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Technical Announcements

Explore the technical news that focuses on data, methodologies, and more. Use an RSS reader, browser extension, or software to get updates when new Technical Announcements are posted.

Filter Total Items: 266
Grass Carp Eggs Compromised by Settling on Streambeds

Grass Carp Eggs Compromised by Settling on Streambeds

Grass carp egg survival is compromised when they settle on streambeds and are potentially covered by sediments, according to a new study by the U.S...

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Invasive Silver Carp Respond Strongly to Sound

Invasive Silver Carp Respond Strongly to Sound

Silver carp, a species of invasive Asian carp, demonstrated a strong aversion to certain noises during a recent study on the potential use of sound...
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Fire Patterns in the Range of the Greater Sage-Grouse, 1984-2013

Fire Patterns in the Range of the Greater Sage-Grouse, 1984-2013

OAKHURST, Calif. -- Overall fire threats to greater sage-grouse habitat are much higher in the western part of the species’ range than in the eastern...
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Sage-grouse Priority Areas Function as an Interdependent Network

Sage-grouse Priority Areas Function as an Interdependent Network

BOISE, Idaho — The network of greater sage-grouse priority areas is a highly centralized system of conservation reserves. The largest priority areas...
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What Happened to Early Mars’ Atmosphere? New Study Eliminates One Theory

What Happened to Early Mars’ Atmosphere? New Study Eliminates One Theory

A new analysis of the largest known deposit of carbonate minerals on Mars helps limit the range of possible answers about how and why Mars changed...
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USGS Engravings: Update on Public Sales

USGS Engravings: Update on Public Sales

From the 1880s to the 1950s, the U.S. Geological Survey (USGS) engraved information from its surveys on metal plates (usually copper) as part of a...
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Trends in River Pesticide Levels Echo Pesticide Use

Trends in River Pesticide Levels Echo Pesticide Use

Trends in pesticide concentrations in 38 major rivers in the U.S. during 1992-2010 reflect large-scale trends in pesticide use and regulatory changes...
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Ecologists Roll a Century’s Work on Food-webs into a Single Model

Ecologists Roll a Century’s Work on Food-webs into a Single Model

In a paper released today in Science, a new model presents a common mathematical structure that underlies the full range of feeding strategies of...
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Geologic Map of Baranof Island, Southeastern Alaska Now Online

Geologic Map of Baranof Island, Southeastern Alaska Now Online

ANCHORAGE, Alaska — In the 20th century, Baranof Island in Southeastern Alaska has drawn attention for its gold, chrome and nickel deposits, timber...

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Adaptive capacity of species - a fundamental component when assessing vulnerability to rapid climate change.

Adaptive capacity of species - a fundamental component when assessing vulnerability to rapid climate change.

A new paper led by U.S. Geological Survey Ecologists Erik Beever (Northern Rocky Mountain Science Center) and Michelle Staudinger (Northeast Climate...

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Extensive Investigation of Intermittent Streams Indicates Link to Past Climate

Extensive Investigation of Intermittent Streams Indicates Link to Past Climate

A new USGS study published in the journal River Research and Applications presents an extensive analysis of temporary (intermittent) streams across...

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3DEP Data Acquisition Opportunity - FY15/16 Broad Agency Announcement

3DEP Data Acquisition Opportunity - FY15/16 Broad Agency Announcement

On July 17, 2015, the USGS issued the FY15/FY16 Broad Agency Announcement (BAA) for 3D Elevation Program (3DEP). The BAA provides detailed information...

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