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Vegetation of Southeast Asia Studies of Forest Types 1963-1965

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Unasylva 10 (l): 19-29; 10 (3): 117-129. 1956.<br />

Much <strong>of</strong> the earth's surface is covered with brush. Many <strong>of</strong><br />

the major brushlands <strong>of</strong> the world are climax; that is, they constitute<br />

vegetative cover that has changed little in composition<br />

under prevailing conditions <strong>of</strong> climate, soil and fire.<br />

Lrxge-scale efforts to control undesirable woody species has<br />

awaited mass production <strong>of</strong> machinery to do the job effectively<br />

and economically. This modern age <strong>of</strong> large-scle operations tends<br />

to overlook, however, that.many small-scale efforts, using homemade<br />

tools, might do the same job more effectively and more economically.<br />

In the first part <strong>of</strong> the paper the authors place major emphasis<br />

on a consideration <strong>of</strong> factors determining the kind <strong>of</strong> equipment to<br />

be used; degree <strong>of</strong> brush clearance for economic returns; kind <strong>of</strong><br />

vegetation to be cleared; character and size <strong>of</strong> stems; density <strong>of</strong><br />

cover; and topography.<br />

In the second part <strong>of</strong> the article types <strong>of</strong> equipment are briefly<br />

described and illustrated with photographs or drawings. The comparative<br />

advantages <strong>of</strong> each piece are enumerated and, so far as<br />

possible, the approximate cost per acre for certain stipulated<br />

oondj.c.'.ons are cited.<br />

A list <strong>of</strong> vernacular and botanical names <strong>of</strong> plant species<br />

mentioned is included. The literature cited contains ^3 titles.<br />

Dorn, C.C. The Mammals <strong>of</strong> the Rush Watkins Zoological Expedition<br />

to Siam. The Natural History Bulletin <strong>of</strong> the Siam Society 15 (1):<br />

1-25. Sept. 1952,<br />

The Chicago Natural History Museum's Rush Watkins Zoological<br />

Expedition to Siam had as its main objective the securing <strong>of</strong> a<br />

habitat group <strong>of</strong> the Malay tapir. However, about 200 specimens<br />

<strong>of</strong> other mammals were collected, representing 27 forms and others<br />

were seen but not collected. This small collection included an<br />

undescribed bat and some new locality records.<br />

The article contains an annotated list <strong>of</strong> bats collected. A<br />

list <strong>of</strong> literature cited is included. See also reference to<br />

Haas, F., 'Some non-marine mollusks from Siam 1 .<br />

Ltwongse, Y. S. An outline <strong>of</strong> rice cultivation in Siara. 10 pp.<br />

The Ministry <strong>of</strong> Agriculture. Bangkok. 1911.<br />

As the trade and commerce <strong>of</strong> Thailand are mainly connected with<br />

the rice-growing industry, it i'» <strong>of</strong>ten asked how it is cultivated,<br />

harvested and prepared for the market.<br />

The process <strong>of</strong> rice culture is very similar in all rice growing<br />

countries, but the source <strong>of</strong> water supply, the nature and elevation<br />

<strong>of</strong> the soil, and the climate cause some variations in the<br />

methods employed. This pamphlet presents some general information<br />

on the rice industry <strong>of</strong> Thailand.<br />

isas, P. My country Thailand - its history, geography and civilization.<br />

^21 pp.; illustr.; index. Maruzen Co. Ltd. Tokyo. 19^2.

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