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Subject: The level of the Rio Negro can raise 15m for half of the year.
Amazonas06 - 108 * The cassava or manioc (Manihot esculenta) is a woody shrub of the Euphorbiaceae (spurge family) that is extensively cultivated as an annual crop in tropical and subtropical regions for its edible starchy tuberous root, a major source of carbohydrate. The cassava plant gives the highest yield of food energy per cultivated area per day among crop plants, except possibly for sugarcane. The root cannot be consumed raw, since it contains free and bound cyanogenic glucosides which are converted to cyanide in the presence of linamarase, a naturally occurring enzyme in cassava. Cassava varieties are often categorized as either sweet or bitter, signifying the absence or presence of toxic levels of cyanogenic glucosides. For some smaller-rooted sweet varieties, cooking is sufficient to eliminate all toxicity. The larger-rooted bitter varieties used for production of flour or starch must be processed to remove the cyanogenic glucosides. The large roots are peeled and then ground into flour, which is then soaked in water, squeezed dry several times, and toasted. The starch grains that float to the surface during the soaking process are also used in cooking. (Wikipedia) This is a typical manioc flour processing area.

Amazonas06 - 109 * Long-billed Woodcreeper.

Amazonas06 - 110 * Long-billed Woodcreeper.

Amazonas06 - 111 * OSHA might take exception to this bridge. We didn't try it.

Amazonas06 - 112

 
Amazonas06 - 114 * We'd enjoy the sunset from the observation deck of the Tucano. After dinner, we would again venture out in the canoes for some nighttime wildlife viewing and star gazing.

Amazonas06 - 115 * Striated Heron.

Amazonas06 - 116 * Ladder-tailed Nightjar.

Amazonas06 - 117 * A lone Rice Rat forages under our spot light.

Amazonas06 - 118

Copyright © 2006 Patricia E. Beebe and David R. Beebe (B2 Photo & Video)

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