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Temporal Variation in Temperature and Rainfall Differentially Affects Ectomycorrhizal Colonization at Two Contrasting Sites by RANDY L. SWATY; CATHERINE A. GEHRING; MATT VAN ERT; TAD C. THEIMER; PAUL KEIM; THOMAS G. WHITHAM is a Agricultural and Biological Sciences article available to read on EtoBox.
What is Temporal Variation in Temperature and Rainfall Differentially Affects Ectomycorrhizal Colonization at Two Contrasting Sites about?
We examined the roles that seasonal shifts in precipitation and temperature played in the ectomycorrhizal (ECM) colonization of pinyon pine (__Pinus edulis__ Engelm.) at two contrasting sites in northern Arizona. Pinyons growing in ash and cinder soils experienced much greater water and nutrient stress than pinyons growing nearby in sandy‐loam soils. Over a one year period, we obtained monthly measurements of ECM colonization, root zone soil moisture and temperature, and air temperature and precipitation. Four major patterns emerged. Firstly, although climate as measured by ambient temperature and precipitation did not vary between the two sites, soil temperature was significantly higher and soil moisture significantly lower at the cinder site than at the sandy‐loam site. Secondly, ECM colonization was significantly higher at the cinder site for 5 of 12 months. Thirdly, although nearly 70% of the variation in ECM colonization of pinyons growing in cinder soil was predicted by a combination of soil moisture and soil temperature, these same variables had little predictive power for pinyons growing in sandy‐loam soils. Air temperature and precipitation were also significantly correlat
Who reads Temporal Variation in Temperature and Rainfall Differentially Affects Ectomycorrhizal Colonization at Two Contrasting Sites?
It is typically read by researchers, students, and practitioners in Agricultural and Biological Sciences.
- Author
- RANDY L. SWATY; CATHERINE A. GEHRING; MATT VAN ERT; TAD C. THEIMER; PAUL KEIM; THOMAS G. WHITHAM
- Publisher
- John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Cambridge University Press (CUP); Wiley (ISSN 0028-646X)
- Published
- 1998
- Language
- EN
- Field
- Agricultural and Biological Sciences (Life Sciences)