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Filter Total Items: 3374

Marsh vertical accretion in a Southern California Estuary, U.S.A

Vertical accretion was measured between October 1992 and March 1994 in low and high saltmarsh zones in the north arm of Tijuana estuary from feldspar market horizons and soil corings. Accretion in the Spartina foliosa low marsh (2-8.5 cm) was related almost entirely to episodic storm-induced river flows between January and March 1993, with daily tidal flooding contributing little or no sediment du
Authors
Donald R. Cahoon, J.C. Lynch, A.N. Powell

Interaction of productivity and consumption

Abstract not supplied at this time
Authors
D.L. DeAngelis, L. Persson, A.D. Rosemond

Mortality estimates of striped bass caught in Albemarle Sound and Roanoke River, North Carolina

A statistical analysis of the age composition of striped bass Morone saxatilis harvested in Albemarle Sound and the Roanoke River, North Carolina. indicated that in 1988–1992 the population experienced a relatively high rate of total mortality. Age-3 and older fish were estimated to have been fully vulnerable to fishing mortality and to have experienced a total instantaneous mortality rate of 1.04
Authors
Robert M. Dorazio

Technology transfer opportunities : new development : new protocol verifies sterility of newly hatched fish

U.S. Geological Survey's Biological Resources Disicipline scientists have developed a procedure that could save commercial producers of triploid grass carp between $2000 and $3000 per pond. Since 1983, triploid grass carp have been commercially available for managing aquatic weeds that can cause water quality problems, replace native plants, or impede recreational and commercial use of fisheries a
Authors
J.A. Jenkins