Read e-book online Morphometric tools for landmark data : geometry and biology PDF

By Fred L. Bookstein

ISBN-10: 0521383854

ISBN-13: 9780521383851

Morphometrics is the statistical research of organic form and form swap. Its richest information are landmarks, issues, equivalent to the bridge of the nostril, that experience organic names in addition to geometric destinations. This publication is the 1st systematic survey of morphometric equipment for landmark facts

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Extra resources for Morphometric tools for landmark data : geometry and biology

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As a function of the concentration of CO2 in the water, alkalinity is governed chiefly by temperature, pressure, and biological respiration. The top 500 m of sea water are said to be saturated with respect to calcium carbonate which reflects the high alkalinity in this region. It also means that both Ca and COs^" are available and can readily be precipitated. Below 500 m water is considered undersaturated with respect to calcium carbonate and thus carbonate may begin to go into solution. Below this depth the lower alkalinities tend to cause calcium carbonate to dissolve.

M visible structuring. Such layering occurs in all Fig. 7. Hyaline wall structure. A. Cross-section of the wall of the planktonic genus Orhulina (x 80). Circular holes are pores. Note the varying size and location of pores; these have been related to varying environmental conditions and can be used for environmental interpretations. B. Cross-section of the wall of the smaller benthic genus Uvigerina, showing the calcitic lamellae and the former position of the organic layers. X 750. C.

Of evolution in numerous independent lineages, there now exists a vast array of foraminiferal morphotypes. Loebhch and Tappan (1964a) estimated that there are close to 100 famihes, over 1200 genera, and some 27,000 species of foraminifera described in the literature on foraminifera. To organize and categorize this vast variety of forms, over 35 schemes of classification have been proposed, some dating back to the very first publications on foraminifera. These classifications are summarized in Loeblich and Tappan (1964b), itself one of the most ambitious and complete classifications yet proposed.

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Morphometric tools for landmark data : geometry and biology by Fred L. Bookstein

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