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Digitale Medien

Effects of meteorological parameters and plantdistribution on Chenopodiaceae-Amaranthaceae, Quercus and Olea airborne pollen concentrationsin the atmosphere of Cartagena (Spain) (2000)

Moreno-Grau, Stella ; Angosto, José M. ; Elvira-Rendueles, Belén ; [weitere]

Springer

Aerobiologia 16 (2000), S. 17-20

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ISSN: 1573-3025

Schlagwort(e): airborne concentration ; correlation models ; Chenopodiaceae-Amaranthaceae ; meteorological parameters ; Olea and Quercus

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract We have studied the effects of various meteorologicalparameters and plant distribution on the airborneconcentrations of three different pollen types:Chenopodiaceae-Amaranthaceae, Quercus and Olea, in the city of Cartagena, situated in SouthwestEurope. The aerobiological study has been carried outfrom March 1993 to March 1997, using a Hirst-typeLanzoni 2000 trap, situated on the roof of the citytrain station. Meteorological data were supplied bythe Environmental Service of Cartagena's Town Hall.Daily pollen concentrations were standardised.Correlation analysis showed the importance ofmeteorological data on airborne pollen concentrations.On the other hand, ANOVA analyses depicted theinfluence of vegetation distribution in relation tosampler location and wind directions. Finally,multiple regression analyses allowed us to developcorrelation models for the three different pollentypes considered, accounting for 32%(Chenopodiaceae-Amaranthaceae), 19% (Quercus),and 26% (Olea) of the variation in the airbornepollen concentration.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1007645307076

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2

Digitale Medien

Cadmium, zinc and copper accumulation in the squid Illex argentinus from the Southwest Atlantic Ocean (2000)

Gerpe, M. S. ; de Moreno, J. E. A. ; Moreno, V. J. ; [weitere]

Springer

Marine biology 136 (2000), S. 1039-1044

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ISSN: 1432-1793

Quelle: Springer Online Journal Archives 1860-2000

Thema: Biologie

Notizen: Abstract The levels and burdens of Cd, Zn, Cu and Hg were measured in the dorsal mantle, digestive gland and gonads of the squid Illex argentinus, from the Southwest Atlantic Ocean. Mature and immature individuals of both sexes were analysed. Correlations of heavy metal concentrations and burdens with sex and food habits were studied. The highest metal levels were found, particularly for Cd, in the digestive gland, which attained a concentration of up to 270 μg g−1 (wet weight). Dorsal mantle and gonads exhibited the same order of metal enrichment: Zn〉Cu〉Cd. Zinc and Cu levels were higher in ovaries than in testes and varied with the stage of maturation. The dorsal mantle exhibited the lowest heavy metal concentrations. Mercury levels were below the detection limit of the method in all the tissues analysed.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s002270000308

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