scholarly journals Low prevalence of splenic mycobacteriosis in migratory striped bass Morone saxatilis from North Carolina and Chesapeake Bay, USA

2010 ◽  
Vol 90 (3) ◽  
pp. 181-189
Author(s):  
MA Matsche ◽  
A Overton ◽  
J Jacobs ◽  
MR Rhodes ◽  
KM Rosemary
Keyword(s):  
North Carolina ◽  
Chesapeake Bay ◽  
Striped Bass ◽  
Morone Saxatilis ◽  
Low Prevalence

scholarly journals Predicting Weights of Striped Bass Morone Saxatilis in the Roanoke River, North Carolina

2011 ◽  
Vol 127 (3) ◽  
pp. 216-218
Author(s):  
DANIEL R. MEADS ◽  
MAURICE K. CRAWFORD ◽  
KEVIN J. DOCKENDORF
Keyword(s):  
North Carolina ◽  
Striped Bass ◽  
Morone Saxatilis ◽  
Data Set ◽  
Male And Female ◽  
Qualitative And Quantitative ◽  
Total Length ◽  
Roanoke River ◽  
Online Calculator ◽  
Weight Data

Abstract Total length and weight data of striped bass were sampled by boat electrofishing during the months of April and May (2007–2009) in the Roanoke River near Weldon, NC. Qualitative and quantitative measures were used to exclude errors and outliers from the data set; data were then log10 transformed to calculate length-weight regressions for each sex. These regressions predicted the weights of male and female striped bass. Our results were compared to striped bass collected from the B. Everett Jordan Reservoir in 2008 and found significant differences between slopes indicating that applying length-weight equations derived from striped bass collected in reservoirs to estuarine striped bass is inappropriate. The equations developed can be used in an online calculator that would allow anglers to estimate the weight of striped bass caught in the Roanoke River during the spring based on the length of the fish caught.

Studies on Ergasilus labracis Krøyer (Cyclopidea: Ergasilidae) parasitic on striped bass, Morone saxatilis, from the lower Chesapeake Bay. I. Distribution, life cycle, and seasonal abundance

1976 ◽  
Vol 54 (4) ◽  
pp. 449-462 ◽  
Author(s):  
I. Paperna ◽  
D. E. Zwerner
Keyword(s):  
Life Cycle ◽  
Chesapeake Bay ◽  
Striped Bass ◽  
Egg Production ◽  
Developmental Stages ◽  
Morone Saxatilis ◽  
Early Spring ◽  
Seasonal Abundance ◽  
Free Living ◽  
Winter Peak

Information on the distribution, life cycle, and seasonal abundance of the copepod Ergasilus labracis Krøyer, parasitic on the gills of lower Chesapeake Bay striped bass, Morone saxatilis (Walbaum), is presented after a 12-month survey. The overall prevalence of E. labracis was 90% in all localities sampled and it was found to be as euryhaline as its host; it has been found in salinities from 0.l‰ to 32.0‰. E. labracis was present and reproductively active throughout the year, suffering only a temporary slowdown in egg production at the beginning of the winter. Peak invasion of striped bass gills by infective larvae occurred during April and May; minor peaks were also recorded during July and October. The free-living stage was estimated to last as long as 6 weeks during early spring. Duration of other developmental stages was also extrapolated. Attempts to rear larvae in the laboratory past the metanauplius stage failed. Larvae could be kept for a maximum of 23 days after hatching if fed nannoplankton and kept at 20 °C in river water of 16–18‰.

Density-dependent regulation of year-class strength in age-0 juvenile striped bass (Morone saxatilis)

2012 ◽  
Vol 69 (3) ◽  
pp. 430-446 ◽  
Author(s):  
E.J. Martino ◽  
E.D. Houde
Keyword(s):  
Chesapeake Bay ◽  
Striped Bass ◽  
Morone Saxatilis ◽  
Winter Temperature ◽  
Density Dependent ◽  
Early Juvenile Stage ◽  
Class Strength ◽  
Dependent Growth ◽  
Overwinter Mortality ◽  
Density Dependent Regulation

Abundance of age-0 striped bass ( Morone saxatilis ) exhibits 50-fold variability in Chesapeake Bay. Processes that act to reduce and thus regulate this variability were investigated. The potential for density-dependent regulation of growth and mortality in the early juvenile stage and its causes were investigated. Data from multiple seine and trawl surveys in upper Chesapeake Bay and tributaries were analyzed to construct growth and mortality indices having a high degree of spatial and temporal resolution. Age-0 mean lengths in September were inversely related to density, ranging from 67.8 mm in 1994, when mean density was 0.036·m–2, to 104.5 mm in 1992, when mean density was 0.003·m–2. Except for the Potomac River, evidence for density-dependent growth was consistent across subpopulations. Bioenergetics modeling indicated that prey consumption was limiting except in low-abundance years. Mortality increased with respect to abundance and also was density-dependent. The significant interaction between age-0 juvenile length in September and subsequent winter temperature on mortality indicated that density-dependent growth leads to size-selective overwinter mortality. A statistical model including age-0 abundances, age-0 lengths, and winter temperature explained a substantial fraction of variability and the mechanisms for regulation of striped bass recruitment.

Food Habits and Growth of Juvenile Striped Bass, Morone saxatilis, in Albemarle Sound, North Carolina

Estuaries ◽  
1998 ◽  
Vol 21 (2) ◽  
pp. 307 ◽  
Author(s):  
John E. Cooper ◽  
Roger A. Rulifson ◽  
J. Jeffrey Isely ◽  
Sara E. Winslow
Keyword(s):  
North Carolina ◽  
Striped Bass ◽  
Food Habits ◽  
Morone Saxatilis ◽  
Albemarle Sound
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