INHS - Bulletins 1950s

Bulletins from the 1950s

The Illinois Natural History Survey Bulletin has been published continuously since 1876. This peer-reviewed journal reports on significant research findings by INHS scientists and others in the natural sciences. It is our premier scientific serial and has a worldwide distribution. Professional researchers and graduate students contribute to and utilize this series.

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INHS B27-01: Ecological Life History of the Warmouth (Centrarchidae)

Author: Larimore, R.W.
1957; 83 pages.

The ecological life history of the warmouth, Chaenobryttus gulosus (Cuvier), was studied intensively in two habitats of Central Illinois: Venard Lake, a 3.2-acre artificial impoundment stocked only with warmouths and largemouth bass, and Park Pond, and 18-acre flooded stripmine area containing a fish population of 36 species. The intensive investigations in these two areas were supplemented by observations in other habitats and by published records on warmouth habitats and populations.


INHS B26-05: Hill Prairies of Illinois

Author: Evers, R.A.
1955; 79 pages.

These authors were only concerned with the local occurrences of hill prairies in Illinois. They did not report on the extent of hill prairies in the state, nor did they report in detail on the flora of the hill prairies, the characteristic plants, relative abundance, presence and space relations as determinable in plot studies, or the origin and history of hill prairies. In order to obtain the necessary information for a study of these characteristics of hill prairies and for a description of hill prairie vegetation in Illinois, the writer made numerous plant collections and plant identifications from 61 hill prairies, fig. 1, having a combined area of more than 200 acres. Detailed data pertaining to the vegetation were obtained from two prairies by use of plot studies, as explained in a later section of this paper.


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