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Ram Oren

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Articles 80
Citations 1333
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Recent Articles
1.
Lim H, Medvigy D, Makela A, Kim D, Albaugh T, Knier A, et al.
Proc Natl Acad Sci U S A . 2024 Oct; 121(42):e2401035121. PMID: 39388262
Most measurements and models of forest carbon cycling neglect the carbon flux associated with the turnover of branch biomass, a physiological process quantified for other organs (fine roots, leaves, and...
2.
Xie L, Palmroth S, Yin C, Oren R
Sci Total Environ . 2024 Aug; 950:175175. PMID: 39111434
In many ecosystems, a large fraction of gross primary production is invested in mycorrhiza. Ectomycorrhizal (ECM) mycelium is involved in regulating soil carbon and nutrient cycling. However, little is known...
3.
Tian M, Salmon Y, Lintunen A, Oren R, Holtta T
New Phytol . 2024 Jun; 243(3):894-908. PMID: 38853424
The 'assimilates inhibition hypothesis' posits that accumulation of nonstructural carbohydrates (NSCs) in leaves reduces leaf net photosynthetic rate, thus internally regulating photosynthesis. Experimental work provides equivocal support mostly under controlled...
4.
Dukat P, Holtta T, Oren R, Salmon Y, Urbaniak M, Vesala T, et al.
J Exp Bot . 2024 May; 75(16):4944-4959. PMID: 38779859
Stem CO2 efflux is an important component of the carbon balance in forests. The efflux is considered to principally reflect the net result of two dominating and opposing processes: stem...
5.
Xu H, Zhang Z, Oren R, Wu X
Glob Chang Biol . 2023 Jan; 29(7):1890-1904. PMID: 36655411
Increased meteorological drought intensity with rising atmospheric demand for water (hereafter vapor pressure deficit [VPD]) increases the risk of tree mortality and ecosystem dysfunction worldwide. Ecosystem-scale water-use strategy is increasingly...
6.
Pan Y, Jackson R, Hollinger D, Phillips O, Nowak R, Norby R, et al.
Nat Ecol Evol . 2022 Jan; 6(3):315-323. PMID: 35027723
Experiments show that elevated atmospheric CO (eCO) often enhances plant photosynthesis and productivity, yet this effect varies substantially and may be climate sensitive. Understanding if, where and how water supply...
7.
Maier C, Johnsen K, Anderson P, Palmroth S, Kim D, McCarthy H, et al.
Glob Chang Biol . 2021 Nov; 28(4):1458-1476. PMID: 34783402
Elevated atmospheric CO (eCO ) typically increases aboveground growth in both growth chamber and free-air carbon enrichment (FACE) studies. Here we report on the impacts of eCO and nitrogen amendment...
8.
Lim H, Jamtgard S, Oren R, Gruffman L, Kunz S, Nasholm T
Tree Physiol . 2021 Sep; 42(3):513-522. PMID: 34580709
Boreal trees are capable of taking up organic nitrogen (N) as effectively as inorganic N. Depending on the abundance of soil N forms, plants may adjust physiological and morphological traits...
9.
Gutierrez Lopez J, Tor-Ngern P, Oren R, Kozii N, Laudon H, Hasselquist N
Glob Chang Biol . 2021 May; 27(13):3066-3078. PMID: 33949757
Trees in northern latitude ecosystems are projected to experience increasing drought stress as a result of rising air temperatures and changes in precipitation patterns in northern latitude ecosystems. However, most...
10.
Tarvainen L, Wallin G, Linder S, Nasholm T, Oren R, Lofvenius M, et al.
Tree Physiol . 2020 Sep; 41(1):63-75. PMID: 32864696
Several studies have suggested that CO2 transport in the transpiration stream can considerably bias estimates of root and stem respiration in ring-porous and diffuse-porous tree species. Whether this also happens...