Applications and Investigations in Earth Science (9th Edition)
Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN: 9780134746241
Author: Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher: PEARSON
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Question
Which species is the most abundant? Explain why the species is the most important in relation with the factors affecting the organisms.
Planktons
Table 7.2 Total counting of planktons in the lake.
No
Statio Statio Station
Total Number
of Species
Species
n 1
n 2
3
(AC X EF)
1
5
3
93
Keratella cochrealis
Paracyclops fimbriatus
2
6
0
60
4
2
46
Ectocyclops pharelatus
Ceridodaphnia cornuta
10
2
107
5
Moina macropora
3
7
73
6 Keratella tropica
1
2
26
7 Brachionus forficula
8
4
93
8
Trichocerca capucina
2
5
3
67
9
Anabaena torulosa
4
3
1
53
10
4
5
4
87
Microcystis aurigenosa
11 Pediastrum simplex
12 Euglena viridis
5
4
6
15
100
6
3
2
11
73
Length of one strip = 50 mm
Width of one strip = 1.0 mm
EF= 1,000 mm³/ 50 x 1.0 x 1.0 x 3= 6.67
Depth of one strip = 1.0 mm
Number of strips used = 3
1. Which species is the most abundant? Explain why the species is the most
important in relation with the factors affecting the organisms.
ایا جا
3
4
63TTINO
1
4
1
1
2
Actual
count (AC)
14
9
7
16
11
4
14
10
8
13
expand button
Transcribed Image Text:Planktons Table 7.2 Total counting of planktons in the lake. No Statio Statio Station Total Number of Species Species n 1 n 2 3 (AC X EF) 1 5 3 93 Keratella cochrealis Paracyclops fimbriatus 2 6 0 60 4 2 46 Ectocyclops pharelatus Ceridodaphnia cornuta 10 2 107 5 Moina macropora 3 7 73 6 Keratella tropica 1 2 26 7 Brachionus forficula 8 4 93 8 Trichocerca capucina 2 5 3 67 9 Anabaena torulosa 4 3 1 53 10 4 5 4 87 Microcystis aurigenosa 11 Pediastrum simplex 12 Euglena viridis 5 4 6 15 100 6 3 2 11 73 Length of one strip = 50 mm Width of one strip = 1.0 mm EF= 1,000 mm³/ 50 x 1.0 x 1.0 x 3= 6.67 Depth of one strip = 1.0 mm Number of strips used = 3 1. Which species is the most abundant? Explain why the species is the most important in relation with the factors affecting the organisms. ایا جا 3 4 63TTINO 1 4 1 1 2 Actual count (AC) 14 9 7 16 11 4 14 10 8 13
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