Hard bottom Hard bottom, grab mostly water with rocks. No Grab pentrated sediment at an unacceptable Heavily Canted No field manual criteria. Large amounts of humping along the midline may Large Humping have caused surface disturbance and washing No during retretrieval. Minor humping is acceptable. Sedimant surface appears washed, sections with Washed holes. Something cause the washing during No retreival. Sample unacceptable. Sediment interface uneven with undulations. A Disturbed Surface mechanical closure problem or a potentially No compromise sample (unacceptable). Chemistry penetration < 5 cm. Unacceptable < 5 cm Penetration but common in sandy habitats. Field manual No prefered penetration depth of 7-10+ cm. Biology penetration depth < 7 cm. Unacceptable <= 7 cm Penetration but common in sandy habitats. Field manual No - biology only prefered penetration depth of 8+ cm. Qther (comment - another reason not listed why grab failed. Yes req.) lu_TrawlFail Trawl Event Comment Definition Failure Reason Required None or No Failure, processed according to None No field manual. Outside Radius Outside Radius Limit, any point along a trawl No track not within 100 m of target coordinate. Outside Target Depth, trawl track depth from Outside Target start to end was not within 10% of the target site No Depth depth. Fouled Net: fishing improperly. Examples include Fouled Net visably fouled, twisted net/doors, bunched Yes (comment req.) doors, or improper spread. Open cod end, crew forgot to tie up the end of Open cod end the net or the knot came loose so animals could No (knot untied) easily escape.
Hard bottom Hard bottom, grab mostly water with rocks. No Heavily Canted Grab pentrated sediment at an unacceptable field manual criteria. No Large Humping Large amounts of humping along the midline may have caused surface disturbance and washing during retretrieval. Minor humping is acceptable. No Washed Sedimant surface appears washed, sections with holes. Something cause the washing during retreival. Sample unacceptable. No Disturbed Surface Sediment interface uneven with undulations. A mechanical closure problem or a potentially compromise sample (unacceptable). No < 5 cm Penetration Chemistry penetration < 5 cm. Unacceptable but common in sandy habitats. Field manual prefered penetration depth of 7-10+ cm. No <= 7 cm Penetration - biology only Biology penetration depth < 7 cm. Unacceptable but common in sandy habitats. Field manual prefered penetration depth of 8+ cm. No Qther (comment req.) - another reason not listed why grab failed. Yes lu_TrawlFail Trawl Event Failure Reason Definition Comment Required None None or No Failure, processed according to field manual. No Outside Radius Outside Radius Limit, any point along a trawl track not within 100 m of target coordinate. No Outside Target Depth Outside Target Depth, trawl track depth from start to end was not within 10% of the target site depth. No Fouled Net (comment req.) Fouled Net: fishing improperly. Examples include visably fouled, twisted net/doors, bunched doors, or improper spread. Yes Open cod end (knot untied) Open cod end, crew forgot to tie up the end of the net or the knot came loose so animals could easily escape. No