201


Table 18. Calculated group Mosquitofish respiration rates on
different sampling dates, based on length frequency histograms
from collections.


 Calculated Respiration Rate
 Date mg 02b/mg dry weight fish


July 9,
July 16
July 23
July 30


1974


Aug
Aug
Aug


Sept 3
Sept 17


Oct
Oct
Oct


Nov 29

Dec 10


Jan 22, 1975


Feb 25

Mar 31

Apr 28

June 12


3.20
3.03
3.20
2.93

1.99
2.56
2.38

2.59
2.95

2.39
2.15
2.02

1.59

1.58

2.11

2.41

2.37

2.46

2.36


from von Bertalanffy's (1951) equation: a Wb, using Hoss' (1968)
coefficients for a similar-sized species. W is wet weight.
bln respiration, oxygen consumed (mg) is equal to organic matter
consumed (mg dry.weight).