By William F. Herrnkind (auth.), Howard E. Winn, Bori L. Olla (eds.)
What were introduced jointly in those volumes are works characterize ing numerous glossy quantitative reports on a pick out crew of marine organisms. a few of the species studied the following symbolize uncomplicated organic ex perimental subjects-in a few circumstances, marine models of the white rat and pigeon-that are getting used for quite a lot of reports. different species studied have been almost unknown as experimental animals. The authors have studied their animals in substantial intensity, frequently in either the sector and the laboratory. it truly is this move reference among actual existence and the bogus yet managed stipulations of the laboratory which supplies us the required realizing, and eventually the skill, for bettering our quickly deteriorating atmosphere, a needs to for man's survival, upkeep, and development of the standard of residing criteria. an immediate outgrowth of a AAAS symposium entitled "Recent Advances within the habit of Marine Organisms" held in December 1966, those vol umes contain a cheap stability among overview and unique unpublished learn. Of the various folks who've made those volumes attainable, we want to in particular thank Nancy Fish, Lois Winn, Mabel Trafford, and Deborah Brennan. The latter complete many of the ultimate editorial paintings. The group of workers of Plenum Press have been cooperative in all points of our rela tionship. purely the 2 editors are answerable for defects within the volumes. We think the papers awarded are major and should be of value to participants of the medical community.
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Extra info for Behavior of Marine Animals: Current Perspectives in Research Volume 1: Invertebrates
On the other hand, the extensive and complex locomotory activities of adults cannot be effectively guided by simple taxes, and hence they rely upon celestial orientation. 5. Establishment of Directional Preferences How directional preferences are established is answered, in part, by results of a preliminary study on orientation induced by raising crabs in simulated habitats. The purpose of these experiments was twofold: (I) to determine the orienting effect of polarized light on young crabs and (2) to provide information regarding ecological factors relevant to establishment of directional orientation.
A nonvisual mechanism, equivalent to the celestial compass, would be especially valuable to these nocturnally active species. Thus far, the discussion has concerned the responses of animals to one class of guidance stimuli when others are excluded. For the most part, this is how the research has been conducted, since the primary goal has often been to analyze a single mechanism. " In other words, one cannot say with certainty that a fiddler crab which can orient strongly landward by a sun compass when in a level, featureless, circular chamber excluding all landmarks actually does so when fleeing landward on the beach while moving upslope, toward prominent landmarks, in the company of several conspecifics.
Telotaxis appears mostly when celestial cues absent; strong celestial orientation to landward during escape response in older crabs. Telotaxis remains but some crabs show landward directional preferences to celestial cues. As above. Strong telotactic orientation (attraction) to objects of optical contrast; tend to move into lighted areas if moisture present. Orientation Table II. Summary of Organismic Characteristics, Behavioral Ecology, and Orientation of Sand Fiddlers, Uca pugilator, During Ontogeny i ~ ~ ~ Orientation in Shore-Living Arthropods 27 beach (or from females held and bred in the laboratory).
Behavior of Marine Animals: Current Perspectives in Research Volume 1: Invertebrates by William F. Herrnkind (auth.), Howard E. Winn, Bori L. Olla (eds.)