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11 results for “aspen leaf miner”
Survey of Aspen leaf miner (Phyllocnistis populiella) Oviposition Per Leaf Sampled in Interior Alaska Aspen Stands near Fairbanks from 2004 to 2022
The datasets contains annual counts of aspen leaf miner eggs, incipient mines, and egg scars (indicating egg predation) on aspen leaves over time. There are two files representing pilot data from 2004-2005 and data 2006-2022. The 2004-05 dataset does not include egg scars, indicaitive of egg removal, and therefore totals underestimate total oviposition. The 2006-2022 dataset does include egg scars and therefore can be used to estimate total oviposition per leaf.
Survey of aspen herbivory and aspen leaf miner (Phyllocnistis populiella) survival and abundance from 2006 to 2022
Leaf-level measurements of herbivory damage on quaking aspen caused by the aspen leaf miner (ALM) and externally-feeding herbivores, and ALM abundance and survival, from four sites near Fairbanks, Alaska over time.
Effect of the aspen leaf miner feeding damage on aspen leaf gas exchange and water relations from south-facing site on the University of Alaska Fairbanks campus: Fairbanks, Alaska 2018
This dataset addresses the effects of epidermal leaf mining by the aspen leaf miner (Phyllocnistis populiella) on the physiology and water relations of aspen leaves. The dataset contains measurements of gas exchange, water potential, water content, and delta13C of aspen leaves manipulated to bear leaf mining damage on the top (adaxial) leaf surface only, the bottom (abaxial) leaf surface only, or no mining damage.
Tree ring, leaf mining, climate, and remote sensing data from aspen leaf miner survey sites: III - Climate, leaf mining, and NDVI data
This dataset contiains annual site-level measurements from 2004 - 2015 of growing season climate moisture index ( GS CMI; summed CMI from May - September), average site level leaf mining, and mean July - August normalized difference vegetation index (NDVI) derived from Landsat, GIMMS3g, MODIS Aqua, and MODIS Terra
Climate-driven thermal opportunities and risks for leaf miners in aspen canopies
In tree canopies, incoming solar radiation interacts with leaves and branches to generate temperature differences within and among leaves, presenting thermal opportunities and risks for leaf-dwelling ectotherms. Although leaf biophysics and insect thermal ecology are well understood, few studies have examined them together in single systems. We examined temperature variability in aspen canopies, Populus tremuloides, and its consequences for a common herbivore, the leaf-mining caterpillar Phyllocnistis populiella. We shaded leaves in the field and measured effects on leaf temperature and larval growth and survival. We also estimated larval thermal performance curves for feeding and growth and measured upper lethal temperatures. Sunlit leaves directly facing the incoming rays reached the highest temperatures, typically 3 – 8 °C above ambient air temperature. Irradiance driven increases in temperatures, however, were transient enough that they did not alter observed growth rates of leaf miners. Incubator and ramping experiments suggested that larval performance peaks between 25 and 32 °C and declines to zero between 35 and 40 °C, depending on duration of temperature exposure. Upper lethal temperatures during one-hour heat shocks were 42 – 43 °C. When larvae were active in early spring, temperatures generally were low enough to depress rates of feeding and growth below their maxima, and only rarely did estimated mine temperatures rise beyond optimal temperatures. Observed leaf or mine temperatures never approached larval upper lethal temperatures. At this site during our experiments, larvae thus appeared to have a significant thermal safety margin; the more pressing problem was inadequate heat. Detailed information on mine temperatures and larval performance curves, however, allowed us to leverage long-term data sets on air temperature to estimate potential future shifts in performance and longer-term risks to larvae from lethally high temperatures. This analysis suggests that, in the past 20 years, larval performance has often been limited by cold and that the risk of heat stress has been low. Future warming will raise mean rates of feeding and growth but also the risk of exposure to injuriously or lethally high temperatures.
Climate-driven thermal opportunities and risks for leaf miners in aspen canopies
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Long term consequences of aspen leaf miner outbreak for plant performance
This dataset represents the results of experimental suppression of herbivory by the aspen leaf miner, Phyllocnistis populiella, over a period of seven years, between 2005 and 2012. There were two study sites, one at Bonanza Creek LTER and the other near the summit of Ester Dome. Reported here are mortality, die-back, and initial and final sizes of aspen ramets.
Consequences of aspen leaf miner outbreak for plant performance
This dataset represents the results of experimental suppression of herbivory by the aspen leaf miner, Phyllocnistis populiella, over a period of three years, 2005 to 2007. There were two study sites, one at Bonanza Creek LTER and the other near the summit of Ester Dome. Reported here are herbivory and growth of aspen ramets.
Tree ring, leaf mining, climate, and remote sensing data from aspen leaf miner survey sites: I - Basal area increment and d13C
This dataset contiains basal area increment (BAI) and d13C chronologies of 47 aspen cored in 2016 across four sites where leaf mining has been documented since 2004. Chronologies of BAI extend as far back as 1957 and up to 2015. Tree ring d13C chronologies extend from 2004-2015 and were measured on 23 trees from two fo the four sites.
Tree ring, leaf mining, climate, and remote sensing data from aspen leaf miner survey sites: II - Tree DBH and age
This dataset contiains tree level measurements of diameter at breast height (DBH) and age of aspen that were sampled in 2015 for tree ring anlyses. The tree ages provided are the age of the tree in 2015.
Data from: Contrasting effects of climate warming on hosts and parasitoids: Insights from Rocky Mountain aspen leaf miners and their parasitoids
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OpenNeuro
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