Dauria Ecoregion: freshwater ecosystems Full size 1052 × 799 pixels Will Argun-Erguna River be sacrificed by China for Coal and Energy? Dauria Ecoregion: freshwater ecosystems Dauria Ecoregion: freshwater ecosystems Next image Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *CommentName* Email* Website Save my name, email, and site URL in my browser for next time I post a comment. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.