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1

A review of cnidarian epibionts on marine crustacea

100%
Fernandez-Leborans G.
Oceanological and Hydrobiological Studies
|
2013
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tom 42
|
nr 3
2

Population dynamic of two digenean species parasitizing the grass shrimp Palaemonetes argentinus Nobili 1901 (Decapoda: Palaemonidae) in a lentic environment from Argentina

100%
Parietti M., Merlo M. J., Etchegoin J. A.
Acta Parasitologica
|
2015
|
tom 60
|
nr 1
3

Remarks on the morphology and the life cycle of Rhithropanopeus harrisii ssp.tridentatus [Maitland] from the Dead Vistula River

100%
Normant M., Miernik J., Szaniawska A.
Oceanological and Hydrobiological Studies
|
2004
|
tom 33
|
nr 4
4

Evidences of zooplankton vertical migration in stocked and never-stocked Alpine lakes in Gran Paradiso National Park (Italy)

80%
Tiberti R., Barbieri M.
Oceanological and Hydrobiological Studies
|
2011
|
tom 40
|
nr 3
5
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Crustacean species as a source of infection of Baltic cod (Gadus morhua) with intestinal helminths

80%
Pawlak J., Nadolna-Altyn K., Podolska M.
Annals of Parasitology
|
2016
|
tom 62
|
nr Suppl.
6

Relict invertebrates in lacustrine habitats: life history of Pallaseopsis quadrispinosa [Sars, 1867] [Amphipoda: Gammaridae] in a deep mesotrophic lake

80%
Kolodziejczyk A., Niedomagala W.
Polish Journal of Ecology
|
2009
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tom 57
|
nr 4
729-740
Three crustacean species of postglacial origin are found in lakes of northern Poland. One of them is Pallaseopsis quadrispinosa which inhabits deep, oligotrophic and mesotrophic lakes. The deepest lake in Poland (area 3.11 km², max. depth 108.5 m) and on the entire Central European Plain is Lake Hańcza, an α-mesotrophic lake of unique character. A study of P. quadrispinosa in this lake was carried out between AprilOctober in 2000. Samples were collected at ten sites, to a depth of 16 m, using a tow net. In April, this amphipod crustacean was observed at depths of between 1–12 m with maximal density at 4–6 m (800 individuals per 100 m²). In May and July/ August, the density was reduced and this organism was found mainly between 6–12 m. In October, P. quadrispinosa was distributed between 1–6 m, with a maximal density of 1400 individuals per 100 m² at 2–4 m. Seasonal changes in density at various depths and the spatial heterogeneity of the occurrence of this amphipod indicate migration, probably related to changes in the water temperature and the reproductive cycle. Breeding of P. quadrispinosa was observed throughout the study period, with reproductive peaks in the early spring and autumn. The average number of eggs carried by ovigerous females ranged from 12 to 64, and was significantly correlated with the size of the individual. Newborn juveniles were spatially isolated from the adults as they tended to accumulate at the shallower bottom depth. The sampled material revealed the presence of two subpopulations of P. quadrispinosa. Environmental conditions, especially the consistently high level of dissolved oxygen, reproduction, apparently long life-span and occurrence in all parts of the lake indicate that the P. quadrispinosa population in Lake Hańcza is stable and in good condition.
7

Richness and distribution of zooplanktonic crustacean species in Chilean Andes Mountains and Southern Patagonia shallow ponds

80%
De l. R. P.
Polish Journal of Environmental Studies
|
2005
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tom 14
|
nr 6
The lacustrine ecosystems located in the Andes Mountains in the Atacama desert and in the Chilean Southern Patagonia are characterized by their high levels of salinity, the zooplankton in these sites are characterized by a marked predominance of calanoid copepods at low or intermediate salinity levels, and at high salinity levels pratically only the genus Artemia is dominant. Data on levels of salinity and zooplanktonic composition in both regions were collected in field work and from published data. Statistical analysis showed a marked inverse association between salinity and species richness that was notoriously significant for Andes Mountains (R = -0.8193; p = 0.0037), whereas for Southern Patagonia there were observed weakly similar results, caused by lack of data between 5.0-15.0 g/l. Both zones observed calanoid dominance at low and moderate salinity levels between 3-51 g/l and 1-16 g/l for Andes Mountains and Southern Patagonia, respectively, and Artemia genus was dominant at salinities above 100 g/l for Andes Mountains and 20 g/l for Southern Patagonia. Ecological and biogeographic effects, and comparison with zooplankton assemblages of Australian saline lakes are discussed in the present study.
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