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Relationships between Channel Characteristics, Woody Debris, and Fish Habitat in Northwestern Washington Streams
Abstract Relationships between large woody debris (LWD) and pool area or pool spacing varied with channel slope and channel width for streams in second-growth forests in northwest Washington. Pool… Expand
The adsorption of plutonium IV and V on goethite
Abstract The adsorption of Pu(IV) and Pu(V) on goethite (αFeOOH) from NaNO3 solution shows distinct differences related to the different hydrolytic character of these two oxidation states. Under… Expand
Temporal dynamics in foraging behavior of a pelagic predator
The data provide a convincing empiri- cal example of the activation and inactivation of trophic links occurring on short time scales as a result of dynamic foraging and help to explain the commonness of high-complexity food webs. Expand
Accumulation and transfer of copper by Oocystis pusilla
Relationship between abundance, growth, egg size and fecundity in a landlocked population of longfin smelt, Spirinchus thaleichthys
Sixteen year-classes of longfin smelt, Spirinchus thaleichthys, show a consistent pattern of alternating year-class strength between even (strong) and odd (weak) years, which is considered to result from a reduction in the abundance of mysids, a preferred prey species. Expand
DENSITY‐DEPENDENT VERTICAL MIGRATION IN THE FRESHWATER DINOFLAGELLATE PERIDINIUM PENARDII (LEMM.) LEMM. FO. CALIFORNICUM JAVORN. 1, 2
The freshwater dinoflagellate Peridininm penardii (Lemm.) Lemm. fo. californicum Javorn. has a positively phototactic diel migration. The extent of migration seems to vary with population density.
Impact of Predation by Smallmouth Bass on Sockeye Salmon in Lake Washington, Washington
Abstract In the Lake Washington basin, run sizes of sockeye salmon Oncorhynchus nerka and other anadromous salmon species declined during the 1980s. Reduced survival of juvenile sockeye salmon in the… Expand
Copper Dynamics and the Mechanism of Ecosystem Level Recovery in a Standardized Aquatic Microcosm.
- J. Meador, F. Taub, T. Sibley
- Biology, Medicine
- Ecological applications : a publication of the…
- 1 February 1993
The results indicate that a resistant algal species was crucial for initiating the recovery sequence in these microcosms and that the timing of D. magna blooms was variable but highly correlated with decreasing ionic copper. Expand
Application of distribution coefficients to radiological assessment models
Copper tolerance by the freshwater algal species Oocystis pusilla and its ability to alter free-ion copper
The primary mechanism allowing O. pusilla to reduce ionic-copper activity in culture solutions and microcosms was the release of organic copper-complexing ligands and that biomass sorption may have been important only at very high cell densities. Expand