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Targeted actions will support salmon, trout on Vancouver Island

As extreme drought conditions continue to adversely affect river levels on Vancouver Island, a fish-population protection order will protect salmon and trout in the Tsolum River, temporarily restricting water use for industry and forage crops.

The Tsolum River has seen persistent low stream flows that are threatening the survival of salmon and trout. The fish-population protection order will help restore water flow levels and protect these fish species.

Effective Saturday, Aug. 19, 2023, approximately 45 surface and groundwater licence holders in the Tsolum River watershed must stop using water for forage crops, which include grass for hay, alfalfa and forage corn. Water use for industrial purposes, as outlined in the protection order, must also cease.

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Designing a Robotic Berry Picker

Video: Designing a Robotic Berry Picker


Since blackberries must be harvested by hand, the process is time-consuming and labor-intensive. To support a growing blackberry industry in Arkansas, food science associate professor Renee Threlfall is collaborating with mechanical engineering assistant professor Anthony Gunderman to develop a mechanical harvesting system. Most recently, the team designed a device to measure the force needed to pick a blackberry without damaging it. The data from this device will help inform the next stage of development and move the team closer to the goal of a fully autonomous robotic berry picker. The device was developed by Gunderman, with Yue Chen, a former U of A professor now at Georgia Tech, and Jeremy Collins, then a U of A undergraduate engineering student. To determine the force needed to pick blackberries without damage, the engineers worked with Threlfall and Andrea Myers, then a graduate student.