Assessing stakeholder impacts and adaptation to low water-levels: the Trent-Severn waterway

摘要: The Trent-Severn Waterway in central Ontario, Canada, is a large inland water system. It managed for broad range of stakeholders with different needs and expectations, creating complex management context. Although variations levels occur, extreme low water-level events may increase the future due to climate change, challenging practices, addition requiring adaptation reduce impacts. A modified policy Delphi was used generate evaluate ideas related historical impacts adaptations. paper presents perspectives three groups—cottagers homeowners (CH), government (G), industry business (IB)—on their experiences historic water-levels, as well on adaptations using two scenarios: moderate decrease 25 cm more severe 50 decline. Shared (individual collective) were identified along those that unique group. likelihood consensus potential most increased severity reduction. All groups indicated higher collective rather than individual scenario, some cases, contacts assistance broadened. While requires significant effort by analyst respondents, it provides useful framework generating analyzing perceptions preferences diverse stakeholders.