What is the speed of link between aboveground and belowground processes?

REVIEW: Time lag between photosynthesis and carbon dioxide efflux from soil: a review of mechanisms and controls

(2010) YAKOV KUZYAKOV et al.   GLOBAL CHANGE BIOLOGY

Soil respiration across scales: towards an integration of patterns and processes

(2010) Michael Bahn et al.   NEW PHYTOLOGIST

The significance of phloem transport for the speed with which canopy photosynthesis and belowground respiration are linked

(2009) Maurizio Mencuccini et al.   NEW PHYTOLOGIST

Does photosynthesis affect grassland soil-respired CO2 and its carbon isotope composition on a diurnal timescale?

(2009) Michael Bahn et al.   NEW PHYTOLOGIST

Drought effects on allocation of recent carbon: from beech leaves to soil CO2 efflux

(2009) Nadine K. Ruehr et al.   NEW PHYTOLOGIST

Tracing of recently assimilated carbon in respiration at high temporal resolution in the field with a tuneable diode laser absorption spectrometer after in situ 13CO2 pulse labelling of 20-year-old beech trees

(2009) C. Plain et al.   TREE PHYSIOLOGY