Now showing items 1-10 of 4858
The pygmy owl of the District of Soconusco, Chiapas
(University of Michigan Museum of Zoology, 1941)
A new Gastrotheca from Columbia
(University of Michigan Museum of Zoology, 1933)
Microbial Cycling of C and N in Northern Hardwood Forests Receiving Chronic Atmospheric NO 3 − Deposition
(Springer-Verlag; Springer Science+Business Media, Inc., 2006-03)
Sugar maple ( Acer saccharum Marsh.)-dominated northern hardwood forests in the upper Lakes States region appear to be particularly sensitive to chronic atmospheric NO 3 − deposition. Experimental NO 3 − deposition (3 g ...
Amino acid substitution and chemical characterization of a Japanese variant of carbonic anhydrase I: CA I Hiroshima-1 (86 Asp → Gly)
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1981-06)
An electrophoretic variant of red cell carbonic anhydrase I, designated CA I Hiroshima-1, has been observed in 12 apparently unrelated individuals during a survey of 13,019 individuals from the cities of Hiroshima and ...
Endangered species update, 7:6 (April 1990)
(University of Michigan, School of Natural Resources, 1990-04)
Role of gangliosides in gonadotropin and cholera enterotoxin stimulated steroidogenesis in isolated rat ovarian cells
Ovarian cells isolated from 26 day old rats responded to hCG (10 ng/ml) and cholera enterotoxin (100 ng/ml) with a forty-five to fifty-fold increase in progesterone production. Both cholera enterotoxin and hCG-stimulated ...
A comparison of the responses of two tropical specialist herbivores to host plant patch size
The effects of host plant patch size on the abundances of two specialist herbivores (the chrysomelid beetle, Acalymma innubum and the pentatomid bug, Piezosternum subulatum ) were investigated in a natural forest community ...
Comparative recoveries of airborne fungus spores by viable and non-viable modes of volumetric collection
(Kluwer Academic Publishers; Dr. W. Junk bv - Publishers ; Springer Science+Business Media, 1977-01)
The suitability of viable and non-viable volumetric collectors as prevalence indicators for potentially allergenic airborne fungi was studied during 124 paired exposures of the Burkard (Hirst) spore trap and a modified, ...
Diagnosis and prevalence of uterine leiomyomata in female chimpanzees ( Pan troglodytes )
(Wiley Subscription Services, Inc., A Wiley Company, 2011-07)
Uterine leiomyomata are common, affecting 70–80% of women between 30 and 50 years of age. Leiomyomata have been reported for a variety of primate species, although prevalence rates and treatments have not been widely ...
Social interactions between captive adult male and infant lowland gorillas: Implications regarding kin selection and zoo management
(John Wiley & Sons, Inc., 1999)
Interactions between unrelated and related silverback-infant dyads are compared in an attempt to assess the influence that kinship may have on male parental behavior. Observational data were collected on each member of two ...