trawlObservation

Description

Observation to record details of a trawl or shot.

The trawlObservation schema inherits from fisheriesTripObservationType.

Properties

Name	Description	Required	Type
ShotNumber	The number of this shot or trawl on the trip.	No	Number
Duration	The length of time of the trawl or shot in the units specified.	No	Number
DurationUnits	The units in which the duration is measured. UN/CEFACT units SHOULD be used where these are applicable.	No	string
Distance	The distance and its units of the trawl.	No	lengthMeasureType
AverageSpeed	The average speed and its units of the trawl.	No	velocityMeasureType
CatchRate	The catch rate during the trawl.	No	Number
CatchRateUnits	The units in which the catch rate is expressed.	No	string
FishingMethod	The fishing method employed in the trawl.	No	string
TargetSpecies	The primary species being targetted.	No	string
Area	The code or name of the area being trawled.	No	string
MeshSize	The mesh size of the nets.	No	Number
BucketCount	The number of buckets of catch in the trawl or shot.	No	Number
BucketWeight	The total weight and units of the buckets of catch in the trawl or shot.	No	massMeasureType
Catch	The quantity of the species and optionally of the grade caught in the trawl.	No	Array of  speciesQuantityType
Bycatch	The quantity of the bycatch species and optionally of the grade caught in the trawl.	No	Array of  speciesQuantityType
Wildlife	Details of the wildlife encountered during the trawl.	No	wildlifeInteractionType
Comments	Comments on the trawl or shot.	No	string
BlocksFished	Array of the blocks fished in this trawl or shot.	No	Array of  string
SummaryGeometry	The geojson MultiPoint feature (with its geometry) that identifies the start point, end point and optionally the mid point of the trawl or shot.	No	geoJsonFeature
LoggedGeometry	The geojsonfeature (with its geometry) that covers the logged track of the trawl in detail.	No	geoJsonFeature
Trip	Identifies the trip on which the observations were made.	Yes	fisheriesTripType
ObservationDate	UTC Date (required) and time (optional) the observation was taken	Yes	date-time
PhenomenonStartTime	ISO UTC DateTime. The start time of the phenomenon being observed.	No	date-time
PhenomenonEndTime	ISO UTC DateTime. The end time of the phenomenon being observed.	No	date-time
Responsible	Identifier of the person responsible for the observation	No	string
Remark	Notes or remarks field	No	string
Id	Unique identifier (UUID) used within the current server to identify the resource.	Yes	string
Identifiers	Identifiers for the resource (see well-known/schemes... for example identity schemes).	No	Array of  identifierType
Links	Linked resources that are related to the current resource.	No	Array of  relationType
Meta	Meta-data for the resource. Mandatory if you wish to support synchronisation.	Yes	metaDataType
Name	A user-readable name for the resource.	No	string
Self	Uniform resource identifier (URI) of the resource (rel=self).	No	string

Examples

Example 1

{
  "resourceType": "trawlObservation",
  "id": "2a10aefe-23f2-4f76-ae6e-a348c4eeee37",
  "meta": {
    "sourceId": {
      "scheme": "com.deckhand.report",
      "id": "8a2ba43c-7201-4ca4-83e8-5355ee1f926f"
    },
    "modified": "2023-10-31T15:20:00Z"
  },
  "name": "Blue Doris trawl 3, 31/10/23 start 12:38, Trip S999123456A",
  "observationDate": "2023-10-31T13:10:00Z",
  "phenomenonStartTime": "2023-10-31T12:38:09Z",
  "phenomenonEndTime": "2023-10-31T13:09:43Z",
  "responsible": "Fabio Capello",
  "trip": {
    "tripId": {
      "scheme": "com.deckhand.trip",
      "id": "S999231004A"
    },
    "vesselName": "Blue Doris",
    "vesselIdentifier": {
      "scheme": "com.deckhand.vessel",
      "id": "V88810000A"
    },
    "startDateTime": "2023-10-31T11:49:28Z",
    "fishery": "ABC123"
  },
  "shotNumber": 1,
  "duration": 30.6,
  "durationUnits": "MIN",
  "distance": {
    "measurement": 4812,
    "units": "MTR"
  },
  "averageSpeed": {
    "measurement": 5.1,
    "units": "KNT"
  },
  "targetSpecies": "Bony Bream",
  "catch": [
    {
      "species": "Bony Bream",
      "weight": {
        "measurement": 950,
        "units": "KGM"
      }
    }
  ],
  "bycatch": [
    {
      "species": "Gummy shark",
      "weight": {
        "measurement": 75,
        "units": "KGM"
      }
    }
  ],
  "catchRate": 1.9,
  "catchRateUnits": "tonnes/hr",
  "fishingMethod": "Dab net",
  "area": "04",
  "comments": "Poor fishing today",
  "blocksFished": [
    "ABC12",
    "DEF12"
  ],
  "wildlife": {
    "observer": "Nat Brown",
    "speciesObserved": [
      {
        "species": "Long-nosed Fur Seal",
        "count": 2
      }
    ]
  },
  "summaryGeometry": {
    "geometry": {
      "coordinates": [
        [
          -122.03279,
          37.33498
        ],
        [
          -122.0864,
          37.33913
        ]
      ]
    }
  }
}