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Conception for the regeneration of the upper forest boundary and for the optimisation of hydrological regimes in the Ukrainian Carpathians, 1997. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 207-211. (1999)
Hungarian section I. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 99-103. (1999)
Hungarian section II. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 105-109. (1999)
Hungarian section III. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 119-123. (1999)
Romanian section. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 51-78. (1999)
Slovakian section I. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 111-114. (1999)
Slovakian section II. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 115-118. (1999)
Ukrainian section I. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 13-50. (1999)
Ukrainian section II. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 79-97. (1999)
The Upper Tisa valley : ecological background. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. p. 125. (1999)
Andó Mihály: Hydrogeographical features of the Upper Tisa river-system. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 135-172. (1999)
Béres Márta: Data to the vegetation of mushrooms in the Upper-Tisa region. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 293-307. (1999)
Deli Tamás; Sümegi Pál: Biogeographical characterisation of Szatmár-Bereg plain based on the mollusc fauna. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 471-477. (1999)
Drăgulescu Constantin; Fintha István; Mihály Andrij; Szabó Anikó: Wetland flora and vegetation of the Upper Tisa river valley. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 213-272. (1999)
Galdean Nicolae: Some considerations about the rheophilic elements of the benthic fauna (ord. Ephemeroptera, Plecoptera and Trichoptera) of the Upper Tisa region. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 413-425. (1999)
Györe Károly; Sallai Zoltán; Csikai Csaba: Data to the fish fauna of river Tisa and its tributaries in Hungary and Romania. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 455-470. (1999)
Hamar József: Algological data on the upper reach of river Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 355-360. (1999)
Harka Ákos; Banarescu Petru M.: Fish fauna of the Upper Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 439-454. (1999)
Kocsis Gáborné: Chemical water quality of the upper section of river Tisa : the Ukrainian and NE Hungarian part of the catchment area. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 339-348. (1999)
Konecsny Károly: Water developments and their impact on runoff in the Upper Tisa catchment. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 309-338. (1999)
Kovalchuk Andrey: Free-living ciliates of river Tisa and its tributaries. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 361-382. (1999)
Kovalchuk Natalia: Crustaceans (Ostracoda, Cladocera, Copepoda) from basins of the river Tisa region (Ukraine). In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 383-391. (1999)
Kricsfalusy Vladimir V.: Flora and vegetation of the Ukrainian Upper Tisa basin : aspects of biodiversity conservation. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 273-292. (1999)
Krocskó Gyula: Vertebrates of the Subcarpathian section of the river Tisa flood area (Ukraine). In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 489-500. (1999)
Nógrádi Sára; Uherkovich Ákos: Caddisflies (Trichoptera) of the Hungarian section of river Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 427-437. (1999)
Pecher I.; Stoiko S.; Kichura U.: Appeal to the participants of the Second World Congress PRO SILVA, 1996. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 205-206. (1999)
Potish Ludvik: Birds of the Ukrainian region of the Upper Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 481-487. (1999)
Soós Judit: Hygienic bacteriological valuation of the Upper Tisa region. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 349-353. (1999)
Szabó Anikó; Fintha István: The third and most significant record of Chilostoma banaticum (Rossmassler, 1838) (= Helicigona banatica) in Hungary (Tiszabecs, floodplain of river Tisa). In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 479-480. (1999)
Szító András: The Oligochaete and the Chironomid fauna of the Upper Tisa region and its tributaries. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 401-407. (1999)
Sárkány-Kiss Endre: A study of aquatic molluscs in the Upper Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 409-412. (1999)
Sárkány-Kiss Endre; Hamar József; Mihailescu Nicolae: Description of sampling sites along the Upper Tisa. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 127-133. (1999)
Sümegi Pál: Reconstruction of flora, soil and landscape evolution, and human impact on the Bereg plain from late-glacial up to the present, based on palaeoecological analysis. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 173-204. (1999)
Zsuga Katalin: Zooplankton investigations in the Upper Tisa region. In: The Upper Tisa valley : preparatory proposal for Ramsar site designation and an ecological background Hungarian, Romanian, Slovakian and Ukrainian co-operation 4. pp. 393-399. (1999)
