character: Dr. Emily Carter
topic: Ecologist specializing in hydropower impacts on biodiversity
grade: 11
subject: Geography
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character: Professor Alan Green
topic: Hydrology and its effects on ecosystems
grade: 11
subject: Geography
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character: Sarah Mitchell
topic: Biodiversity assessment in dam-affected areas
grade: 11
subject: Geography
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character: Dr. Liam Zhao
topic: Conservation strategies for river ecosystems
grade: 11
subject: Geography
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