Item Identification

Title: BRUVS Field Desc

Entity Information

Entity Type: Data View
Description:

BRUVS observation data

Data Attributes

Attribute Summary

Rubric Score Primary Key? Name Type Description
100
Region TEXT Pacific Islands Region where BRUVS surveys occurred. E.g. Main Hawaiian Islands = MHI, Northwestern Hawaiian Islands = NWHI.
100
Island TEXT Island or location within REGION where survey occurred
100
Method TEXT Default is "Baited"
100
Site TEXT BRUV deployment site, . Three-letter codes indicate ISLAND code (e.g. Oahu = OAH, Maui = MAI, French Frigate Shoals = FFS). Where deployments exceed 30-m depths, an additional "M" is added to the site label (e.g. OAHM, for an Oahu deployment exceeding 30-m depths).
100
Frame TEXT Video frame number where the MaxN estimate for any particular SPECIES was collected
100
Time_min TEXT Time (in minutes since the cameras were activated) where the MaxN estimate for any particular SPECIES was collected
100
Period TEXT Sampling duration of BRUVS (default is 0-60 minutes). Sampling period begins immediately upon BRUVS touchdown on the benthos (Time on Seabed). If TIME_MIN exceeds 60 min, PERIOD is NULL.
100
Period_time_min TEXT Time (in minutes since Time on Seabed) where the MaxN estimate for any particular SPECIES was collected. If TIME_MIN exceeds 60 min, PERIOD_TIME_MIN is NULL.
100
OpCode TEXT Concatenated descriptive code for each BRUV deployment, combining site, type of sampling (default is baited, B), number of deployments (default is 1), and duration (default period of 60 minutes). E.g. OAH602_B_1_60.
100
Tape_Reader TEXT Name or initials of video analyst
100
Depth NUMERIC Depth as recorded by BRUVS in meters
100
Depth_Type TEXT Indicates whether BRUVS surveys occurred in SPC depths (0-30 m) or mesophotic depths (>30 m)
100
Depth_Strata TEXT Indicates further stratification of sampling strata (SPC = 0-30 m; Upper mesophotic = 30-53 m; Lower mesophotic = 53-100 m)
100
Comment TEXT General comments regarding each individual deployment. TOFA = measurement was taken at the time of first arrival.
100
HabitatType TEXT Benthic habitats as described in Ayotte P., McCoy K., Heenan A., Williams I. & Zamzow J. (2015). Coral Reef Ecosystem Program Standard Operating Procedures: Data Collection for Rapid Ecological Assessment Fish Surveys. Pacific Islands Fisheries Science Center Administrative Report H-15-07, 33p. (e.g., aggregate reef, pavement, sand flat, spur & groove)
100
Substrate TEXT Benthic habitats from HABITATTYPE classified as either predominantly hard or predominantly soft (unconsolidated sediment) bottom.
100
Complexity TEXT Habitat complexity, ranked on a six point scale from low to very high (L=low; ML=medium low; M=medium; MH= medium high; H=high;VH=very high)
100
Complexity_No NUMERIC Habitat COMPLEXITY, converted from a text descriptor to numeric value from 1-6 (e.g. low complexity habitat = 1)
100
HardCoral NUMERIC Hard (scleractinian) coral cover (%)
100
SoftCoral NUMERIC Soft coral cover (%)
100
Macroalgae NUMERIC Macroalgae cover (%)
100
Turf NUMERIC Turf algae cover (%)
100
Sand NUMERIC Sand or unconsolidated cover (%)
100
CCA NUMERIC Crustose coralline algae cover (%)
100
Family TEXT Fish ID at family taxonomic level
100
Genus TEXT Fish ID at genus taxonomic level
100
Species TEXT Fish ID at species taxonomic level
100
Code TEXT Four letter code combining fish genus/species
100
Consumer_Group TEXT RELATIVE ABUNDANCE DATA: Identification of fish belonging to 1 of 4 consumer groups: Primary, Secondary, Planktivore, Piscivore
100
Trophic TEXT RELATIVE ABUNDANCE DATA: Consumer groups, subdivided into one of nine possible trophic groups
100
Endemic TEXT RELATIVE ABUNDANCE DATA: Specific to the Hawaiian Archipelago. Identifies whether a fish recorded by BRUVS is a Hawaiian endemic.
100
MaxN NUMERIC RELATIVE ABUNDANCE DATA: To avoid repeat counts of individual fish continuously re-entering a BRUVS field of view, the maximum number of individuals of the same species appearing at the same time (MaxN) is used as the relative abundance measure.
100
Has_Fed TEXT RELATIVE ABUNDANCE DATA: Identifies whether a species recorded by BRUVS has actively fed on the bait
100
Number NUMERIC LENGTHS: Default/only measurement is 1 (for single length measurement)
100
Stage TEXT LENGTHS: Life cycle stage (AD = Adult; J = juvenile)
100
Activity TEXT LENGTHS: Behavioral activity in the vicinity of BRUVS. Passing = transiting past the BRUVS bait bag. Attracted: approaching BRUVS bait bag, but not directly feeding. Feeding: directly feeding on bait in the bag, or consuming on particulates from the bait plume (emanating directly from the bait bag).
100
Length_mm NUMERIC LENGTHS: Fork length of targeted fish for measurement in mm.
100
Length_bin TEXT LENGTHS: Length category in 50-mm bins: <250, 250-300, 300-350, 350-400, etc. Fish less than 250 mm are binned into one category, and fish greater than 2000 m are binned into one category.

Attribute Details

Region

CC ID: 697729
Seq. Order: 1
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Pacific Islands Region where BRUVS surveys occurred. E.g. Main Hawaiian Islands = MHI, Northwestern Hawaiian Islands = NWHI.

Island

CC ID: 697912
Seq. Order: 2
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Island or location within REGION where survey occurred

Method

CC ID: 697730
Seq. Order: 3
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Default is "Baited"

Site

CC ID: 697731
Seq. Order: 4
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

BRUV deployment site, . Three-letter codes indicate ISLAND code (e.g. Oahu = OAH, Maui = MAI, French Frigate Shoals = FFS). Where deployments exceed 30-m depths, an additional "M" is added to the site label (e.g. OAHM, for an Oahu deployment exceeding 30-m depths).

Frame

CC ID: 697732
Seq. Order: 5
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Video frame number where the MaxN estimate for any particular SPECIES was collected

Time_min

CC ID: 702553
Seq. Order: 6
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Time (in minutes since the cameras were activated) where the MaxN estimate for any particular SPECIES was collected

Period

CC ID: 697734
Seq. Order: 7
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Sampling duration of BRUVS (default is 0-60 minutes). Sampling period begins immediately upon BRUVS touchdown on the benthos (Time on Seabed). If TIME_MIN exceeds 60 min, PERIOD is NULL.

Period_time_min

CC ID: 702555
Seq. Order: 8
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Time (in minutes since Time on Seabed) where the MaxN estimate for any particular SPECIES was collected. If TIME_MIN exceeds 60 min, PERIOD_TIME_MIN is NULL.

OpCode

CC ID: 697736
Seq. Order: 9
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Concatenated descriptive code for each BRUV deployment, combining site, type of sampling (default is baited, B), number of deployments (default is 1), and duration (default period of 60 minutes). E.g. OAH602_B_1_60.

Tape_Reader

CC ID: 702557
Seq. Order: 10
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Name or initials of video analyst

Depth

CC ID: 697738
Seq. Order: 11
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Depth as recorded by BRUVS in meters

Depth_Type

CC ID: 702559
Seq. Order: 12
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Indicates whether BRUVS surveys occurred in SPC depths (0-30 m) or mesophotic depths (>30 m)

Depth_Strata

CC ID: 702560
Seq. Order: 13
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Indicates further stratification of sampling strata (SPC = 0-30 m; Upper mesophotic = 30-53 m; Lower mesophotic = 53-100 m)

Comment

CC ID: 697741
Seq. Order: 14
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

General comments regarding each individual deployment. TOFA = measurement was taken at the time of first arrival.

HabitatType

CC ID: 697742
Seq. Order: 15
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Benthic habitats as described in Ayotte P., McCoy K., Heenan A., Williams I. & Zamzow J. (2015). Coral Reef Ecosystem Program Standard Operating Procedures: Data Collection for Rapid Ecological Assessment Fish Surveys. Pacific Islands Fisheries Science Center Administrative Report H-15-07, 33p. (e.g., aggregate reef, pavement, sand flat, spur & groove)

Substrate

CC ID: 702563
Seq. Order: 16
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Benthic habitats from HABITATTYPE classified as either predominantly hard or predominantly soft (unconsolidated sediment) bottom.

Complexity

CC ID: 702564
Seq. Order: 17
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Habitat complexity, ranked on a six point scale from low to very high (L=low; ML=medium low; M=medium; MH= medium high; H=high;VH=very high)

Complexity_No

CC ID: 702565
Seq. Order: 18
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Habitat COMPLEXITY, converted from a text descriptor to numeric value from 1-6 (e.g. low complexity habitat = 1)

HardCoral

CC ID: 702566
Seq. Order: 19
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Hard (scleractinian) coral cover (%)

SoftCoral

CC ID: 702567
Seq. Order: 20
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Soft coral cover (%)

Macroalgae

CC ID: 702568
Seq. Order: 21
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Macroalgae cover (%)

Turf

CC ID: 702569
Seq. Order: 22
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Turf algae cover (%)

Sand

CC ID: 702570
Seq. Order: 23
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Sand or unconsolidated cover (%)

CCA

CC ID: 702571
Seq. Order: 24
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

Crustose coralline algae cover (%)

Family

CC ID: 697871
Seq. Order: 25
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Fish ID at family taxonomic level

Genus

CC ID: 697872
Seq. Order: 26
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Fish ID at genus taxonomic level

Species

CC ID: 697873
Seq. Order: 27
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Fish ID at species taxonomic level

Code

CC ID: 697874
Seq. Order: 28
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

Four letter code combining fish genus/species

Consumer_Group

CC ID: 702576
Seq. Order: 29
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

RELATIVE ABUNDANCE DATA:

Identification of fish belonging to 1 of 4 consumer groups: Primary, Secondary, Planktivore, Piscivore

Trophic

CC ID: 697876
Seq. Order: 30
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

RELATIVE ABUNDANCE DATA:

Consumer groups, subdivided into one of nine possible trophic groups

Endemic

CC ID: 702578
Seq. Order: 31
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

RELATIVE ABUNDANCE DATA:

Specific to the Hawaiian Archipelago. Identifies whether a fish recorded by BRUVS is a Hawaiian endemic.

MaxN

CC ID: 697878
Seq. Order: 32
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

RELATIVE ABUNDANCE DATA:

To avoid repeat counts of individual fish continuously re-entering a BRUVS field of view, the maximum number of individuals of the same species appearing at the same time (MaxN) is used as the relative abundance measure.

Has_Fed

CC ID: 702580
Seq. Order: 33
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

RELATIVE ABUNDANCE DATA:

Identifies whether a species recorded by BRUVS has actively fed on the bait

Number

CC ID: 868305
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

LENGTHS:

Default/only measurement is 1 (for single length measurement)

Stage

CC ID: 868306
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

LENGTHS:

Life cycle stage (AD = Adult; J = juvenile)

Activity

CC ID: 868307
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

LENGTHS:

Behavioral activity in the vicinity of BRUVS. Passing = transiting past the BRUVS bait bag. Attracted: approaching BRUVS bait bag, but not directly feeding. Feeding: directly feeding on bait in the bag, or consuming on particulates from the bait plume (emanating directly from the bait bag).

Length_mm

CC ID: 868308
Data Storage Type: NUMERIC
Required: No
Primary Key: No
Status: Active
Description:

LENGTHS:

Fork length of targeted fish for measurement in mm.

Length_bin

CC ID: 868309
Data Storage Type: TEXT
Required: No
Primary Key: No
Status: Active
Description:

LENGTHS:

Length category in 50-mm bins: <250, 250-300, 300-350, 350-400, etc. Fish less than 250 mm are binned into one category, and fish greater than 2000 m are binned into one category.

Catalog Details

Catalog Item ID: 50417
Metadata Record Created By: Annette M DesRochers
Metadata Record Created: 2017-11-28 18:50+0000
Metadata Record Last Modified By: Annette M DesRochers
Metadata Record Last Modified: 2019-08-14 19:00+0000
Metadata Record Published: 2017-12-18
Owner Org: PIFSC
Metadata Publication Status: Published Externally
Do Not Publish?: N
Metadata Next Review Date: 2018-12-19