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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

Volumes:
Volume 55, 2019 Volume 54, 2018 Volume 53, 2017 Volume 52, 2016 Volume 51, 2015 Volume 50, 2014 Volume 49, 2013 Volume 48, 2012 Volume 47, 2011 Volume 46, 2010 Volume 45, 2009 Volume 44, 2008 Volume 43, 2007 Volume 42, 2006 Volume 41, 2005 Volume 40, 2004 Volume 39, 2003 Volume 38, 2002 Volume 37, 2001 Volume 36, 2000 Volume 35, 1999 Volume 34, 1998

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v41.i5.10
pages 3-7

Some Structural and Functional Peculiarities of the Ecosystems of the Main Mountain Tributaries of the Danube River Basin

M. I. Cheredarik
Chernovtsy National University, Chernovtsy Regional Soviet of the Ukrainian Society of Nature Conservation, Ukraine
V. I. Korolyuk
Chernovtsy National University, Chernovtsy Regional Soviet of the Ukrainian Society of Nature Conservation, Ukraine

RESUMO

It has been found that hydrological peculiarities of some mountain tributaries of the Danube River, including the Prut, Siret, and Cheremosh rivers, are responsible for a rather low primary production. In all seasons decomposition predominated over production. Only in some cases, the index of the intensity of self-purification (A/R) was higher than 1 (1.05−1.10). For the most part phytoplankton net production was characterized by negative values, which testifies that allochthonous organic matter was of considerable importance in the energetic supply of the ecosystem.


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