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PS-3: Non-Program actions (e.g., harvest, stocking, Missouri River conditions) determine the <br />occurrence of pallid sturgeon the lower Platte River. <br />The lower Platte River and the Missouri River are directly connected systems and studies <br />in the Platte River have indicated that the pallid sturgeon populations are directly <br />connected as well. Coordination of study methods between the Missouri River and the <br />lower Platte River would aid in documenting the degree to which Non-Program actions <br />(and program actions) determine the occurrence of pallid sturgeon the lower Platte River. <br />Taxonomy and Identification: <br />The pallid sturgeon was originally described as Parascaphirhynchus albus (Forbes and <br />Richardson 1905) from nine specimens collected in the Mississippi River near the mouth of the <br />Missouri river. In 1911 L.S. Berg (cited in (Bailey and Cross 1954; Keenlyne 1996)) determined <br />that both North American species of river sturgeons S. platorynchus and S. albus should be <br />placed in the genus Scaphirhynchus. From 1951 to 1961 the specific name of the pallid sturgeon <br />was changed to album, but since 1961 it was returned to albus by action of the International <br />Code of Zoological Nomenclature (Bailey and Allum 1962). <br />The North American species of the genus Scaphiryhnchus have been placed in the sub- <br />family Sacphirhynchinae in the family Acipenseridae. Several species of Asiatic sturgeons are <br />classified in the genus Pseudoscaphirhynchus, but recent genetic studies indicate that their