Christmas Island
Page 29
Image from the Biodiversity Heritage Library. Contributed by Smithsonian Institution Archives. | www.biodiversitylibrary.org
Transcription
C.R. Long 1964 Soil Samples - June-July 1964 June 18, 1964 Motu Tabu (5) L 178-L182 L178 - 1 1-2 in., under Pisonia L179 - 2 Lepturus, Boerhaavia, Portulaca, Heavily mounded area, fine sand area. L180 - 3 open area, salt bush, 1-2 inches. L181 - 4 Messerschmidtia, 1-2 in. L182 - 5 Bottom of old burrow under Lepturus, in Lepturus, Boerhaavia, Portulaca stand. Fine sand area, approximately 10 feet depression, wet 1/2 inch down. June 22, 1964 Malden Island Lagoon (1) L183 L183 salt crust June 23, 1964 Malden Island (5) L184-L188 L184 - I and L185 - II Soils forming among raised coral heads - Surfaces bare but Sesuvium forms a peripheral ring about the lagoon. Top 1/2 inch whitish with salts then dark red layer extends to several feet in depth. Between these two layers is a noticeable layer of blue-green algae? L184 - I bare soil in old coral rock, Sesuvium, top 1/2 in.. L185 - II top 1-2 in., bare soil in old coral rock, Sesuvium. L186 - III top 1/2 in. Sida, Digitaria, Portulaca. North side of island Boerhaavia, Tribulus. L187 - IV top 1/2 to 2 in. Sida, Digitaria, Portulaca, Boerhaavia north side of island. L188 - V bare area among Sesuvium, grasses, on flat rock, 1/2 to 2 in., top layer white with much salt. June 26, 1964 Starbuck Island (5) L189-L193 L189 - I Portulaca, Sesuvium, Eragrostis - shells on top 1/2 - 2 1/2 in. L190 - II 1/2 - 2 in. Lepturus, Sida L191 - III guano soil Lepturus thick, some Sida, 0-1/2 in. L192 - IV guano soil Lepturus thick, Sida, 1/2 - 2 1/2 in. L193 - V Digitaria, Sida, Tribulus 1/2-2 in. coarse gravel on top June 27, 1964 Starbuck Island (4) L194-L197 L194 - VI at Post No. 1 1/2 - 2 1/2 in. L195 - VII midway to post No. 2 on rim 1/2-2 1/2 in. L196 - VIII at post No. 2 1/2-2 1/2 in. L197 - IX Digitaria stand west end 1/2-2 1/2 in. July 4, 1964 Tuituila, American Samoa (1) L198 L198 Forest 800 feet 1/2-2 in.