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Shoaling as an anti-ectoparasite mechanism in juvenile sticklebacks (Gasterosteus spp.)
It is concluded that ectoparasitism may have been a strong selective factor in the evolution of social behaviour in juvenile sticklebacks.
Diel patterns of fanning activity, egg respiration, and the nocturnal behavior of male three-spined sticklebacks, Gasterosteus aculeatus L. (f. trachurus)
An analysis of egg metabolism in situ revealed positive correlations between rate of egg oxygen consumption and egg age, water temperature, and dissolved oxygen levels, while there was a slight but significant negative correlative with the number of eggs per nest.
Life history and movements of anadromous brook charr, Salvelinus fontinalis, in the St-Jean River, Gaspé, Quebec
It was concluded that anadromous brook charr had a strong homing tendency and fish movements in the estuary were greater during spring tides than neap tides.
Filial cannibalism in fishes: Why do parents eat their offspring?
- G. J. Fitzgerald
- Environmental ScienceTrends in ecology & evolution
A POSSIBLE EXPLANATION FOR THE AGGREGATED DISTRIBUTION OF ARGULUS CANADENSIS WILSON, 1916 (CRUSTACEA: BRANCHIURA) ON JUVENILE STICKLEBACKS (GASTEROSTEIDAE)
It is suggested that infected fish have a greater probability of acquiring more parasites than uninfected fish and this fact, coupled to individual variation in susceptibility to infection among host fish, explains the observed aggregated distribution.
Risk of parasitism and microhabitat selection in juvenile sticklebacks
It is shown that juvenile threespine and blackspotted sticklebacks face higher risks of parasitism by the ectoparasite Argulus canadensis in shallow, vegetated microhabitats and that they can alter their microhabITat distribution in response to parasites.
Shoaling and kin recognition in the threespine stickleback (Gasterosteus aculeatus L.)
Fallow season straw and water management effects on methane emissions in California rice
In response to legislative mandate to reduce postharvest straw burning and environmental concerns to restore wetland habitat for Pacific flyway waterfowl, California rice growers are incorporating…
Kin recognition and choice of shoal mates by threespine sticklebacks
This study addressed five questions concerning kin recognition and shoaling in threespine stickleback Gasterosteus aculeatus fry and found the ability to discriminate sibs from non-sibs did not require experience and the strength of the shoaling preference was modified by events early in life.
Chemical warfare and medical response during World War I.
- G. J. Fitzgerald
- Political ScienceAmerican journal of public health
- 1 April 2008
The story of chemical weapons research and development during World War I provides useful insights for current public health practitioners faced with a possible chemical weapons attack against civilian or military populations.