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Genetic Signatures of Thermal Adaptation are Associated with Changes in Life History in a Broadly Distributed Frog

Genetic Signatures of Thermal Adaptation are Associated with Changes in Life History in a Broadly Distributed Frog

Temperature is a critical driver of Columbia spotted frog (Rana luteiventris) life history strategies.

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Soil Nitrogen Level Driven by Nitrogen-Fixing vs. Non-Fixing Trees Mediates Whether Greenhouse Gases are Released or Sequestered

Soil Nitrogen Level Driven by Nitrogen-Fixing vs. Non-Fixing Trees Mediates Whether Greenhouse Gases are Released or Sequestered

Forest uptake of carbon dioxide (CO2) sequesters carbon which mitigates climate change.

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Land Treatment Exploration Tool Website Improvements and New Features

Land Treatment Exploration Tool Website Improvements and New Features

The Land Treatment Exploration Tool website was recently updated to include many improvements and new features.

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Establishment and Survival of Subalpine Fir Seedlings in Olympic National Park Meadows

Establishment and Survival of Subalpine Fir Seedlings in Olympic National Park Meadows

Tree establishment in subalpine meadows is a multistep process, from cone production through adult survival, and a potential indicator of ecological...

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Differential Reliance on Aquatic Prey Influences Mercury Exposure in Riparian Arachnids and Songbirds

Differential Reliance on Aquatic Prey Influences Mercury Exposure in Riparian Arachnids and Songbirds

Aquatic insects are an important prey source for birds and other insects, but may also move aquatic contaminants, such as mercury, to riparian food...

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Enigmatic Extinction in a Boreal Toad Population in Northwestern Montana

Enigmatic Extinction in a Boreal Toad Population in Northwestern Montana

The amphibian chytrid fungus Batrachochytrium dendrobatidis has been implicated in boreal toad declines, although its overall effect on population...

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Yearly Temperature Fluctuations and Survey Speed Influence Road Counts of Wintering Raptors

Yearly Temperature Fluctuations and Survey Speed Influence Road Counts of Wintering Raptors

Researchers examined data from 2,155 road surveys of raptors conducted from 2001–2018 by community scientists while participating in the Pennsylvania...

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Sagebrush Recovery Patterns after Fuel Treatments Affected by Disturbance Type and Plant Functional Group Interactions

Sagebrush Recovery Patterns after Fuel Treatments Affected by Disturbance Type and Plant Functional Group Interactions

Researchers evaluated 10-year effects of fuel treatments on sagebrush recruitment and plant functional group interactions using Sagebrush Treatment...

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Fire Frequency Impacts Soil Properties and Processes in Sagebrush Steppe Ecosystems of the Columbia Basin

Fire Frequency Impacts Soil Properties and Processes in Sagebrush Steppe Ecosystems of the Columbia Basin

There is uncertainty about the magnitude of change semi-arid soils experience as they are exposed to more fires.

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A Chemical and Bio-Herbicide Mixture Increased Exotic Invaders, Both Targeted and Non-Targeted, Across a Diversely Invaded Landscape After Fire

A Chemical and Bio-Herbicide Mixture Increased Exotic Invaders, Both Targeted and Non-Targeted, Across a Diversely Invaded Landscape After Fire

Herbicides sprayed to inhibit exotic annual grass germination and establishment can have unintended effects, including the release of secondary...

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Weather Affects Post-Fire Recovery of Sagebrush-Steppe Communities and Model Transferability Among Sites

Weather Affects Post-Fire Recovery of Sagebrush-Steppe Communities and Model Transferability Among Sites

Altered climate, including weather extremes, can affect vegetative recovery after disturbances. USGS researchers compared models to determine how...

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Surface-Air Mercury Fluxes and a Watershed Mass Balance in Forested and Harvested Catchments

Surface-Air Mercury Fluxes and a Watershed Mass Balance in Forested and Harvested Catchments

Forest soils can act as repositories for atmospherically deposited mercury, yet forestry practices can influence mercury mobility and fluxes, food web...

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