Subsampling and subsequent imputation of tree heights can improve the predictive performance of stand volume estimation but may also introduce biases. Using coastal Douglas-fir data from southwest Oregon, USA, the predictive performance of several height imputation strategies for estimating stand volume was evaluated. A subsample of 1-15 trees was randomly...
This dataset is designed to capture landscape changes brought on by a severe tree mortality episode in California's southern Sierra Nevada range, by mapping multiple land cover types in a continuous way at annual time-steps throughout the mortality event. By mapping multiple land cover types we can see not only...
These high resolution (5x5-meter pixel) categorical models of land cover were created by training random forest classification models on
RapidEye (Planet Labs Inc.) satellite spectral data for each year and then predicting those models across the landscape. Training data were created by visually interpreting random plots over high resolution NAIP...
The Queen Charlotte fault (QCF) is a dextral transform system located offshore of southeastern Alaska and western Canada, accommodating ∼4.4 cm/yr of relative motion between the Pacific and North American plates. Oblique convergence along the fault increases southward, and how this convergence is accommodated is still debated. Using seismic reflection...
Where a legacy of aggressive wildland fire suppression has left forests in need of fuel reduction, allowing wildland fire to burn may provide fuel treatment benefits, thereby reducing suppression costs from subsequent fires. The least-cost-plus-net-value-change model of wildland fire economics includes benefits of wildfire in a framework for evaluating suppression...
The Queen Charlotte Fault (QCF) is a major strike-slip fault that forms the boundary between the Pacific and North American plates from 51° to 58° N. Near 53.2° N, the angle of oblique convergence predicted by the Mid-Ocean Ridge VELocity (MORVEL) interplate pole of rotation decreases from >15° in the...
Background: Medication complexity is a large determinant of adherence. Few studies have explored the relationship between cognitive impairment and medication complexity.
Objective: To evaluate whether cognitive impairment is associated with medication complexity for prescription and over-the-counter (OTC) medications.
Methods: In this cross-sectional analysis, we studied the association between cognitive impairment...
Assessing the ecological importance of clouds has substantial implications for our basic understanding of ecosystems
and for predicting how they will respond to a changing climate. This study was conducted in a coastal Bishop pine
forest ecosystem that experiences regular cycles of stratus cloud cover and inundation in summer. Our...
We report here that (4R,9Z)-hexadec-9-en-4-olide [(R)-desmolactone] is a sex
attractant or sex pheromone for multiple species and subspecies in the cerambycid
genus Desmocerus. This compound was previously identified as a female-produced
sex attractant pheromone of Desmocerus californicus californicus.
Headspace volatiles from female Desmocerus aureipennis aureipennis contained
(R)-desmolactone, and the antennae...
We report here that (4R,9Z)-hexadec-9-en-4-olide [(R)-desmolactone] is a sex
attractant or sex pheromone for multiple species and subspecies in the cerambycid
genus Desmocerus. This compound was previously identified as a female-produced
sex attractant pheromone of Desmocerus californicus californicus.
Headspace volatiles from female Desmocerus aureipennis aureipennis contained
(R)-desmolactone, and the antennae...
Full Text:
(Cerambycidae:
Lepturinae)
Ray, A. M., Arnold, R. A., Swift, I., Schapker, P. A., McCann, S., Marshall, C. J