Master's Theses

Date of Award

Summer 1981

Degree Name

Master of Science (MS)

Department

Biology

Advisor

Jerry R. Choate

Abstract

Shrews of the genus Blarina from Iowa, Kansas, and Missouri were studied morphometrically and karyologically. The ranges of the two species, B. brevicauda and B. hylophaga, were found to be sympatric in a broad zone across southern Iowa and northern Missouri. Morphometric analyses revealed an unexpectedly large amount of cranial variation in B. brevicauda, and confirmed the presence of that species in the Kansas River Valley of northeastern Kansas. Considerable mensural overlap was found in geographic areas in which B. hylophaga and B. brevicauda are sympatric, evincing the need for further karyotopic and morphometric studies in those areas.

Rights

Copyright 1981 Nancy D. Moncrief

Comments

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