| Titre : | Hydrobiologia 575 - JAN 2007 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Emerson M. Carvalho, Auteur ;
Manuel A. S. Graça, Auteur
Since litter input and availability of leaves in many streams is highly seasonal in Portugal, we investigated whether Sericostoma vittatum, a typical shredder, was able to grow using alternative food sources. To test this hypothesis we fed S. vi[...]
Article
Johannes Schoeffmann, Auteur ;
Simona Susnik, Auteur ;
Ales Snoj, Auteur
The phylogenetic status of brown trout Salmo trutta L 1758 in Sicily is uncertain as some reports describe these trout as S. macrostigma or S. cettii on one hand while other, contradictory reports imply a hatchery origin on the other. In order t[...]
Article
Virginie Baldy, Auteur ;
Michele Tremolieres, Auteur ;
Muriel Andrieu, Auteur ;
Jacques Belliard, Auteur
We examined the influence of water velocity, trophic status, and time period on the phosphorus content of two aquatic macrophytes. We sampled Berula erecta (Huds.) and Callitriche obtusangula (Le Gall.) from 17 oligosaprobic hardwater streams in[...]
Article
Maria J. Cruz, Auteur ;
Rui Rebelo, Auteur
The introduction of some crustacean species has produced alterations of freshwater environments and declines of native species worldwide. The red swamp crayfish, Procambarus clarkii Girard, was introduced in the Southwest Iberian Peninsula in th[...]
Article
Zimin Hu, Auteur ;
Xiaoqi Zeng, Auteur ;
Alan T. Critchley, Auteur ;
Steve L. Morrell, Auteur ;
Delin Duan, Auteur
Eighteen isolates of the red algae Chondrus crispus were collected from Northern Atlantic sites, together with C. ocellatus, C. yendoi and C. pinnulatus from the North Pacific. The nuclear rDNA internal transcribed spacer (ITS) was sequenced and[...]
Article
Short-time-scale variability of near-bottom seston composition during spring in a warm temperate sea
Sergio Rossi, Auteur ;
Josep-Maria Gili, Auteur
In this study, environmental (temperature, wave height, river run-off, and currents) and biological (Chlorophyll a (Chl a), total particulate carbon (TPC), particulate organic carbon (POC), particulate organic nitrogen (PON), proteins, and carbo[...]
Article
Maria Moustaka-Gouni, Auteur ;
Elisabeth Vardaka, Auteur ;
Eleni Tryfon, Auteur
The phytoplankton species composition and seasonal succession were examined in Lake Kastoria during the period November 1998-October 1999. A total of 67 species and 19 functional groups were identified. Only 4 out of the 67 species, all Cyanobac[...]
