13 resultados para Perch.
em University of Michigan
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Mode of access: Internet.
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"Only 157 copies of this ed. have been printed."
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Includes bibliographical references (p. 22).
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Includes bibliographical references (page 14).
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Original purple cloth; booklists (36p., and [8] p. dated Nov. 1834) at end.
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Mode of access: Internet.
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Mode of access: Internet.
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The objective of this study was to determine the effects, if any, of sublethal concentrations of suspended materials on the fish in estuarine systems. Experimental sediment suspensions reproduced the concentrations frequently found during flooding and at dredging sites and dredged-material disposal sites. The suspensions were of natural sediment, obtained from the Patuxent River estuary, Maryland, or commercially available Fuller's earth. Fish were collected in the Patuxent River estuary and transported to the laboratory. The selected fish species inhabited ecologically different sections of the estuary; therefore, the overall reactions of each species were unique. Seven species of estuarine fish were exposed to Fuller's earth and natural sediment suspensions for timed periods and hematological changes were noted. The effects of various concentrations of Fuller's earth suspensions on white perch gill tissue were determined. Oxygen consumption rates of striped bass, white perch, and toadfish were measured in filtered Patuxent River water and compared to consumption rates in filtered river water suspensions of Fuller's earth or Patuxent River sediment. Fish showed signs of stress in response to suspended sediments in most of the experiments. Results indicate that sublethal concentrations of suspended solids can affect estuarine fish.
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Vol. [1]-[5] as Fur and feather series.
Stories of lake, field and forest. Rambles of a sportsman-naturalist. With ten half-tone engravings.
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Grouse shooting extraordinary.--Fly-fishing for white perch.--Goose shooting.--Perch fishing.--A tale of Winnepesaukee.--Horn pout fishing.--The fox we did not get.--Insect hunting in winter.--Lake trout fishing.--The naturalist in the White Mountains.
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"Pike fishing in Germany [by] Thomas Hood": [v. 1] p. 37-40; "Perch fishing in Germany [by] Thomas Hood": [v. 2] p. 7-10.
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Pietro Paolo Paradossi.--L'apostolo.--La voglia.--Un segreto de Pulcinella.--Potere de ombre.--Perchè?--Il villino.--Suggestione.--Ah, la scienza!--Colui che non puo amare.--Per la morte della morte.--La divina espiazione.--Da lontano.--Il monumento.--Perchè non prendo moglie?
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Half-title: Opere su Dante del reverendissimo D. Marco Giovanni Ponta ...