|
|
| |
|
|
| |
|
Back Bay Wildlife Refuge Marsh Data 18 Sept 2004
|
|
|
| |
|
|
|
|
| |
|
| Abiotic |
|
| temperature |
|
| air |
23 C |
| water |
25 C |
| sediment |
23 C |
|
|
| Salinity |
Conditions |
| 0 ppt |
high winds |
|
overcast; damp |
| Turbidity |
soil (mud) |
| 12 cm |
sandy |
|
dripped water |
| Tide |
dark brown/grey |
| high |
did not crumble |
| wind driven |
did not hold form |
|
silty |
|
|
|
| |
|
| Transect |
|
|
|
|
| Distance (m) |
Ht Hrd Pk (m) 2001 |
Ht Surf Sft Sed (m) 2001 |
Ht Hrd Pk (m) 2004 |
Ht Surf Sft Sed (m) 2004 |
| -24 |
|
|
-1.85 |
-1.1 |
| -21 |
|
|
-1.68 |
-1.12 |
| -18 |
-1.04 |
-0.94 |
-1.2 |
-1.08 |
| -15 |
-0.88 |
-0.78 |
-1.19 |
-1 |
| -12 |
-0.77 |
-0.72 |
-1.06 |
-0.93 |
| -9 |
-0.72 |
-0.66 |
-0.95 |
-0.91 |
| -6 |
-0.61 |
|
-0.82 |
-0.78 |
| -3 |
-0.4 |
|
-0.66 |
-0.54 |
| 0 |
0 |
|
0 |
0 |
| 3 |
0.03 |
|
0.11 |
|
| 6 |
0.035 |
|
0.26 |
|
| 9 |
0.045 |
|
0.22 |
|
| 12 |
0.065 |
|
0.3 |
|
| 15 |
0.065 |
|
|
|
| 18 |
0.06 |
|
|
|
|
|
|
| |
|
|
|
|
| |
|
| Biomass |
|
|
| Littoral Zone |
stem count |
% cover |
| 1/2 m2
Juncus roemerianus |
121 |
100 |
| 1/2
m2 Panicum
sp. |
|
100 |
|
|
|
| Supralittoral
Zone |
|
|
| 1/2 m2
Cyperus esculentes |
8 |
70 |
|
Spartina cynosuroides |
4 |
|
|
Andropogon ellioti |
5 |
|
| 100%
m2 Panicum
sp. |
100 |
|
|
|
| Higher
Topography |
|
|
| 1 m2
Cyperus esculentes |
26 |
80 |
|
Panicum
sp. |
5 |
|
|
Andropogon ellioti |
1 |
|
|
|
|
| |
|
| Floristics |
|
|
| Littoral Zone |
|
|
| Juncus
roemerianus |
Black needlerush |
| Scirpus
olneyi |
3 square |
|
| Spartina
alterniflora |
smooth cord grass |
| Spartina
cynosuroides |
big cord grass |
|
|
|
| Supralittoral
Zone |
|
|
| Atriplex
patula |
marsh orach |
| Baccharus
halmifomia |
Sea myrtle |
| Cyperus
esculentes |
straw colored cyprus |
| Echinocloa
walterii |
Walter Millet |
| Euthamia
graminifolia |
grassleaf goldenrod |
| Hibiscus
moscheutos |
Rose mallow |
| Iva
frutescens |
Marsh elder |
| Mikania
scandens |
Climbing hempweed |
| Myrica
cerifera |
Wax myrtle |
| Panicum
virgatum |
switchgrass |
| Pluchea
purpurescens |
Annual salt marsh
fleabane |
| Setaria
geniculata |
foxtail |
|
| Setaria
magnus |
giant foxtail |
| Solidago
sempervirens |
Seasside goldenrod |
|
|
|
| |
|
| Fauna |
|
| Haliacetus
leucocephalis |
bald eagle |
| Menidia
beryllina |
Bay Silver side |
| Morone
chrysops |
white bass |
| Lepomis
microlophus |
redear sunfish |
| Agkistrodon
piscivorus |
water mocasin |
|
|
|
| |
|
|
|
|
| |
|
|
|
|
| |
|
|
|
|
| |
|
Lodge
Marsh
|
Maritime
Forest
|
Scrub
Shrub
|
Beach
|
Pictures
|
|
|
| |
|
|
