Roundup of the Week's Invasive Species News Stories - Jan 24, 2013

We are continuing with our semi-regular series here on the ISAM Newsblog to highlight some recent news stories around the nation about invasive species.

Global plant diversity hinges on local battles against invasive species
http://www.sciencecodex.com/global_plant_diversity_hinges_on_local_battles_against_invasive_species-105553 
Science Codex
Most studies of the effects of invasive plants are done at a single scale, report the scientists in this week's issue of the journal Science.

Invasive species changing Oregon's dunes
http://www.registerguard.com/web/news/cityregion/29322318-57/forest-service-invasive-species-trails.html.csp
The Register-Guard
While sides battle over illicit OHV trails in the Oregon Dunes National Recreation Area, another major problem looms over the natural landmark. Vast expanses of open sand are being overrun, under attack from invasive plants

'Python Challenge' aims to curb Florida's invasive species http://blogs.pjstar.com/eye/2013/01/19/monthlong-python-challenge-aims-to-curb-floridas-invasive-species/ Peoria Journal Star (blog) Wildlife officials say more than 1,000 people signed up for the competition that began Saturday and ends Feb. 10. The state hopes the hunters will help researchers collect more information about the pythons. Partnership battles invasive Hog Weed in St. Lawrence County waterways http://northcountrynow.com/news/partnership-battles-invasive-hog-weed-st-lawrence-county-waterways-076649 North Country Now A partnership dedicated to battling invasive species in the North helped contain Hog Weed and limit the spread of Water Chestnut plants in St. Lawrence County waterways in 2012.