Effects of three commercial harvesting Effects of three commercial harvesting methods on mussel beds effectsofthreeco00spar Year: 1983 30 SAMPLING OR HARVEST EFFICIENCY = TARGET MUSSELS TAKEN X 100 TARGET MUSSELS AVAILABLE CO _J UJ CO CO UJ to 100 1 Assumed sampling efficiency of a gQ -J research diver— 60- ^0- 20- 0 100 o CD Ai CO CD CO ct: CO LU > 100 80 60 ^0 20-] * Commercial Diver does not use this target criterion CJ > LjJ CD CD (=3 CD CD h- CO o Ai CO Qi t\ Ai Od 1001 80 60 ^0 20

---

Size: 1288px × 1553px
Photo credit: © Bookworm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage