Browsing Biology by Author "Rulifson, Roger"
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Abundance and Viability of Striped Bass Eggs Spawned in Roanoke River, North Carolina, in 1988
Rulifson, Roger (East Carolina University, 1989-10)Sampling to estimate production and viability of striped bass eggs was conducted at Pollock’s Ferry on the Roanoke River, North Carolina, from 10 April to 7 June 1988. Samples were taken by towing paired nets at the surface ... -
Abundance and Viability of Striped Bass Eggs Spawned in Roanoke River, North Carolina, in 1989
Rulifson, Roger (East Carolina University, 1990-11)Sampling to estimate production and viability of striped bass eggs was conducted at Barnhill’s Landing on the Roanoke River, North Carolina, from 15 April to 15 June 1989. Samples were taken by trailing paired nets at the ... -
Abundance and Viability of Striped Bass Eggs Spawned in the Roanoke River, North Carolina in 1991
Rulifson, Roger (East Carolina University, 1993-05)Striped bass spawning activity in the Roanoke River, North Carolina, was documented in 1991 by sampling for eggs at Barnhill’s Landing (River Mile 117), which is just downstream of the spawning grounds between the towns ... -
Abundance and Viability of Striped Bass Eggs Spawned in the Roanoke River, North Carolina, in 1988
Rulifson, Roger (East Carolina University, 1989-10) -
Benthic Biocriteria Assessment of the Lower Roanoke River, North Carolina: A Final Report to Weyerhaeuser Paper Company
Cooper, John E.; Rulifson, Roger (East Carolina University, 1993-10)Recent changes in environmental monitoring procedures of industrial activities suggest that future environmental assessments will be made using biocriteria methodology. Benthic macroinvertebrates have been the most often ... -
Development of Fed and Starved Striped Bass (Morone saxatilis) Larvae from the Roanoke River, North Carolina
Rulifson, Roger; Cooper, John E.; Colombo, Giuseppe (East Carolina University, 1986-07)Fed and unfed striped bass larvae were reared in a laboratory using ambient Roanoke River water to determine differences in growth and development. These differences were used to histologically determine the nutritional ... -
Food and Feeding of Young Striped Bass in Roanoke River and Western Albemarle Sound, North Carolina, 1984-1991
Rulifson, Roger; Cooper, John E.; Stanley, D.W.; Shepherd, M.E.; Wood, S.F.; Daniel, D.D. (East Carolina University, 1992-07) -
Food and Feeding of Young Striped Bass in the Lower Roanoke River and Western Albemarle Sound, North Carolina, 1990-1991
Rulifson, Roger; Stanley, D.W.; Cooper, John E. (East Carolina University, 1992-07)This study was conducted during the springs of 1990 and 1991 to provide information on possible causes of the decline in the Roanoke/Albemarle striped bass stock. Striped bass in this system migrate approximately 130 miles ... -
Life History Aspects of the Hickory Shad (Alosa Mediocris) in the Albemarle Sound/ Roanoke River Watershed, North Carolina
Batsavage, Christopher F.; Rulifson, Roger (East Carolina University, 1998-01)The hickory shad (Alosa mediocris), which supports commercial and recreational fisheries in the Roanoke River and Albemarle Sound, North Carolina, is an anadromous species closely related to the American shad (A. sapidissima). ... -
Listening to Ocean Life
Luczkovich, Joseph J.; Sprague, Mark; Rulifson, Roger (2019-05-30)By using a remotely controlled autonomous vehicle ("Blackbeard" the Acoustic Wave Glider), the authors made recordings of sounds produced by striped cusk eels, sea robins, oyster toadfish, weakfish, red drum, spotted ... -
MONITORING FISH SPAWNING LOCATIONS AND MARINE MAMMAL SOUNDS WITH PASSIVE ACOUSTIC RECORDER ON A WAVE GLIDER
Luczkovich, Joseph J.; Sprague, Mark; Rulifson, Roger (2019-07-08)Remote observations of marine animal behavior have one distinct advantage over direct observations: the observer is not present to disturb the animals. There are no vessel noises, no diver’s bubbles, no people present that ... -
Roanoke River Water Flow Committee Report for 1988 and 1989
Rulifson, Roger; Manooch, Charles III (East Carolina University, 1990-04)A committee of 20 representatives of State and Federal agencies and university scientists was formed in 1988 to gather information on all resources of the lower Roanoke River watershed in North Carolina and to recommend ... -
Roanoke River Water Flow Committee Report for 1991-1993
Rulifson, Roger; Manooch, Charles III (East Carolina University, 1993-11)A Committee of representatives from State and Federal agencies and State universities was formed in 1988 to gather information on natural resources of the lower Roanoke River watershed in North Carolina and to recommend a ... -
Skimmer Trawl Modifications to Reduce Bycatch in the Inshore Brown and Pink Shrimp Fishery in North Carolina
Hines, Kenneth; Rulifson, Roger; Murray, James; Hines, Bob (East Carolina University, 1995-06)A study was conducted during May-June 1995 comparing catch composition of a standard high profile skimmer trawl net (12 fi) and a low profile skimmer trawl net (3 fi) in the North and Newport Rivers, North Carolina. Each ... -
Striped Bass Egg Abundance and Viability in the Roanoke River, North Carolina, and Young-of-Year Survivorship, for 1993
Rulifson, Roger; Isely, Jeffery (East Carolina University, 1995-10)Striped bass spawning activity in the Roanoke River, North Carolina, was documented in 1993 by sampling for eggs at Barnhill's Landing (River Mile 117), which is just downstream of the spawning grounds between the towns ... -
Striped Bass Egg Abundance Viability in Scotland Neck, Roanoke River, North Carolina, for 1991
Rulifson, Roger (East Carolina University, 1992-10)From 15 April to 14 June 1991, annual production and viability estimates of striped bass, Morone saxarilis, eggs spawned in the Roanoke River, North Carolina, were determined by sampling downstream of the spawning grounds ...