Evaluating ammonia toxicity in sewage effluent to stream macroinvertebrates: I. A multi-level approach

Monda, Dave P.; Galat, David L.; Finger, Susan

doi:10.1007/bf00213116

Cited by 21 publications

(15 citation statements)

References 12 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The effect of toxic substances in sewage on cladocerans were reported by several studies (Abdellatif, 1993;Monda et al, 1995;Arauzo and Valladolid, 2003;Sotero-Santos et al, 2006;Xiang et al, 2012). In Furnas Reservoir were detected high pesticide concentrations in the water near the coffee cultures farms, which can cause changes in the zooplankton community (Santos-Neto and Siqueira, 2005).…”

Section: Discussionmentioning

confidence: 89%

Morphological abnormalities in cladocerans related to eutrophication of a tropical reservoir

et al. 2016

View full text Add to dashboard Cite

show abstract

Section: Discussionmentioning

confidence: 89%

Morphological abnormalities in cladocerans related to eutrophication of a tropical reservoir

et al. 2016

View full text Add to dashboard Cite

show abstract

“…Increased Ammonium-nitrogen values is probably due to the decomposition of proteinous and nitrogenrich compounds present in the organic waste discharge. Monda et al (1995) stated that the decomposition of protein and nitrogen containing organic compounds results in the formation of ammonia. The alkaline nature of station 2 may inhibit the establishment of species not tolerant to alkaline conditions.…”

Section: Physico-chemical Quality Of the Sample Stationsmentioning

confidence: 99%

Impact of Effluents on Water Quality and Benthic Macroinvertebrate Fauna of Awba Stream and Reservoir

Adeogun¹,

Fafioye²

2011

Journal of Applied Sciences and Environmental Management

View full text Add to dashboard Cite

ABSTRACT:A study on the impact of effluent discharge on water quality and the benthic macro invertebrate fauna of the Awba stream and reservoir was carried out between April 2007 and May 2008. Benthic macro invertebrate and sediment samples were collected with a Van Veen grab, while physico-chemical parameters were sampled with Hach's Company Fish Farmers' Water Quality Test kit. Four stations were chosen for this study. A total of 4 taxa comprising 10 species of organisms were recorded. The abundance of these species and the physicochemical parameters at the various stations were significantly different (P<0-05). Dissolved oxygen was considerably lowest at Station 2 (1.38 ± 0.19mgl -1 ); a region of intense organic pollution during the study period. This was accompanied by high values of dissolved CO2 (20.0 ± 1.51mgl -1 ), total hardness (103.0±7.87mg (CaCO3)/l), ammonia-nitrogen (3.0±0mgl -1 ) and increased pH values (8.5±0.27). Water temperature values was also highest at this station (30.7±1.15˚C). The values obtained for the physico-chemical parameters and correlation values with the tested organisms indicated that changes in community structure had occurred as a result of changes in prevailing conditions in the habitat. The levels of trace metals (Zn, Mn, Cu, Pb, Ni, and Cr) were analyzed and there was no statistically significant difference in the values recorded between stations. The levels of these metals except zinc and manganese fell within the limits specified by USEPA as values recorded for zinc and manganese were higher than the acceptable limits specified by USEPA.

show abstract

“…According to the triad approach for stream ecosystem integrity assessment (Monda et al 1995), chemical analyses should be combined with biological responses (e.g., community structure and functioning) and with toxicological assessments.…”

Section: Introductionmentioning

confidence: 99%

Behavioral response of Zebrafish Danio rerio Hamilton 1822 to sublethal stress by sodium hypochlorite: ecotoxicological assay using an image analysis biomonitoring system

et al. 2007

View full text Add to dashboard Cite

We evaluated behavioral responses of zebrafish Danio rerio exposed to sublethal concentrations of sodium hypochlorite using an image analysis biomonitoring system (IABS). First, the limits of normal variation in swimming activity of zebrafish were determined by monitoring traveled distance of 40 control fishes using the IABS. An acute toxicity test was performed to determine the LC(50(24 h)) for D. rerio to NaOCl. To evaluate the toxic effects in swimming activity, 32 fishes were exposed to 40%, 30%, 20%, 10% of the LC(50 )and 32 were used as control using the IABS. We considered toxic concentrations where more than 10% intervals of the treated group were below the limits of normal variation and were significantly different from the control group. Two main responses were observed: an escape response (increased swimming activity) at 10% treated group, a gradual decrease in swimming activity from the 20% of the LC(50) on, and an avoidance response at higher concentrations. The response of the 20% treated group were considered as a NOAEL and responses of the 30% and 40% treated groups indicated significant hypoactivity (adverse effect). This behavioral biomonitoring system has proven to be a useful tool to detect sublethal toxicity that could be incorporated in biomonitoring protocols in Brazil.

show abstract

Evaluating ammonia toxicity in sewage effluent to stream macroinvertebrates: I. A multi-level approach

Cited by 21 publications

References 12 publications

Morphological abnormalities in cladocerans related to eutrophication of a tropical reservoir

Morphological abnormalities in cladocerans related to eutrophication of a tropical reservoir

Impact of Effluents on Water Quality and Benthic Macroinvertebrate Fauna of Awba Stream and Reservoir

Behavioral response of Zebrafish Danio rerio Hamilton 1822 to sublethal stress by sodium hypochlorite: ecotoxicological assay using an image analysis biomonitoring system

Contact Info

Product

Resources

About