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	1.	Genotypic variation in physiological and growth responses of Populus tremuloides to elevated atmospheric CO2 concentration. [electronic resource] by Wang, X Curtis, P S Pregitzer, K S Zak, D R Producer: 20010614 In: Tree physiology vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Effect of measurement CO(2) concentration on sugar maple root respiration. [electronic resource] by Burton, A J Zogg, G P Pregitzer, K S Zak, D R Publication details: Tree physiology Jul 1997 In: Tree physiology vol. 17 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Combined effects of atmospheric CO [electronic resource] by Mikan, C J Zak, D R Kubiske, M E Pregitzer, K S Publication details: Oecologia Aug 2000 In: Oecologia vol. 124 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	4.	Microbial community structure and oxidative enzyme activity in nitrogen-amended north temperate forest soils. [electronic resource] by Gallo, M Amonette, R Lauber, C Sinsabaugh, R L Zak, D R Producer: 20050124 In: Microbial ecology vol. 48 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Genotypic variation for condensed tannin production in trembling aspen (POPULUS TREMULOIDES, salicaceae) under elevated CO2 and in high- and low-fertility soil. [electronic resource] by Mansfield, J L Curtis, P S Zak, D R Pregitzer, K S Producer: 20121002 In: American journal of botany vol. 86 Availability: No items available. Save to lists Add to cart (remove)
	6.	Fine root respiration in northern hardwood forests in relation to temperature and nitrogen availability. [electronic resource] by Zogg, G P Zak, D R Burton, A J Pregitzer, K S Publication details: Tree physiology Aug 1996 In: Tree physiology vol. 16 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Fine root chemistry and decomposition in model communities of north-temperate tree species show little response to elevated atmospheric CO2 and varying soil resource availability. [electronic resource] by King, J S Pregitzer, K S Zak, D R Holmes, W E Schmidt, K Producer: 20060119 In: Oecologia vol. 146 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Comment on "Mycorrhizal association as a primary control of the CO2 fertilization effect". [electronic resource] by Norby, R J De Kauwe, M G Walker, A P Werner, C Zaehle, S Zak, D R Producer: 20170717 In: Science (New York, N.Y.) vol. 355 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Sinks for nitrogen inputs in terrestrial ecosystems: a meta-analysis of 15N tracer field studies. [electronic resource] by Templer, P H Mack, M C Chapin, F S Christenson, L M Compton, J E Crook, H D Currie, W S Curtis, C J Dail, D B D'Antonio, C M Emmett, B A Epstein, H E Goodale, C L Gundersen, P Hobbie, S E Holland, K Hooper, D U Hungate, B A Lamontagne, S Nadelhoffer, K J Osenberg, C W Perakis, S S Schleppi, P Schimel, J Schmidt, I K Sommerkorn, M Spoelstra, J Tietema, A Wessel, W W Zak, D R Producer: 20120925 In: Ecology vol. 93 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)