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Wyszukujesz frazę "Vistula delta" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Hydrology and morphology of two river mouth regions (temperate Vistula Delta and subtropical Red River Delta)
Autorzy:
Pruszak, Z.
Van Ninh, P.
Szmytkiewicz, M.
Hung, N.M.
Ostrowski, R.
Powiązania:
https://bibliotekanauki.pl/articles/47577.pdf
Data publikacji:
2005
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
discharge
sedimentation
hydrology
wave
river mouth region
Vistula delta
morphology
Red River Delta
Opis:
The paper presents a comparative analysis of two different river mouths from two different geographical zones (subtropical and temperate climatic regions). One is the multi-branch and multi-spit mouth of the Red River on the Gulf of Tonkin (Vietnam), the other is the smaller delta of the river Vistula on a bay of the Baltic Sea (Poland). The analysis focuses on the similarities and differences in the hydrodynamics between these estuaries and the adjacent coastal zones, the features of sediment transport, and the long-term morphodynamics of the river outlets. Salinity and water level are also discussed, the latter also in the context of the anticipated global effect of accelerated sea level rise. The analysis shows that the climatic and environmental conditions associated with geographical zones give rise to fundamental differences in the generation and dynamic evolution of the river mouths.
Źródło:
Oceanologia; 2005, 47, 3
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
New data on the non-indigenous gammarids in the Vistula Delta and the Vistula Lagoon
Autorzy:
Surowiec, J.
Dobrzycka-Krahel, A.
Powiązania:
https://bibliotekanauki.pl/articles/48578.pdf
Data publikacji:
2008
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Gammarus salinus
Polska
Gammarus oceanicus
Vistula delta
Baltic Sea
non-indigenous species
Gammarus duebeni
gammarid species
Gammarus varsoviensis
Gammarus zaddachi
Vistula Lagoon
Opis:
This communication reports on the occurrence of non-indigenous gammarid species of Ponto-Caspian and of North American origin – in the lower course of the River Vistula, in its Delta and in the Vistula Lagoon.
Źródło:
Oceanologia; 2008, 50, 3; 443-447
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Energy values and energy resources of two prawns in Baltic coastal waters: the indigenous Palaemon adspersus and the non-indigenous Palaemon elegans
Autorzy:
Janas, U.
Bruska, O.
Powiązania:
https://bibliotekanauki.pl/articles/48799.pdf
Data publikacji:
2010
Wydawca:
Polska Akademia Nauk. Instytut Oceanologii PAN
Tematy:
Palaemon elegans
Palaemon adspersus
Palaemonetes varians
palaemonid species
non-indigenous species
energy value
Baltic Sea
Baltic coastal water
Dead Vistula River
Vistula delta
coastal zone
Polska
Opis:
Until recently only two palaemonid species inhabited the southern Baltic: Palae- mon adspersus and Palaemonetes varians. Soon after the year 2000 a new species – Palaemon elegans – arrived and quickly established itself as a new component in the trophic web. The objects of this research were to define the energy value and energy resources of P. elegans and to compare them with the corresponding values for the native P. adspersus. These parameters will supply information about this new link in the trophic web and may help to explain the part played by the new prawn and its population in the energy flow. This work demonstrated that the energy values of both prawn species were very much the same: the average energy value of P. elegans was 16.5±2.1 J mg−1 DW (19.3 ± 2.5 J mg−1 AFDW) (N = 150), that of P. adspersus was 16.7 ± 2.1 J mg−1 DW (19.5 ± 2.5 J mg−1 AFDW) (N= 71). No statistically significant differences in energy value were found between the two species with respect to sex, size or season. The results show that P. elegans is an energetically valuable food item for predators. Its energy resources in Polish brackish coastal waters can be as high as 150 kJ m−2; the highest among the palaemonid species in this area, they constitute a rich supply of food for other organisms.
Źródło:
Oceanologia; 2010, 52, 2; 281-297
0078-3234
Pojawia się w:
Oceanologia
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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