A Possible Function of Bioluminescence

It has been found difficult in many cases to conceive a use of the light to the luminescent organism, despite the large number of possibilities of ecological significance which have been suggested (vide Mangold, 1910, pp. 326-32; Kemp, 1910, p. 649; Putter, 1911, p. 487; Harvey, 1920, pp. 81-4; Rauthcr, 1927, pp. 162-6; Harvey, 1942, pp. 58-87). This difficulty has led to the conclusion by some…

The Sex-Ratio in Alternational Hermaphrodites, with Special Reference to The …

In a population in which the sexual nature of the individuals is not subject to change, the sex-ratio of a given brood as determinable in practice may be different at different times if there is a differential rate of maturation for the two sexes, or a differential death rate. Excluding from present consideration the periods in the life of the population at which these differentials may operate…

Experiments in The Fertilization of a Salt Water Pond

t has long been recognized that the biological productivity of the sea depends primarily upon the nutrition of the phytoplankton. The aim of these experiments was to study this basic process in the cycle of production by the artificial increase of those plant nutrients most likely to become limiting. For our purpose a body of water was re quired which was large enough to be representative …

Handbuch der systematischen botanik 1902

Edition

Edisi kedua

ISBN/ISSN

-

Collation

xii, 470 halaman; ilustrasi

Series Title

-

Call Number

581 WAR h

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