|
|||||
|
|
A 15N tracer technique for assessing fine root production and mortality |
|
| Authors: | Joseph J. Hendricks Knute J. Nadelhoffer John D. Aber |
| Affiliation: | (1) Complex Systems Research Center, Institute for the Study of Earth, Ocean, and Space, Morse Hall, University of New Hampshire, Durham, NH 03824, USA, US;(2) The Ecosystems Center, Marine Biological Laboratory, Woods Hole, MA 02543, USA, US |
| Abstract: | We tested a 15N tracer technique to assess fine root production and mortality based on temporal measurements of the 15N mass in fine root structural tissues and the 15N concentration of the plant-available soil N pool. The results of a pilot study indicated that this technique is based on sound methods and reasonable assumptions. The 15N tracer technique avoids most of the major limitations which hinder existing methods and may provide valuable insight into the rates and controls of fine root production and mortality in terrestrial ecosystems. Received: 23 September 1996 / Accepted: 10 June 1997 |
| Keywords: | Fine roots Production Mortality 15N Methodology |
| 本文献已被 SpringerLink 等数据库收录！ | |