SSSAJ
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
QUICK SEARCH:   [advanced]


     

Published online 1 January 2007
Published in Soil Sci Soc Am J 71:140-144 (2007)
DOI: 10.2136/sssaj2006.0110
© 2007 Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
This Article
Right arrow Abstract Freely available
Right arrow Full Text Free
Right arrow Full Text (PDF) Free
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in Web of Science
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via Web of Science (1)
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by Hofmockel, K. S.
Right arrow Articles by Schlesinger, W. H.
Right arrow Search for Related Content
PubMed
Right arrow Articles by Hofmockel, K. S.
Right arrow Articles by Schlesinger, W. H.
Agricola
Right arrow Articles by Hofmockel, K. S.
Right arrow Articles by Schlesinger, W. H.
Related Collections
Right arrow Nitrogen
Right arrow Carbon Sequestration
Right arrow Global Change

Carbon Dioxide Effects on Heterotrophic Dinitrogen Fixation in a Temperate Pine Forest

Kirsten S. Hofmockel*

Nicholas School of the Environ. and Earth Sci., Duke Univ., Durham, NC 27708
current address: School of Natural Resources & Environment, Univ. of Michigan, Dana Building, Room G530, 440 Church St., Ann Arbor, MI 48109-1041

William H. Schlesinger

Nicholas School of the Environ. and Earth Sci., Duke Univ., Durham, NC 27708


Figure 1
View larger version (21K):
[in this window]
[in a new window]

  		Fig. 1. Acetylene reduction assays in (A) homogenized forest floor and (B) mineral soil with nutrient additions (30% gravimetric soil moisture content). Bars represent average ± SE N2 fixation rates. Treatments consisted of combinations of P, Mo, Fe, and glucose (C).

 

Figure 2
View larger version (15K):
[in this window]
[in a new window]

  		Fig. 2. Average (± SE) monthly rates of total N2 fixation (forest floor + mineral soil horizons). Open bars represent ambient conditions, closed bars represent elevated CO2 (+200 µL L–1).

 

Figure 3
View larger version (15K):
[in this window]
[in a new window]

  		Fig. 3. Measurements of potential heterotrophic N2 fixation rates as a function of gravimetric soil moisture content in forest floor and mineral soil horizons.

 




HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
The SCI Journals Agronomy Journal Crop Science
Journal of Natural Resources
and Life Sciences Education		 Vadose Zone Journal
Journal of Plant Registrations Journal of
Environmental Quality		 The Plant Genome
Copyright © 2007 by the Soil Science Society of America.