Results 41 to 50 of about 24,131 (226)

Effect of branch position and light availability on shoot growth of understory sugar maple and yellow birch saplings [PDF]

, 2000
Phenotypic plasticity enables tree saplings to change their morphology according to their environment to grow toward a better light micro-habitat. Therefore, processes of crown development could be expected to vary as a function of light.
Godet, J., Messier, C., Nikinmaa, E.
core   +1 more source

Overcoming environmental constraints to high‐yielding eastern cottonwood productivity in the southeastern United States

Annals of Applied Biology, EarlyView.
The rising demand for biomass highlights Populus deltoides as a productive woody species. A 6‐year study in Sumter County, SC, assessed the effects of irrigation, fertilization, and clonal variation on growth and productivity. Eight clones were studied under two irrigation levels (33 and 1500 kPa) and nutrient rates (high: up to 182 kg N ha−1; low: 50%
G. A. Tuskan, S. D. Wullschleger, P. J. Hanson, M. A. Cregger, J. L. Field, B. P. Sloan, M. W. Cunningham, B. M. Cregg, J. L. Rakestraw, T. J. Tschaplinski   +9 more
wiley   +1 more source

Evaluation of importance of sapwood senescence on tree growth using the model Lignum.

Silva Fennica, 1997
The effects of two alternative formulations of sapwood senescence on the behaviour of model LIGNUM (with parameter values adjusted for Scots pine ( L.) growing southern Finland) were studied.
Sievänen, Risto, Nikinmaa, Eero, Perttunen, Jari   +2 more
doaj   +1 more source

Scaling from single-point sap velocity measurements to stand transpiration in a multi-species deciduous forest: uncertainty sources, stand structure effect, and future scenarios impacts [PDF]

, 2015
A major challenge in studies estimating stand water use in mixed-species forests is how to effectively scale data from individual trees to the stand.
Asbjornsen, Heidi, Hernandez-Hernandez, Adan, Hernandez-Santana, Virginia, Vadeboncoeur, Matthew A   +3 more
core   +1 more source

The Effect of Plant Water Storage on Water Fluxes within the Coupled Soil–Plant System [PDF]

, 2017
In addition to buffering plants from water stress during severe droughts, plant water storage (PWS) alters many features of the spatio-temporal dynamics of water movement in the soil–plant system.
Domec, Jean-Christopher, Duman, Tomer, Huang, Cheng-Wei, Katul, Gabriel, Manolia, Gabriele, Parolari, Anthony J., Ward, Eric J.   +6 more
core   +4 more sources

Ring‐Width Dendrochronology, Isotopic Dendrochronology and Radiocarbon Dating of Timbers From the Spire Scaffold of Salisbury Cathedral, Wiltshire, England

Archaeometry, EarlyView.
ABSTRACT Ten timbers from the spire scaffold of Salisbury Cathedral were dated using a combination of ring‐width dendrochronology, stable oxygen isotopic dendrochronology and radiocarbon dating. Seven timbers were coeval and assigned a combined empirical felling date range of 1352–1378, which was further refined to 1351–1359 (OxCal 95.4%).
Kutsi D. Akcicek, Daniel Miles, Christopher Bronk Ramsey, Darren Davies, Danny McCarroll, Neil J. Loader   +5 more
wiley   +1 more source

Shaping future forests: how can ecophysiology support climate‐smart forest management?

New Phytologist, EarlyView.
Summary Climate change, particularly the associated increase in extreme events and disturbances, threatens the numerous environmental, social, and economic benefits that forests provide, both locally and globally. Heat and drought pose significant risks to forest ecosystems; the anticipated future climate is expected to exacerbate this trend ...
Arthur Gessler, José M. Grünzweig, Laura Bigio, Henrik Hartmann, Nate McDowell, Frank Krumm, Arun K. Bose, Andreas Rigling, Harald Bugmann, Valentina Vitali, Pascal Schneider, J. Jelle Lever, Janine Schweier, Anne Kempel, Niklaus E. Zimmermann, Philipp Brun, Jürgen Bauhus, Micah Wilhelm, Alessandra Bottero   +18 more
wiley   +1 more source

Thermal Modification Improves the Durability of Daniellia oliveri Wood

Floresta e Ambiente
Wood has long been one of the most widely utilized natural building materials. This study investigated the effect of thermal modification on the durability of Daniellia oliveri wood through laboratory and field decay tests.
Issah Chakurah, Prosper Mensah, John Mensah-Bankz, Alexandre Santos Pimenta, Rafael Rodolfo de Melo, Francis Kofi Bih, Catherine Acquaye, Stephen Jobson Mitchual, James Amponsah, Martina Nikoi, Emmanuel Minkah, Priscila Lira de Medeiros   +11 more
doaj   +1 more source

Stem hydraulic capacitance decreases with drought stress : implications for modelling tree hydraulics in the Mediterranean oak Quercus ilex [PDF]

, 2017
Hydraulic modelling is a primary tool to predict plant performance in future drier scenarios. However, as most tree models are validated under non-stress conditions they may fail when water becomes limiting.
Limousin, Jean Marc, Ourcival, Jean Marc, Rodríguez-Calcerrada, Jesús, Salomon Moreno, Roberto Luis, Steppe, Kathy   +4 more
core   +2 more sources

Acquisitive root exploration strategies help maintain higher peak sap flux rates during summer drought, but more root biomass does not

New Phytologist, EarlyView.
Summary Roots are responsible for soil water uptake, yet little is known about how variation in fine‐root traits relates to whole‐tree water movement, particularly during periods of drought. By combining a 3‐yr dataset monitoring sap flow rates with measures of fine‐root biomass, length, and morphology across 10 tree species, we addressed hypotheses ...
Newton Tran, Marvin Lo, Meghan G. Midgley, Ray Dybzinski, Ella C. Segal, Charles H. Cannon, Chai‐Shian Kua, Christine R. Rollinson, Colleen M. Iversen, M. Luke McCormack   +9 more
wiley   +1 more source