Relative Sensitivity And Cost Of Amphipod Bioassays

Word, J.Q.; Ward, J.A.; Brown, B.; Walls, Bill; Lemlich, S.

doi:10.1109/oceans.1989.586771

Cited by 3 publications

(2 citation statements)

References 2 publications

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“…It might be advisable to try a flow-through system that delivers more than the one volume addition per day used in our experiment 2; for example, five volume additions per day. Once set up, a flowing seawater system for daily delivery of seawater and algal food would be a less labor-intensive method of maintaining and feeding a life-cycle experiment, and this species has sometimes shown increased sensitivity to toxicants in a static compared to a flow-through system [24].…”

Section: Discussionmentioning

confidence: 99%

Preliminary Culture and Life-Cycle Experiments With the Benthic Amphipod Ampelisca Abdita

Redmond¹,

Scott²,

Swartz³

et al. 1994

Environ Toxicol Chem

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The tube‐dwelling amphipod Ampelisca abdita Mills 1964 has been used extensively in acute sediment toxicity tests and has been shown to be amenable to chronic testing. Ampelisca abdita was held in the lab through several generations when fed algal food in daily static renewals, although culturing success was not consistent. Algal food consisted of one or more of the following: the flagellate Pseudoisochrysis paradoxa Sutton, and the diatoms Phaeodactylum tricornutum Bohlin and Chaetoceros calcitrans (Paulsen) Tokano. Sensitivity of cultured animals to cadmium chloride in 96‐h seawater‐only tests (LC50s 0.28–0.58 mg Cd/L) was comparable to that of field‐collected animals (LC50 0.20 mg Cd/L). A life‐cycle test initiated with juveniles 8 to 10 d old resulted in production of young or fertilized broods in only two of the 12 sample containers in which young were expected. Amphipods were sexually mature at approximately 20 d of age at 25°C, and young were first produced at 34 to 36 d. Short‐term tests were used to quantify growth of this species in 10 to 14 d. Results from a variety of experiments indicated that there are still one or more unresolved problems with the culture and chronic testing of Ampelisca abdita. Factors such as nutrition, flow rate, light, and temperature need to be examined further.

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Section: Discussionmentioning

confidence: 99%

Preliminary Culture and Life-Cycle Experiments With the Benthic Amphipod Ampelisca Abdita

Redmond¹,

Scott²,

Swartz³

et al. 1994

Environ Toxicol Chem

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“…Test organisms of different species exhibit different sensitivities to the physical and chemical composition of sediments (Anderson et al 1998;Giesy et al 1990;Hickey and Martin 1995;Phipps et al 1995;Watts and Pascoe 2000;Weinstein and Sanger 2003;Milani et al 2003;Word et al 1989;Gentile et al 1988). To account for this variation, test species representing different taxonomic groups (for example, an amphipod and a polychaete) should be selected where possible.…”

Section: Species Selectionmentioning

confidence: 99%

Advances in dredged material evaluations for inland and ocean aquatic placement : modernized processes and supportive tools

Kennedy¹,

Moore²,

Farrar³

et al. 2023

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As part of the US Army Corps of Engineers’ mission to evaluate and move dredged material (DM) to maintain navigation channels, environmental evaluation of the prospective material is required by the Code of Federal Regulations. While existing guidance manuals provide useful guidance to DM regulators, they are over 30 years old and not reflective of the latest science. However, efforts to update procedures and publish the documents individually or as a combined dredging manual have been thus far unsuccessful. These issues, coupled with a lack of consistent reporting and decision documentation, lead to delays arising from challenges addressing project-specific issues not clearly covered within the existing guidance, revisiting previously resolved issues or negotiating disputes between permitting authorities. This technical report provides a path toward modernization of the environmental compliance aspects of DM evaluation guidance in part through software executables guiding the management and decision process and through a structured, evidence-based approach. The value added is an updated approach to DM testing and evaluation decisions.

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The Mortality of Amphipods in Toxicity Tests Conducted Under Different Flow Regimes

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Relative Sensitivity And Cost Of Amphipod Bioassays

Cited by 3 publications

References 2 publications

Preliminary Culture and Life-Cycle Experiments With the Benthic Amphipod Ampelisca Abdita

Preliminary Culture and Life-Cycle Experiments With the Benthic Amphipod Ampelisca Abdita

Advances in dredged material evaluations for inland and ocean aquatic placement : modernized processes and supportive tools

The Mortality of Amphipods in Toxicity Tests Conducted Under Different Flow Regimes

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