Avian Use of Purple Loosestrife Dominated Habitat Relative to Other Vegetation Types in a Lake Huron Wetland Complex

Table 1

TABLE 1. Mean cover (Robel) height (cm) ± SE and mean water depth (cm) ± SE by period and vegetation type in Saginaw Bay wetlands, 1994 - 1995.
	Period 1		Period 2		Period 3
Year and site^a	Cover height	Water depth	Cover height	Water depth	Cover height	Water depth
1994 SS	27.8 ± 4.3	27.5 ± 0.9	55.0 ± 5.9	12.1 ± 3.2	75.7 ± 8.1	25.4 ± 2.9
1995 SS	35.8 ± 3.4	24.4 ± 0.8	68.8 ± 4.3	14.4 ± 0.7	74.6 ± 5.5	1.9 ± 0.6
1994 WM/SS	-^b	-	62.8 ± 4.2	saturated	56.7 ± 3.5	saturated
1995 WM/SS	24.4 ± 4.1	0.2 ± 0.2	67.8 ± 7.8	saturated	100.8 ± 8.7	saturated
1994 WM/SS/LS	-	-	107.5 ± 11.0	saturated	101.1 ± 3.9	saturated
1995 WM/SS/LS	30.0 ± 8.5	saturated	48.9 ± 4.2	saturated	87.8 ± 9.5	0.5 ± 1.7
1994 WM/LS	-	-	84.4 ± 8.8	saturated	106.7 ± 8.2	2.2 ± 0.4
1995 WM/LS	38.9 ± 4.8	saturated	63.3 ± 3.3	saturated	87.8 ± 6.4	saturated
1994 WM	-	-	81.7 ± 5.1	0.3 ± 0.2	83.9 ± 2.6	1.8 ± 0.8
1995 WM	30.6 ± 2.6	saturated	61.1 ± 4.3	saturated	68.3 ± 6.7	saturated
1994 IC	80.0 ± 3.2	29.9 ± 2.0	70.7 ± 4.1	21.0 ± 1.7	110.6 ± 7.2	26.4 ± 1.4
1995 IC	41.4 ± 6.6	17.1 ± 3.4	52.4 ± 9.0	13.3 ± 2.5	94.8 ± 6.4	7.7 ± 1.9
1994 CC	-	-	71.2 ± 7.5	22.0 ± 2.6	144.3 ± 8.2	31.6 ± 2.4
1995 CC	60.3 ± 4.7	9.1 ± 1.4	82.2 ± 6.3	12.5 ± 1.5	127.9 ± 8.3	22.2 ± 1.7
1994 CB	-	-	11.3 ± 3.4	33.5 ± 1.4	34.7 ± 5.5	36.8 ± 1.2
1995 CB	-	-	8.9 ± 2.7	23.7 ± 0.8	33.2 ± 3.6	30.1 ± 1.1
^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 Dashes (-) indicate insufficient or lack of data.

Previous Section -- Figure 1 -- Characters of surveyed vegetation types in Saginaw Bay Wetlands.
Return to Contents
Next Section -- Table 2 -- Distribution of breeding birds by vegetation type in Saginaw Bay wetlands, 1994 - 1995.