Chesapeake Bay Field Survey for Juvenile and Adult Callinectes sapidus, one season
(mean number of crabs computed from monthly trawl survey data)


Station #1: Mouth of Chesapeake Bay

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.43
29.71
2
1
1
21
Apr - May
56.65
27.44
1
0
0
27
Jun - Aug
73.49
28.47
0
0
2
20
Sep - Nov
65.12
29.94
4
1
4
28


Station #2: Mouth of James River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
43.45
22.19
9
4
6
13
Apr - May
59.40
21.82
6
4
6
10
Jun - Aug
74.52
24.09
3
3
3
15
Sep - Nov
65.62
23.42
10
1
12
15


Station #3: James River at Hog Island

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
44.82
3.35
6
12
4
4
Apr - May
63.44
1.90
4
8
3
3
Jun - Aug
80.86
5.34
1
6
0
3
Sep - Nov
67.48
7.03
8
6
5
0


Station #4: Mouth of York River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
43.56
20.74
20
9
19
12
Apr - May
59.02
18.46
21
9
24
17
Jun - Aug
76.81
20.89
10
8
13
13
Sep - Nov
66.82
22.04
33
5
35
13


Station #5: Pamunkey River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
44.45
2.25
18
15
10
0
Apr - May
63.83
1.65
12
14
6
1
Jun - Aug
80.19
4.30
6
8
3
0
Sep - Nov
66.07
6.45
13
5
11
0


Station #6: Mouth of Rappahannock River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
42.40
17.09
14
14
12
6
Apr - May
59.36
14.35
9
9
6
6
Jun - Aug
78.12
16.26
3
7
1
3
Sep - Nov
65.43
18.65
10
4
8
2


Station #7: Bayside Eastern Shore

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
42.64
20.65
25
11
32
17
Apr - May
56.81
19.03
25
5
30
13
Jun - Aug
76.34
19.68
15
4
17
9
Sep - Nov
65.44
21.68
41
3
39
10


Station #8: Tangier Island

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.70
19.04
37
9
39
19
Apr - May
58.83
17.39
33
6
33
17
Jun - Aug
77.64
18.27
13
4
17
11
Sep - Nov
64.07
20.30
39
2
44
8


Station #9: Smith Island

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.51
17.76
34
6
34
15
Apr - May
58.22
16.48
30
6
35
17
Jun - Aug
78.29
16.88
10
5
14
8
Sep - Nov
64.73
18.84
37
3
39
9


Station #10: Mouth of Potomac River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.85
13.40
10
12
8
8
Apr - May
57.10
11.50
11
11
7
6
Jun - Aug
75.97
12.90
5
5
1
3
Sep - Nov
64.94
14.89
11
6
9
2


Station #11: Upriver Potomac

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.80
3.56
15
16
4
1
Apr - May
59.28
1.40
14
14
5
1
Jun - Aug
79.36
2.31
7
8
1
0
Sep - Nov
63.51
4.71
13
9
5
0


Station #12: Mouth of Choptank River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
40.86
13.77
17
12
7
0
Apr - May
58.53
11.94
19
8
9
1
Jun - Aug
77.74
11.97
10
5
5
0
Sep - Nov
63.15
14.70
15
4
6
0


Station #13: Mouth of Severn River

 
Water Temp (°F)

Salinity
(ppt)

Males
Juv.              Adult
Females
Juv.              Adult
Dec - Mar
41.38
14.50
12
10
3
0
Apr - May
53.15
11.99
13
9
3
0
Jun - Aug
73.79
13.00
9
5
2
0
Sep - Nov
65.90
15.55
13
5
4
0