Search Results - "Roberts, Morris H."

Toxicity of water-soluble fractions derived from whole creosote and creosote-contaminated sediments by Padma, T.V. (Virginia Institute of Marine Science, Gloucester Point, VA.), Hale, R.C, Roberts, M.H. Jr

“…Creosote, a complex mixture of aromatic compounds (ACs), contaminates numerous sites in the USA and elsewhere. In addition to pollution of the water column…”
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Toxicity of sediments contaminated with fractions of creosote by Sved, Daniel W., Roberts, Morris H., Van Veld, Peter A.

“…Creosote, a mixture of polycyclic aromatic hydrocarbons (PAH), typically becomes depleted of low molecular weight compounds once in the environment. Previous…”
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Larval Development of Pagurus longicarpus Say Reared in the Laboratory. III. Behavioral Responses to Salinity Discontinuities by Roberts, Morris H.

“…1. Each zoeal instar of P. longicarpus was exposed to salinity discontinuities of varying magnitudes. Three distinct behavioral responses were observed: telson…”
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Larval Development of Pagurus longicarpus Say Reared in the Laboratory, I. Description of Larval Instars by Roberts, Morris H.

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Acute toxicity of PAH contaminated sediments to the estuarine fish, Leiostomus xanthurus by Roberts, M.H. Jr, Hargis, W.J, Strobel, C.J, De Lisle, P.F

“…Fish from an uncontaminated site were held for 28 days in mesh cages within aerated aquaria to allow contact with sediment from a contaminated site with PAH…”
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Larval Development of Pagurus Acadianus Benedict, 1901, Reared in the Laboratory (Decapoda, Anomura) by Roberts, Morris H

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Comparison of estuarine species sensitivities to three toxicants by Roberts, Jr, M H, Warinner, J E, Tsai, C F, Wright, D, Cronin, L E

“…The acute toxic response of species pairs tested simultaneously was determined for three toxicants; sodium lauryl sulfate, cadmium, and Lannate) (methomyl)…”
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TOXICITY OF WATER-SOLUBLE FRACTIONS DERIVED FROM WHOLE CREOSOTE AND CREOSOTE-CONTAMINATED SEDIMENTS by Padma, Tiruponithura V., Hale, Robert C., Roberts, Morris H.

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Acute toxicity of tributyltin chloride to embryos and larvae of two bivalve mollusks,Crassostrea virginica andMercenaria mercenaria by Roberts, Morris H.

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A novel use for the continuous-flow serial diluter: Aquatic toxicity testing of contaminated sediments in suspension by Sved, Daniel W., Roberts, Morris H.

“…Testing the toxicity of contaminated sediments is crucial to evaluating environmental risks because hydrophobic chemicals readily sorb to particulate matter…”
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Uptake and clearance rates for kepone in two marine fish species 1 by Roberts, Morris H., Fisher, Daniel J.

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Larval Development of Pagurus longicarpus Say Reared in the Laboratory. V. Effect of Diet on Survival and Molting by Roberts, Morris H.

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Larval Development of Pagurus longicarpus Say Reared in the Laboratory. IV. Aspects of the Ecology of the Megalopa by Roberts, Morris H.

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Acute toxicity of tributyltin chloride to embryos and larvae of two bivalve mollusks, Crassostrea virginica and Mercenaria mercenaria by ROBERTS, M. H. JR

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Larval Development of Bathynectes superba (Costa) Reared in the Laboratory by Roberts, Morris H.

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Kepone Distribution in Selected Tissues of Blue Crabs, Callinectes sapidus, Collected from the James River and Lower Chesapeake Bay by Roberts, Morris H.

“…Male, ovigerous female and nonovigerous female blue crabs were collected from seven stations in the lower Chesapeake Bay and lower James River, Virginia. The…”
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Larval Development of Pinnotheres chamae Reared in the Laboratory by Roberts, Morris H.

“…The larval stages of Pinnotheres chamae, commensal with Chama congregata, were reared in the laboratory. The culture salinity was 31‰, the mean temperature…”
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Bioassay Procedures for Marine Phytoplankton with Special Reference to Chlorine by Roberts, Morris H.

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Description of a Pea Crab, Pinnotheres chamae, sp. nov. from the Jewel Box, Chama congregata by Roberts, Morris H.

“…A new species of Pinnotheres is described from 9 female specimens and assigned the name Pinnotheres chamae. The new species, known only from the host jewel…”
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Functional Morphology of Mouth Parts of the Hermit Crabs, Pagurus longicarpus and Pagurus pollicaris by Roberts, Morris H.

“…The detailed external morphology of the mouth parts of Pagurus longicarpus Say and P. pollicaris Say is described and correlated with the function of these…”
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