Dorothy English Mgmt Model pdf
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Transcript of Dorothy English Mgmt Model pdf
![Page 1: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/1.jpg)
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meet Dorothy
![Page 3: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/3.jpg)
meet Dorothy
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(me)
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I live in
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Bergen
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but come from
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Indiana
![Page 9: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/9.jpg)
I like to
![Page 10: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/10.jpg)
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&
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![Page 13: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/13.jpg)
I support
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![Page 15: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/15.jpg)
and I have a blog…
![Page 16: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/16.jpg)
So friends & family can stay updated
www.dorothydankel.blogspot.com
![Page 17: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/17.jpg)
and where interestedpeople cancomment on topics
www.dorothydankel.blogspot.com
![Page 18: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/18.jpg)
I am a biologist…
![Page 19: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/19.jpg)
and a PhDstudent in fisheriesmanagement
![Page 20: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/20.jpg)
I am very interested in the social and economic sides of fisheries
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Dorothy wants to make her science
relavant to those it affects…
![Page 22: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/22.jpg)
we know there are conflicts of interest in marine resource management
![Page 23: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/23.jpg)
I want to explore ways conflicts of objectives in fisheries can be resolved
![Page 24: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/24.jpg)
Utility functions can serve as common language between stakeholders
uti
lity
my fish
uti
lity
my fish
![Page 25: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/25.jpg)
but, stakeholders have differentideas about how fish can be useful!
![Page 26: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/26.jpg)
![Page 27: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/27.jpg)
vs.
![Page 28: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/28.jpg)
![Page 29: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/29.jpg)
therefore, natural conflicts of objectives between stakeholders arise
uti
lity
healthy fishstock
uti
lity
catch
![Page 30: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/30.jpg)
Then Ray Hilborn wrote a paperabout fisheries conflicts…
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Fishing Effort
Benefits(utility)
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
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Fishing Effort
Benefits(utility)
yield
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
here is a typical yield curve with maximum sustainable yield (MSY) at the top
![Page 33: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/33.jpg)
Fishing Effort
Benefits(utility)
yieldprofit
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
the profit curve has a maximum point to the left of MSY due to increasing costs of fishing effort
![Page 34: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/34.jpg)
Fishing Effort
Benefits(utility)
employmentyieldprofit
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
here Hilborn describes employment as linearly increasing with increasing fishing effort
![Page 35: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/35.jpg)
Fishing Effort
Benefits(utility)
employmentyieldprofit
ecosystem preservation
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
but ecosystem protection linearly decreases with increasing fishing effort
![Page 36: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/36.jpg)
Fishing Effort
Benefits(utility)
employmentyieldprofit
ecosystem preservation
zone of traditionalfisheries
management
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
![Page 37: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/37.jpg)
Fishing Effort
Benefits(utility)
employmentyieldprofit
ecosystem preservation
zone of newconsensus
zone of traditionalfisheries
management
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
![Page 38: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/38.jpg)
Fishing Effort
Benefits(utility)
employmentyieldprofit
ecosystem preservation
zone of newconsensus
zone of traditionalfisheries
management
0 population crash
Hilborn (2007) ”Defining success in fisheries and conflicts in objectives”
Marine Policy
![Page 39: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/39.jpg)
zone of traditionalfisheries
management
Fishing Effort
Benefits(utility)
zone of newconsensus
0 population crash
Dorothy asked herself:
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zone of traditionalfisheries
management
Fishing Effort
Benefits(utility)
employmentyield
zone of newconsensus
0 population crash
Can I model this? Does the zone of consensus really exist?
![Page 41: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/41.jpg)
I thought this would make a great summer project…
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and Ulf and Mikko thought so, too!
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and Ulf and Mikko thought so, too!
Let’s bring Dorothy down to IIASA this summer.
Mmmm…Ok.
![Page 44: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/44.jpg)
So Dorothy stayed 90 days and 90 nights at the Schloss in Austria…
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(not exactly this one, but similar…)
![Page 46: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/46.jpg)
and came up with an idea that she wants to share with stakeholders
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+ =Management
model
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A model that quantitively describesRay Hilborn’s discussion on conflictsof interests in fisheries
![Page 49: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/49.jpg)
In order to answer this question:
![Page 50: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/50.jpg)
Can stakeholder conflicts of objectives be reconciled in
marine fisheries management?
![Page 51: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/51.jpg)
Can stakeholder conflicts of objectives be reconciled in
marine fisheries management?
Dorothy J. Dankel1,2
, Ulf Dieckmann1
& Mikko Heino1,2,3
1Evolution & Ecology Program, International Institute of Applied Systems Analysis (IIASA) Laxenburg, Austria
2Pelagic Research Group, Institute of Marine Research (IMR) Bergen, Norway
3Evolutionary Fisheries Ecology Program, University of Bergen, Norway
![Page 52: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/52.jpg)
Utility modelPopulation model
+ =
Management modelSimplified modelling situation: don’t take terminology too seriously
![Page 53: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/53.jpg)
The four utility components:PROFIT
EMPLOYMENTON LAND
EMPLOYMENTAT SEA
YIELD
ECOSYSTEM PRESERVATION(translated to stock level in the model)I show here a ray to illustrate that rays and skates are often caught as bycatch which is detrimental to the ecosystem
![Page 54: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/54.jpg)
The four utility components:PROFIT
EMPLOYMENT
YIELD
STOCK LEVEL
The size of these pictures show how much weight each stakeholder places on the different utility components
![Page 55: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/55.jpg)
What they care about:Modelled stakeholders:
![Page 56: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/56.jpg)
Fishermen ”industrial””artisanal”
Society ”employment-oriented””profit-oriented”
Conservationists
What they care about:Modelled stakeholders:
![Page 57: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/57.jpg)
Let’s go through each of the 5 stakeholders to get to know them and their differences
Remember! The size of the utility component pictures show how much preference each stakeholder places on each utility component
![Page 58: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/58.jpg)
Two types of fishermen: industrial (large fishing vessels) & artisanal (small fishing boats)
![Page 59: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/59.jpg)
What they care about:Stakeholders:
Fishermen
![Page 60: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/60.jpg)
Two types of society: employment-orientedprofit-oriented
![Page 61: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/61.jpg)
Society
What they care about:Stakeholders:
![Page 62: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/62.jpg)
These two types of society may be thought of in a Norwegianperspective as the last two fisheryministers Norway has had: Helga Pedersen (current minister) & Svein Ludvigsen (past minister)
![Page 63: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/63.jpg)
Society
What they care about:Stakeholders:
![Page 64: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/64.jpg)
And finally, conservationists(commonly called eNGOs [environmental non-governmental organizations])
![Page 65: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/65.jpg)
Conservationists
What they care about:Stakeholders:
![Page 66: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/66.jpg)
Each modelled stakeholder has a preference for each of the 4 utilitycomponents
based on stakeholder consultation
![Page 67: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/67.jpg)
Stakeholder preferences
assumptions: stakeholder group consensus
YIELD (tons)
EMPLOYMENT(days-year)
PROFIT (€)
STOCK LEVEL(spawning stock biomass, tons)
FISHERMEN”industrial”
0.2 0 0.8 0
”artisanal” 0.4 0 0.4 0.2
SOCIETY”employment-
oriented”0.3 0.3 0.1 0.3
”profit-oriented” 0.2 0.1 0.7 0
CONSERVATIONISTS 0.1 0.1 0 0.8
uti
lity
component
![Page 68: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/68.jpg)
YIELD (tons)
EMPLOYMENT(days-year)
PROFIT (€)
STOCK LEVEL(spawning stock biomass, tons)
FISHERMEN”industrial”
0.2 0 0.8 0
”artisanal” 0.4 0 0.4 0.2
SOCIETY”employment-
oriented”0.3 0.3 0.1 0.3
”profit-oriented” 0.2 0.1 0.7 0
CONSERVATIONISTS 0.1 0.1 0 0.8
uti
lity
component
Stakeholder preferences
assumptions: stakeholder group consensus
Total weight of all components for each stakeholder = 1.0
![Page 69: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/69.jpg)
Caveat: stated stakeholder preferences do not always
equal revealed stakeholder preferences…
![Page 70: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/70.jpg)
So, back to Dorothy’s research question:
![Page 71: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/71.jpg)
So, back to Dorothy’s research question:
is there a basis for reconciling conflicting objectives?
![Page 72: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/72.jpg)
let’s look at some results
![Page 73: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/73.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
![Page 74: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/74.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
profit
![Page 75: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/75.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
yield
profit
![Page 76: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/76.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
yield
profit
employment based on effort
![Page 77: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/77.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
yield
employment based on effort
profit
employment based on catch
![Page 78: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/78.jpg)
Utility components & their tradeoffswith higher fishing levels
0.0
0.5
1.0
0.0 0.5 1.0Proportion harvested
yield
employment based on effort
profit
stock level
employment based on catch
![Page 79: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/79.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
Stakeholder utilities
![Page 80: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/80.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"industrialfishery"
"artisanal fishery"
Fishermen
Stakeholder utilities
![Page 81: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/81.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
“employment-oriented"
“profit-
oriented”
Stakeholder utilities
Society
![Page 82: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/82.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
Stakeholder utilities
![Page 83: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/83.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
"industrialfishery"
"artisanal fishery"
Stakeholder utilities
“employment-oriented"
“profit-
oriented”
![Page 84: Dorothy English Mgmt Model pdf](https://reader034.fdocuments.in/reader034/viewer/2022052619/555025dab4c9059f318b46b8/html5/thumbnails/84.jpg)
-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
"industrialfishery"
"artisanal fishery"
Stakeholder utilities
“employment-oriented"
“profit-
oriented”
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-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
"industrialfishery"
"artisanal fishery"
Stakeholder utilities
“employment-oriented"
“profit-
oriented”
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-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
"industrialfishery"
"artisanal fishery"
Stakeholder utilities
“employment-oriented"
“profit-
oriented”
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-1.5
-1.0
-0.5
0.0
0.5
1.0
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90
Uti
lity
Proportion harvested
"conservationists"
"industrialfishery"
"artisanal fishery"
Stakeholder utilities
even with weight on employment , the”zone of new consensus” is clear
“employment-oriented"
“profit-
oriented”
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to conclude…
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The ”zone of new consensus” is illustrated in Dorothy’s simplified model even when employment is considered
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So, what’s next?
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What if I tried to model a real stock?
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This is how stakeholder contact can help
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Could this model work in the real world? application to North Sea herring or Western horse mackerel?
Feedback from stakeholders
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could stakeholder groups provide mewith realistic stakeholder preferencesand costs of effort and employment?
Feedback from stakeholders
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I look forward to hearing your feedback
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Thanks for getting to know Dorothy and her project!
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Acknowledgements
3 month stay at the Institute of Applied Systems Analysis (IIASA) during the
Young Scientists Summer Program (YSSP) www.iiasa.ac.at
financed by the Norwegian Research Council
Thank you to the Evolution & Ecology Program & fellow YSSPers for insightful discussions
For more information, please contact Dorothy Dankel [email protected]
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