Search Results - "Margraf, F. Joseph"

Bioelectrical Impedance Analysis: A New Tool for Assessing Fish Condition by Hartman, Kyle J, Margraf, F. Joseph, Hafs, Andrew W, Cox, M. Keith

“…Bioelectrical impedance analysis (BIA) is commonly used in human health and nutrition fields but has only recently been considered as a potential tool for…”
Get full text

Remote-Sensing, GIS-Based Approach to Identify, Characterize, and Model Spawning Habitat for Fall-Run Chum Salmon in a Sub-Arctic, Glacially Fed River by Wirth, Lisa, Rosenberger, Amanda, Prakash, Anupma, Gens, Rudiger, Margraf, F. Joseph, Hamazaki, Toshihide

“…At northern limits of a species’ distribution, fish habitat requirements are often linked to thermal preferences, and the presence of overwintering habitat…”
Get full text

Assessing Fish Populations in Remote Subarctic Lakes Using Hydroacoustics by Hartman, Kyle J., Margraf, F. Joseph

“…High latitudes of North America and Asia have many unstudied small lakes. The remoteness of these lakes presents a challenge to biologists who manage these…”
Get full text

Spatial and Temporal Patterns in the Diet of Striped Bass in Chesapeake Bay by Overton, Anthony S., Margraf, F. Joseph, May, Eric B.

“…We collected striped bass Morone saxatilis from 1998 to 2001 (n = 2,703) and compared the seasonal feeding patterns of four size‐groups (small [150‐300 mm…”
Get full text

Chronicling Long-Term Predator Responses to a Shifting Forage Base in Chesapeake Bay: An Energetics Approach by Overton, Anthony S, Griffin, Jennifer C, Margraf, F. Joseph, May, Eric B, Hartman, Kyle J

“…The population of Striped Bass Morone saxatilis in Chesapeake Bay has increased significantly since the 1980s because of management efforts while the relative…”
Get full text

The diet of Chesapeake Bay striped bass in the late 1950s by Griffin, J. C., Margraf, F. J.

“…The diet of Chesapeake Bay striped bass, (Morone saxatilis) Walbaum, based on unpublished stomach content data from 916 fish collected between 1955 and 1959…”
Get full text

The influence of diet, consumption and lipid use on recruitment of white bass by Eckmayer, William J., Margraf, F. Joseph

“…The abundance of white bass (Morone chrysops) in Lake Erie has declined in recent years, sparking interest in mechanisms influencing its recruitment. We…”
Get full text

A Sampler for Capturing Larval and Juvenile Atlantic Menhaden by Hedrick, James D., Hedrick, L. Ras, Margraf, F. Joseph

“…Interest in capturing larval and juvenile Atlantic menhaden Brevoortia tyrannus for use in laboratory studies required the design and construction of a…”
Get full text

Effects of nutrient enrichment on channel catfish growth and consumption in Mount Storm Lake, West Virginia by Blanc, Todd J., Margraf, F. Joseph

“…With the objective of augmenting fish production in Mount Storm Lake, Virginia Electric and Power Company initiated a programme of phosphorus addition to…”
Get full text

Aging Early Age-0 White Bass (Morone chrysops) by Daily Otolith Increment Analysis by Eckmayer, William J., Margraf, F. Joseph

“…Lake Erie Age-0 white bass (Morone chrysops) otoliths expressed daily growth increments; however, the formation of accessory primordia limited aging to the…”
Get full text

Foraging Characteristics of Larval Bluegill Sunfish and Larval Longear Sunfish in the Kanawha River, West Virginia by Rider, Steven J., Margraf, F. Joseph

“…We determined spatial and temporal foraging characteristics of larval bluegill sunfish ( Lepomis macrochirus ) and longear sunfish ( Lepomis megalotis )in the…”
Get full text

Dynamics of Ichthyoplankton in the Kanawha River, West Virginia by Rider, Steven J., Margraf, F. Joseph

“…Ichthyoplankton distribution and abundance were examined in the upper Kanawha River in the main channel, main-channel border (nearshore), and shoreline…”
Get full text

Growth responses of age 0 white perch and yellow perch from field-enclosure experiments by PARRISH, D. L, MARGRAF, F. J

Get full text

Gastric evacuation rates of white perch, Morone americana, determined from laboratory and field data by PARRISH, D. L, MARGRAF, F. J

“…Gastric evacuation rates (R) of white perch, Morone americana , were determined in laboratory experiments and by using field data. The resulting relationship…”
Get full text

Population Characteristics of the Invading White Perch ( Morone Americana) in Western Lake Erie by Schaeffer, Jeffrey S., Margraf, F. Joseph

“…The white perch ( Morone americana) is an East Coast estuarine species that invaded Lake Erie in the 1950s, but did not increase in abundance until the mid…”
Get full text