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Oceanic and local environmental conditions as forcing mechanisms of the glass eel recruitment to the southernmost European estuary
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Life‐history patterns of the mosquito‐fish, Gambusia affinis, in the estuary of the Guadalquivir river of south‐west Spain
TLDR
The differences found in growth and reproduction between the two age groups suggest that life-history tactics may vary not only between different stocks but also within the same stock among its different components.
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Effect of river regulation on the life‐history patterns of Barbus sclateri in the Segura river basin (south‐east Spain)
TLDR
The age structure, growth and reproduction of Barbus sclateri in a non-regulated section of the Segura River were similar to previously studied populations of undisturbed areas, but this population differed from one in a section with artificial water flow regulation.
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Morphometric study of the Iberian Aphanius (Actinopterygii, Cyprinodontiformes), with description of a new species
TLDR
Morphometric variation in Aphanius iberus was analysed to demostrate the remarkable genetic divergence between Mediterranean and Atlantic population of Iberia, and revealed the Villena population as the morphologically most differentiated.
SPREAD OF THE ALIEN BLEAK ALBURNUS ALBURNUS (LINNAEUS, 1758) (ACTINOPTERYGII, CYPRINIDAE) IN THE IBERIAN PENINSULA: THE ROLE OF RESERVOIRS
Since its first record in a tributary of the Ebro basin in 1992, the bleak Alburnus alburnus has spread to almost the whole Iberian Peninsula. In this paper (based on electrofishing surveys in 598…
Nuclear and mitochondrial data reveal high genetic divergence among Atlantic and Mediterranean populations of the Iberian killifish Aphanius iberus (Teleostei: Cyprinodontidae)
TLDR
The molecular divergence and phylogenetic relationships of the Iberian populations of Aphanius iberus were established using allozymes and the complete cytochrome b gene sequence, which revealed monophyletic clustering of the two geographical lineages, but provide weak support for the population relationships.
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Life-history patterns of the sandsmelt Atherina boyeri Risso, 1810 in the estuary of the Guadalquivir river, Spain
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Spatial and temporal variation of the nekton and hyperbenthos from a temperate European estuary with regulated freshwater inflow
The aquatic macrofauna of the Guadalquivir estuary were sampled (1 mm mesh persiana net) at 5 sampling sites located along the entire (except the tidal freshwater region) estuarine gradient of…
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Geckos as indicators of mining pollution
TLDR
Comparison of element concentrations in tails and whole bodies suggests that tail clips are a viable nondestructive index of contaminant accumulation, and results indicate that areas polluted by the mine continue to experience contamination of the terrestrial food chain.
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Spatio-temporal distribution of early life stages of the European anchovy Engraulis encrasicolus L. within a European temperate estuary with regulated freshwater inflow: effects of environmental…
TLDR
Results of stepwise multiple regression analysis indicates that density of its main prey, Mesopodopsis slabberi, explained 45% of total anchovy density variance, and after removing the effect of this variable, interannual differences in the anchovy estuarine recruitment were not significant.
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