Biological phosphorus cycling in dryland regions
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Abstract
The relatively few studies done on phosphorus (P) cycling in arid and semiarid lands (drylands) show many factors that distinguish P cycling in drylands from that in more mesic regions. In drylands, most biologically relevant P inputs and losses are from the deposition and loss of dust. Horizontal and vertical redistribution of P is an important process. P is concentrated at the soil surface and thus vulnerable to loss via erosion. High pH and CaCO3 limit P bioavailability, and low rainfall limits microbe and plant ability to free abiotically bound P via exudates, thus making it available for uptake. Many invasive plants are able to access recalcitrant P more effectively than are native plants. As P availability depends on soil moisture and temperature, climate change is expected to have large impacts on P cycling.
| Publication type | Book chapter |
|---|---|
| Publication Subtype | Book Chapter |
| Title | Biological phosphorus cycling in dryland regions |
| DOI | 10.1007/978-3-642-15271-9_15 |
| Year Published | 2011 |
| Language | English |
| Publisher | Springer |
| Contributing office(s) | Southwest Biological Science Center |
| Description | 35 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Monograph |
| Larger Work Title | Phosphorus in action |
| First page | 371 |
| Last page | 406 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |