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ecologist (1. a scientist who studies ^ecology 2. a person who is interested in ^ecology and believes the environment should be protected OALD Alexander Demidov); environmental researcher (Environmental researcher Paul Aspholm works for NIBIO, a research institute based in the Pasvik valley that used to collaborate with Russian scientists.  time.com ART Vancouver) | |||
| ecologist | |||
| environmentalist; environmental engineer; environmental expert (Alexander Matytsin) | |||
| Environmental Specialist | |||
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| environmental staff (Alexander Demidov) | |||
| environmental groups (Ivan Pisarev) | |||
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