Layers:

Layer: Blueback Obstacles (235)


Name: Blueback Obstacles

Display Field: Dam_Name

Type: Feature Layer

Geometry Type: esriGeometryPoint

Description: <p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:20px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;">This map shows the habitat, both current and historic, that blueback herring may access in the Connecticut River and its primary tributaries, in direct relation to obstacles such as, primarily, hydropower dams or, to a lesser degree, drainage culverts. Our intention is to provide an opportunity for interested stakeholders to recognize what the USFWS, with input from state government and academic partners, recognize as immediate top priorities for the mitigation of obstacles that inhibit fish migration. With that information, they can direct their energy and financial resources toward that mitigation.</p><p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:20px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><br>Rivers herein are visualized in terms of the portion of historic habitat that is available to fish: unobstructed (no dams or other obstacles inhibit movement), partially obstructed (dams or obstacles with some mechanism of fish passage where movement is limited), or fully obstructed (dams or obstacles without fish passage, such that fish are prohibited from utilizing their full historic range). Further, obstacles are visualized in terms of what mitigation action is recommended by state government partners: removal of the obstacle, improvement or installation of fish passage, removal or improval/installation, low priority (no action is expected in the near term, i.e. status quo), or end of the road (no action is expected in the long term, e.g. Army Corp of Engineer flood prevention dams).</p>

Copyright Text: This work was accomplished by Corey Eddy at the Connecticut River Fish and Wildlife Conservation Office, on behalf of the River Migratory Fish Restoration Cooperative, with support from state government partners: CT Dept of Energy and Environmental Protection, MA Division of Marine Fisheries, MA Dept of Fish and game, NH Fish and Game Dept, VT Dept of Fish and Wildlife, and colleagues at the University of Massachusetts Amherst.

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YMin: 5062317.58573543
XMax: -8026976.86154542
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Type ID Field: Blueback_Goal

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• ORDER_ (type: esriFieldTypeInteger, alias: ORDER, SQL Type: sqlTypeOther, nullable: true, editable: true)
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• River (type: esriFieldTypeString, alias: River, SQL Type: sqlTypeOther, length: 8000, nullable: true, editable: true)
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• Fish_Passage (type: esriFieldTypeString, alias: Fish.Passage, SQL Type: sqlTypeOther, length: 8000, nullable: true, editable: true)
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• Latitude (type: esriFieldTypeDouble, alias: Latitude, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Longitude (type: esriFieldTypeDouble, alias: Longitude, SQL Type: sqlTypeOther, nullable: true, editable: true)
• Blueback_Priority (type: esriFieldTypeString, alias: Blueback.Priority, SQL Type: sqlTypeOther, length: 8000, nullable: true, editable: true)
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• Total_Habitat_Above_BBH (type: esriFieldTypeString, alias: Total.Habitat.Above.BBH, SQL Type: sqlTypeOther, length: 8000, nullable: true, editable: true)
• Habitat_Between_BBH (type: esriFieldTypeString, alias: Habitat.Between.BBH, SQL Type: sqlTypeOther, length: 8000, nullable: true, editable: true)

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Last Edit Date: 12/10/2025 2:14:57 PM

Schema Last Edit Date: 8/13/2025 3:35:41 PM

Data Last Edit Date: 12/10/2025 2:14:57 PM

Layer: Blueback Habitat (95)


Name: Blueback Habitat

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Description: <p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:20px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;">This map shows the habitat, both current and historic, that blueback herring may access in the Connecticut River and its primary tributaries, in direct relation to obstacles such as, primarily, hydropower dams or, to a lesser degree, drainage culverts. Our intention is to provide an opportunity for interested stakeholders to recognize what the USFWS, with input from state government and academic partners, recognize as immediate top priorities for the mitigation of obstacles that inhibit fish migration. With that information, they can direct their energy and financial resources toward that mitigation.</p><p style="background-color:rgb(255, 255, 255); border:0px solid currentcolor; box-sizing:border-box; color:rgb(74, 74, 74); font-family:&quot;Avenir Next&quot;, Avenir, &quot;Helvetica Neue&quot;, sans-serif; font-size:20px; font-style:normal; font-variant-caps:normal; font-variant-ligatures:normal; font-weight:400; letter-spacing:normal; margin:0px 0px 1.5rem; text-align:start; text-decoration-color:initial; text-decoration-style:initial; text-indent:0px; text-transform:none; word-spacing:0px;"><br>Rivers herein are visualized in terms of the portion of historic habitat that is available to fish: unobstructed (no dams or other obstacles inhibit movement), partially obstructed (dams or obstacles with some mechanism of fish passage where movement is limited), or fully obstructed (dams or obstacles without fish passage, such that fish are prohibited from utilizing their full historic range). Further, obstacles are visualized in terms of what mitigation action is recommended by state government partners: removal of the obstacle, improvement or installation of fish passage, removal or improval/installation, low priority (no action is expected in the near term, i.e. status quo), or end of the road (no action is expected in the long term, e.g. Army Corp of Engineer flood prevention dams).</p>

Copyright Text: This work was accomplished by Corey Eddy at the Connecticut River Fish and Wildlife Conservation Office, on behalf of the River Migratory Fish Restoration Cooperative, with support from state government partners: CT Dept of Energy and Environmental Protection, MA Division of Marine Fisheries, MA Dept of Fish and game, NH Fish and Game Dept, VT Dept of Fish and Wildlife, and colleagues at the University of Massachusetts Amherst.

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Spatial Reference: 102100 (3857)


Drawing Info:

{"renderer":{"type":"uniqueValue","field1":"Habitat_status","uniqueValueInfos":[{"symbol":{"type":"esriSLS","style":"esriSLSSolid","color":[255,0,0,255],"width":2},"value":"Fully Obstructed","label":"Fully Obstructed"},{"symbol":{"type":"esriSLS","style":"esriSLSSolid","color":[255,170,0,255],"width":2},"value":"Partially Obstructed","label":"Partially Obstructed"},{"symbol":{"type":"esriSLS","style":"esriSLSSolid","color":[0,169,230,255],"width":2},"value":"Unobstructed","label":"Unobstructed"}],"fieldDelimiter":",","authoringInfo":{"colorRamp":{"type":"multipart","colorRamps":[{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[239,197,252,255],"toColor":[239,197,252,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[179,252,179,255],"toColor":[179,252,179,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[189,246,252,255],"toColor":[189,246,252,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[252,207,182,255],"toColor":[252,207,182,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[251,252,194,255],"toColor":[251,252,194,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[252,182,207,255],"toColor":[252,182,207,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[179,210,252,255],"toColor":[179,210,252,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[192,252,215,255],"toColor":[192,252,215,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[188,179,252,255],"toColor":[188,179,252,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[252,238,215,255],"toColor":[252,238,215,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[252,215,220,255],"toColor":[252,215,220,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[210,230,252,255],"toColor":[210,230,252,255]},{"type":"algorithmic","algorithm":"esriCIELabAlgorithm","fromColor":[252,210,240,255],"toColor":[252,210,240,255]}]}}},"scaleSymbols":true,"transparency":0,"labelingInfo":[{"labelExpressionInfo":{"expression":"$feature.Name","title":"Custom"},"labelPlacement":"esriServerLinePlacementCenterAlong","textLayout":"followFeature","deconflictionStrategy":"dynamic","allowOverrun":true,"repeatLabel":false,"lineConnection":"minimizeLabels","stackLabel":true,"stackRowLength":24,"stackAlignment":"dynamic","removeDuplicates":"all","removeDuplicatesDistance":0,"useCodedValues":true,"maxScale":0,"minScale":250000,"name":"Class 1","priority":-1,"symbol":{"type":"esriTS","color":[255,255,255,255],"backgroundColor":null,"borderLineColor":null,"borderLineSize":null,"verticalAlignment":"bottom","horizontalAlignment":"left","rightToLeft":false,"angle":0,"xoffset":0,"yoffset":0,"kerning":true,"haloColor":null,"haloSize":null,"font":{"family":"Tahoma","size":10,"style":"normal","weight":"normal","decoration":"none"}}}]}

HasZ: true

HasM: true

Has Attachments: false

Has Geometry Properties: true

HTML Popup Type: esriServerHTMLPopupTypeAsHTMLText

Object ID Field: OBJECTID

Unique ID Field:

Name : OBJECTID

IsSystemMaintained : True


Global ID Field:

Type ID Field: Habitat_status

Fields:
• OBJECTID (type: esriFieldTypeOID, alias: OBJECTID, SQL Type: sqlTypeOther, length: 0, nullable: false, editable: false)
• Name (type: esriFieldTypeString, alias: Name, SQL Type: sqlTypeOther, length: 254, nullable: true, editable: true)
• Habitat_status (type: esriFieldTypeString, alias: Habitat Status, SQL Type: sqlTypeOther, length: 255, nullable: true, editable: true)
• Length (type: esriFieldTypeDouble, alias: Habitat (km), SQL Type: sqlTypeOther, nullable: true, editable: true)
• Shape__Length (type: esriFieldTypeDouble, alias: Shape__Length, SQL Type: sqlTypeDouble, nullable: true, editable: false)

Types:

ID: Fully Obstructed
Name: Fully Obstructed
Domains:

Templates:

Name: Fully Obstructed
Description:
Drawing Tool: esriFeatureEditToolLine
Prototype:

Attributes:

• Habitat_status: Fully Obstructed

---

ID: Partially Obstructed
Name: Partially Obstructed
Domains:

Templates:

Name: Partially Obstructed
Description:
Drawing Tool: esriFeatureEditToolLine
Prototype:

Attributes:

• Habitat_status: Partially Obstructed

---

ID: Unobstructed
Name: Unobstructed
Domains:

Templates:

Name: Unobstructed
Description:
Drawing Tool: esriFeatureEditToolLine
Prototype:

Attributes:

• Habitat_status: Unobstructed

---


Is Data Versioned: false

Has Contingent Values: false

Supports Rollback On Failure Parameter: true

Last Edit Date: 9/25/2025 6:36:23 PM

Schema Last Edit Date: 8/13/2025 3:35:42 PM

Data Last Edit Date: 8/13/2025 3:35:42 PM