5 Works

Data from: Linking the respiration of fungal sporocarps with their nitrogen concentration: variation among species, tissues, and guilds

Lidia K. Trocha, Elzbieta Rudy, Weile Chen, Miroslawa Dabert & David M. Eissenstat
Tissue nitrogen (N) concentration has been correlated with respiration (RS) across plants of different life forms, functional and phylogenetic groups, plant organs and ectomycorrhizae of different fungal species. Nothing is known, however, if a similar relationship exists in other organisms like fungi. Here, we explored the N-RS relationship across sporocarps of 93 fungal species that varied in their guilds (mutualistic, saprotrophic, and parasitic) as well as “tissue” types (caps and stipes). We hypothesized that RS,...

Data from: Plant water potential improves prediction of empirical stomatal models

William R. L. Anderegg, Stephen Pacala, John S. Sperry, Brendan Choat, Daniel J. Chmura, Thomas Kolb, Frederick Meinzer, Pilar Pita, Víctor Resco De Dios & Brett T. Wolfe
Climate change is expected to lead to increases in drought frequency and severity, with deleterious effects on many ecosystems. Stomatal responses to changing environmental conditions form the backbone of all ecosystem models, but are based on empirical relationships and are not well-tested during drought conditions. Here, we use a dataset of 34 woody plant species spanning global forest biomes to examine the effect of leaf water potential on stomatal conductance and test the predictive accuracy...

Data from: Cold adaptation drives variability in needle structure and anatomy in Pinus sylvestris L. along a 1,900 km temperate–boreal transect

Artur Jankowski, Tomasz P. Wyka, Roma Żytkowiak, Bengt Nihlgård, Peter B. Reich & Jacek Oleksyn
1. Occupancy of cold habitats by evergreen species requires structural modification of photosynthetic organs for stress resistance and longevity. Such modifications have been described at inter-specific level while intra-specific variation has been underexplored. 2. To identify structural and anatomical traits that may be adaptive in cold environments, we studied intra-specific variability of needles of Scots pine (Pinus sylvestris L.), a wide-ranging tree, along a 1900 km temperate-boreal transect in Europe. 3. Needles from 20 sites...

Data from: Soil organic carbon stability in forests: distinct effects of tree species identity and traits

Gerrit Angst, Kevin E. Mueller, David M. Eissenstat, Susan Trumbore, Katherine H. Freeman, Sarah E. Hobbie, Jon Chorover, Jacek Oleksyn, Peter B. Reich & Carsten W. Mueller
Rising atmospheric CO2 concentrations have increased interest in the potential for forest ecosystems and soils to act as carbon (C) sinks. While soil organic C contents often vary with tree species identity, little is known about if, and how, tree species influence the stability of C in soil. Using a 40‐year‐old common garden experiment with replicated plots of eleven temperate tree species, we investigated relationships between soil organic matter (SOM) stability in mineral soils and...

A fingerprint of climate change across pine forests of Sweden

Jacek Oleksyn, Tomasz Wyka, Roma Żytkowiak, Marcin Zadworny, Joanna Mucha, Monika Dering, Krzysztof Ufnalski, Bengt Nihlgard & Peter Reich
Needle traits of coniferous forests reflect environmental conditions and influence tree physiology and growth. Given the sensitivity of needle traits and tree growth to climate, temperature warming of ≈1°C in the past century may have influenced structure and function of high latitude forests across the globe. Here we show that throughout a ≈1,000 km transect in cold, high latitude Scots pine (Pinus sylvestris L.) forests in Sweden, which has warmed by ≈1°C in a century,...

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