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PIFSC Metadata Library > PIFSC Coral Reef Ecosystem Program (CREP) Metad... > Ecosystem Monitoring and Assessment > Ecosystem Modeling > Monk Seal Ecosystem Model Data: A Comparison of... >

Monk Seal Ecosystem Model Output Data for System Understanding

Entity (ENT) | Pacific Islands Fisheries Science Center (PIFSC)
GUID: gov.noaa.nmfs.inport:35883 | Updated: August 9, 2022 | Published / External

Item Identification

Title:	Monk Seal Ecosystem Model Output Data for System Understanding
Status:	Completed
Abstract:	By simulating different perturbations (scenarios) we assessed if the ecosystem was controlled by bottom-up, top-down or 'waist' forces. We ran a "base" model for French Frigate Shoals and Laysan with all vulnerabilities set to 2 (mixed impact) for 40 years and compared the mean of the last 5 years of model outcomes for each of the five scenarios tested.
Purpose:	To assess if the ecosystem was mainly controlled by bottom-up forces we decreased and increased the primary producers with 10%. Model output data are in the following csv files: 0.9xPrimaryProducers.csv - which shows the simulation of a 10% decrease in primary producers; and 1.1xPrimaryProducers.csv - which shows the simulation of a 10% increase in primary producers. To assess if the ecosystem is mostly controlled by top-down forces we decreased the biomass of apex predators (sea birds, sharks, jacks, subphotic piscivores). Model output data are in 30percent_DecreasePredatorBiomass.csv To assess if the ecosystem is mostly controlled by mid-trophic level dynamics, we increased and decreased the prey abundance for monk seals by 30%. Model output data are in the following csv files: 30percent_DecreasePrey-Meso_BC_PK_FF.csv - which shows the simulation of a 30% decrease in the prey species mesophotic benthic carnivores, mesophotic planktivores and forage fish; and 30percent_DecreasePrey-Meso_BC_PK_FF_BB.csv - which shows the simulation of a 30% decrease in the prey species mesophotic benthic carnivores, mesophotic planktivores, forage fish and bottomfish. The last 5 years of the simulation of each of the above mentioned scenarios was compared to a base model where we had no additional forcings: Base.csv

Entity Information

Entity Type:	Spreadsheet
Active Version?:	Yes
Description:	Data used to create the figures in the Weijerman et al 2017 EwE monk seal manuscript: A comparative application of trophic ecosystem models to evaluate drivers of endangered Hawaiian monk seal populations

Data Attributes

Attribute Summary

	Name	Type	Description
100	ISLANDCODE	TEXT	The 3-letter code for the island/atoll in the Northwestern Hawaiian Islands for which the model was run. FFS = French Frigate Shoals LAY = Laysan
100	YEAR_MONTH	NUMBER	Monthly output of last 5 years of 40-year simulation run (year 2044 through 2049), formatted as 4-digit Year + decimal month (3 months = 0.25, 6 months = 0.5, etc.).
100	1: Seabirds	NUMBER	The biomass of simulation runs for seabirds measured in tons/square kilometer
100	2: Tiger Sharks	NUMBER	The biomass of simulation runs for tiger sharks measured in tons/square kilometer.
100	3: Monk Seals	NUMBER	The biomass of simulation runs for monk seals measured in tons/square kilometer.
100	4: Reef Sharks	NUMBER	The biomass of simulation runs for reef sharks measured in tons/square kilometer.
100	5: Bank Sharks	NUMBER	The biomass of simulation runs for bank sharks measured in tons/square kilometer.
100	6: Reef Jacks	NUMBER	The biomass of simulation runs for reef jacks measured in tons/square kilometer.
100	7: Bank Jacks	NUMBER	The biomass of simulation runs for bank jacks measured in tons/square kilometer.
100	8: Turtles	NUMBER	The biomass of simulation runs for turtles measured in tons/square kilometer.
100	9: Benthic Bottomfish	NUMBER	The biomass of simulation runs for benthic bottomfish measured in tons/square kilometer.
100	10: Demersal Bottomfish	NUMBER	The biomass of simulation runs for demersal bottomfish measured in tons/square kilometer.
100	11: Small Pelagics	NUMBER	The biomass of simulation runs for small pelagics measured in tons/square kilometer.
100	12: RF Pisc	NUMBER	The biomass of simulation runs for reef fish piscivores measured in tons/square kilometer.
100	13: RF Plank	NUMBER	The biomass of simulation runs for reef fish planktivores measured in tons/square kilometer.
100	14: RF Herbiv	NUMBER	The biomass of simulation runs for reef fish herbivores measured in tons/square kilometer.
100	15: RF BC	NUMBER	The biomass of simulation runs for reef fish benthic carnivores measured in tons/square kilometer.
100	16: BankPisc	NUMBER	The biomass of simulation runs for bank piscivores measured in tons/square kilometer.
100	17: Bank Plank	NUMBER	The biomass of simulation runs for bank planktivores measured in tons/square kilometer.
100	18: Bank Herb	NUMBER	The biomass of simulation runs for bank herbivores measured in tons/square kilometer.
100	19: Bank BC	NUMBER	The biomass of simulation runs for bank benthic carnivores measured in tons/square kilometer.
100	20: Meso Pisc	NUMBER	The biomass of simulation runs for mesophotic piscivores measured in tons/square kilometer.
100	21: Meso Plank	NUMBER	The biomass of simulation runs for mesophotic planktivores measured in tons/square kilometer.
100	22: Meso BC	NUMBER	The biomass of the simulation runs for mesophotic benthic carnivores measured in tons/square kilometer.
100	23: Meso forage fish	NUMBER	The biomass of simulation runs for mesophotic forage fish measured in tons/square kilometer.
100	24: Sub Pisc	NUMBER	The biomass of simulation runs for subphotic piscivores measured in tons/square kilometer.
100	25: Sub BC	NUMBER	The biomass of simulation runs for subphotic benthic carnivores measured in tons/square kilometer.
100	26: Sub Plank	NUMBER	The biomass of simulation runs for subphotic planktivores measured in tons/square kilometer.
100	27: Macro Heterotrophs	NUMBER	The biomass of simulation runs for large heterotrophic invertebrates measured in tons/square kilometer.
100	28: Cephalopods	NUMBER	The biomass of simulation runs for cephalopods measured in tons/square kilometer.
100	29: Heterotrophic Benthos	NUMBER	The biomass of simulation runs for heterotrophic benthos measured in tons/square kilometer.
100	30: Zooplankton	NUMBER	The biomass of simulation runs for zooplankton measured in tons/square kilometer.
100	31: Phytoplankton	NUMBER	The biomass of simulation runs for phytoplankton measured in tons/square kilometer.
100	32: Benthic Algae	NUMBER	The biomass of simulation runs for benthic algae measured in tons/square kilometer.
100	33: Detritus	NUMBER	The biomass of simulation runs for detritus measured in tons/square kilometer.

Name

Type

Description

100

ISLANDCODE

TEXT

The 3-letter code for the island/atoll in the Northwestern Hawaiian Islands for which the model was run. FFS = French Frigate Shoals LAY = Laysan

100

YEAR_MONTH

NUMBER

Monthly output of last 5 years of 40-year simulation run (year 2044 through 2049), formatted as 4-digit Year + decimal month (3 months = 0.25, 6 months = 0.5, etc.).

100

1: Seabirds

NUMBER

The biomass of simulation runs for seabirds measured in tons/square kilometer

100

2: Tiger Sharks

NUMBER

The biomass of simulation runs for tiger sharks measured in tons/square kilometer.

100

3: Monk Seals

NUMBER

The biomass of simulation runs for monk seals measured in tons/square kilometer.

100

4: Reef Sharks

NUMBER

The biomass of simulation runs for reef sharks measured in tons/square kilometer.

100

5: Bank Sharks

NUMBER

The biomass of simulation runs for bank sharks measured in tons/square kilometer.

100

6: Reef Jacks

NUMBER

The biomass of simulation runs for reef jacks measured in tons/square kilometer.

100

7: Bank Jacks

NUMBER

The biomass of simulation runs for bank jacks measured in tons/square kilometer.

100

8: Turtles

NUMBER

The biomass of simulation runs for turtles measured in tons/square kilometer.

100

9: Benthic Bottomfish

NUMBER

The biomass of simulation runs for benthic bottomfish measured in tons/square kilometer.

100

10: Demersal Bottomfish

NUMBER

The biomass of simulation runs for demersal bottomfish measured in tons/square kilometer.

100

11: Small Pelagics

NUMBER

The biomass of simulation runs for small pelagics measured in tons/square kilometer.

100

12: RF Pisc

NUMBER

The biomass of simulation runs for reef fish piscivores measured in tons/square kilometer.

100

13: RF Plank

NUMBER

The biomass of simulation runs for reef fish planktivores measured in tons/square kilometer.

100

14: RF Herbiv

NUMBER

The biomass of simulation runs for reef fish herbivores measured in tons/square kilometer.

100

15: RF BC

NUMBER

The biomass of simulation runs for reef fish benthic carnivores measured in tons/square kilometer.

100

16: BankPisc

NUMBER

The biomass of simulation runs for bank piscivores measured in tons/square kilometer.

100

17: Bank Plank

NUMBER

The biomass of simulation runs for bank planktivores measured in tons/square kilometer.

100

18: Bank Herb

NUMBER

The biomass of simulation runs for bank herbivores measured in tons/square kilometer.

100

19: Bank BC

NUMBER

The biomass of simulation runs for bank benthic carnivores measured in tons/square kilometer.

100

20: Meso Pisc

NUMBER

The biomass of simulation runs for mesophotic piscivores measured in tons/square kilometer.

100

21: Meso Plank

NUMBER

The biomass of simulation runs for mesophotic planktivores measured in tons/square kilometer.

100

22: Meso BC

NUMBER

The biomass of the simulation runs for mesophotic benthic carnivores measured in tons/square kilometer.

100

23: Meso forage fish

NUMBER

The biomass of simulation runs for mesophotic forage fish measured in tons/square kilometer.

100

24: Sub Pisc

NUMBER

The biomass of simulation runs for subphotic piscivores measured in tons/square kilometer.

100

25: Sub BC

NUMBER

The biomass of simulation runs for subphotic benthic carnivores measured in tons/square kilometer.

100

26: Sub Plank

NUMBER

The biomass of simulation runs for subphotic planktivores measured in tons/square kilometer.

100

27: Macro Heterotrophs

NUMBER

The biomass of simulation runs for large heterotrophic invertebrates measured in tons/square kilometer.

100

28: Cephalopods

NUMBER

The biomass of simulation runs for cephalopods measured in tons/square kilometer.

100

29: Heterotrophic Benthos

NUMBER

The biomass of simulation runs for heterotrophic benthos measured in tons/square kilometer.

100

30: Zooplankton

NUMBER

The biomass of simulation runs for zooplankton measured in tons/square kilometer.

100

31: Phytoplankton

NUMBER

The biomass of simulation runs for phytoplankton measured in tons/square kilometer.

100

32: Benthic Algae

NUMBER

The biomass of simulation runs for benthic algae measured in tons/square kilometer.

100

33: Detritus

NUMBER

The biomass of simulation runs for detritus measured in tons/square kilometer.

Attribute Details

ISLANDCODE

CC ID: 839223

Seq. Order:	1
Data Storage Type:	TEXT
Required:	No
Primary Key:	No
Status:	Active
Description:	The 3-letter code for the island/atoll in the Northwestern Hawaiian Islands for which the model was run. FFS = French Frigate Shoals LAY = Laysan

YEAR_MONTH

CC ID: 362117

Seq. Order:	2
Data Storage Type:	NUMBER
Max Length:	16
Min Length:	4
Required:	No
Primary Key:	No
Status:	Active
Description:	Monthly output of last 5 years of 40-year simulation run (year 2044 through 2049), formatted as 4-digit Year + decimal month (3 months = 0.25, 6 months = 0.5, etc.).
Unit of Measure:	month
Display Example:	2044.25

1: Seabirds

CC ID: 379665

Seq. Order:	2
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for seabirds measured in tons/square kilometer
Unit of Measure:	t/km2

2: Tiger Sharks

CC ID: 379666

Seq. Order:	3
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for tiger sharks measured in tons/square kilometer.
Unit of Measure:	t/km2

3: Monk Seals

CC ID: 379667

Seq. Order:	4
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for monk seals measured in tons/square kilometer.
Unit of Measure:	t/km2

4: Reef Sharks

CC ID: 379668

Seq. Order:	5
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef sharks measured in tons/square kilometer.
Unit of Measure:	t/km2

5: Bank Sharks

CC ID: 379669

Seq. Order:	6
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank sharks measured in tons/square kilometer.
Unit of Measure:	t/km2

6: Reef Jacks

CC ID: 379671

Seq. Order:	7
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef jacks measured in tons/square kilometer.
Unit of Measure:	t/km2

7: Bank Jacks

CC ID: 379672

Seq. Order:	8
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank jacks measured in tons/square kilometer.
Unit of Measure:	t/km2

8: Turtles

CC ID: 379673

Seq. Order:	9
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for turtles measured in tons/square kilometer.
Unit of Measure:	t/km2

9: Benthic Bottomfish

CC ID: 379674

Seq. Order:	10
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for benthic bottomfish measured in tons/square kilometer.
Unit of Measure:	t/km2

10: Demersal Bottomfish

CC ID: 379675

Seq. Order:	11
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for demersal bottomfish measured in tons/square kilometer.
Unit of Measure:	t/km2

11: Small Pelagics

CC ID: 379676

Seq. Order:	12
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for small pelagics measured in tons/square kilometer.
Unit of Measure:	t/km2

12: RF Pisc

CC ID: 379677

Seq. Order:	13
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef fish piscivores measured in tons/square kilometer.
Unit of Measure:	t/km2

13: RF Plank

CC ID: 379678

Seq. Order:	14
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef fish planktivores measured in tons/square kilometer.
Unit of Measure:	t/km2

14: RF Herbiv

CC ID: 379679

Seq. Order:	15
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef fish herbivores measured in tons/square kilometer.
Unit of Measure:	t/km2

15: RF BC

CC ID: 379680

Seq. Order:	16
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for reef fish benthic carnivores measured in tons/square kilometer.
Unit of Measure:	t/km2

16: BankPisc

CC ID: 379681

Seq. Order:	17
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank piscivores measured in tons/square kilometer.
Unit of Measure:	t/km2

17: Bank Plank

CC ID: 379682

Seq. Order:	18
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank planktivores measured in tons/square kilometer.
Unit of Measure:	t/km2

18: Bank Herb

CC ID: 379683

Seq. Order:	19
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank herbivores measured in tons/square kilometer.
Unit of Measure:	t/km2

19: Bank BC

CC ID: 379684

Seq. Order:	20
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for bank benthic carnivores measured in tons/square kilometer.
Unit of Measure:	t/km2

20: Meso Pisc

CC ID: 379685

Seq. Order:	21
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for mesophotic piscivores measured in tons/square kilometer.
Unit of Measure:	t/km2

21: Meso Plank

CC ID: 379686

Seq. Order:	22
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for mesophotic planktivores measured in tons/square kilometer.
Unit of Measure:	t/km2

22: Meso BC

CC ID: 379687

Seq. Order:	23
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of the simulation runs for mesophotic benthic carnivores measured in tons/square kilometer.
Unit of Measure:	t/km2

23: Meso forage fish

CC ID: 379688

Seq. Order:	24
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for mesophotic forage fish measured in tons/square kilometer.
Unit of Measure:	t/km2

24: Sub Pisc

CC ID: 379689

Seq. Order:	25
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for subphotic piscivores measured in tons/square kilometer.
Unit of Measure:	t/km2

25: Sub BC

CC ID: 379690

Seq. Order:	26
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for subphotic benthic carnivores measured in tons/square kilometer.
Unit of Measure:	t/km2

26: Sub Plank

CC ID: 379691

Seq. Order:	27
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for subphotic planktivores measured in tons/square kilometer.
Unit of Measure:	t/km2

27: Macro Heterotrophs

CC ID: 379692

Seq. Order:	28
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for large heterotrophic invertebrates measured in tons/square kilometer.
Unit of Measure:	t/km2

28: Cephalopods

CC ID: 379693

Seq. Order:	29
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for cephalopods measured in tons/square kilometer.
Unit of Measure:	t/km2

29: Heterotrophic Benthos

CC ID: 379694

Seq. Order:	30
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for heterotrophic benthos measured in tons/square kilometer.
Unit of Measure:	t/km2

30: Zooplankton

CC ID: 379695

Seq. Order:	31
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for zooplankton measured in tons/square kilometer.
Unit of Measure:	t/km2

31: Phytoplankton

CC ID: 379696

Seq. Order:	32
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for phytoplankton measured in tons/square kilometer.
Unit of Measure:	t/km2

32: Benthic Algae

CC ID: 379697

Seq. Order:	33
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for benthic algae measured in tons/square kilometer.
Unit of Measure:	t/km2

33: Detritus

CC ID: 379698

Seq. Order:	34
Data Storage Type:	NUMBER
Max Length:	20
Min Length:	9
Required:	No
Primary Key:	No
Status:	Active
Description:	The biomass of simulation runs for detritus measured in tons/square kilometer.
Unit of Measure:	t/km2

Catalog Details

Catalog Item ID:	35883
GUID:	gov.noaa.nmfs.inport:35883
Metadata Record Created By:	Troy T Kanemura
Metadata Record Created:	2016-12-06 17:27+0000
Metadata Record Last Modified By:	SysAdmin InPortAdmin
Metadata Record Last Modified:	2022-08-09 17:11+0000
Metadata Record Published:	2019-05-08
Owner Org:	PIFSC
Metadata Publication Status:	Published Externally
Do Not Publish?:	N
Metadata Last Review Date:	2019-05-08
Metadata Review Frequency:	1 Year
Metadata Next Review Date:	2020-05-08