Wyniki wyszukiwania

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Biomasa ryb Zbiornika Zegrzynskiego w aspekcie ich eksploatacji na przykladzie krapia, Blicca bjoerkna [Linnaeus, 1758]

100%

Szlakowski J., Wisniewolski W.

Supplementa ad Acta Hydrobiologica

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2001

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tom 01

67-76

2

Diet of spined loach, Cobitis taenia [L.] from Zegrzynski Dam Reservoir

100%

Boron A., Boron S.

Acta Ichthyologica et Piscatoria

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1994

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tom 24

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nr 2

111-124

The paper presents the results of studies on spined loach, Cobitis taenia (L.) diet in Zegrzyński Dam Reservoir. Food composition of the fish collected at four stations was analysed and compared. The stations differed as to the environmental conditions. Changes of diet components in particular months were described for two sampling stations, habitat conditions preferred by spined loach were described on the basis of the results and the literature data. A description was also given of its feeding grounds in the reservoir, and of the food of this fish in different places of its range of occurrence.

3

The diet of the Coot Fulica atra in the Zegrzynski Reservoir [Central Poland]

100%

Stoczkowski R., Stanczykowska A.

Acta Ornithologica

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1995

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tom 29

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nr 3

171-176

The basis for the work was provided by the stomach contents of 120 coots which were shot in the springs and autumns of the years 1988-1990 at the Zegrzyński Reservoir. Representatives of the Mollusca were found to constitute 77% of the food contents, with detritus accounting for 14.9% and gastroliths for 8.1%. Finally, plant tissue was found to make up less than 0.5% of the contents. A significant difference was noted in the amounts of food taken in different seasons of the year. Coots took more food in autumn than in spring (and the extra was mainly in the form of molluscs). The results are at variance with those in the literature since plant food is generally stated to predominate (making up 80-90% of the total), with animal food constituting the remainder of stomach contents. The difference is considered to result from differences in the environment in which the research was done.

4

Plytki nizinny zbiornik zaporowy; specyfika funkcjonowania ekosystemu

80%

Kajak Z.

Seria Biologiczna. Uniwersytet im. Adama Mickiewicza w Poznaniu

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1992

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tom 49

123-135

5

Meristic and biometric parameters of spined loach, Cobitis taenia [L.] [Cypriniformes, Cobitidae] from Zegrzynski Dam Reservoir

80%

Boron A.

Acta Ichthyologica et Piscatoria

|

1994

|

tom 24

|

nr 2

125-140

The paper presents the results of studies on meristic and biometric parameters in spined loach, Cobitis taenia (L.) from Zegrzyński Dam Reservoir. Body proportions were determined as well as the relations between the parameters under study and body and head length. Statistically significant differences were found in the values of some biometric parameters m males and females. The results were compared with the ĺata from the lit- erature of spined loach populations in which the species Cobitis taenia was well defined.

Ograniczanie wyników

2 Acta Ichthyologica et Piscatoria

1 Acta Ornithologica

1 Seria Biologiczna. Uniwersytet im. Adama Mickiewicza w Poznaniu

1 Supplementa ad Acta Hydrobiologica

2 Boron A.

1 Boron S.

1 Kajak Z.

1 Stanczykowska A.

1 Stoczkowski R.

1 Szlakowski J.

1 Wisniewolski W.

1 2001

1 1995

2 1994

1 1992

Biomasa ryb Zbiornika Zegrzynskiego w aspekcie ich eksploatacji na przykladzie krapia, Blicca bjoerkna [Linnaeus, 1758]

Diet of spined loach, Cobitis taenia [L.] from Zegrzynski Dam Reservoir

The diet of the Coot Fulica atra in the Zegrzynski Reservoir [Central Poland]

Plytki nizinny zbiornik zaporowy; specyfika funkcjonowania ekosystemu

Meristic and biometric parameters of spined loach, Cobitis taenia [L.] [Cypriniformes, Cobitidae] from Zegrzynski Dam Reservoir