RiverStone is pleased to announce two new associates have joined our team: Tristan Knight and Joel Ketch.

Tristan’s expertise is in the characterization, management, and restoration of terrestrial, wetland, and aquatic ecosystems.

Tristan is the lead ecologist out of the southern Ontario office and supported by James Eyres
Tristan brings integrated ecological knowledge and skill-sets to his work which has spanned both public and private sectors. Tristan is certified in Ecological Land Classification (ELC), Ontario Wetland Evaluation System (OWES), Ontario Benthos Biomonitoring Network (OBBN), and Ontario Stream Assessment Protocol (OSAP) and is also an ISA-certified Arborist. He regularly undertakes botanical inventories, vegetation mapping, breeding bird surveys, wetland delineations, fish habitat assessments, and mitigation/restoration plans. He is intimately familiar with the legislative and regulatory edifice guiding the protection of natural heritage features and species at risk in Ontario.

Joel brings both his academic training and several years of applied experience in fisheries and terrestrial assessments to the RiverStone team. He has gained expertise in fisheries habitat assessments, electrofishing, stream classification, and fisheries assessment at the provincial level. Joel also has a comprehensive knowledge of Ontario flora and fauna. He routinely participates in the completion of Environmental Impact Statements, Water Quality Impact Assessments, Fish Habitat Assessments, and Construction and Water Quality Monitoring. Joel holds certificates in Class 2 Backpack Electrofishing, Ontario Benthic Biomonitoring Network, Black Bear Safety Training, and TransCanada Excavation Training.


James Ketch and Tristan Knight of RiverStone Environmental Solutions Inc.

Joel Ketch and Tristan Knight