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From the 1985 Connecticut Study on the Effects of Trawling on Lobster
 
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On the Effects of Tending Fishing Gear

  • "Major damage in the trawl fishery was less than 5% each month except for July and from September through December...Major damage in the pot fishery each month was always less than 5%."

  • "Minor damage in the trawl fishery by month varied from 0 to 14%...Minor damage in the pot fishery was always less than 2%."

  • "With two exceptions (out of 231 lobsters, or 0.6%), delayed mortality occurred only to lobsters with major damage.  Minor damage induced no delayed mortality."

  • "Softshell lobsters in the trawl fishery incurred as much as 70% death and major damage in one trip but all softshell lobsters accounted for less than 3% of all lobsters observed....the observance of soft lobsters was so rare that it rendered the rate of damage insignificant (279 soft lobsters were observed out of over 12,000 - equal to 2.3% of the sampled catches)."

  • "Softshell lobsters in the pot fishery incurred as high as 13% death and major damage in one trip but softshell lobsters accounted for only 2% of all lobsters observed."

  • "Special attention was paid to eggbearing lobsters due to their great importance in reproducing the stock.  In both trawl and pot fisheries, major damage to eggbearing lobsters was less than 4% in any one month.  The average observed throughout the 18-month period was less than 3% in the trawl fishery and less than 1% in the pot fishery.  No dead eggbearing lobsters were observed of the 909 examined from the trawl fishery and 1,926 from the pot fishery."

  • "The delayed mortality to trawl-caught, undamaged lobsters held in seawater is extremely low.  Little mortality (less than 1%) was experienced by undamaged lobsters held in seawater; lobsters with minor damage suffered no mortality."

  • "A high degree of variability in damage is possible between fishermen simply due to the care they take in handling their catch."

  • "Our evaluation suggests that the taking of lobsters by trawl should be restricted only during periods of great vulnerability.  During "intermolt periods" in which the lobster is in hardshell condition and relatively invulnerable to damage, the fishery is not deleterious to the resource to any greater extent than is the pot fishery or other non-fishery uses of the Sound."

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