Bioeconomic
equilibrium, 9–12, 16, 20, 24, 30, 33, 35, 39, 41, 43–45, 59–60, 78, 81
models (see Models)
Biomass
age-specific, 23
at bioeconomic equilibrium, 8–9, 30, 35
dynamic, 8, 14, 16, 24–25, 29, 34–38, 41–43, 49–50
equilibrium, 8–9
local, per fishing ground, 73–77
maximum, 44, 75–76
optimum, 30
threshold, 9
virgin, 7, 30
Bioregunomic equilibrium, 84
Bootstrap, 19–21, 89–90
Catch
catch-effort equation, 8
composition, 4, 52–54, 63–64
dynamics, 5–6, 29, 41–42
incidental, 3, 39, 52, 73, 75
per unit of effort (see CPUE)
probability of, 77
rate, 4, 7, 70, 73
regulation, 64–65
Catchability
coefficient, 8, 13, 15, 39, 52–53, 73
per unit area, 77
Competition
coefficient, 44
competitive coexistence, 3, 39
competitive exclusion, 39
competitive release, 3
concept, 3, 39
interspecific, 41–42, 44
intraspecific, 32
Costs
average, 11, 13, 18, 72, 84
capital, 31
contractual, 5
depreciation, 73
enforcement, 5, 63, 65
exclusion, 4
external, 2
fixed, 9, 52, 54, 65, 73, 84
harvesting, 2, 4–5, 31, 59
information, 5, 65, 72, 84
marginal, 2, 11, 13, 37, 84
non-monetary, 70–72
operative, 31, 35, 38
opportunity, 9, 31, 52, 54, 73, 79
total, 8, 23, 29, 52, 61, 65, 73, 81
transaction, 5
transfer, 70–72
unitary, 9, 12, 15, 18, 20–21, 24, 34, 37, 39, 44, 54, 57
variable, 9, 52, 54, 65, 71–72, 84
CPUE
definition, concept, 13, 69, 83
maximum, 76
per fishing ground, 69–71, 74–77
per fleet type, 74
Decision
Bayes criterion, 86–88
criteria, 65–68
making, 2, 5, 22, 70
Maximax criterion, 85–86
Maximin criterion, 85–86
Minimax criterion, 85–86
theory, 21, 82, 85–88
Delay
constant, 55
distributed model, 14, 51–52, 55, 74, 78–79
function, 14, 74, 76
intermediate rates of, 14, 51, 75
order, 14, 51, 74
process, 14, 51, 75
Density
patches, 76, 78
probability (function), 14, 21, 51, 73–75, 79, 83, 89
Discount rate, 28–31
Distance
friction of, 70–73
from patch center, 76
from port, 70–73, 75, 79
Dynamic pool
assumption, 22, 50, 69–70
model, 50–53, 56–58
parameters, 56
Externalities, 2–4
Fishing
allocation rights (see Property rights)
area, site, zone, ground, 2–4, 13, 52–57, 59–60, 63–64, 69–81
fleets (see Fleet)
gears, 2–4, 13, 25, 31, 52–54, 64–65, 72–73, 77, 82, 84
intensity (see Fishing intensity)
mortality (see Mortality)
power, 1, 13, 32, 34–36, 59, 64–65, 82
Fishing effort
allocation, 2–3, 69–70, 75, 78–81
at bioeconomic equilibrium, 10–11, 41
at maximum economic yield, 10–11, 19–20, 41
at maximum sustainable yield, 10–11, 20
average value, 12
catch-effort equations, 8–9, 13
dynamics, 14–16, 34–36, 47, 51, 56–58, 69, 78–79, 84
heterogeneous, 32, 69
information, 53
marginal value, 12, 37
optimal, 30, 84
per fishing ground, 71–72, 77–78
per fleet type, 38–40, 50, 54, 56
regulation (see Management)
unitary cost (see Costs)
variable costs (see Costs)
Fishing intensity
allocation criteria, 70–73
definition, 71
random search, 70
SAE (parameter), 71–73, 78
spatial allocation, 64, 69–72, 75, 78–79, 85
Fleet
artisanal, 3, 32, 34–36, 38–39, 56, 70
dynamics, 7, 14–15, 24, 44, 51–52, 56–58, 74–75, 78–79
industrial (mechanized), 3, 32, 34–36, 38–39, 56, 70
Geographic
bioeconomic model, 75–79
coordinates, 76
Grand Utility Frontier, 61
Growth
Bertalanffy von, 23, 39, 51, 53, 57, 77
intrinsic rate, 7, 9, 15, 34, 43, 74
logistic model, 43
Habitat, 4
Income
distribution, 26–27, 54, 57, 60
flow, 26–28
Interdependency
ecological, 3, 13, 32, 40–42, 47–48, 60, 68, 83
technological, 13, 32–38, 47, 60, 68, 70
technoecological, 42–44, 66
Jackknife, 89
Management
adaptive, 46
and effort regulation, 59–60, 64–65
community-based, 4, 63
definition, 1
decisions, 2, 82, 85–90
experimental, 44–46
goals, 66–67, 84–85, 90
intertemporal, 29–31
multispecific, 32, 44–46
of total catch, 64–65
of catch composition, 64
parameters, 19–21, 88–90
plan, 5–6, 47–48
precautionary, 18, 20–21, 26, 82, 85, 90
State intervention criteria, 59–62
strategies, tools, 1, 4–6, 21, 25, 29–30, 37, 47–48, 50, 56, 60–68, 70, 79–80, 82, 84–88
subsystem, 50
with multiple criteria, 48, 56, 65–68
Maximum biological production (MBP), 16, 19–21
Maximum economic yield (MEY), 10–15, 18–21, 25, 29–30, 33–34, 85
Maximum sustainable yield (MSY), 4, 8–11, 16, 19–21, 25, 29, 85, 88, 90
Model
age-structured, 22–25, 50–53
ALLOC, 70–75
CHART, 75–79
competition, 41–43
computer, 43, 47, 54–55
distributed-delay, 14, 51, 74
dynamic bioeconomic, 6, 15–16, 25, 29–31, 34–44, 50, 56–58, 70–79, 81
geographic (see CHART)
logistic, 7–8
mathematical, 6, 47, 50–53, 67, 82
of ecological interdependencies, 40–42
of technological interdependencies, 32–40
of technological interdependencies, 42–44
optimization with multiple criteria, 65–68
predator-prey, 42–44
sensitivity, 20, 47, 55
Smith, 14, 51–52, 78
spatial bioeconomic, 69–70, 75
stability, 47, 55
static bioeconomic (Gordon-Schaefer), 6–13, 23
stochastic, 69, 73, 79
structure, 83, 86–87
subsystems, 6, 47–50
surplus production, 7–8, 30, 88
uncertainty, 20–22, 83, 86, 88
validation, 47, 55–56, 83
yield-mortality, 16–22, 90
Mortality
age-specific, 22–23, 77
fishing, 13, 19, 21, 23, 49, 77, 85, 90
natural, 17, 19, 49, 55, 77–79, 85, 90
rate, 22–23, 49
total, 16–21, 90
Non contributing users, 4–5
Open access, 2–5, 8–9, 11, 24–26, 39–41, 57, 59–60, 63, 78, 82–84
Optimal resource allocation, 1–2
Overfishing, 3, 5, 8, 32, 38, 82
Pareto
concept, 61
efficiency, safety, 61
improvement, 61
optimality, 60, 66–67
Predation, 3, 32, 40, 42–46,
Present value
concept, 28–30
net, 29, 85–87
Price
fishing inputs, 60
incidental species, 37, 39, 41, 50, 52, 54, 73, 75
market, 49, 53–54, 84–85
taker, 29, 75
target species, 9, 12–13, 18, 23, 30, 34, 39, 44, 46, 48–50, 52, 54, 60, 73, 75, 79, 84–85
time(see Discount rate)
unpriced values, 59
Probability
bivariate normal, 76, 78
density function, 14, 21, 51–52, 73–75, 79
distribution, 30, 69, 87
exponentially autocorrelated, 52, 73, 75, 79
gamma, 14, 51, 74–75, 79
mathemtical, 85–88
of capture, 22, 77
of finding the resource, 70–73, 75, 79
Property rights
allocation, 1–2, 5–6, 63–64
common, 2, 63
exclusive, 1, 63–64
non-attenuated, 1
private, 2, 4, 63
state, 2, 63
transferable, 1
Quotas
catch, 4, 49, 63–65, 79
individual transferable, 5, 49, 63–65
Recruitment
by patches, 76
constant, 22
dynamic, 76, 79
function, 50
maximum, 24, 39, 50, 57, 76
overfishing, 3, 38
process, parameters, 8, 13, 22, 30, 38, 48–49, 69, 78–79
seasonal, 22, 56–57, 76
stochastic, 50, 76, 87
stock relationship, 76, 79
Rent
accumulative, 52, 57, 73
economic, 5, 10, 12, 16, 18, 24–25, 33, 36–44, 52, 57, 60, 62, 65–66, 70, 82, 85
marginal, 18
per area, site, fishing zone, 78–80
quasi, 70–73
Revenues,
by fleet, vessel, 37–38, 71–73
marginal, 35, 59
net, 6, 8, 14, 16, 25, 29–30, 33, 38, 44, 49, 70–71, 73, 75, 78–80
total, 23–24, 28, 52, 54, 71, 73
total sustainable, 8, 10–11, 15
Selectivity
fishing gear, 13, 49, 52, 64, 77
parameters, 24, 38
size/age specific, 13, 25, 50, 52, 77
Simulation
experiments, models, runs, 6, 19–20, 24, 34, 44, 47, 55–57, 66, 68, 79
systems approach, 47–50
Social trap, 4
Spatial
allocation (see Fishing effort)
distribution of the stock, 13, 38, 46, 48, 69–70, 72, 74–77, 79–81, 85
dynamics (see fishing effort dynamics)
Species
benthic/sedentary, 3, 63, 69, 81
demersal, 3
dominant, 3, 40–43
incidental, 3, 32, 36, 50, 52, 54, 65, 73–75
keystone, 44–46
pelagic, 60, 69
subordinate, 3, 40–43, 46
target, 3, 14, 18, 32, 36, 38, 45, 50, 52–54, 65, 69–71, 73–75, 79, 84
Uncertainty
definition, concept, 1, 4, 21, 26, 52, 69, 75, 82, 85
estimation, 88–90
sources, 82–85
Validation (see Model)
Yield
average, 10–11
economic (see MEY)
equilibrium, 8–9, 11, 17, 38
marginal, 10–11
mortality models (see Model)
sustainable (see also MSY), 4, 8–9, 29–33
Risk
analysis, 21, 82, 85–87, 90
aversion, 21, 46, 85, 90
definition, 82
factor, 78–79
neutral, 85
prone, 85
levels, 1, 30, 46, 59, 65, 81, 85
Welfare
theory, criteria, 60–62
