MMSReefish Study Databases from 1993-1999 field collections (SEC7-95-11 Fish Mortalities From Explosive Removal of Petroleum Platforms)
Impacts of the Explosive Removal of Offshore Oil and Gas Structureson Fish Stocks in the Gulf of MexicoOffshore oil and gas platforms in the Gulf of Mexico (GOM) function as artificial reefs attracting a wide variety of marine life. Explosives are frequently used to remove these structures. These data describe the first comprehensive study to quantitatively assess impacts of the explosive removal of offshore oil and gas structures on fish. Between August 1993 and May 1999 surface and underwater sampling was conducted at nine explosive oil and gas platform removals in the GOM to estimate fish mortality. Water depth ranged from 14-36 m. After explosives were detonated, field personnel operating from inflatable boats used dip nets to collect all dead fish that floated to the surface while divers manually sampled dead fish that sank to the sea floor. The most severely impacted fish species at explosive structure removals in order of abundance were Atlantic spadefish (Chaetodipterus faber), blue runner (Caranx crysos), red snapper (Lutjanus campechanus), and sheepshead (Archosargus probatocephalus). These four species accounted for 86 of estimated mortality. Numbers of all other impacted species were far below those of the top four. Mortality estimates for red snapper were incorporated into stock assessment analyses. The impact of including explosive platform removal data was that abundance estimates were almost indistinguishable from the original assessment. The differences were well within the statistical estimation variances for the original assessment.
Complete Metadata
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| description | Impacts of the Explosive Removal of Offshore Oil and Gas Structureson Fish Stocks in the Gulf of MexicoOffshore oil and gas platforms in the Gulf of Mexico (GOM) function as artificial reefs attracting a wide variety of marine life. Explosives are frequently used to remove these structures. These data describe the first comprehensive study to quantitatively assess impacts of the explosive removal of offshore oil and gas structures on fish. Between August 1993 and May 1999 surface and underwater sampling was conducted at nine explosive oil and gas platform removals in the GOM to estimate fish mortality. Water depth ranged from 14-36 m. After explosives were detonated, field personnel operating from inflatable boats used dip nets to collect all dead fish that floated to the surface while divers manually sampled dead fish that sank to the sea floor. The most severely impacted fish species at explosive structure removals in order of abundance were Atlantic spadefish (Chaetodipterus faber), blue runner (Caranx crysos), red snapper (Lutjanus campechanus), and sheepshead (Archosargus probatocephalus). These four species accounted for 86 of estimated mortality. Numbers of all other impacted species were far below those of the top four. Mortality estimates for red snapper were incorporated into stock assessment analyses. The impact of including explosive platform removal data was that abundance estimates were almost indistinguishable from the original assessment. The differences were well within the statistical estimation variances for the original assessment. |
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| identifier | gov.noaa.nmfs.inport:8927 |
| issued | 1993-01-01T00:00:00.000+00:00 |
| keyword |
[
"DOC/NOAA/NESDIS/NCEI > National Centers for Environmental Information, NESDIS, NOAA, U.S. Department of Commerce",
"DOC/NOAA/NESDIS/NODC > National Oceanographic Data Center, NESDIS, NOAA, U.S. Department of Commerce",
"DOC/NOAA/NMFS/SEFSC > Southeast Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
"EARTH SCIENCE > BIOLOGICAL CLASSIFICATION",
"OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA",
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"TRAPS > TRAPS",
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"156750",
"US DOC; NOAA; NMFS; Southeast Fisheries Science Center; Miami, FL Laboratory",
"BIOLOGICAL DATA",
"DEPTH - OBSERVATION",
"INDIVIDUAL FISH EXAMINATION - LENGTH",
"INDIVIDUAL FISH EXAMINATION - STATE",
"INDIVIDUAL FISH EXAMINATION - WEIGHT",
"LATITUDE",
"LONGITUDE",
"SPECIES IDENTIFICATION",
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"SPECIES IDENTIFICATION - TOTAL WEIGHTT",
"fish examination",
"laboratory analyses",
"manual sample collection",
"survey - biological",
"survey -swimmer/diver",
"US DOC; NOAA; NMFS; Southeast Fisheries Science Center",
"oceanography",
"Gulf Of Mexico",
"GPS",
"Marine Animal Recording Tag",
"compass",
"laboratory analysis",
"scale",
"swimmer/diver",
"trap",
"Petroleum platforms",
"artificial reefs",
"fishdep",
"fishery-dependent",
"marine mammals",
"mortality",
"protected species",
"turtles",
"1993-1999",
"DOC/NOAA/NMFS/SEFSC > Southeast Fisheries Science Center, National Marine Fisheries Service, NOAA, U.S. Department of Commerce",
"MMSReefish Study Databases from 1993-1999 field collections (SEC7-95-11 Fish Mortalities From Explosive Removal of Petroleum Platforms)"
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| landingPage | https://www.fisheries.noaa.gov/inport/item/8927 |
| language |
[]
|
| license | https://creativecommons.org/publicdomain/zero/1.0/ |
| modified | 2016-10-03T00:00:00.000+00:00 |
| publisher |
{
"name": "Southeast Fisheries Science Center",
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"https://www.fisheries.noaa.gov/inportserve/waf/noaa/nmfs/sefsc/dmp/pdf/8927.pdf"
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|
| rights | otherRestrictions, unclassified |
| spatial | -89.62,28.53,-94.7,29.4 |
| temporal | 1993-01-01T00:00:00+00:00/1997-01-01T00:00:00+00:00 |
| title | MMSReefish Study Databases from 1993-1999 field collections (SEC7-95-11 Fish Mortalities From Explosive Removal of Petroleum Platforms) |
