Felsgate Creek Data September 2005

 

9 and 13 September 2005 

Fauna UCA 90905 90905 130905
Species Male Female Total
Uca pugilater  6 12
Uca longisignalis 1 0 33
Uca minax 0 0 1
Sesarma reticulatum 1 8

 

Fauna: Seine    090905 130905   
Menidia beryllina inland silverside 8    
Micropogonius undulatus Atlantic croaker 1    
Anchoa mitchelli bay anchovy      
Leiostomus xanthurus  Atlantic spot 1  1  
Callinectes sapidus Atlantic blue crab

2

immature male and female  

Snail Collection    
Littorina      
  High Tide Low Tide 140905
rank ht cm 090905 ht cm 140909 travel cm
1 0 0 1
2 1 0 2
3 1 0 3
4 1.5 0 7
5 1.5 0 7
6 3 0 19
7 3 0 20
8 4 0 24
9 4 0 34
10 5 0 38
11 6 0 40
12 7 0 50
13 10 0 58
14 10 0 61
15 11 0 65
16 11 0 77
17 11 0 77
18 11 0 81
19 11 0 82
20 12 0 86
21 12 0 92
22 12 0 93
23 12 0 98
24 12 0 99
25 12 0 100
26 12 0 102
27 13 0 103
28 13 0 103
29 14 0 105
30 14 0 110
31 15 0 111
32 15 0 112
33 16 0 115
34 16 0 116
35 17 0 129
36 17 0 134
37 17 0 135
38 17 1 135
39 17 1 138
40 17 2 141
41 18 3 145
42 19 5 153
43 19 5 155
44 21 5 158
45 22 9 160
46 23 18 160
47 26 37 172
48 26 37 224
49 29 45 226
50 35 63 226
51 37    
  Average Average Average
  13.5 4.62 97.64

Lincoln-Peterson Population Estimate
Quadrat  4m x 8m
Littorina irrorata
N = M (n+1) / R+1
Where N is population size
M is original sample size
Second sample size is n
Recaptured snails  is R
8-Sep-04
N = 300 (351)/51 = 2065 snails
65 Littorina/m2)

 

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