Aggregated Habitat Cover Classification Scheme
National Centers for Coastal Ocean Science
Entity
(ENT)
| ID: 41266
| Published / External
Created: 2017-04-06
|
Last Modified: 2022-08-09
Data Set (DS) | ID: 39288
ID: 41266
Entity (ENT)
* Discovery• First Pass
» Metadata Rubric
Item Identification
* » Title | Aggregated Habitat Cover Classification Scheme |
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Short Name | Aggregated Habitat Cover Classification Scheme |
* Status | Completed |
Creation Date | |
Revision Date | |
• Publication Date | |
* » Abstract |
The aggregated habitat cover classification scheme was designed to provide information on substrate (hardbottom or unconsolidated) and habitat cover (coral, Crustose coralline algae, macroalgae/seagrass, or uncolonized) found in the NWHI. | Description Source: NOS - Biogeography Program |
* Purpose | |
Notes |
Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script. |
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• Supplemental Information | |
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Data Attributes
Attribute Summary
Score | Req'd? | PKey? | » Name | Data Storage Type | Description |
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100 | No | No | Northwestern Hawaiian Islands Classification Scheme | VARCHAR | Benthic features were assigned one of thirty habitat types ranging from sand to coral. A complete description of these classification categories can be found in the NWHI_class_scheme.pdf (http://ccma.nos.noaa.gov/ecosystems/coralreef/nwhi/pdf/NWHI_class_scheme.pdf).RESULTS AGGREGATED COVER TYPE:Habitat_name, Numeric_value, Red_color_value, Green_color_value, Blue_color_value RESULTS DETAILED HABITAT TYPE:Habitat_name, Habitat_classification_code | Description Source: NOS - Biogeography Team |
100 | No | No | Hardbottom with >10% live coral, 23, 240, 164, 164 | VARCHAR | Included all classes in the hardbottom substrate category that had more than 10 percent live coral cover. Hardbottom that was not classified with respect to structure (class 2020), but which had live coral, was also included in this category. Bottom habitat consisting of mixtures of live coral, crustose coralline algae and macroalgae also dell into this category as long as there was enough live coral to meet the 10 percent threshold. | Description Source: Aggregated Cover Type |
100 | No | No | Hardbottom with >10% crustose coralline algae,29,255,111,111 | VARCHAR | Included all classes in the hardbottom substrate category that had more than 10 percent live crustose coralline algal cover, but not more than ten percent live coral cover. Bottom habitats with a mixture of crustose coralline algae, live coral (not more than 10 percent) and macroalgae fell in this category if there was enough crustose coralline algae to meet the 10 percent threshold. | Description Source: Aggregated Cover Type |
100 | No | No | Hardbottom (uncolonized),26,150,150,150 | VARCHAR | Included all classes in the hardbottom substrate category that had less than 10 percent live coral cover, crustose coralline algal cover or macroalgal cover. | Description Source: Aggregated Cover Type |
100 | No | No | Hardbottom with >10% macroalgae,22,240,164,164 | VARCHAR | Included all classes in the hardbottom substrate category that had more than 10 percent macroalgae, but not more than 10 percent live coral cover or 10 percent crustose coralline algal cover. Typically these habitats also had a high percentage of turf algal cover. | Description Source: Aggregated Cover Type |
100 | No | No | Hardbottom with indeterminate cover,20,120,120,120 | VARCHAR | Included all classes in the hardbottom substrate category for which a specific bottom cover was not identified. Included were area classified only to the first or second level of the detailed classification scheme. | Description Source: Aggregated Cover Type |
100 | No | No | Unconsolidated with 10% or less macroalgae or seagrass,10,229,207,95 | VARCHAR | Included all classes in the unconsolidated substrate category with not more than 10 percent cover of live submerged vegetation (macroalgae/seagrass). | Description Source: Aggregated Cover Type |
100 | No | No | Unconsolidated with >10% macroalgae or seagrass,220,0,128,64 | VARCHAR | Included all classes in the unconsolidated substrate category with more than 10 percent cover of live submerged vegetation (macroalgae/seagrass). Seagrass was very uncommon in NWHI (only a small area was found at Midway during the field survey) and was not identified on any of the habitat maps. | Description Source: Aggregated Cover Sites |
100 | No | No | Deep water,240,0,70,130 | Unknown | Areas where the bottom cannot be detected (identified) in the imagery. In most cases, this occurs in water more than 30 m deep. | Description Source: NOS - Biogeography Program |
100 | No | No | Land,250,170,115,0 | Unknown | Areas determined to be above the water line in the imagery at the time the imagery was acquired. | Description Source: NOS - Biogeography Program |
100 | No | No | Unclassified (e.g., cloud, cloud shadow, surf),255,70,0,80 | Unknown | Areas where the bottom type is unclassified because of turbidity in the water, surface glint, or other types of interference. This category also includes areas where the seabed cannot be classified due to a lack of supplemental field-based information of for other reasons. | Description Source: NOS - Biogeography Program |
100 | No | No | No Data,4000,0,0,0 | Unknown | Refers to areas within the geographic bounds of the habitat map that lie outside the bounds of the aquired imagery. This is not a habitat category in the classification scheme. | Description Source: NOS - Biogeography Program |
Attribute Details
Attribute Name | Northwestern Hawaiian Islands Classification Scheme |
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Seq. Order | 1 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Benthic features were assigned one of thirty habitat types ranging from sand to coral. A complete description of these classification categories can be found in the NWHI_class_scheme.pdf (http://ccma.nos.noaa.gov/ecosystems/coralreef/nwhi/pdf/NWHI_class_scheme.pdf).RESULTS AGGREGATED COVER TYPE:Habitat_name, Numeric_value, Red_color_value, Green_color_value, Blue_color_value RESULTS DETAILED HABITAT TYPE:Habitat_name, Habitat_classification_code | Description Source: NOS - Biogeography Team |
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Allowed Values | Habitat_name: The name of the benthic habitat identified and depicted. | Habitat_classification_code: A hierarchical, 4-digit code assigned to each habitat type. | Numeric_value: A two- or three-digit numeric value assigned to each habitat type. | Red_color_value: A numeric value ranging from 0-255 assigned to the red channel of the RGB color palette. | Green_color_value: A numeric value ranging from 0-255 assigned to the green channel of the RGB color palette. | Blue_color_value: A numeric value ranging from 0-255 assigned to the blue channel of the RGB color palette | |
Default Value | |
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Derivation | |
Validation Rules |
Attribute Name | Hardbottom with >10% live coral, 23, 240, 164, 164 |
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Seq. Order | 2 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the hardbottom substrate category that had more than 10 percent live coral cover. Hardbottom that was not classified with respect to structure (class 2020), but which had live coral, was also included in this category. Bottom habitat consisting of mixtures of live coral, crustose coralline algae and macroalgae also dell into this category as long as there was enough live coral to meet the 10 percent threshold. | Description Source: Aggregated Cover Type |
General Data Type | |
Unit of Measure | |
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Allowed Values | Hardbottom with live coral (>10% cover)* (2010): Detailed Habitat Type | Linear Reef with live coral (>10% cover)* (2110): Detailed Habitat Type | Aggregated Coral Heads with live coral (>10% cover)* (2210): Detailed Habitat Type | Patch Reef with live coral (>10% cover)* (2410): Detailed Habitat Type | Aggregated Patch Reef with live coral (>10% cover)* (2510): Detailed Habitat Type | Scattered Coral/Rock in sand with live coral (>10% cover)* (2610): Detailed Habitat Type | Pavement with live coral (>10% cover)* (2710): Detailed Habitat Type | Pavement with live coral (>10% cover) and dense (>50% cover) algae* (2712): Detailed Habitat Type | Pavement with sand channels and live coral (>10% cover)* (2810): Detailed Habitat Type | Volcanic Rock with live coral (>10% cover)* (2910): Detailed Habitat Type | |
Default Value | |
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Derivation | |
Validation Rules |
Attribute Name | Hardbottom with >10% crustose coralline algae,29,255,111,111 |
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Seq. Order | 3 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the hardbottom substrate category that had more than 10 percent live crustose coralline algal cover, but not more than ten percent live coral cover. Bottom habitats with a mixture of crustose coralline algae, live coral (not more than 10 percent) and macroalgae fell in this category if there was enough crustose coralline algae to meet the 10 percent threshold. | Description Source: Aggregated Cover Type |
General Data Type | |
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Allowed Values | Hardbottom with crustose coralline algae (>10% cover)* (2030): Detailed Habitat Type | Linear Reef with crustose coralline algae (>10% cover)* (2130): Detailed Habitat Type | Patch Reef with crustose coralline algae (>10% cover)* (2430): Detailed Habitat Type | Pavement with crustose coralline algae (>10% cover)* (2730): Detailed Habitat Type | |
Default Value | |
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Validation Rules |
Attribute Name | Hardbottom (uncolonized),26,150,150,150 |
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Seq. Order | 4 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the hardbottom substrate category that had less than 10 percent live coral cover, crustose coralline algal cover or macroalgal cover. | Description Source: Aggregated Cover Type |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Allowed Values | Hardbottom, uncolonized* (2020): Detailed Habitat Type | Linear Reef, uncolonized* (2120): Detailed Habitat Type | Patch Reef, uncolonized* (2420): Detailed Habitat Type | Pavement, uncolonized* (2720): Detailed Habitat Type | Pavement with sand channels, uncolonized* (2820): Detailed Habitat Type | Volcanic Rock, uncolonized* (2920): Detailed Habitat Type | |
Default Value | |
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Validation Rules |
Attribute Name | Hardbottom with >10% macroalgae,22,240,164,164 |
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Seq. Order | 5 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the hardbottom substrate category that had more than 10 percent macroalgae, but not more than 10 percent live coral cover or 10 percent crustose coralline algal cover. Typically these habitats also had a high percentage of turf algal cover. | Description Source: Aggregated Cover Type |
General Data Type | |
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Allowed Values | Hardbottom with sparse (10-50% cover) algae* (2001): Detailed Habitat Type | Linear Reef, uncolonized with sparse (10-50% cover) algae* (2121): Detailed Habitat Type | Patch Reef, uncolonized with sparse (10-50% cover) algae* (2421): Detailed Habitat Type | Pavement with sparse (10-50% cover) algae* (2701): Detailed Habitat Type | Pavement with dense (>50% cover) algae* (2702): Detailed Habitat Type | Pavement with live coral (>10% cover) and dense (>50% cover) algae* (2712): Detailed Habitat Type | Pavement, uncolonized with dense (>50% cover) algae* (2722): Detailed Habitat Type | |
Default Value | |
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Derivation | |
Validation Rules |
Attribute Name | Hardbottom with indeterminate cover,20,120,120,120 |
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Seq. Order | 6 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the hardbottom substrate category for which a specific bottom cover was not identified. Included were area classified only to the first or second level of the detailed classification scheme. | Description Source: Aggregated Cover Type |
General Data Type | |
Unit of Measure | |
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Allowed Values | Hardbottom* (2000): Detailed Habitat Type | Linear Reef* (2100): Detailed Habitat Type | Spur and Groove* (2300): Detailed Habitat Type | Individual Patch Reef* (2400): Detailed Habitat Type | Aggregated Patch Reef* (2500): Detailed Habitat Type | Pavement* (2700): Detailed Habitat Type | Volcanic Rock* (2900): Detailed Habitat Type | Pavement with Sand Channels* (2800): Detailed Habitat Type | |
Default Value | |
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Derivation | |
Validation Rules |
Attribute Name | Unconsolidated with 10% or less macroalgae or seagrass,10,229,207,95 |
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Seq. Order | 7 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the unconsolidated substrate category with not more than 10 percent cover of live submerged vegetation (macroalgae/seagrass). | Description Source: Aggregated Cover Type |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
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Null Value Meaning | |
Allowed Values | Unconsolidated sediment* (1000): Detailed Habitat Type | Sand* (1100): Detailed Habitat Type | Unconsolidated rubble* (1300): Detailed Habitat Type | Sand and rubble* (1400): Detailed Habitat Type | Groove* (1500): Detailed Habitat Type | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | Unconsolidated with >10% macroalgae or seagrass,220,0,128,64 |
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Seq. Order | 8 |
Data Storage Type | VARCHAR |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Included all classes in the unconsolidated substrate category with more than 10 percent cover of live submerged vegetation (macroalgae/seagrass). Seagrass was very uncommon in NWHI (only a small area was found at Midway during the field survey) and was not identified on any of the habitat maps. | Description Source: Aggregated Cover Sites |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Format Mask | |
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Null Value Meaning | |
Allowed Values | Sand with macroalgae* (1120): Detailed Habitat Type | Sand with patchy (10-50% cover) macroalgae* (1121): Detailed Habitat Type | Sand with dense (>50% cover) macroalgae* (1122): Detailed Habitat Type | Unconsolidated Rubble with sparse (10-50% cover) algae* (1301): Detailed Habitat Type | Unconsolidated Rubble with dense (>50% cover) algae* (1302): Detailed Habitat Type | |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | Deep water,240,0,70,130 |
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Seq. Order | 9 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Areas where the bottom cannot be detected (identified) in the imagery. In most cases, this occurs in water more than 30 m deep. | Description Source: NOS - Biogeography Program |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | User defined - Detailed Habitat Type |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | Land,250,170,115,0 |
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Seq. Order | 10 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Areas determined to be above the water line in the imagery at the time the imagery was acquired. | Description Source: NOS - Biogeography Program |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
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Null Value Meaning | |
Allowed Values | User defined - Detailed Habitat Type |
Default Value | |
Foreign Key Relations | |
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Validation Rules |
Attribute Name | Unclassified (e.g., cloud, cloud shadow, surf),255,70,0,80 |
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Seq. Order | 11 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Areas where the bottom type is unclassified because of turbidity in the water, surface glint, or other types of interference. This category also includes areas where the seabed cannot be classified due to a lack of supplemental field-based information of for other reasons. | Description Source: NOS - Biogeography Program |
General Data Type | |
Unit of Measure | |
Case Restriction | |
Display Example | |
Format Mask | |
Null Value | |
Null Value Meaning | |
Allowed Values | User defined - Detailed Habitat Type |
Default Value | |
Foreign Key Relations | |
Derivation | |
Validation Rules |
Attribute Name | No Data,4000,0,0,0 |
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Seq. Order | 12 |
Data Storage Type | Unknown |
Max Length | |
Min Length | |
Required | No |
Primary Key | No |
Precision | |
Scale | |
Status | Active |
Description |
Refers to areas within the geographic bounds of the habitat map that lie outside the bounds of the aquired imagery. This is not a habitat category in the classification scheme. | Description Source: NOS - Biogeography Program |
General Data Type | |
Unit of Measure | |
Case Restriction | |
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Catalog Details
Catalog Item ID | 41266 |
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Metadata Record Created By | Tyler Christensen |
Metadata Record Created | 2017-04-06 10:33+0000 |
Metadata Record Last Modified By | SysAdmin InPortAdmin |
» Metadata Record Last Modified | 2022-08-09 17:11+0000 |
Metadata Record Published | 2017-04-17 |
Owner Org | NCCOS |
Metadata Publication Status | Published Externally |
Do Not Publish? | N |
Metadata Workflow State | Published / External |
Metadata Last Review Date | 2017-04-17 |
Metadata Review Frequency | 1 Year |
Metadata Next Review Date | 2018-04-17 |
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