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Articles 61 - 65 of 65
Full-Text Articles in Animal Sciences
Sexual Dimorphism, Diet, And Body Condition Of Rusty Blackbirds Wintering In Virginia, Andrew John Mcgann
Sexual Dimorphism, Diet, And Body Condition Of Rusty Blackbirds Wintering In Virginia, Andrew John Mcgann
Dissertations, Theses, and Masters Projects
No abstract provided.
Early Spat On Shell Setting, Rufus H. Ruark
Early Spat On Shell Setting, Rufus H. Ruark
Reports
Setting for spat on shell typically beings when water temperatures reach about 20° C. This optimal temperature is normally reached in Virginia's climate by May. Setting spat on shell is completed by September; this gives the spat just enough time to grow before the cold of winter puts them in hibernation. Hatcheries start spawning oysters as early as February. By heating the water and adding food they can successfully produce millions of larvae during the cold winter months. When the ambient water temperature rises it brings more food but in many cases poor water conditions. Unfortunately, in the heat of …
Market Development For Cownose Ray, C.Meade Amory
Market Development For Cownose Ray, C.Meade Amory
Reports
During this past season we purchased roughly 261,602 lbs of Ray from several fishermen with an average weight of 33 lb. The original goal was to purchase 200,000. Lbs, from fisherman. Do to some large landings we reached the goal with more then 2 months left in the season. Having developed good retail sales through Wegamns we continued to buy Ray to try and keep this market open. This accounts for approximately 8,000 Rays when added to the Rays purchased from other packing companies around the Bay. Of 47 separate purchases directly from fisherman, 9 of these were between I …
Northeast Area Monitoring And Assessment Program (Neamap) Prey Species 2006-2012, Northeast Area Monitoring And Assessment Program
Northeast Area Monitoring And Assessment Program (Neamap) Prey Species 2006-2012, Northeast Area Monitoring And Assessment Program
Reports
Identification and guide to stomach contents in species captured in monitoring studies.
Estimation Of Juvenile Striped Bass Relative Abundance In The Virginia Portion Of Chesapeake Bay, January 2011-December 2011 : Annual Progress Report, Leonard S. Machut, Mary C. Fabrizio
Estimation Of Juvenile Striped Bass Relative Abundance In The Virginia Portion Of Chesapeake Bay, January 2011-December 2011 : Annual Progress Report, Leonard S. Machut, Mary C. Fabrizio
Reports
The 2011 striped bass juvenile abundance index is 27.09 and is significantly higher than the historic average of 7.92. Unlike previous years, the 2011 York River index was the highest among Virginia watersheds with high recruitment in both the Pamunkey and Mattaponi rivers. All individual river JAI values were significantly higher than their respective historic averages except for the Chickahominy River which was not significantly different from its historic average. This suggests a strong year class was produced in the Virginia portion of Chesapeake Bay in 2011. Sampling of auxiliary stations provides greater spatial coverage of the nursery grounds and …