Spatial variations in soil and plant delta 13 C and delta 15 N values in a subtropical savanna: implications for vegetation change and nutrient dynamics
Grass-dominated ecosystems in many regions around the world have experienced increased abundance of woody plants during the past 100 yrs. In the Rio Grande Plains of southern Texas, subtropical woodlands, dominated by C3 trees/shrubs capable of symbiotic N2-fixation, have become significant compone...
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| Format: | Others |
| Language: | en_US |
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2010
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| Online Access: | http://hdl.handle.net/1969.1/ETD-TAMU-1608 http://hdl.handle.net/1969.1/ETD-TAMU-1608 |