Treesearch

This resource update is a brief look at some of the basicmetrics that describe the status of and changes to forestresources in east Texas. This information is based on fielddata collected using the USDA Forest Service ForestInventory and Analysis (FIA) annualized sample design, andit is updated yearly.The application that produced this resource update was developed using data from the USDA Forest Service Forest Inventory and Analysis database(FIADB): https://apps.fs.usda.gov/fia/datamart/datamart_excel.html Tables for Texas, 2019 can be found here: https://doi.org/10.2737/FS-RU-263-TablesTh...

This resource update is a brief look at some of the basic metrics that describe the status of and changes to forest resources in Tennessee. This information is based on field data collected using the USDA Forest Service ForestInventory and Analysis (FIA) annualized sample design, andit is updated yearly.The application that produced this resource update was developed using data from the USDA Forest Service Forest Inventory and Analysis database(FIADB): https://apps.fs.usda.gov/fia/datamart/datamart_excel.html Tables for Tennessee, 2017 can be found here: https://doi.org/10.2737/FS-RU-262-Ta...

This resource update is a brief look at some of the basic metrics that describe the status of and changes to forest resources in Kentucky. This information is based on field data collected using the USDA Forest Service Forest Inventory and Analysis (FIA) annualized sample design, andit is updated yearly.The application that produced this resource update was developed using data from the USDA Forest Service Forest Inventory and Analysis database(FIADB): https://apps.fs.usda.gov/fia/datamart/datamart_excel.htmlTables for Kentucky, 2017 can be found here: https://doi.org/10.2737/FS-RU-256-Tabl...

This resource update is a brief look at some of the basic metrics that describe the status of and changes to forest resources in Louisiana. This information is based on field data collected using the USDA Forest Service Forest Inventory and Analysis (FIA) annualized sample design, and it is updated yearly.The application that produced this resource update was developed using data from the USDA Forest Service Forest Inventory and Analysis database (FIADB): https://apps.fs.usda.gov/fia/datamart/datamart_excel.htmlTables for Louisiana, 2017 can be found here: https://doi.org/10.2737/FS-RU-257-...

The past decade has seen a rapid rise in beaver-related stream restoration (BRR) using beavers and beaver dams (real or artificial) as a tool. Potential benefits of this low-cost, nature-based restoration approach include restoring aquatic and riparian habitat and recovering of threatened species dependent on it, im­proving water availability and stream flow regulation, reducing erosion and stream incision, and sup­porting climate change adaptation. Although the ecological restoration literature acknowledges the im­portance of addressing the human dimensions of restoration. there is a gap...

The leaf beetle Diorhabda carinulata Desbrochers (Coleoptera: Chrysomelidae) was introduced into the United States in 1999 for classical biological control of the exotic woody invader saltcedar (Tamarix spp. L. [Caryophyllales: Tamaricaceae]). The recent southern expansion of the range of D. carinulata in the United States has precipitated conflict between proponents of biological control of Tamarix and those with concerns over habitat conservation for avian species. Several semiochemicals that mediate aggregations by this species have been reported, but no repellent compounds have been...

This paper presents a prototype Carbon Monitoring System (CMS) developed to produce regionally unbiased annual estimates of aboveground biomass (AGB). Our CMS employed a bottom-up, two-step modeling strategy beginning with a spatially and temporally biased sample: project datasets collected and contributed by US Forest Service (USFS) and other forestry stakeholders in 29 different project areas in the northwestern USA. Plot-level AGB estimates collected in the project areas served as the response variable for predicting AGB primarily from lidar metrics of canopy height and density (R2 =...

White-nose syndrome (WNS), caused by the fungal pathogen Pseudogymnoascus destructans (Pd), has driven alarming declines in North American hibernating bats, such as little brown bat (Myotis lucifugus). During hibernation, infected little brown bats are able to initiate anti-Pd immune responses, indicating pathogen-mediated selection on the major histocompatibility complex (MHC) genes. However, such immune responses may not be protective as they interrupt torpor, elevate energy costs, and potentially lead to higher mortality rates. To assess whether WNS drives selection on MHC genes, we...

A fundamental question in forest insect ecology is the role of forest landscape structure, particularly the amount and spatial configuration of host tree species, in shaping the dynamics of recurring forest insect outbreaks. For forest tent caterpillar (FTC), independent studies do not converge on a singular conclusion, although all indicate that forest structure influences outbreak dynamics. These studies also vary in how they treat climate as a covariate. We evaluated the relative importance of host forest landscape composition and configuration, as well as climate, for their influence...

In heterogeneous landscapes, large herbivores employ plastic behavioral strategies to buffer themselves against negative effects of environmental variation on fitness. Yet, the mechanisms by which individual responses to such variation scale up to influence population performance remain uncertain. Analyses of space-use behaviors exemplify this knowledge gap, because such behaviors are often assumed, but rarely demonstrated, to have direct fitness consequences. We combined fine-scale data on forage biomass and quality with movement data and measures of somatic energy reserves to determine...