Can the Biotic Ligand Model Predict Cu Toxicity Across a Range of pHs in Softwater-Acclimated Rainbow Trout?

2010 ◽  
Vol 44 (16) ◽  
pp. 6263-6268 ◽  
Author(s):  
Tania Y.-T. Ng ◽  
M. Jasim Chowdhury ◽  
Chris M. Wood
Keyword(s):  
Rainbow Trout ◽  
Biotic Ligand Model ◽  
Cu Toxicity ◽  
Biotic Ligand ◽  
Ligand Model

Acute cadmium biotic ligand model characteristics of laboratory-reared and wild yellow perch (Perca flavescens) relative to rainbow trout (Oncorhynchus mykiss)

2004 ◽  
Vol 61 (6) ◽  
pp. 942-953 ◽  
Author(s):  
S Niyogi ◽  
P Couture ◽  
G Pyle ◽  
D G McDonald ◽  
C M Wood
Keyword(s):  
Rainbow Trout ◽  
Oncorhynchus Mykiss ◽  
Yellow Perch ◽  
Perca Flavescens ◽  
Biotic Ligand Model ◽  
Northern Ontario ◽  
Binding Characteristics ◽  
Rainbow Trout Oncorhynchus Mykiss ◽  
Biotic Ligand ◽  
Ligand Model

This study evaluated the >400-fold tolerance to acute waterborne Cd of a metal-tolerant fish, yellow perch (YP, Perca flavescens), relative to a sensitive model fish, rainbow trout (RBT, Oncorhynchus mykiss), from the perspective of the acute Cd biotic ligand model (BLM). Three-hour gill binding characteristics for Cd and its competitor, Ca, in both species exhibited only small quantitative differences, but gill Cd accumulations at 3 h and 24 h, which were associated with 50% lethality at 96 h (3- and 24-h LA50s), were 52- to 60-fold higher in YP relative to RBT. However, the acute Cd BLM cannot be extended from RBT to YP by simple adjustments of LA50 values because unlike RBT, in YP, LA50s (3 and 24 h) were 26- to 47-fold greater than the capacity of the characterized set of Cd-binding sites. Moreover, 3-h gill Ca and Cd binding characteristics in wild YP, collected from one clean (Geneva) and two metal-contaminated softwater lakes (Hannah and Whitson) around Sudbury region, northern Ontario, revealed that chronic waterborne factors like hardness and Cd preexposure can influence both Cd and Ca binding in fish gills and could have major implications for the future refinement of the acute Cd BLM approach.

Application of the biotic ligand model to predict copper acute toxicity to Medaka fish in typical Chinese rivers

2011 ◽  
Vol 64 (6) ◽  
pp. 1277-1283 ◽  
Author(s):  
Chunyan Wang ◽  
Hao Chen ◽  
Kuen Benjamin Wu ◽  
Lihui An ◽  
Binghui Zheng
Keyword(s):  
Acute Toxicity ◽  
Surface Waters ◽  
Water Samples ◽  
Biotic Ligand Model ◽  
Tidal River ◽  
The Other ◽  
Medaka Fish ◽  
Cu Toxicity ◽  
Biotic Ligand ◽  
Ligand Model

LA50, the Lethal Accumulation of Cu on the Medaka fish (Oryzias latipes) gills that results in 50% mortality during a toxicological exposure (96 hours) in synthetic water was assessed by use of the biotic ligand model (BLM). The LA50 was employed to predict the 96 h Cu toxicity (LC50) to this fish in different natural surface waters in China. The LC50 values were predicted with errors of no more than 1.55 for the river water except for two water samples, one of which was from a tidal river and the other of which was from a river that was subject to joint metal pollution and possibly affected by other pollutants.

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