Engineering a log jam

Photo of a backhoe fully extended to lay a log in a stream bed. One person wearing a hardhat oversees nearby.
Photo By/Credit

USFWS

Date Shot/Created
11/24/2021
Media Usage Rights/License
Public Domain
Image
ELJs help replace wood that was 鈥渃leaned鈥� from many streams to facilitate log drives or prevent flooding. The use of pilings mimics how natural log jams accrue on trees or snags and then become self-stabilizing over time.
Facility
Mid-Columbia Fish and Wildlife Conservation Office
Ecosystem
River/stream
Subject tags
Aquatic environment
Ecological restoration
Habitat restoration
Rivers and streams