.
