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BACKGROUND Umbilical cord blood (UCB) is an important source of hematopoietic stem cells (HSCs). However, the concentration of cells in cord blood units is limited and this may represent the main restriction to their therapeutic clinical use. The percentage of metabolically active stem cells provides a measure of the viability of cells in an UCB sample. It(More)
The Attawapiskat River is one of the major rivers entering James Bay, Canada. Wetlands of the lower 12 km portion of the river were studied between the Cree Indian village of Attawapiskat and James Bay. This portion contains both freshwater, freshwater tidal and brackish/saline wetlands along a gradient downstream to the river mouth. Due to the high flow of(More)
Few studies have been made of the salt marshes of Hudson Bay. Kershaw (1976) has described the salt marshes of Pen Island near the Ontario-Manitoba border (Fig. [). Other salt marsh studies have been made in the Churchill, Manitoba area by Ritchie (1957), Schof[eld (1959) and Jefferies (1979). These studies were reviewed in terms of other salt marshes found(More)
A study was made of the vegetation of four river-influenced coastal marshes located between the Moose River and Harricanaw River in southern James Bay. Six major grouping of species were found. These include: 1. a salt marsh dominated byPuccinellia phryganodes, P. lucida, Hippuris tetraphylla. andScirpus maritimus. 2. saline ponds withSenecio congestus, 3.(More)
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