{
  "type": "FeatureCollection",
  "name": "Historical commercial AIS effort \u00b7 July and September 2024",
  "features": [
    {
      "type": "Feature",
      "id": "AIS-COMM-001",
      "properties": {
        "id": "AIS-COMM-001",
        "label": "Offshore Point Buchon \u00b7 Unspecified fishing gear",
        "evidence_type": "gfw_ais_apparent_commercial_fishing_effort",
        "gear_type": "fishing",
        "gear_label": "Unspecified fishing gear",
        "cell_count": 1,
        "cell_size_degrees": 0.01,
        "resolution_note": "Original 0.01\u00b0 cells, about 0.9 \u00d7 1.1 km here. Outline is a statistical grid, not the boat\u2019s exact track or a reef boundary.",
        "periods": [
          {
            "start": "2024-07-01",
            "end": "2024-07-31"
          },
          {
            "start": "2024-09-01",
            "end": "2024-09-30"
          }
        ],
        "active_dates_utc": [
          "2024-07-08",
          "2024-07-13",
          "2024-07-29"
        ],
        "days_with_apparent_fishing": 3,
        "qualifying_dates_utc": [
          "2024-07-08",
          "2024-07-13",
          "2024-07-29"
        ],
        "minimum_repeat_days_per_cell": 3,
        "apparent_fishing_hours": 2.391,
        "hours_by_date": {
          "2024-07-08": 0.7755,
          "2024-07-13": 0.8669,
          "2024-07-29": 0.7491
        },
        "max_mmsi_present_in_single_cell_day": 1,
        "vessel_count_note": "Maximum in one cell/day, not unique boats across the period. The dataset does not identify charter operators.",
        "flags": [
          "USA"
        ],
        "source_confidence": "Published GFW model output; 2024 vessel classifications provisional",
        "fishing_location_confidence": "Low for recreational targeting; historical model classification only",
        "verified_charter": false,
        "verified_catch": false,
        "target_species": [],
        "depth_ft": null,
        "depth_status": "Unknown; offshore context, not qualified for the 200 ft fishing limit",
        "suggested_use": "Context overlay only. Do not change habitat grades, bite scores, drift instructions or fish here recommendations.",
        "latitude": 35.205,
        "longitude": -121.085,
        "source_url": "https://doi.org/10.5281/zenodo.14982712",
        "license": "CC-BY-NC-4.0",
        "attribution": "\u00a9 Global Fishing Watch. 2025. Global AIS-based Apparent Fishing Effort Dataset v3.0. SkipperCast regional extraction and aggregation; non-commercial use only."
      },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
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            ],
            [
              -121.08,
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            ],
            [
              -121.09,
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            ],
            [
              -121.09,
              35.2
            ],
            [
              -121.08,
              35.2
            ]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "id": "AIS-COMM-002",
      "properties": {
        "id": "AIS-COMM-002",
        "label": "Offshore Point Buchon \u00b7 Unspecified fishing gear",
        "evidence_type": "gfw_ais_apparent_commercial_fishing_effort",
        "gear_type": "fishing",
        "gear_label": "Unspecified fishing gear",
        "cell_count": 1,
        "cell_size_degrees": 0.01,
        "resolution_note": "Original 0.01\u00b0 cells, about 0.9 \u00d7 1.1 km here. Outline is a statistical grid, not the boat\u2019s exact track or a reef boundary.",
        "periods": [
          {
            "start": "2024-07-01",
            "end": "2024-07-31"
          },
          {
            "start": "2024-09-01",
            "end": "2024-09-30"
          }
        ],
        "active_dates_utc": [
          "2024-07-02",
          "2024-07-08",
          "2024-07-13",
          "2024-07-29"
        ],
        "days_with_apparent_fishing": 4,
        "qualifying_dates_utc": [
          "2024-07-02",
          "2024-07-08",
          "2024-07-29"
        ],
        "minimum_repeat_days_per_cell": 3,
        "apparent_fishing_hours": 2.159,
        "hours_by_date": {
          "2024-07-02": 0.7999,
          "2024-07-08": 0.4263,
          "2024-07-13": 0.1997,
          "2024-07-29": 0.7333
        },
        "max_mmsi_present_in_single_cell_day": 1,
        "vessel_count_note": "Maximum in one cell/day, not unique boats across the period. The dataset does not identify charter operators.",
        "flags": [
          "USA"
        ],
        "source_confidence": "Published GFW model output; 2024 vessel classifications provisional",
        "fishing_location_confidence": "Low for recreational targeting; historical model classification only",
        "verified_charter": false,
        "verified_catch": false,
        "target_species": [],
        "depth_ft": null,
        "depth_status": "Unknown; offshore context, not qualified for the 200 ft fishing limit",
        "suggested_use": "Context overlay only. Do not change habitat grades, bite scores, drift instructions or fish here recommendations.",
        "latitude": 35.185,
        "longitude": -121.075,
        "source_url": "https://doi.org/10.5281/zenodo.14982712",
        "license": "CC-BY-NC-4.0",
        "attribution": "\u00a9 Global Fishing Watch. 2025. Global AIS-based Apparent Fishing Effort Dataset v3.0. SkipperCast regional extraction and aggregation; non-commercial use only."
      },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
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            ],
            [
              -121.07,
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            ],
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              -121.08,
              35.19
            ],
            [
              -121.08,
              35.18
            ],
            [
              -121.07,
              35.18
            ]
          ]
        ]
      }
    },
    {
      "type": "Feature",
      "id": "AIS-COMM-003",
      "properties": {
        "id": "AIS-COMM-003",
        "label": "Offshore Morro Bay \u00b7 Trawler activity",
        "evidence_type": "gfw_ais_apparent_commercial_fishing_effort",
        "gear_type": "trawlers",
        "gear_label": "Trawler activity",
        "cell_count": 1,
        "cell_size_degrees": 0.01,
        "resolution_note": "Original 0.01\u00b0 cells, about 0.9 \u00d7 1.1 km here. Outline is a statistical grid, not the boat\u2019s exact track or a reef boundary.",
        "periods": [
          {
            "start": "2024-07-01",
            "end": "2024-07-31"
          },
          {
            "start": "2024-09-01",
            "end": "2024-09-30"
          }
        ],
        "active_dates_utc": [
          "2024-09-29",
          "2024-09-30"
        ],
        "days_with_apparent_fishing": 2,
        "qualifying_dates_utc": [
          "2024-09-29",
          "2024-09-30"
        ],
        "minimum_repeat_days_per_cell": 2,
        "apparent_fishing_hours": 1.96,
        "hours_by_date": {
          "2024-09-29": 0.4761,
          "2024-09-30": 1.4838
        },
        "max_mmsi_present_in_single_cell_day": 1,
        "vessel_count_note": "Maximum in one cell/day, not unique boats across the period. The dataset does not identify charter operators.",
        "flags": [
          "USA"
        ],
        "source_confidence": "Published GFW model output; 2024 vessel classifications provisional",
        "fishing_location_confidence": "Low for recreational targeting; historical model classification only",
        "verified_charter": false,
        "verified_catch": false,
        "target_species": [],
        "depth_ft": null,
        "depth_status": "Unknown; offshore context, not qualified for the 200 ft fishing limit",
        "suggested_use": "Context overlay only. Do not change habitat grades, bite scores, drift instructions or fish here recommendations.",
        "latitude": 35.365,
        "longitude": -121.225,
        "source_url": "https://doi.org/10.5281/zenodo.14982712",
        "license": "CC-BY-NC-4.0",
        "attribution": "\u00a9 Global Fishing Watch. 2025. Global AIS-based Apparent Fishing Effort Dataset v3.0. SkipperCast regional extraction and aggregation; non-commercial use only."
      },
      "geometry": {
        "type": "Polygon",
        "coordinates": [
          [
            [
              -121.22,
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            ],
            [
              -121.22,
              35.37
            ],
            [
              -121.23,
              35.37
            ],
            [
              -121.23,
              35.36
            ],
            [
              -121.22,
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            ]
          ]
        ]
      }
    }
  ]
}