14 



ASTRID CLEVE-EULER, QUANTITATIVE PLANKTON RESEARCHES IN THE SKAOER RAK. 



especially by thc presence of Paralia, well spread from the bottom-layers beneath 200 m 

 up to 30 m. There is a spring from the very outfreshed surface-layer to the oceanic water- 

 masses below. But the latter are no longer unmixed here. Only very slowly, first at c. 

 100 m, they attain the low temperature and high salinity of the unmixed water. 



Table 12. S. Skag. 9. 58° 21' N., 8° 56' E. 15. VIII 1912. 



CD 



Q 



2 & 



(Co 



Q, 



B £ 



(C S 



o 



o 



>> 

 'Ja 



*3 

 t/j 



rf 

 >> 



0} 



fl 



CD 



Q 



Ceratium 

 bucephalum 



S g 



3 CD 



'■2 ° 



22 



E 



3 m 



'3 ~ 



Vt m 



2 a 



O 



Ceratium 

 furca 



Ceratium 

 longipes 



Is 



•w Q. 



g 'C 



o 



Ceratia 



total 

 numbers 



-t. c 



c * 

 » .2 



o S 

 u 



2 S 



^2 



Diplopsalis 



lenticula f. 



minor 



Peridinia 



total 

 numbers 



Dinophysis 



total 

 numbers ' 



Peridiniales 



total 



numbers 







17,16 



22,92 



16,34 





30 



70 



220 



10 



390 



750 



620 



140 



400 



270 



3,170 



10 



15,82 



33,53 



24,68 



20 





20 



80 





130 



270 



60 



100 





40 



710 



20 



15,61 



33,82 



24,96 





10 



10 



10 





20 



80 



20 





20 





1,150 



30 



14,52 



34,07 



25,39 





10 









20 



30 



20 





50 



30 



170 



40 



13,69 



34,25 



25,68 







40 







50 



100 





10 



30 



10 



170 



50 



13,18 



34,36 



25,88 



















10 



20 





50 



G0 



11,88 



34,34 



26,12 









10 







10 





10 



10 



10 



40 



80 



10,11 



34,61 



26,66 



10 





10 









20 





10 



10 



10 



80 



100 



7,50 



34,70 



27,14 











10 





20 







60 



30 



140 



150 



7,26 



34,99 



27,39 



























200 



6,96 



35,03 



27,46 











10 





10 











10 



Table 13. Organisms per l in August 15th — 16th 1912. 





S. Ex 



tra II 





S 



Skag. 







S 



Skag. 



5 



S. 



Skag. 6 



S. 



Skag 



8 



S. Skng. 9 



-fl 



O, 



cd 



Q 



01 



a 

 a 



5 



m 



"3 



a 



c 

 < 



c n 



01 jj 



C — 



eS cS 



bo*? 



t* o 



O" 



CO 

 43 



C 



3 



m 



3 



a 



c 



< 



01 



a .2 



2 c 

 fl — 



c3 « 

 M« 

 t* O 



0~ 



CO 

 43 



C 



CÖ 



s 



te 



"3 



a 



'c 



< 



s s 



to fl 



'§ ■a 



ej " 



o- 



(O 

 43 



C 



c3 



s 



ci 

 15 



a 



c 



m 



a b 



.2 

 0~ 



tn 



ca 



s 



co 



"3 



a 



c 



< 



P 2 



2 c 



cö <3 



CO 



43 



c 



e3 

 5 



ro 



"03 



a 



CO 



a 2 



.2 c 



c _ 



CÖ CS 



o- 







3,200 



400 



3,600 



4,530 



4,785 



9,315 



800 



120 



920 



340 



300 



640 



480 



220 



700 



3,300 



1,020 



J.320 



10 



3,050 



405 



3,455 



1,670 



470 



2,140 



500 



160 



660 



i,360 



180 



1,540 



750 



190 



940 



780 



340 



1,120 



20 



2,420 



120 



2,540 



1,290 



50 



1,340 



690 



190 



880 



235 



110 



345 



840 



230 



1,070 



1,210 



20 



1,230 



30 



1,690 



290 



1,980 



740 



70 



810 



640 



150 



790 



3,970 



110 



4,050 



— 



— 



3 



470 



30 



500 



40 



440 



60 



500» 



640 



90 



730 



1,470 



230 



7,700 



4,060 



80 



4..Z40 



3,260 



370 



3.G30 



735 



10 



745 



50 









740 



140 



880 









2,225 



130 



2,355 



665 



120 



785 



70 



20 



90 



60 









1,480 



190 



1,670 









2,230 



90 



2,320 



160 



70 



230 



390 



30 



420 



80 









1,920 



140 



2,060 









1,430 



60 



1,490 



150 



20 



170 



1,040 



140 



1,180 



100 





















775 



40 



815 



80 



50 



130 



560 



40 



600 



150 



























20 



50 



70 



— 



— 



4 



200 



























20 



30 



50 



320 



40 



360 



300 



























30 





30 









1 Mostly Dinophysis acuminata and D. acuta. 



a 38 m. 



3 The samplc was Iost. 



4 The sample was too sandy to be completely examined. 



