Search Results - "Houser, D.S."

A method for modeling marine mammal movement and behavior for environmental impact assessment by Houser, D.S.

“…Estimating the impact of anthropogenic sound on marine animals entails consideration of animal location in the vertical and horizontal planes and the behavior…”
Get full text

Influence of season, age, sex, and time of day on the endocrine profile of the common bottlenose dolphin (Tursiops truncatus) by Houser, D.S., Champagne, C.D., Wasser, S.K., Booth, R.K., Romano, T., Crocker, D.E.

“…•Seasonality influences dolphin thyroid hormone, catecholamines, cortisol and ACTH.•Strong seasonal effects show complex interactions with dolphin age and…”
Get full text

Variation in adrenal and thyroid hormones with life-history stage in juvenile northern elephant seals (Mirounga angustirostris) by Jelincic, J.A., Tift, M.S., Houser, D.S., Crocker, D.E.

“…•We examined adrenal and thyroid hormones in fasting and molting juvenile elephant seals.•Cortisol concentrations varied widely with life history…”
Get full text

In-air evoked potential audiometry of grey seals (Halichoerus grypus) from the North and Baltic Seas by Ruser, Andreas, Dähne, Michael, Sundermeyer, Janne, Lucke, Klaus, Houser, Dorian S, Finneran, James J, Driver, Jörg, Pawliczka, Iwona, Rosenberger, Tanja, Siebert, Ursula

“…In-air anthropogenic sound has the potential to affect grey seal (Halichoerus grypus) behaviour and interfere with acoustic communication. In this study, a new…”
Get full text

Differential changes of fat-soluble vitamins and pollutants during lactation in northern elephant seal mother–pup pairs by Debier, Cathy, Crocker, Daniel E., Houser, Dorian S., Vanden Berghe, Marie, Fowler, Melinda, Mignolet, Eric, de Tillesse, Tanguy, Rees, Jean-François, Thomé, Jean-Pierre, Larondelle, Yvan

“…We investigated the changes of vitamins A and E as well as PCBs and DDTs during lactation in northern elephant seal (Mirounga angustirostris) mother–pup pairs…”
Get full text

Can Diving-induced Tissue Nitrogen Supersaturation Increase the Chance of Acoustically Driven Bubble Growth in Marine Mammals? by HOUSER, D.S., HOWARD, R., RIDGWAY, S.

“…The potential for acoustically mediated causes of stranding in cetaceans (whales and dolphins) is of increasing concern given recent stranding events…”
Get full text

Evidence that a 550,000-dalton cartilage matrix glycoprotein is a chondrocyte membrane-associated protein closely related to ceruloplasmin by FIFE, R. S, KLUVE-BECKERMAN, B, HOUSER, D. S, PROCTOR, C, LIEPNIEKS, J, MASUDA, I, MCCARTY, D. J, RYAN, L. M

“…Cartilage matrix glycoprotein (CMGP) is a disulfide-bonded 550,000-dalton protein that is synthesized by chondrocytes and ciliary epithelial cells. We have…”
Get full text

Optimization of a dolphin hearing model to relative sensitivity and frequency discrimination through simple aggregate selection by Houser, D.S., Helweg, D.A., Moore, P.W.B.

“…Dolphins demonstrate a broad range of hearing (>120 kHz), a remarkable frequency-dependent auditory sensitivity, and a fine degree of frequency discrimination…”
Get full text

Application of the Biosonar Measurement Tool (BMT) and Instrumented Mine Simulators (IMS) to exploration of dolphin echolocation during free-swimming, bottom-object searches by Martin, S., Phillips, M., Bauer, E., Moore, P., Houser, D.S.

“…Data have been collected from two dolphins engaged in free-swimming, bottom-object searches in conjuction with the deployment of both the BMT and IMS systems…”
Get full text

Creation of a biomimetic model of dolphin hearing through the use of evolutionary computation by Houser, D.S., Helweg, D.A., Chellapilla, K., Moore, P.W.B.

“…Niche exploitation by an organism cumulatively results from its existing adaptations and phylogenetic history. The biological sonar of dolphins is an…”
Get full text