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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 
Summary
Item Identification
Entity Info
Data Attributes
Catalog Details

Summary

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.

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

Entity Information

Entity Type
Spreadsheet

Data Attribute / Type Description
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
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.).
1: Seabirds
NUMBER 		The biomass of simulation runs for seabirds measured in tons/square kilometer
2: Tiger Sharks
NUMBER 		The biomass of simulation runs for tiger sharks measured in tons/square kilometer.
3: Monk Seals
NUMBER 		The biomass of simulation runs for monk seals measured in tons/square kilometer.
4: Reef Sharks
NUMBER 		The biomass of simulation runs for reef sharks measured in tons/square kilometer.
5: Bank Sharks
NUMBER 		The biomass of simulation runs for bank sharks measured in tons/square kilometer.
6: Reef Jacks
NUMBER 		The biomass of simulation runs for reef jacks measured in tons/square kilometer.
7: Bank Jacks
NUMBER 		The biomass of simulation runs for bank jacks measured in tons/square kilometer.
8: Turtles
NUMBER 		The biomass of simulation runs for turtles measured in tons/square kilometer.
9: Benthic Bottomfish
NUMBER 		The biomass of simulation runs for benthic bottomfish measured in tons/square kilometer.
10: Demersal Bottomfish
NUMBER 		The biomass of simulation runs for demersal bottomfish measured in tons/square kilometer.
11: Small Pelagics
NUMBER 		The biomass of simulation runs for small pelagics measured in tons/square kilometer.
12: RF Pisc
NUMBER 		The biomass of simulation runs for reef fish piscivores measured in tons/square kilometer.
13: RF Plank
NUMBER 		The biomass of simulation runs for reef fish planktivores measured in tons/square kilometer.
14: RF Herbiv
NUMBER 		The biomass of simulation runs for reef fish herbivores measured in tons/square kilometer.
15: RF BC
NUMBER 		The biomass of simulation runs for reef fish benthic carnivores measured in tons/square kilometer.
16: BankPisc
NUMBER 		The biomass of simulation runs for bank piscivores measured in tons/square kilometer.
17: Bank Plank
NUMBER 		The biomass of simulation runs for bank planktivores measured in tons/square kilometer.
18: Bank Herb
NUMBER 		The biomass of simulation runs for bank herbivores measured in tons/square kilometer.
19: Bank BC
NUMBER 		The biomass of simulation runs for bank benthic carnivores measured in tons/square kilometer.
20: Meso Pisc
NUMBER 		The biomass of simulation runs for mesophotic piscivores measured in tons/square kilometer.
21: Meso Plank
NUMBER 		The biomass of simulation runs for mesophotic planktivores measured in tons/square kilometer.
22: Meso BC
NUMBER 		The biomass of the simulation runs for mesophotic benthic carnivores measured in tons/square kilometer.
23: Meso forage fish
NUMBER 		The biomass of simulation runs for mesophotic forage fish measured in tons/square kilometer.
24: Sub Pisc
NUMBER 		The biomass of simulation runs for subphotic piscivores measured in tons/square kilometer.
25: Sub BC
NUMBER 		The biomass of simulation runs for subphotic benthic carnivores measured in tons/square kilometer.
26: Sub Plank
NUMBER 		The biomass of simulation runs for subphotic planktivores measured in tons/square kilometer.
27: Macro Heterotrophs
NUMBER 		The biomass of simulation runs for large heterotrophic invertebrates measured in tons/square kilometer.
28: Cephalopods
NUMBER 		The biomass of simulation runs for cephalopods measured in tons/square kilometer.
29: Heterotrophic Benthos
NUMBER 		The biomass of simulation runs for heterotrophic benthos measured in tons/square kilometer.
30: Zooplankton
NUMBER 		The biomass of simulation runs for zooplankton measured in tons/square kilometer.
31: Phytoplankton
NUMBER 		The biomass of simulation runs for phytoplankton measured in tons/square kilometer.
32: Benthic Algae
NUMBER 		The biomass of simulation runs for benthic algae measured in tons/square kilometer.
33: Detritus
NUMBER 		The biomass of simulation runs for detritus measured in tons/square kilometer.

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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

Rubric Score Primary Key? 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