dc.contributor.author |
Rademeyer, Rebecca A
|
|
dc.contributor.author |
Plagányi, Éva E
|
|
dc.contributor.author |
Butterworth, Doug S
|
|
dc.date.accessioned |
2016-03-14T09:47:50Z |
|
dc.date.available |
2016-03-14T09:47:50Z |
|
dc.date.issued |
2005 |
|
dc.identifier.citation |
Rademeyer, R.A, Plaganyi, E.E & Butterworth, D.S. (2005). Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels. |
en_ZA |
dc.identifier.uri |
http://hdl.handle.net/11427/17759
|
|
dc.description.abstract |
This paper reports further investigations of the performance of an illustrative
EMPIRICAL decision rule (OMP) for the hake resource for C3 scenarios only because
these reflect (on average) a current spawning biomass ratio for M. capensis compared to
M. paradoxus of about 2:1, which is considered more plausible than the much higher
corresponding ratios for the C1 and C2 scenarios. Initial annual reductions of 5000,
8000 and 10000 tons are considered for the first two years. After that initial period,
TAC changes are restricted to a maximum of 5%, both up and down. Results for the C6
scenarios (C6 corresponds to C3 in the same way as C4 to C1 – reflecting a greater
proportion of M. capensis in past offshore trawl catches) show a reduction of about
15000t in the annual TAC for similar final depletion statistics (the lower 5%ile being of
primary importance as risk is the concern here) for M. paradoxus. |
en_ZA |
dc.language |
eng |
en_ZA |
dc.subject |
Hake projections |
|
dc.subject |
empirical decision |
|
dc.subject |
C3 Scenarios |
|
dc.subject |
TAC reduction |
|
dc.title |
Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels |
en_ZA |
dc.type |
Working Paper |
en_ZA |
dc.date.updated |
2016-03-14T09:45:41Z |
|
uct.type.publication |
Research |
en_ZA |
uct.type.resource |
Research paper
|
en_ZA |
dc.publisher.institution |
University of Cape Town |
|
dc.publisher.faculty |
Faculty of Science |
en_ZA |
dc.publisher.department |
Marine Resource Assessment and Management Group |
en_ZA |
dc.identifier.apacitation |
Rademeyer, R. A., Plagányi, É. E., & Butterworth, D. S. (2005). <i>Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group. Retrieved from http://hdl.handle.net/11427/17759 |
en_ZA |
dc.identifier.chicagocitation |
Rademeyer, Rebecca A, Éva E Plagányi, and Doug S Butterworth <i>Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels.</i> University of Cape Town ,Faculty of Science ,Marine Resource Assessment and Management Group, 2005. http://hdl.handle.net/11427/17759 |
en_ZA |
dc.identifier.vancouvercitation |
Rademeyer RA, Plagányi ÉE, Butterworth DS. Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels. 2005 [cited yyyy month dd]. Available from: http://hdl.handle.net/11427/17759 |
en_ZA |
dc.identifier.ris |
TY - Working Paper
AU - Rademeyer, Rebecca A
AU - Plagányi, Éva E
AU - Butterworth, Doug S
AB - This paper reports further investigations of the performance of an illustrative
EMPIRICAL decision rule (OMP) for the hake resource for C3 scenarios only because
these reflect (on average) a current spawning biomass ratio for M. capensis compared to
M. paradoxus of about 2:1, which is considered more plausible than the much higher
corresponding ratios for the C1 and C2 scenarios. Initial annual reductions of 5000,
8000 and 10000 tons are considered for the first two years. After that initial period,
TAC changes are restricted to a maximum of 5%, both up and down. Results for the C6
scenarios (C6 corresponds to C3 in the same way as C4 to C1 – reflecting a greater
proportion of M. capensis in past offshore trawl catches) show a reduction of about
15000t in the annual TAC for similar final depletion statistics (the lower 5%ile being of
primary importance as risk is the concern here) for M. paradoxus.
DA - 2005
DB - OpenUCT
DP - University of Cape Town
KW - Hake projections
KW - empirical decision
KW - C3 Scenarios
KW - TAC reduction
LK - https://open.uct.ac.za
PB - University of Cape Town
PY - 2005
T1 - Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels
TI - Results for an illustrative empirical decisison rule for hake projections for C3 scenarios in the context of alternative options for initial TAC reduction levels
UR - http://hdl.handle.net/11427/17759
ER -
|
en_ZA |