| 1 (24) | Russian Academy of Sciences * | RUS |  |
| 2 (151) | Academy of Sciences of the Czech Republic * | CZE | |
| 3 (189) | Polish Academy of Sciences * | POL | |
| 4 (536) | Zoological Institute Russian Academy of Sciences | RUS | |
| 5 (598) | Institute of Oceanology Polish Academy of Sciences | POL | |
| 6 (713) | Biology Centre of the ASCR | CZE | |
| 7 (788) | Hungarian Academy of Sciences * | HUN | |
| 8 (828) | P P Shirshov Institute of Oceanology Russian Academy of Sciences | RUS | |
| 9 (847) | Romanian Academy * | ROU | |
| 10 (953) | Ruder Boskovic Institute * | HRV | |
| 11 (989) | National Institute of Biology | SVN | |
| 12 (1011) | Bulgarian Academy of Sciences * | BGR | |
| 13 (1051) | Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences | RUS | |
| 14 (1073) | Centre for Ecological Research | HUN | |
| 15 (1139) | Slovak Academy of Sciences * | SVK | |
| 16 (1179) | Jozef Stefan Institute | SVN | |
| 17 (1194) | Slovenian Academy of Sciences and Arts * | SVN | |
| 18 (1203) | National Academy of Sciences of Ukraine * | UKR | |
| 19 (1230) | Limnological Institute Russian Academy of Sciences | RUS | |
| 20 (1235) | Institute of Vertebrate Biology of the ASCR | CZE | |
| 21 (1237) | A.N. Severtsov Institute of Ecology and Evolution Russian Academy of Sciences | RUS | |
| 22 (1247) | Institute of Biodiversity and Ecosystems Research Bulgarian Academy of Sciences | BGR | |
| 23 (1250) | Timiryazev Institute of Plant Physiology Russian Academy of Sciences | RUS | |
| 24 (1276) | Karelian Research Center Russian Academy of Sciences | RUS | |
| 25 (1303) | Marine Hydrophysical Institute National Academy of Sciences of Ukraine | UKR | |
| 26 (1374) | V.I. Il'ichev Pacific Oceanological Institute Russian Academy of Sciences | RUS | |
| 27 (1375) | Papanin Institute for Biology of Inland Waters Russian Academy of Sciences | RUS | |
| 28 (1398) | Komi Scientific Center Russian Academy of Sciences | RUS | |
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