Titre :
|
Atlanticheskii osëtr reki Rioni
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Titre original:
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Atlantic sturgeon of the Rioni river
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Auteurs :
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N. Ninua
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Type de document :
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thèse/mémoire
|
Editeur :
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Tbilisi, RUS : Izdatelstvo, Metsniereba, 1976
|
Format :
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122
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Langues:
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Russe
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Mots-clés:
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ACIPENSER STURIO
;
MORPHOLOGIE
;
TAUX DE REPRODUCTION
;
DYNAMIQUE DE POPULATION
|
Résumé :
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The book presented deals with life cycle of one of the most important representatives of species from the family of sturgeons, i.e. Atlantic sturgeon, the only numerous population of which has been survived in the South-Eastern part of the Black Sea. The author gives morphological characteristics of the species and some information about the past and present areas of reproduction. Some data about reaching the age of puberty, size and wieght increase, the peculiarities of structure and dynamics os spawing population, probable ways of its preserving and increasing the quantity of this valuable food-fish are given.
|
Diplôme :
|
Thèse Academy of sciences of the Georgian SSR
|