File:Contributions in geographical exploration (1920) (14778235461).jpg

Identifier: contributionsing00ohiouoft (find matches)
Title: Contributions in geographical exploration
Year: 1920 (1920s)
Authors: Ohio State University
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Publisher: Columbus
Contributing Library: Robarts - University of Toronto
Digitizing Sponsor: MSN

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ter theeruption, only three clumps of bananas and none of bamboo.But, in April, 1914, bananas were fairly abundant and indi-cated quite well the positions of many of the former houses,while bamboo was also prominent. Brown, Merrill and Yates*furthermore submit evidence which indicates that a largeproportion of the new vegetation of Taal may have come fromold roots whicli lay dormant for a long period. RESTORATIVE REACTIONS OF SURVIVINC. Il-ANTS. From what has been said above, it is evident that thosetrees, w^hich were not killed outright by the eruption, were soinjured that the chances of their ultimate recovery must haveappeared remote if they had been examined soon after the Gates, F. C. The Pioneer Xcgetation of Taa! Volcano. Philip. Jt.iim. Sci.Ser. C, 9: 391-434. Pis. 3-10. 1914. 8 Brown, Merrill and Yates. The Revegetation of Volcano Islan<l. Luzon.Philippine Islands Since the Eruption of Taal Volcano in 1911. Philip, .loum.Sci. Ser. C, 12 : 177-248. Pis. 4-lf). 1<U7. IV \
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Photograph by D. B. Church A POPLAR IN WHICH A FEW TWIGS ARE KEPT ALIVE BY A NARROWSTRAND OF BARK (concealed in picture). All the rest of the bark has died of starvation and dropped off. Jan., 1919) Effects of the Eruption nu Vcoctatiou 190 eruption. The problem which had to l)e met by these treeswas to maintain the extensive system of uninjured roots andbranches with almost no leaves until new ^Towth could providethe leaf surface necessary to feed the rest of the plant. Thecapacity shown by some of the trees of adjusting themselves tosuch abnormal conditions is remarkable. The most extremecase was found on Soluka Creek where a tall poplar was deadexcept for a very few twigs in the to)). (See page 192.) Thebark of this tree, wdiich was 41 inches in girth, was dead alongtwo strips 6 and 4 inches wide, leaving two bands of living bark15 and 16 inches wide and 40 to 50 feet high to be supported byonly the handful of leaves at the top. In another case all thebark had dropped ofif except t

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