Fish Passage – Culvert Inspection Procedures

by Hitesh Lade | May 8, 2020

These inspection procedures are intended for fish biologists to assess fish habitat constraints at culverts associated with road crossings. It encourages a watershed approach to evaluating fish habitat and restoring access.

Field Assessment for Determining Fish Passage Status of Closed Bottom Structures

by Hitesh Lade | May 8, 2020

This protocol developed by the BC Ministry of Environment is a systematic watershed-based process used to determine and restore fish passage at culverted fish-stream crossings.

Detailed Visual Inspection Guidelines for Culverts

by Hitesh Lade | May 8, 2020

This document details Level 2 culvert inspections and the assessment of condition of various culvert components.

Culvert Inventory and Assessment for Fish Passage in the State of Alaska

by Hitesh Lade | May 8, 2020

This manual provides information on surveying culverts for type, slope, outfall height, constriction, and other physical parameters.

Culvert Crossings as Potential Barriers to Fish Movement in the Kakwa River Watershed, Alberta

by Hitesh Lade | May 8, 2020

This project assessed seventy-five culvert crossings in the Kakwa River watershed. Each crossing was assigned a score that related to eight elements pertaining to erosion and sediment delivery potential.