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Running hot and cold: are rainforests sinks or taps for carbon? Conventional wisdom has long held that tropical rainforests act as a sink for carbon dioxide, cleansing the atmosphere of a major greenhouse gas. However, biologists studying the forests of Costa Rica are finding that rising temperatures are causing trees to grow less and to pump out more carbon dioxide, adding to an accelerating pattern of global warming

• Authors : Levy, Sharon

• Source: BioScience. July-August, 2007, Vol. 57 Issue 7, p552, 6 p.

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Costa Rica--test case for the neotropics.

• Authors : Tangley, Laura

Subjects: *National parks & reserves; *Biodiversity; *Mines & mineral resourcesCosta Rica

• Source: BioScience. May86, Vol. 36 Issue 5, p296-300. 5p. 5 Black and White Photographs, 1 Map.

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Properties of Some Natural Waters in a Tropical Wet Forest of Costa Rica.

• Authors : McColl, J. G.¹

Subjects: *Water supply; *Forests & forestry; *Natural resourcesCosta Rica

• Source: BioScience. 10/15/1970, Vol. 20 Issue 20, p1096-1100. 5p.

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The Increase in Protein Content and Yield of Simazine-Treated Crops in Michigan and Costa Rica.

• Authors : Ries, S. K.¹; Schweizer, C. J.¹

Subjects: *Crop yields; *Agricultural productivity; *NitrogenMichigan; Costa Rica

• Source: BioScience. Mar1968, Vol. 18 Issue 3, p205-208. 4p. 7 Charts.

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NEW TITLES.

Subjects: *LIFE sciencesBIRDS of Costa Rica: A Field Guide, The (Book); CONSERVATION Professional's Guide to Working With People, The (Book)

• Source: BioScience. Sep2007, Vol. 57 Issue 8, p710-711. 2p.

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Cataloging Costa Rica's diversity

• Authors : Tangley, Laura

• Source: BioScience. Oct, 1990, Vol. 40 Issue 9, p633, 4 p. photograph

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Congressional staff examine biological diversity and economic development in Costa Rica.

• Authors : Saterson, Kathryn A.¹

Subjects: *Sustainable development; *Conservation of natural resources; *Rain forest conservationCosta Rica; United States

• Source: BioScience. Jun88, Vol. 38 Issue 6, p389-389. 1p.

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Merck supports chemical prospecting in Costa Rica.

Subjects: Merck & Co. Inc.

• Source: BioScience. Feb1992, Vol. 42 Issue 2, p151-151. 1/6p.

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Studying (and saving) the tropics.

• Authors : Tangley, Laura

Subjects: BIOLOGY education; RAIN forest management; RAIN forest conservationUNITED States; COSTA Rica

• Source: BioScience; Jun88, Vol. 38 Issue 6, p375-385, 11p, 9 Black and White Photographs

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Economic indicators inaccurately represent Costa Rica's resources

• Source: BioScience. April, 1992, Vol. 42 Issue 4, p325, 1 p.

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