1000 resultados para United States. Continental Congress


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"This volume, compiled by Clifford P. Reynolds, publications technician of the [Joint] Committee [on Printing], is a revision of the Dictionary of the United States Congress and the general government, published in 1859 and again revised in 1869, by Charles Lanman; the Biographical annals of the civil government of the United States in 1876, by Joseph Lanman and James Anglin, and the Lanman edition of 1876 as corrected by Joseph M. Morrison in 1887; the Political register and congressional directory of 1878; by Ben: Perley Poore; the Biographical congressional directory of 1903, by O. M. Enyart; the Biographical congressional directory in 1911, the Biographical directory of the American Congress of 1927, by Ansel Wold, and the 1949 edition by James L. Harrison."

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Patterns were investigated in juvenile fish use of unconsolidated sediments on the southeast United States continental shelf off Georgia. Juvenile fish and environmental data were sampled at ten stations along a 110-km cross-shelf transect, including four stations surrounding Gray’s Reef National Marine Sanctuary (Gray’s Reef NMFS). Cross-shelf stations were sampled approximately quarterly from spring 2000 to winter 2002. Additional stations were sampled on three transects inshore of Gray’s Reef NMS and four transects offshore of the Sanctuary during three cruises to investigate along-shelf patterns in the juvenile fish assemblages. Samples were collected in beam trawls, and 121 juvenile taxa, of which 33 were reef-associated species, were identified. Correspondence analysis on untransformed juvenile fish abundance indicated a cross-shelf gradient in assemblages, and the station groupings and assemblages varied seasonally. During the spring, fall, and winter, three cross-shelf regions were identified: inner-shelf, mid-shelf, and outer-shelf regions. In the summer, the shelf consisted of a single juvenile fish assemblage. Water depth was the primary environmental variable correlated with cross-shelf assemblages. However, salinity, density, and water column stratification also correlated with the distribution of assemblages during the spring, fall, and winter, and along with temperature likely influenced the distribution of juvenile fish. No along-shelf spatial patterns were found in the juvenile fish assemblages, but the along-shelf dimension sampled was small (~60 km). Our results revealed that a number of commercially and recreationally important species used unconsolidated sediments on the shelf off Georgia as juvenile habitat. We conclude that management efforts would be improved through a greater recognition of the importance of these habitats to fish production and the interconnectedness of multiple habitats in the southeast U.S. continental shelf ecosystem.

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Water currents are vertically structured in many marine systems and as a result, vertical movements by fish larvae and zooplankton affect horizontal transport (Power, 1984). In estuaries, the vertical movements of larvae with tidal periods can result in their retention or ingress (Fortier and Leggett, 1983; Rijnsdorp et al., 1985; Cronin and Forward, 1986; Forward et al., 1999). On the continental shelf, the vertical movements of organisms interact daily and ontogenetically with depth-varying currents to affect horizontal transport (Pillar et al., 1989; Barange and Pillar, 1992; Cowen et al., 1993, 2000; Batchelder et al., 2002).

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Seasonal and cross-shelf patterns were investigated in larval fish assemblages on the continental shelf off the coast of Georgia. The influence of environmental factors on larval distributions also was examined, and larval transport processes on the shelf were considered. Ichthyoplankton and environmental data were collected approximately every other month from spring 2000 to winter 2002. Ten stations were repeatedly sampled along a 110-km cross-shelf transect, including four stations in the vicinity of Gray’s Reef National Marine Sanctuary. Correspondence analysis (CA) on untransformed community data identified two seasonal (warm weather [spring, summer, and fall] and winter) and three cross-shelf larval assemblages (inner-, mid-, and outer-shelf ). Five environmental factors (temperature, salinity, density, depth of the water column, and stratification) were related to larval cross-shelf distribution. Specifically, increased water column stratification was associated with the outer-shelf assemblage in spring, summer, and fall. The inner shelf assemblage was associated with generally lower temperatures and lower salinities in the spring and summer and higher salinities in the winter. The three cross-shelf regions indicated by the three assemblages coincided with the location of three primary water masses on the shelf. However, taxa occurring together within an assemblage were transported to different parts of the shelf; thus, transport across the continental shelf off the coast of Georgia cannot be explained solely by twodimensional physical factors.

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Mode of access: Internet.

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Library copy of guide is a photocopy (67 p. of [35] leaves ; 28 cm.)

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Document no. 1 in U.S. 13th Congress, 3d session, 1814-1815. House.

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November 4, 1812. Read, and ordered to be printed. Includes Documents accompanying the Message of the President of the United States to the two Houses of Congress, at the opening of the second session of the twelfth Congress United States. 12th Congress, 2nd session, 1812-1813. House.; United States. 12th Congress, 2nd session, 1812-1813. Senate.; United States. Congress. House.; United States. Congress. Senate. Printed by A. and C. Way

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Document no. 1 in U.S. 13th Congress, 3d session, 1814-1815. House. September 20, 1814. Read and committed to a committee of the whole House on the State of the Union. Printed by Roger C. Weightman