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Table 1 Selected life history variables of Branchipus schaefferi exposed to different concentrations of salt. For a given variable, treatments carrying same alphabet are not statistically significant (p > 0.05, Tukey's test)

From: Effect of salinity stress on the life history variables of Branchipus schaefferi Fisher, 1834 (Crustacea: Anostraca)

Salt conc. (g/l)

Life Expectancy at birth (days)

Gross Reproductive rate (cysts / female)

Net reproductive rate (cysts / female)

Rate of pop. increase (r)

 

Female

   

0

49.5 ± 1. 9a

990.8 ± 47.0a

969.7 ± 37.4a

0.515 ± 0.004a

1

24.8 ± 0.8b

412.3 ± 14.6b

395.0 ± 20.9b

0.542 ± 0.002b

2

14.2 ± 0.2c

63.5 ± 6.9c

62.0 ± 8.1c

0.480 ± 0.003c

4

12.2 ± 0.3c,d

84.0 ± 24.1c,d

84.0 ± 24.1c

0.490 ± 0.02c

8

8.5 ± 0.1d

13.0 ± 1.8d

13.0 ± 1.8c

0.318 ± 0.01c

 

Male

   

0

53.8 ± 1.7a

   

1

26.8 ± 1.4b

   

2

18.5 ± 1.5c

   

4

14.5 ± 0.2d

   

8

8.3 ± 0.2e