Birds of Indian Subcontinent

Relationships between Inorganic Ions and the Distribution of Pheasants in Illinois

Publication Type:Journal Article
Year of Publication:1969
Authors:Anderson, WL, Stewart, PL
Journal:The Journal of Wildlife Management
Date Published:1969
ISBN Number:0022541X
Keywords:Phasianidae, Phasianus, Phasianus colchicus
Abstract:The relationships between inorganic ions and the distribution of ring-necked pheasants (Phasianus colchicus) in Illinois were investigated by comparing concentrations of 24 elements in soil, grit, corn, and tissues of pheasants collected from good (Sibley), fair (Humboldt), and poor (Neoga) pheasant range. Concentrations in soil and in grit indicated that Ca, Fe, and Ni, and perhaps Mg and K, were potentially less abundant in diets of Neoga pheasants than in those of Sibley birds. Conversely, Pb, Mn, Sr, and Zn, and perhaps Cd, Cr, Cu, Mo, and V, were potentially more abundant in diets at Neoga than at Sibley. Elemental concentrations in soil and in grit from Humboldt were, for the most part, intermediate between concentrations in these materials at Sibley and Neoga. Concentrations of major elements (Ca, Mg, P, K, and Na) in internal organs were from 12 to 34 percent lower in Neoga pheasants, and from 4 to 20 percent lower in Humboldt pheasants, than in birds from Sibley. Four of these elements, Mg excluded, were also slightly less abundant in bones of pheasants from Neoga than in those of Sibley birds. Three trace elements (Ba, Mn, and Ti) were less than half as abundant, and five (Cr, Pb, Ni, V, and Zr) at least twice as abundant, in blood, livers, or kidneys from Neoga pheasants as in these tissues from Sibley birds. Concentrations of Co and of Mo in blood, livers, and kidneys of Neoga and Sibley pheasants exhibited conflicting area-to-area differences. Of the elements studied, suspicion is directed toward Ca, Mg, K, Cr, Co, and Mo as possibly influencing the distribution of pheasants in Illinois.
Short Title:The Journal of Wildlife Management
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith