figure 4: data overview map seagrass survey area corps of … · 2012. 12. 19. · figure 4: data...
TRANSCRIPT
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Approximate Extentof Dredge Material
47.59 Acres
Approximate Extentof Seagrass Impacts
40.47 Acres
Post-Contruction Live SeagrassWithin PA 62 Boundary
Approximately 173.28 Acres
GIWW
Approximate Originof Dredge Material
Approximate Extentof Dredge Material
42.83 Acres
Post-Contruction Live SeagrassWithin PA 62 Boundary
Approximately 173.28 Acres
Approximate Extentof Seagrass Impact
37.55 Acres
Approximate Originof Dredge Material
PA 62 SurveyBoundary
Approximate Area of Seagrass Recolonization
(1.73 Acres)
PA 62 Boundary
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1.3
0.00.1
0.60.1
0.0
1.8
0.1
0.0
0.1
0.5
0.80.5
0.20.0
0.5
1.3
0.11.2
1.02.0
0.00.1
0.0
0.9
0.22.8
-3.6-3.0
-2.4-2.2
-2.2-2.3
-2.1-2.1
-2.3-2.3
-2.2-1.9
-2.0-0.5
-3.5-2.9
-2.0-1.8
-1.9-1.9
-1.9-1.8
-1.6-1.3
-0.9-0.8
-0.7-0.5
-0.4-0.1
-3.0-2.8
-2.3-2.1
-1.9-1.8
-1.9-1.8
-1.7-1.6
-1.4-1.3
-0.9-0.8
-0.6-0.3
-0.2
-0.5
-0.3-0.7
-0.7-0.7
-2.5-2.2
-1.8-1.5
-1.4-1.5
-1.2-1.4
-0.9-1.1
-0.9-0.9
-0.5
-1.5
-1.4
-1.7
-1.5-1.3
-2.3
-0.1
-0.1-0.4
-0.5-0.8
-0.8-1.1
-1.0-1.2
-1.6
-1.2-1.0
-0.9-1.1
-1.5-1.7
-2.3-2.2
-2.0
-0.6-0.4
-0.1
-0.1
-1.8
-0.2-0.1
-0.3-0.4
-0.5-0.7
-0.7-0.8
-1.2-1.4
-2.3
-4.0-3.1
-2.9-2.5
-2.0-1.6
-1.6-1.6
-1.8-1.4
-1.1-1.2
-1.0-0.8
-1.0-1.0
-0.8-0.8
-3.5-3.1
-2.3-2.2
-2.3-2.0
-1.7-1.7
-1.8-1.5
-1.2-1.2
-1.0-0.9
-0.8
-3.6-2.7
-2.5-2.0
-2.0-1.9
-2.1-1.7
-1.7-1.4
-1.3-1.0
-0.6-0.7
-0.5-0.2
-3.0-2.5
-2.4-2.2
-1.8-1.6
-2.0-2.3
-1.5-1.0
-2.9-2.7
-2.3-2.3
-2.0-2.0
-1.5-2.3
-2.0-1.6
-1.6-1.2
-1.2-1.0
-0.5-0.3
-0.4-0.2
-2.3-2.1
-1.7-1.6
-1.6-1.7
-1.8-1.5
-1.2-1.0
-0.9-0.6
-0.2-0.4
-0.1-0.2
-2.6-2.3
-1.8-1.3
-1.0-1.1
-1.4-1.7
-1.5-1.1
-0.9-0.7
-0.9-0.5
-0.6-0.6
-0.5-0.2
-0.6
-2.8
0.2
0.0
0.2
0.4
0.2
0.9
0.3
0.2
0.50.3
0.20.0
0.0
2.3
1.0
0.0
0.00.8
0.3
0.2
0.28.2
0.2
0.0
-0.1
-2.3
-0.3-0.3
-2.2-2.0
-1.9-1.9
-2.0-1.7
-1.4-1.2
-1.1-1.1
-0.6-0.4
-0.2-0.1
-0.2-0.4
-0.5-0.7
-0.7
-1.4-1.4
-1.8-1.2
-1.0-1.0
-0.8-0.6
-1.9
-1.7
-0.3
-1.4
-0.7-0.6
-0.3-0.1
-0.3
-0.7
-2.3
-2.4
-1.7
-1.4
-0.1
-0.6-0.8-0.9
-0.9
-0.8-1.0
-1.2
-1.8
-0.5
-2.2
-0.1
-0.9
-1.1-0.9
-1.5-1.2
-1.5
-0.6
-1.0
-0.3
-0.4
-1.6
-1.9-2.0
-2.0
-3.7-3.4
-2.7-2.3
-2.1-2.3
-2.3-2.1
-2.2-2.3
-2.2-1.7
-2.0-1.4
-0.1
-3.9-3.1
-1.9-1.9
-1.9-1.8
-1.5-1.4-0.9
-0.9-0.8
-0.6-0.5
-0.2
-3.5-2.9
-2.3-2.6
-0.2
-0.1-0.2
-0.4-0.5
-0.6-0.7
-0.8-1.1-1.2
-1.4-1.2
-1.5-1.6-1.6
-1.5-1.5
-2.3
-2.2-2.0
-2.1
-0.8-1.6
-2.6-2.3
-2.1-1.7
-2.0-2.0
-1.7-1.5
-1.4-1.1
-0.8-0.7
-0.7
-1.7-1.7
-2.0-1.9
-1.2-1.3
-2.1-2.0
-1.8-2.0
-2.0-1.6
-1.6-1.2
-1.0-0.6
-0.4-0.4
-2.1-2.0
-1.8
-0.3
-1.7-1.0
-1.2-1.3
-1.4-1.1
-1.1-0.8
-0.6-0.7
-0.7
-2.5
-0.2
-2.4-1.9
-2.4-2.3
-1.5
-0.1
-0.7
-0.7
-0.1
-2.2
-0.9-0.4
-0.5
-0.3-0.1
-1.8
-0.8
-3.4-3.1
-2.7-2.2
-1.9-1.6
-1.7-1.7
-1.5-1.2
-1.0-1.0
-0.9-0.9
-0.8-0.8
-0.4
-3.2-2.4
-2.2-2.2
-1.7-1.7
-1.7-1.3
-1.2-1.3
-1.0-0.9
-0.9-0.8
-3.3
-2.8
-2.7
-2.7-2.6
-1.5-1.7
-1.7-1.3
-1.1
-0.7-0.1
-0.1-0.1
-2.4-2.7
-2.3
XXX0.0(0.0
/M-O)
hhh0.8
(0.0/s)hhh
0.7(0.1
/s)
xhh0.8
(0.0/s)
xxx0.0
(0.0/s)
H+H+H+1.0(0.0
/s)
H+H+H+0.9(0.0
/s)
H+H+H+1.0(0.1
/s)
H+H+H+0.9(0.1
/s)
H+H+H+1.0(0.1
/s)
XXX0.0(0.2
/S)
XXX0.0(0.1
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.1
/S)
XXX0.0(0.2
/S)
XXX0.0(0.1
/S)
XXX0.0(0.1
/S)
XXX0.0(0.2
/M)XXX0.0(0.1
/S)
XXX0.0(0.0
/O)
XXX0.0(0.0
/s)
XXX0.0(0.0
/s)HHH1.0(0.0
/s)
xxx0.0
(0.0/s)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
hxh1.0
(0.2/m)
xxx0.0
(0.1/s)
xxx0.0
(0.0/m)
xxx0.0
(0.1/m)
xxx0.0
(0.2/M)
xxx0.0
(0.6/M)
xxx0.0
(0.0/S)
hhh1.0
(0.0/S)
hhh1.0
(0.0/S)
xxx0.0
(0.0/S)
xxx0.0
(0.0/S)
xxx0.0
(0.1/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
HHH1.1(0.5
/M)
hhh1.0
(0.5/M)
hhh0.6
(0.3/M)
hhh0.9
(0.3/M)
HHH1.0(0.4
/M)
hhh0.9
(0.2/M)
HHH0.9(0.3
/M)
HHH0.8(0.2
/s)
HHc0.5(0.0
/s)
HHc0.5(0.0
/s)
HHc0.6(0.0
/s)
hhx0.6
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(1.0/dm
)
HHH0.8(0.3
/DM)
HHH0.9(0.3
/DM)
hhh1.0
(0.4/DM)
HHH1.0(0.5
/DM)
hdxx0.6
(0.0/DS)
CH+H+1.0(0
.0/S)
cH+H+1.0(0
.1/m)
XXX0.0(0.0
/M-O)
XXX0.0(0.1
/M-SH)
XXX0.0(0.0
/S-SH)
H+H+H+1.0(0.0
/s)
hdhdx1
.0(0.3/D
M)
hdxhd0
.5(0.5/D
M)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.0
/S)
H+H+c+1.0
(0.0/S)
H+H+H+1.0(0.2
/S)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.4
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.3
/M)
H+H+H+1.0(0.6
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.1
/S)
H+H+H+1.0(0.1
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.3
/M)
H+H+H+1.0(0.2
/M)H+H+H+1.0
(0.1/s)sas
asa0.0
(0.0/s)
hdhdx0
.4(0.3/dm
)
H+H+c1.1(0.3
/DM)
hdhdhd
1.0(0.2
/DM)
hdhdhd
1.0(0.2
/DM)hdh
dhd1.0
(0.4/DM)
hdhdhd
1.0(0.2
/DM)
hdhdhd
1.0(0.4
/DM)
hdhdhd
0.5(0.5
/DM)
hdhdhd
0.4(0.4
/DM)
XXX0.0(0.4
/DM-SH)
SASASA0.0(0.1
/DM)
H+H+H+1.0(0.3
/DM)
H+H+H+1.0(0.4
/DM)
H+H+H+1.1(0.5
/DM)
XX0.4(0.0
/S)
HHH1.0(0.0
/s)
HHH1.0(0.1
/s)
HHH1.0(0.0
/s)
CCh1.0(0.2
/M)
hhh0.5
(0.1/s)
hhh0.3
(0.0/S)
chh1.3
(0.5/M)
HHH1.2(0.6
/M)
HHH1.0(0.3
/M)
HHH1.0(0.5
/s)
HHH0.9(0.1
/s)
HHc0.4(0.0
/s)
HHc0.8(0.0
/s)
hhh1.0
(0.0/s)
hhx1.0
(0.1/m)
cch1.0
(0.3/M)
hhh1.0
(0.0/S)
xxH1.0
(0.1/s)
hhh0.6
(0.0/S)
HHH1.0(0.5
/M)
hhh1.0
(0.3/M)
hhh1.0
(0.3/M)
hhh1.0
(0.2/M)
hhh1.0
(0.2/M)
HHH0.8(0.2
/M)
hxx0.8
(0.0/s)
xhh1.0
(0.1/m)
hhh1.0
(0.4/M)
hhc1.0
(1.0/M)
xHH1.0(0.0
/s)
hhh1.0
(0.0/s)
xhx0.6
(0.0/S)
hhh0.4
(0.0/S)
hxx0.0
(0.0/s)
XXX0.0(0.1
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.2
/S)
XXX0.0(0.1
/S)
XXX0.0(0.2
/M)
XXX0.0(0.3
/M)XXX0.0
(0.3/S)
XXX0.0(0.1
/O)
XXX0.0(0.0
/O)
XXX0.0(0.0
/s)
XXX0.0(0.0
/s)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
xxx0.0
(0.3/m)
xxx0.0
(0.0/S)
xxx0.0
(0.0/S)
xxx0.0
(0.3/s)
xxx0.0
(0.1/s)
xxx0.0
(0.0/S)
xxx0.0
(0.0/S)
xxx0.0
(0.0/S)
XXX0.0(0.0
/S)
XXX0.0(0.0
/S)
XXX0.0(0.2
/M)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
HHHH1.0(0.0
/S)
HHH1.0(0.5
/DM)
HHH1.0(0.5
/DM)
xch1.0
(0.6/DM)
xxx0.0
(0.7/dm
)
xxx0.0
(0.4/dm
)
xxx0.0
(0.3/dm
)
xxx0.0
(0.4/dm
)
xxx0.0
(0.4/dm
)
xxx0.0
(0.7/dm
)
xxx0.0
(0.6/dm
)
xxx0.0
(0.5/dm
)
xxx0.0
(0.5/dm
)
xxx0.0
(0.3/dm
)
xxx0.0
(0.6/dm
)
xxx0.0
(0.5/dm
)
H+cH+1.
0(0.0/S)
cH+H+1.0(0.1
/m)
H+H+c1.0(0.2
/m)
xxhd6.
0(0.0/DS)
xxhd0.
7(0.7/DM)
hdxx0.5
(0.5/DM)
xxhd0.
3(0.3/ds)
xxhd0.
3(0.3/ds)
xhdx0.2
(0.2/ds)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.3
/m)
H+H+H+1.0(0.3
/m)H+H+H+1.0
(0.3/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.2
/m)
H+H+H+1.0(0.3
/m)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.3
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/S)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.2
/M)
H+H+H+1.0(0.1
/s)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.4
/M)
H+H+H+1.0(0.4
/M)
H+H+H+1.0(0.6
/M)
H+H+H+1.0(0.0
/S)
H+H+H+1.0(0.0
/s)
H+H+H+1.0(0.0
/S)
XXX0.0(0.1
/S-SH)
hdxhd0
.5(0.5/DM)
xhdhd0
.2(0.2/ds)
hdhdx0
.2(0.2/dm
)
hdhdhd
0.2(0.2
/S)
H+H+H+1.0(0.2
/DM)
H+H+H+0.8(0.3
/DM)
H+H+H+0.9(0.4
/DM)
H+H+H+1.2(0.7
/DM)
H+H+H+0.9(0.3
/DM)
hdhdhd
1.0(0.1
/DS)
hdhdhd
1.0(0.4
/DM)
hdhdhd
1.0(0.3
/DM)
hdhdhd
1.0(0.1
/DM)
hdhdhd
1.0(0.4
/DM)
hdhdhd
1.0(0.2
/DM)
hdhdhd
1.0(0.3
/DM)hdhdhd
0.4(0.4
/DM)
XXX0.0(0.1
/DM-OS)
sasasa
0.0(0.0
/rk)
hdhdhd
0.4(0.4
/dm)
hdhdhd
0.3(0.3
/dm)
hdhdhd
0.4(0.3
/ds)
hdhdhd
0.3(0.2
/ds)
hdhdhd
0.4(0.6
/dm)
hdhdhd
0.3(0.2
/dm)
hdhdhd
0.7(0.6
/dm)
hdhdhd
0.6(0.6
/dm)
hdhdhd
0.2(0.2
/dm)
hdhdhd
0.5(0.5
/dm)
hdhdhd
0.4(0.4
/dm)
sadsad
sad0.0
(0.1/s)
sadsad
sad0.0
(0.5/m)
sa0.5(0.0
/s)
sa0.0(0
.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/o)xxx
0.0(0.0
/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
hhh0.8
(0.0/s)
sa0.0(0.0
/rk)
xxx0.0
(0.0/s)
hhh0.6
(0.0/s)
cHH1.0(0.1
/s)
hhh1.0
(0.3/m)
xxh0.6
(0.2/m)
xxx0.0
(0.0/s)
Hhh0.6(0
.0/s)
hhx0.6
(0.0/s)
hxx0.5
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
hhh0.5
(0.0/s)
HHh0.9(0.0
/s)xxx
0.0(0.0
/s)HHH0.8
(0.1/s)
hHH0.9(0.1
/s)
hhh0.8
(0.1/s)
hhh0.7
(0.0/s)
hhH0.8
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.1/s)
xxx0.0
(0.1/s)
hhx0.6
(0.1/s)
hhh0.6
(0.0/s)
xhh0.6
(0.0/s)
hxx0.3
(0.1/s)
xxx0.0
(0.0/s)
xxx0.0
(0.4/m)
xxx0.0
(0.0/s)
xxh0.3
(0.0/s)
cHc1.0(0
.4/m)
ccH1.2
(0.6/m)
HhH1.1(0.4
/m)xxx
0.0(0.1
/s)
xxx0.0
(1.0/dm
)
xxx0.0
(1.2/dm
)
xxx0.0
(0.0/wd)
H+HH0.9(0.3
/m)
H+HH1.0(0.0
/s)HhH+0.9(0.1
/s)
HHH+1.0(0.1
/s)
hHH+0.9(0.1
/s)
H+Hh0.8(0.0
/s)
xxhd0.6
(0.2/s)xxx
0.0(0.4
/dm)
xxx0.0
(0.4/dm
)
H+HH0.8(0.0
/s)
xhdx0.5
(0.2/dm
)
H+H+H0.9(0.0
/s)HH+H+0.
8(0.0/s)
H+H+H0.8(0.0
/s)
H+H+H1.0(0.1
/m)
drift0.0
(0.0/s)
H+H+h0.8(0.1
/s)
HH+H+0.8(0
.0/s)xhd
x0.8(0.1
/dm)
H+H+H1.4(0.6
/m)
H+H+H1.2(0.5
/m)
hdhdx1
.0(0.4/dm
)
hdhdx0
.7(0.1/dm
)xhd
hd1.0(0.4
/dm)hdx
hd1.0(0.9
/dm)
hdhdx0
.8(0.5/d
m)
hdhdhd
0.6(0.0
/s)
hdhdx0
.3(0.1/dm
)
H+H+H+0.7(0.0
/s)
H+H+H+0.8(0.0
/s)
H+H+H+1.0(0.0
/s)H+H+H+0.9(0.1
/s)M+M+M+0.9(0.2
/m)
H+H+H+0.9(0.3
/m)
H+H+H+1.0(0.4
/m)
H+H+H+0.8(0.0
/s)
H+H+H+0.9(0.0
/s)H+H+H+1.0(0.0
/s)
H+H+H+0.9(0.0
/s)
H+H+H+0.9(0.0
/s)
H+H+H+0.8(0.0
/s)H+H+H+0.9(0.1
/s)
H+H+H+0.9(0.1
/s)
H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/m)
H+H+H+0.8(0.1
/s)
hdhdx1
.0(0.5/d
m)
hdhdx0
.6(0.0/dm
)
H+H+H+0.6(0.0
/s)
H+H+H+0.6(0.0
/s)
H+H+H+0.6(0.0
/s)
H+H+H+1.1(0.3
/s)
H+H+H+1.0(0.3
/m)
H+H+H+1.0(0.2
/m)
H+H+H+0.8(0.2
/m)
H+H+H+1.1(0.3
/m)
H+H+H+0.9(0.3
/m)
hdhdx1
.0(0.6/d
m)
hdhdhd
0.8(0.1
/dm)
hdhdhd
1.0(0.6
/dm)
hdhdhd
1.0(0.5
/dm)
hdhdhd
1.0(0.4
/dm)hdh
dhd1.0
(0.9/dm
)
hdhdhd
1.0(0.4
/dm)
hdhdhd
0.8(0.4
/dm)
hdhdhd
1.2(0.7
/dm)
hdhdhd
1.3(1.0
/dm)
hdhdhd
1.5(0.8
/dm)
hdhdhd
1.2(0.7
/dm)
hdhdhd
1.8(1.2
/dm)
hdhdhd
1.6(1.0
/dm)
hdhdhd
1.0(0.5
/dm)
hdhdhd
1.0(0.2
/dm)
hdhdhd
0.9(0.1
/dm)
hdhdhd
1.1(0.3
/dm)
sa/drift0
.0(0.0/s
)
sa0.3(0.1
/s)
sa0.0(0
.0/s)
HHH0.9(0.0
/s)
HHH0.8(0.0
/s)HHH0.6(0.0
/s)
hhh0.6
(0.0/s)
HHH0.8(0.0
/s)
Hhh0.8(0.1
/m)
hhh0.8
(0.0/s)
hhh0.8
(0.0/s)
hhH1.0
(0.0/s)
hhh0.9
(0.1/s)
HHc1.1(0.3
/m)
hhh0.9
(0.3/m)
hhc1.2
(0.4/m)
hhh0.8
(0.0/s)hHH0.6
(0.0/s)
hxh0.6
(0.0/s)
hhh0.6
(0.3/m)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)xxx
0.0(0.1
/s)
xxx0.0
(0.0/o)
xxx0.0
(0.0/c)
xxx0.0
(0.0/s)xxx
0.0(0.0
/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.1/m)
xxx0.0
(0.0/s)
xxx0.0
(0.0/o)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.3/m)
xxx0.0
(0.2/m)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
xxx0.0
(0.0/s)
bf0.0(0.0
/sh)
H+HH1.0(0.0
/s)
H+HH1.0(0.0
/s)HHH+1.0(0.0
/s)
H+HH0.8(0.1
/s)
CH+H1.1(0.2
/s)
hHH+0.6(0.0
/s)
H+HH1.1(0.2
/m)
H+Hx0.6(0.0
/s)
H+hh1.2
(0.5/m)
hhh1.0
(0.3/dm
)
hxx0.5
(0.5/dm
)
xxx0.0
(0.6/dm
)
xxx0.0
(0.6/dm
)
xxx0.0
(1.1/dm
)xxx
0.0(0.2
/dm)
xxx1.0
(1.0/dm
)xxx0.0
(0.4/dm
)
xxx0.0
(0.0/wd)
H+H+H1.0(0.0
/s)
H+H+H1.0(0.1
/m)H+HH+1.1(0
.4/m)
H+HH+0.6(0.0
/s)
H+H+H0.9(0.2
/s)
HH+H+0.7(0
.0/s)
HH+H+0.6(0
.0/s)
H+HH+1.0(0.4
/m)
hdhdh0
.1(0.0/s)
hdxx1.0
(0.7/dm
)
hdxx0.5
(0.1/dm
)
xxhd0.
5(0.2/dm
)
bluff0.0
(0.0/c)
H+H+H+1.0(0.0
/s)
H+H+H+0.8(0.0
/s)H+H+H+0.9(0.0
/s)H+H+H+1.0(0.1
/m)
H+H+H+1.0(0.2
/m)
H+H+H-1.0(0.3
/m)
H+H+H+1.0(0.1
/s)
H+H+H+0.9(0.0
/s)
H+H+H+0.7(0.0
/s)H+H+H+0.8(0.1
/s)
H+H+H+0.6(0.0
/s)
H+H+H+0.9(0.2
/m)
H+H+H+1.0(0.1
/s)
H+H+H+0.8(0.0
/s)
H+H+H+0.6(0.0
/s)
H+H+H+0.6(0.1
/s)
H+H+H+1.0(0.1
/s)
H+H+H+1.0(0.2
/m)
H+H+H+0.9(0.2
/m)
H+H+H+0.8(0.2
/m)
H+H+H+1.0(0.3
/m)
H+H+H+1.1(0.5
/m)
xhdhd1
.0(0.6/dm
)
hdhdx0
.4(0.1/dm
)
hdhdhd
1.0(0.2
/dm)
hdhdhd
1.0(0.2
/dm)
hdhdhd
1.2(0.7
/dm)
hdhdhd
1.1(0.7
/dm)
hdhdhd
1.2(0.9
/dm)hdh
dhd0.9
(0.2/dm
)
hdhdhd
1.0(0.3
/dm)
hdhdhd
1.0(0.6
/dm)
hdhdhd
1.1(0.6
/dm)
hdhdhd
1.1(0.8
/dm)
hdhdhd
1.6(1.0
/dm)
hdhdhd
1.0(0.7
/dm)
hdhdhd
1.0(0.6
/dm)
hdhdhd
1.6(0.6
/dm)
hdhdhd
1.0(0.1
/dm)
hdhdhd
1.2(0.5
/dm)
hdhdhd
1.2(0.4
/dm)
hdhdhd
1.2(0.5
/dm)
purslan
e0.0(0
.0/sh)
Seagrass Species:h= Shoal grass (Halodule wrightii)c= Clover grass (Halophila englemannii)Substrate:s= Sandm= Mudrk= Rocko= Oysterdm= Dredge MaterialDredge Material Key:hd= Presence of SeagrassRoots & Rhizomes (dead Halodule)
Belaire Environmental, Inc. Data Key
Figure 4: Data Overview MapSeagrass Survey Area
Corps of Engineers GIWW PA62, Galveston County, Texas
Notes:-Base map source: 0.5-meter NAIP Imagery obtained online from TNRIS; Galveston County, 2009.-Prepared by Belaire Environmental, Inc December 14, 2012 (JZG).-Elevation data obtained with RTK GPS and provided in NAVD 88 datum.-For planning purposes only; not for construction.-Segrass survey performed from Novermber 15 to November 19, 2012.-Location of dredge material approximated using Pictometry aerial photography from January 28, 2012, and data taken at observation points in the field.
¯0 300 600 900 1,200 1,500
Feet
Seagrass Data KeyBraun-Blanquet Abundance Scores
0= Species absent from quadrat0.1=Species represented by a solitary short shoot, <5% cover0.5=Species represented by a few (<5%) short shoots, <5% cover1= Species represented by many (>5%) short shoots, <5% cover2= Species represented by many (>5%) short shoots, 5%-25% cover3= Species represented by many (>5%) short shoots, 25%-50% cover4= Species represented by many (>5%) short shoots, 50%-75% cover5= Species represented by many (>5%) short shoots, 75%-100% cover
PA 62 BoundaryPA 62 Survey BoundaryPost-Construction Live SeagrassPost-Construction Seagrass ImpactsPre-Construction Seagrass Boundary (Jan. 2012)Seagrass RecolonizationApprox. Dredge Material Boundary
"! Approx. Dredge Material Origin
Transect 1
Transect 2
Transect 3
Transect 4
Transect 5
Transect 6
Transect 7
Transect 8
Transect 9
Transect 10
Transect 11
Transect 12
Transect 13
PA62 Survey BoundaryPA 62 Boundary
Approx. 251.4 Ac of Seagrass Delineated by
Pre-Construction Edge of Seagrass Survey (Jan. 2012)
Post-Construction Live SeagrassWithin PA 62 Boundary
Approximately 173.28 Acres
Example: -1.4 hxhd0.6(0.4/S)First number (Drk Blue) is recorded elevation (Ft. NAVD88).Circled number is Braun-Blanquet score (2).h = Post hole grab with live shoalgrasshd = Post hole grab with dead shoalgrass rootsx = Post hole grab with bare substrateThe underlined number (0.6) is the deepestroot found by measuring the post hole grabFirst number in parenthesis is the soft sediment depth (0.4).Last character in parenthesis represents the material found in the post hole grab (S=sand).Braun-Blanquet-Every other observation point (i.e., at 20-m intervals) was visually assessed using a 0.25-meter quadrat and given a Braun-Blanquet score (0-5).-Braun-Blanquet scores are shown in circles on the location of the observation point.
Data Set Example«2