573
expenditures associated with the change in recreational catch from the Atlantis model
(NOAA-NMFS 2011–2016).The MRIP data were also used to estimate the allocation
of total recreational fishing expenditures to each of the Gulf of Mexico states for the
period 2011–2016, as displayed in Table 33.2. Total fishing expenditures were allocated to trip expenditure categories (auto fuel, charter fees, boat rentals, etc.) using
breakdowns specific to each Gulf state from Lovell et al. (2013). Purchases of durable
goods by recreational fishermen were not considered in this analysis.
33.5 Economic Impact Methodology
The total economic impacts of the change in value of landed commercial catch and
decreased recreational fishing expenditures due to the Deepwater Horizon oil spill
were estimated using regional economic models constructed with the IMPLAN©
software and associated 2013 state and county datasets (IMPLAN 2017). Inputoutput analysis is a standard technique for estimating the broad economic impacts
resulting from changes in specific economic activities within a regional economy
(Miller and Blair 2009), and IMPLAN© is an input-output/social accounting matrix
modeling system that is widely used in both academic and private industry research.
These models account for the transactions between industries, governments,
employees, and households and provide detailed estimates of impacts on the
Table 33.1 (continued)
Species group
number
Species group
name
Atlantis model
NMFS-FUS statistics
Average value,
2009–2016
($/metric ton)
19
Groupers and
sea bass
Gag grouper
Groupers
$6,518
Red grouper
Sea bass, black
Scamp
Deep Serranidae Other marine finfishes
(portion of)
Shallow
Serranidae
20
Drums
Black drum
Croaker, Atlantic
$2,140
Red drum
Spot
Sciaenidae
Other marine finfishes
(portion of)
21
Sea trout
Sea trout
Sea trout, gray
$3,840
Sea trout, sand
Sea trout, spotted
22
Other
White marlin
N/A
$4,060
a
Blue Marlin
Other Billfish
Snook
a
No comparable species found in NMFS-FUS, average for all other species groups used
33 Effects of the Deepwater Horizon Oil Spill on Human Communities: Catch…
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