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He was the Deputy Director for Research for the Institute of Environmental Sciences from 1977 to 1981 , and was the recipient of the US Regional Association of the International Association for Landscape Ecology 's Distinguished Landscape Ecologist Award in 2001 .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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