Climate-driven trends in stem wood density of tree species in the eastern United States: Ecological impact and implications for national forest carbon assessments

2017 ◽  
Vol 26 (10) ◽  
pp. 1153-1164 ◽  
Author(s):  
Brian J. Clough ◽  
Miranda T. Curzon ◽  
Grant M. Domke ◽  
Matthew B. Russell ◽  
Christopher W. Woodall
Keyword(s):  
United States ◽  
Wood Density ◽  
Tree Species ◽  
Ecological Impact ◽  
Forest Carbon ◽  
National Forest ◽  
Eastern United States ◽  
Stem Wood

Spatial patterns of within-tree Enaphalodes rufulus (Coleoptera: Cerambycidae) attacks during outbreak conditions in the Ozark National Forest in Arkansas, United States of America

2019 ◽  
Vol 151 (6) ◽  
pp. 738-744
Author(s):  
Jessica A. Hartshorn ◽  
Larry D. Galligan ◽  
Fred M. Stephen
Keyword(s):  
United States ◽  
Spatial Distribution ◽  
United States Of America ◽  
Intraguild Predation ◽  
Resource Partitioning ◽  
National Forest ◽  
Eastern United States ◽  
Ozark Mountains ◽  
Oak Trees ◽  
Wood Borer

AbstractEnaphalodes rufulus (Haldeman) (red oak borer; Coleoptera: Cerambycidae) is a native wood borer that colonises and develops in oaks (Quercus Linnaeus; Fagaceae) across southeastern Canada and the eastern United States of America. It is rarely considered a pest because it normally occurs at low population density levels in stressed or dying oak trees. In the late 1990s and early 2000s there was a large, historically unique outbreak of E. rufulus in the Ozark mountains of Arkansas and Missouri, United States of America. This outbreak provided an opportunity to investigate within-tree spatial distribution of attacks during unusually high insect population levels. Fifty trees from northern Arkansas were felled and destructively sampled. The locations of attack sites by female E. rufulus were standardised across varying heights and diameters for comparison across trees. Attack sites showed a significant clustered pattern within trees. Attack sites were aggregated towards the lower and middle bole, and on the south-facing side of trees. This pattern has been seen in other insects, including wood borers, and is potentially related to differences in temperature. These patterns of ovipositional behaviour in outbreak situations have implications for E. rufulus resource partitioning and facultative intraguild predation among larvae.

Can Clearcutting Reset Successional Trajectories in Upland Oak–Hickory Forests? A Case Study from Mid-Missouri

2019 ◽  
Vol 117 (5) ◽  
pp. 435-442
Author(s):  
Benjamin O Knapp ◽  
Samantha E Anderson ◽  
Patrick J Curtin ◽  
Casey Ghilardi ◽  
Robert G Rives
Keyword(s):  
United States ◽  
Tree Species ◽  
Eastern United States ◽  
Oak Regeneration ◽  
Species Dominance ◽  
Relative Contribution ◽  
Successional Trajectory ◽  
Species Groups ◽  
Management Challenge

Abstract Securing oak regeneration is a common management challenge in the central and eastern United States. We quantified the abundance of tree species groups in clearcuts in mid-Missouri more than 30 years following harvest to determine differences in species dominance based on aspect (exposed, protected, or ridge sites). Each tree was classified as “dominant” or “suppressed” based on its relative contribution to cumulative stand stocking, following concepts of the tree–area relation. Although maples or understory species were the most abundant across all sites, oaks and hickories contributed to more than 60 percent of the dominant stems on the exposed sites. In contrast, oaks and hickories made up less than 25 percent of the dominant stems on protected and ridge sites. Results indicate that clearcutting reset the successional trajectory, from a transition to maple dominance to maintaining oak–hickory dominance, on exposed sites but not on ridge or protected sites.

scholarly journals Facilitating Adaptive Forest Management under Climate Change: A Spatially Specific Synthesis of 125 Species for Habitat Changes and Assisted Migration over the Eastern United States

Forests ◽  
2019 ◽  
Vol 10 (11) ◽  
pp. 989 ◽  
Author(s):  
Louis R. Iverson ◽  
Anantha M. Prasad ◽  
Matthew P. Peters ◽  
Stephen N. Matthews
Keyword(s):  
Climate Change ◽  
United States ◽  
Tree Species ◽  
Habitat Suitability ◽  
Analysis Data ◽  
Suitable Habitat ◽  
Eastern United States ◽  
Data Set ◽  
The Face ◽  
Suitable Habitats

We modeled and combined outputs for 125 tree species for the eastern United States, using habitat suitability and colonization potential models along with an evaluation of adaptation traits. These outputs allowed, for the first time, the compilation of tree species’ current and future potential for each unit of 55 national forests and grasslands and 469 1 × 1 degree grids across the eastern United States. A habitat suitability model, a migration simulation model, and an assessment based on biological and disturbance factors were used with United States Forest Service Forest Inventory and Analysis data to evaluate species potential to migrate or infill naturally into suitable habitats over the next 100 years. We describe a suite of variables, by species, for each unique geographic unit, packaged as summary tables describing current abundance, potential future change in suitable habitat, adaptability, and capability to cope with the changing climate, and colonization likelihood over 100 years. This resulting synthesis and summation effort, culminating over two decades of work, provides a detailed data set that incorporates habitat quality, land cover, and dispersal potential, spatially constrained, for nearly all the tree species of the eastern United States. These tables and maps provide an estimate of potential species trends out 100 years, intended to deliver managers and publics with practical tools to reduce the vast set of decisions before them as they proactively manage tree species in the face of climate change.

A Tale of Two Forest Carbon Assessments in the Eastern United States: Forest Use Versus Cover as a Metric of Change

Ecosystems ◽  
2016 ◽  
Vol 19 (8) ◽  
pp. 1401-1417 ◽  
Author(s):  
C. W. Woodall ◽  
B. F. Walters ◽  
M. B. Russell ◽  
J. W. Coulston ◽  
G. M. Domke ◽  
...  
Keyword(s):  
United States ◽  
Forest Carbon ◽  
Eastern United States ◽  
Forest Use

scholarly journals Monitoring Network Confirms Land Use Change is a Substantial Component of the Forest Carbon Sink in the eastern United States

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
C. W. Woodall ◽  
B. F. Walters ◽  
J. W. Coulston ◽  
A. W. D’Amato ◽  
G. M. Domke ◽  
...  
Keyword(s):  
United States ◽  
Land Use ◽  
Land Use Change ◽  
Carbon Sink ◽  
Monitoring Network ◽  
Forest Carbon ◽  
Eastern United States
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