Table 16. Comparison of species richness (number of species) 

 between November 1974 and November-December 1979 

 for all stations. 





No. of 



species 





No. of 



species 



No. of 



species 



Station 



1974 



1979 



Station 



1974 



1979 



Station 



1974 



1979 



1-1 



1 



8 



1-2 



3 



10 



1-3 



11 



13 



2-1 



3 



8 



2-2 



3 



8 



2-3 



13 



19 



3-1 



2 



12 



3-2 



4 



8 



3-3 



13 



23 



4-1 



3 



9 



4-2 



2 



9 



4-3 



13 



17 



5-1 



2 



8 



5-2 



2 



11 



5-3 



18 



25 



6-1 



3 



8 



6-2 



6 



14 



6-3 



18 



15 



7-1 



2 



6 



7-2 



3 



10 



7-3 



13 



28 



8-1 



3 



7 



8-2 



2 



14 



8-3 



12 



18 



9-1 



2 



8 



9-2 



2 



11 



9-3 



11 



26 





2.3 



8.2 



X 



3.0 



10.6 



X 



13.6 



20.4 



Std. dev. 



0.07 



1.6 



Std. dev, 



1.3 



2.2 



Std. dev 



2.7 



5.2 



1-4 



6 



15 



1-5 



16 



16 



Control 







2-4 



6 



20 



2-5 



13 



20 



site C A 



15 



36 



3-4 

 4-4 



14 

 11 



16 

 23 



3-5 



4-5 



13 

 8 



17 

 12 



C B 



26 



39 



X 



20.5 



37.5 



5-4 

 6-4 



11 

 8 



19 

 13 



5-5 

 6-5 



14 

 14 



22 

 29 



Std. dev 



7.8 



2.1 









7-4 



5 



19 



7-5 



8 



21 



Borrow 







8-4 



8 



20 



8-5 



6 



26 . 



site B 1 





21 



9-4 



11 



24 



9-5 



7 



20 



B 2 



— 



15 





8.9 



18.8 



X 



11.0 



20.3 



X 



— 



18.0 



Std. dev 



3.0 



3.6 



Std. dev. 



3.7 



5.1 



Std. dev.| ~ 



4.2 



^No comparable 



data. 













Comparison of species richness (number of species) 

 between May 1975 and May 1980 for all stations. 





No. of species 





No. of 



species 





No. of 



species 



Station 



1975 1980 



Station 



1975 



1980 



Station 



1975 



1980 



1-1 



4 5 



1-2 



5 



14 



1-3 



16 



22 



2-1 



5 7 



2-2 



7 



17 



2-3 



18 



30 



3-1 



4 7 



3-2 



10 



17 



3-3 



15 



19 



4-1 



4 6 



4-2 



6 



14 



4-3 



26 



17 



5-1 



5 6 



5-2 



7 



17 



5-3 



22 



24 



6-1 



4 6 



6-2 



8 



16 



6-3 



20 



8 



7-1 



4 3 



7-2 



7 



17 



7-3 



22 



20 



8-1 



6 6 



8-2 



6 



11 



8-3 



14 



27 



9-1 



6 4 



9-2 



9 



15 



9-3 



19 



18 



X 



4.7 5.6 



X 



7.2 



15.2 



X 



19.1 



21.8 



Std. devj 



0.9 1.3 



Std. dev. 



1.6 



2.2 



Std. dev. 



3.9 



4.4 



1-4 



15 23 



1-5 



19 



27 



Control 







2-4 



14. 22 



2-5 



19 



32 



sites C A 



40 



33 



3-4 

 4-4 



16 20 

 16 13 



3-5 



4-5 



24 

 15 



29 

 17 



C B 



30 



43 



X 



35 



38.0 



5-4 



17 14 



5-5 



20 



22 



Std. dev. 



7.1 



6.2 



6-4 



19 15 



6-5 



19 



12 









7-4 



23 14 



7-5 



27 



26 



Borrow 







8-4 



17 16 



8-5 



23 



17 



sites B 1 





15 



9-4 



21 17 



9-5 



, 21 



20 



B 2 



— 



11 



X 



17.6 17.1 



X 



20.8 



22.4 



X 





13.0 



Std. dev 



' 2.9 3.7 



Std. dev. 



3.5 



6.5 



Std. dev. 





2.8 



^No comps 



rable data. 













39 



