Invasive Species Program

News

Filter Total Items: 25
Date published: August 10, 2020

RAMPS Newsletter - Summer 2020 Edition

This season's edition of the Restoration Assessment and Monitoring Program for the Southwest Newsletter contains recent program highlights including research updates, new projects, field updates and more.

To subscribe to our newsletter, please visit: ...

Date published: July 22, 2020

RESEARCH BRIEF: RestoreNet Report Card

RestoreNet is a networked ecological experiment testing restoration treatments across the arid Southwest. Seven experimental sites were installed in the Summer of 2018 on the rangelands of Northern Arizona. The experiments tested seed mixes with various treatments to increase revegetation success (see photos above). These are the results after the first year.

Read more about...

Date published: July 10, 2020

USGS and Partners Tracking and Removing Burmese Pythons in Southern Florida

Washington – Today, the U.S. Geological Survey (USGS), U.S. National Park Service (NPS), U.S. Fish and Wildlife Service (FWS) and Conservancy of Southwest Florida announced they have teamed up to radio-track Burmese pythons in Big Cypress National Preserve, Crocodile Lake National Wildlife Refuge and other areas of Southwest Florida.

Date published: May 22, 2020

USGS Brown Treesnake Research Continues at Guam National Wildlife Refuge

On May 14, Director Reilly signed a Memorandum of Agreement with the Department of the Navy and the U.S. Fish and Wildlife Service. The MOA provides for continuity of operations for the USFWS and the USGS with construction of new office and lab facilities on the Guam National Wildlife Refuge in conjunction with DOD’s construction of a Marine Corps firing range.

Date published: May 20, 2020

RESEARCH BRIEF: Cost- benefit analysis of vegetation removal + seeding

Weighing costs relative to outcomes: woody and invasive plant removal followed by seeding in shrublands and woodlands.

New study by RAMPS researchers examines how the costs of vegetation treatments related to outcomes. 

...

Date published: January 23, 2020

New Study Provides Insights for Detecting the Invasive Brown Treesnake

Research by the USGS and Dickinson College reveals why scientists fail to detect brown treesnakes at low densities

Date published: October 1, 2019

Detecting Invasive and Rare Species with the National Streamflow Network

Two recently published papers suggest the integration of environmental DNA, or eDNA, sampling at select National Streamflow Network streamgages in the U.S. Northwest is feasible.

Date published: April 19, 2019

How Spotted and Barred Owls Share the Forest

Over the past century barred owls have been expanding their range westward, encroaching into the old-forest habitat of their sister species, the federally threatened northern spotted owl. Population declines of spotted owls were originally attributed to habitat loss.

Date published: November 2, 2018

Vegetative Community Response to Landscape Scale Post-fire Herbicide (Imazapic) Application

The timing of herbicide application following wildfire can strongly influence its effectiveness. USGS researchers evaluated the effect of the commonly used herbicide imazapic on targeted exotic annual grasses and non-target plants, applied the first winter or second fall after the 2015 Soda wildfire. 

Date published: June 14, 2016

Moving Barges Have Potential to Transport Invasive Fish

When a moving barge encounters small fish in the Illinois Waterway there is a possibility that the fish will become trapped in the gap between barges, according to a new study by the U.S. Fish and Wildlife Service and the U.S. Geological Survey.

Date published: March 3, 2016

Brown Treesnake Rapid Response Team Deployed to Saipan after Two Snake Sightings

Two recent reports of two brown treesnakes on Saipan is prompting federal and state officials to urge citizens of Hawaii, Guam and other Pacific Islands to report any sightings of these invasive snakes to authorities. Snakes can be reported by calling (671) 777-HISS or (670) 28-SNAKE.