Rising atmospheric CO2 concentration(Ca)is expected to accelerate tree growth by enhancing photosynthesis and increasing intrinsic water-use efficiency(iWUE
Although recent studies have demonstrated that annual growth rings are present among perennial forbs species,little is known about whetherthere are demarcat
An annually resolved and absolutely dated ring-width chronology spanning 657yrs was constructed withPinusbungeanazucc.samples from the southernTaihang Mount