Eel ( Anguilla anguilla ) and Brown Trout ( Salmo trutta ) Target Species to Assess the Biological Impact of Trace Metal Pollution in Freshwater Ecosystems

1996 ◽  
Vol 31 (3) ◽  
pp. 297-302 ◽  
Author(s):  
A. R. Linde ◽  
P. Arribas, S. Sanchez-Galan ◽  
E. Garcia-Vazquez
Keyword(s):  
Trace Metal ◽  
Brown Trout ◽  
Metal Pollution ◽  
Salmo Trutta ◽  
Anguilla Anguilla ◽  
Freshwater Ecosystems ◽  
Target Species ◽  
Biological Impact ◽  
Trace Metal Pollution ◽  
Brown Trout Salmo Trutta

scholarly journals The response of a brown trout (Salmo trutta) population to reintroduced Eurasian beaver (Castor fiber) habitat modification

2021 ◽  
pp. 1-11
Author(s):  
Robert J. Needham ◽  
Martin Gaywood ◽  
Angus Tree ◽  
Nick Sotherton ◽  
Dylan Roberts ◽  
...  
Keyword(s):  
Brown Trout ◽  
Salmo Trutta ◽  
Low Cost ◽  
Fork Length ◽  
Freshwater Ecosystems ◽  
Habitat Modification ◽  
Castor Fiber ◽  
Suitable Habitat ◽  
Eurasian Beaver ◽  
Brown Trout Salmo Trutta

Globally, freshwaters are the most degraded and threatened of all ecosystems. In northern temperate regions, beaver (Castor spp.) reintroductions are increasingly used as a low-cost and self-sustaining means to restore river corridors. River modifications by beavers can increase availability of suitable habitat for fish, including salmonids. This study investigated the response of a population of brown trout (Salmo trutta) to reintroduced Eurasian beaver (Castor fiber) habitat modifications in northern Scotland. The field site comprised two streams entering a common loch; one modified by beavers, the other unaltered. Electrofishing and PIT telemetry surveys indicated abundance of post-young-of-the-year (post-YOY) trout was higher in the modified stream. Considering juvenile year groups (YOY and post-YOY) combined, abundance and density varied with year and season. In the modified stream, fork length and mass were greater, there was a greater variety of age classes, and mean growth was positive during all seasons. Beavers had profound effects on the local brown trout population that promoted higher abundances of larger size classes. This study provides important insight into the possible future effect of beavers on freshwater ecosystems.

Heavy Metal Contamination of European Eel (Anguilla anguilla) and Brown Trout (Salmo trutta) Caught in Wild Ecosystems in Spain

2004 ◽  
Vol 67 (10) ◽  
pp. 2332-2336 ◽  
Author(s):  
A. R. LINDE ◽  
S. SANCHEZ-GALAN ◽  
E. GARCIA-VAZQUEZ
Keyword(s):  
Brown Trout ◽  
Salmo Trutta ◽  
Heavy Metal Contamination ◽  
Anguilla Anguilla ◽  
Human Consumption ◽  
European Eel ◽  
High Metal Content ◽  
High Metal ◽  
Brown Trout Salmo Trutta ◽  
Hg Accumulation

In this study we analyzed the pattern of copper (Cu), cadmium (Cd), lead (Pb), and mercury (Hg) accumulation in liver (as a detoxifying organ) and muscle (as the most important tissue for human consumption) of brown trout (Salmo trutta) and European eel (Anguilla anguilla) caught in two wild Spanish rivers where both species are usually angled for human consumption. Cd, Pb, and Cu accumulated preferentially in the liver of both species. Hg accumulated both in the liver and muscle in brown trout, whereas it accumulated preferentially in muscle in European eel. Both high metal content and preferential accumulation of Hg in muscle suggest that European eel is more harmful than brown trout for human consumption.

Metallothionein and Heavy Metals in Brown Trout (Salmo trutta) and European Eel (Anguilla anguilla): A Comparative Study

1999 ◽  
Vol 44 (2) ◽  
pp. 168-173 ◽  
Author(s):  
A.R. Linde ◽  
S. Sánchez-Galán ◽  
D. Klein ◽  
E. García-Vázquez ◽  
K.H. Summer
Keyword(s):  
Heavy Metals ◽  
Comparative Study ◽  
Brown Trout ◽  
Salmo Trutta ◽  
Anguilla Anguilla ◽  
European Eel ◽  
Brown Trout Salmo Trutta
Sign in / Sign up

Export Citation Format

Share Document