Now showing items 21-30 of 5055
Germinal development in the sporocysts and rediae of the digenetic trematodes
(Elsevier, 1954-03)
Endangered species update, 11:10 (August 1994)
(University of Michigan, School of Natural Resources, 1994-08)
Integrative measures of consumption rates in salmon: expansion and application of a trace element approach
(Blackwell Science Ltd, 2004-10)
1. Establishing reliable estimates of consumption is necessary for understanding the physiology, bioenergetics and trophic relationships of organisms. For fish, the inability to measure consumption directly prevents a ...
‘Floral’ scent production by Puccinia rust fungi that mimic flowers
(Blackwell Science Ltd, 1998-09)
Thermal adjustments in cardiac and skeletal muscles of lizards
(Springer-Verlag, 1969-03)
1. Isometric twitch tension development was measured over a wide range of temperatures in skeletal and cardiac (ventricular) muscles from diverse Australian lizards representing several families and including both diurnal ...
Appetitive determinants of self-stimulation
(Elsevier, 1978-08)
Previous reports have pointed to a biologically meaningful relationship between brain-stimulated reward and appetitive motivation such as feeding. The present experiments further examined this relationship in chronically ...
Cysteine 265 Is in the Active Site of, But Is Not Essential for Catalysis by tRNA-Guanine Transglycosylase (TGT) from Escherichia coli
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1997-01)
Site-directed mutagenesis and X-ray absorption spectroscopy studies have previously shown that the tRNA-guanine transglycosylase (TGT) from Escherichia coli is a zinc metalloprotein and identified the enzymic ligands to ...
The distribution of Heterotrissocladius oliveri Saether (Diptera: Chironomidae) in Lake Michigan
(Kluwer Academic Publishers; Dr W. Junk Publishers ; Springer Science+Business Media, 1986-02)
Fifty one chironomid species were identified from 504 samples collected at depths ranging 8 to 267 m in Lake Michigan, U.S.A. Heterotrissocladius oliveri Saether occurred in 32% of these samples and had an average abundance ...
Developing an interdisciplinary and cross‐sectoral community of practice in the domain of forests and livelihoods
(Transaction PublishersWiley Periodicals, Inc., 2018-02)
Although significant resources are being spent researching and fostering the relationship between forests and livelihoods to promote mutually beneficial outcomes, critical gaps in understanding persist. A core reason for ...
Optimal foraging and fitness in Columbian ground squirrels
(Springer-Verlag, 1990-01)
Optimal diets were determined for each of 109 individual Columbian ground squirrels ( Spermophilus columbianus ) at two sites in northwestern Montana. Body mass, daily activity time, and vegetation consumption rates for ...