Table 6.— The summary sheet for catch statistics data collected during each dealer daylight low tide period sampled. 



CATCH STATISTICS 



bloodworms 



3_ndwoirm9 



Dealer 



L-4 



Day 



Month 



June 



Year 



L976 



1. 

 2. 

 3. 

 4. 



5. 

 6. 

 7. 

 8. 

 9. 

 10. 



11. 



12. 



13. 



14. 

 15. 



16. 



17. 

 18. 

 19. 

 20. 



21. 



22. 

 23. 

 24. 

 25. 



26. 



27. 



28. 



^i. 

 30. 

 31. 

 32. 



Value/worm 



$ 0.055 



Number of diggers sampled _________ 



Accepted catch in numbers from diggers sampled_ 

 Catch in grams from diggers sampled 2721 6.52 



15,532 



lbs. (x. 002205) 



60.01 



(numbers from diggers sampled (3) x mean wt./worm) 



Number of worms taken in DMR samples 



Number of mature males in DMR samples 



450 



Number of mature females in DMR samples 



Number of digger tides dug from diggers sampled_ 

 Number of digger hours dug from diggers sampled_ 

 Mean length of worms in DMR samples _____ 



63.42 



16.77 



(from unbiased estimates of weighted means) 

 Mean weight of worms in DMR samples 



1.75 



(from unbiased estimates of weighted means) 

 Catch in numbers/digger tide dug 



862.89 



(catch in numbers from diggers sampled (3) 

 (number of digger tides dug (8) 

 Catch in grams/digger tide dug 



1512.03 



(catch in gms. from diggers sampled (4) 

 (number of digger tides dug) (8) 

 Catch in lbs. /digger tide dug 



3.33 



(convert grams (13) to lbs. by multi. gms. x .002205) 

 Catch in numbers/digger hour dug 



244.91 



(catch in numbers from diggers sampled (3) 

 (number of digger hours dug from diggers sampled (9) 

 Catch in grams/digger hour dug ^^^ 



429.15 



(catch in grams from diggers sampled (4) 

 (number of digger hours dug (9) 

 Catch in lbs. /digger hour dug 



.95 



(convert grams (16) to lbs. by multi. gms. x .002205) 

 Value/digger tide dug 



$47.46 



(derive from (12) by multi. numbers x value/worm) 

 Value/digger hour dug 



$13.47 



(derive from (15) by multi. numbers x value/worm) 

 Value/gram 



$0.03139 



(catch in numbers from diggers sampled (3) 

 (catch in grams from diggers sampled (4) 

 Value/lb. 



x value/worm) 



$14.24 



(convert value/gin. to value/lb. by multi. (20) x 453.59) 



Total number of diggers that du g 37 men 36 women_ 



Total number of digger tides dug for all diggers 



37 



Total accepted catch in numbers for all diggers entering cellar 

 Total estimated number of digger hours dug for all of accepted catc h 130.36 

 (estimate by interpolatation using (9) 



26,107 (+ others) 



(2) 



x) 

 (22) 



Total catch in grams 



(total accepted catch in numbers (24) x mean weight (11) 



Total catch in lbs. 



(total catch in grams (26) x .002205) 



Total value of catch 



45749.91 (+ others) 



100.88 (+ others) 



$1435.89 (+ others) 



(total accepted catch in numbers (24) x value/worm) 

 Total number of culls in catch for all diggers entering cellar 622 (% of total catch) 2. 33% 



Total number of daylight low tides/month 42 



Low tide magnitude - actual -.27 calculated - ■ 2 



Weather 1 K from E, air temp. 20.1°C, clear and sunny with scattered clouds 



11 



