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Filtering by: Alternative title ssim Circular of information no. 254 Creator Grove, Robert Allan Degree Name Doctor of Philosophy (Ph.D.)

Environmental contaminants in male river otters collected from Oregon and Washington, 1994-99, with reproductive organ hypoplasia observed in otter males

Creator:

Grove, Robert Allan

Abstract:

A large number of river otter (Lontra canadensis) males were collected from areas of high and low contaminant concentrations throughout western Oregon and Washington during the fall and winter of 1994-99. Few significant non-reproductive organ morphometric differences were found in the large series of male otters collected, except for adrenal...

Resource Type:

Dissertation

Full Text:

spermatozoa were observed in yearling testes as early as the first week of December. No morphological
Environmental contaminants in male river otters collected from Oregon and Washington, 1994-99, with reproductive organ hypoplasia observed in otter males

Creator:

Grove, Robert Allan

Abstract:

A large number of river otter (Lontra canadensis) males were collected from areas of high and low contaminant concentrations throughout western Oregon and Washington during the fall and winter of 1994-99. Few significant non-reproductive organ morphometric differences were found in the large series of male otters collected, except for adrenal...

Resource Type:

Dissertation

Full Text:

as early as the first week of December. No morphological reproductive tract abnormalities were noted