Hegmann, George The Insignificance of Thresholds in Environmental Impact Assessment: an Illustrative Case Study in Canada: a Critique for Environmental Management. [electronic resource] - Environmental management 08 2019 - 129-132 p. digital Publication Type: Letter ISSN: 1432-1009 Standard No.: 10.1007/s00267-019-01183-6 doi Subjects--Topical Terms: CanadaConservation of Natural Resources