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Publications (12)
Context
In western US forests, the increasing frequency of large high-severity fires presents challenges for society. Quantifying how fuel conditions influence high-severity area is important for managing risks of large high-severity fires and understanding how they are changing with climate change. Fuel availability and heterogeneity influence hig...
Tree diameter distributions are important indicators of forest structure, are a principal element of forest carbon stock estimates, and are the outcome of forest demography. Hump-shaped tree diameter distributions, also known as rotated-sigmoid diameter distributions, are characterized by an increased frequency of intermediately-sized trees over wh...
Topoclimatic diversity within forest landscapes can underlie variation in water availability, which may correspond to patterns in habitat suitability of tree species with differing hydrologic niches. However, the trade‐off between the collection of data at a fine grain size over large spatial extents has limited comprehensive analyses of landscape...
Research Highlights: To better understand within-community variation in wood density, our study demonstrated that a more nuanced approach is required beyond the climate-wood density correlations used in global analyses. Background and Objectives: Global meta-analyses have shown higher wood density is associated with higher temperatures and lower ra...
High-resolution maps of redwood distributions could enable strategic land management to satisfy diverse conservation goals, but the currently-available maps of redwood distributions are low in spatial resolution and biotic detail. Classification of airborne imaging spectroscopy data provides a potential avenue for mapping redwoods over large areas...
Analysis of long‐term trends in forest carbon stocks is challenged by interactions among climate change, wildfire and other disturbances, forest management actions, and heterogeneous vegetation responses. For such circumstances where complex interactions make it difficult to encompass the full range of processes in any one mode of analysis, expert...
Drought is expected to become an increasingly important stressor on forests globally, and understanding the physiological mechanisms driving tree drought response is essential for developing effective mitigation and conservation measures for these ecosystems. In 2014, during California's 2012-2016 "hotter" drought in which higher temperatures exace...
Spatial variability of water in forests is a function of both climatic gradients that control water inputs and topo-edaphic gradients that determine the flows of water belowground, as well as the interactions of climate with topography. Coastal redwood forests are hydrologically unique because they are influenced by coastal low clouds, or fog, that...
California experienced severe drought from 2012 to 2016, and there were visible changes in the forest canopy throughout the State. In 2014, unprecedented foliage dieback was recorded in giant sequoia (Sequoiadendron giganteum) trees in Sequoia National Park, in the southern California Sierra Nevada mountains. Although visible changes in sequoia can...
Aim
To evaluate how wood density relates to tree growth rates in simple models and two tropical forests.
Location
Barro Colorado Island, Panama; and Pasoh Forest Reserve, Malaysia.
Time Period
1986–2010.
Major Taxa Studied
Trees.
Methods
We derived expected relationships of wood density with diameter growth at a given diameter under a null hypo...
