Search Results - "Jumars, P.A."

Bioavailability of Sedimentary Contaminants Subject to Deposit-Feeder Digestion by Mayer, Lawrence M, Chen, Zhen, Findlay, Robert H, Fang, Jiasong, Sampson, Stephen, Self, Robert F. L, Jumars, Peter A, Quetél, Christophe, Donard, Olivier F. X

“…Contaminants in sediments are less available than their concentrations might imply, but measures of this availability have been generally lacking. Sediments…”
Get full text

A Predictive Model of Bacterial Foraging by Means of Freely Released Extracellular Enzymes by Y. A. Vetter, Deming, J. W., Jumars, P. A., B. B. Krieger-Brockett

“…Extracellular enzymes are important agents for microbial foraging and material cycling in diverse natural and man-made systems. Their abundance and effects are…”
Get full text

Genetic Diversity of Attached Bacteria in the Hindgut of the Deposit-Feeding Shrimp Neotrypaea (Formerly Callianassa) californiensis (Decapoda: Thalassinidae) by W. W. Y. Lau, Jumars, P. A., Armbrust, E. V.

“…Microbial colonization of marine invertebrate guts is widespread, but in general the roles that these bacteria play in the nutrition of their hosts are…”
Get full text

High Concentrations of Complexed Metals in the Guts of Deposit Feeders by Chen, Zhen, Mayer, Lawrence M., Quetel, Christophe, Olivier F. X. Donard, Robert F. L. Self, Jumars, Peter A., Weston, Donald P.

“…Sediment particles passing through the guts of deposit feeders are subject to an environment unusually rich in dissolved organic material, especially…”
Get full text

Modeling animal guts as chemical reactors by Penry, Deborah L., Jumars, Peter A.

“…Chemical-reactor theory recognizes three ideal reactor types: batch reactors, which are filled with reactants, continuously stirred during the reaction, and…”
Get full text

Variable Ingestion Rate and Its Role in Optimal Foraging Behavior of Marine Deposit Feeders by Taghon, Gary L., Jumars, Peter A.

“…Tests of optimal foraging theory have focused generally on food item selection by mobile, high—trophic—level predators. Deposit—feeding invertebrates are…”
Get full text

Induction of Suspension Feeding in Spionid Polychaetes by High Particulate Fluxes by Taghon, Gary L., Arthur R. M. Nowell, Jumars, Peter A.

“…The feeding behavior of three species of spionid polychaetes varied with water velocity. At moderate flows the worms ceased deposit feeding, formed their…”
Get full text

Predicting Particle Selection by Deposit Feeders: A Model and its Implications by Taghon, Gary L., Robert F. L. Self, Jumars, Peter A.

“…A feeding model for a generalized, benthic deposit feeder is derived from a filter-feeding model and used to predict how such a deposit feeder would adjust its…”
Get full text

The foraging strategy of a subtidal and deep-sea deposit feeder [Amphicteis scaphobranchiata] by Nowell, A.R.M, Jumars, P.A, Fauchald, K

“…The ampharetid polychaete Amphicteis scaphobranchiata is a marine, surface-deposit feeder inhabiting cohesive sediments from continental shelf depths off…”
Get full text

Tidal modulation of nocturnal vertical migration from the benthos: a high resolution acoustic analysis by Taylor, L.E., Shellito, S.M., Jumars, P.A.

“…Emergence-trap sampling has shown that several species living primarily on or in the sediment emerge nightly into the water column. A TRACOR acoustic profiler,…”
Get full text

The relation of benthic communities to radioactive waste disposal in the deep sea by Hessler, R.R. (Scripps Inst. of Oceanography, La Jolla, Calif. (USA)), Jumars, P.A

“…One of the most difficult problem areas coupled with utilization of nuclear energy is radioactive waste disposal. A potentially realistic solution for…”
Get full text