News tagged with species invasions

US tiger shrimp sightings worry scientists

(AP) -- A big increase in reports of Asian tiger shrimp along the U.S. Southeast coast and in the Gulf of Mexico has federal biologists worried the species is encroaching on native species' territory.

Biology / Ecology

created Apr 27, 2012 | popularity 4 / 5 (1) | comments 0

Smartphone app now available to boost invasive species data collection

The new smartphone app for the Outsmart Invasive Species Project that lets people learn about, identify and report invasive species using an iPhone or Android is now available for free through iTunes and Google ...

Biology / Ecology

created Apr 20, 2012 | popularity 5 / 5 (1) | comments 0

Study: Fungus behind bat die-off came from Europe

The mysterious deaths of millions of bats in the United States and Canada over the past several years were caused by a fungus that hitchhiked from Europe, scientists reported Monday.

Biology / Plants & Animals

created Apr 09, 2012 | popularity 5 / 5 (1) | comments 0

Drawing connections between food webs

Ecosystems today face various threats, from climate change to invasive species to encroaching civilization. If we hope to protect these systems and the species that live in them, we must understand them — an extremely ...

Biology / Ecology

created Apr 04, 2012 | popularity 5 / 5 (3) | comments 0 | with audio podcast

Scientists developing poison pill for Asian carp

Biologist Jon Amberg has spent the last two years obsessed with fish guts, laboring over a singular challenge: Develop a poison pill that will kill Asian carp and leave other fish unscathed.

Biology / Ecology

created Apr 03, 2012 | popularity 2.3 / 5 (4) | comments 0

New paper assigns dollar figure to cost from ship-borne invasive species to the Great Lakes

Although there has been growing recognition among researchers and policy-makers that ship-borne invasive species cause a considerable economic toll, this environmental problem often goes unaddressed because of the difficulty ...

Biology / Ecology

created Mar 29, 2012 | popularity 5 / 5 (3) | comments 1

Fertilization by invasive species threatens nutrient-poor ecosystems

They can estimate whether native plants in the neighbourhood of invasive species incorporate the nitrogen fixed by the latter. The biologists examined the Sydney Golden Wattle (Acacia longifolia), an Australian shrub that ...

Biology / Ecology

created Mar 13, 2012 | popularity 5 / 5 (1) | comments 0

Smithsonian NEMESIS tracks marine invaders online

Mitten crabs, zebra mussels and rock vomit: These and hundreds of other non-native species have invaded coastal regions throughout the United States, often causing dramatic changes to coastal ecosystems and ...

Biology / Ecology

created Mar 12, 2012 | popularity not rated yet | comments 0

Carp dominate crayfish in invasive species battleground

(PhysOrg.com) -- Louisiana red swamp crayfish and common carp are two of the most invasive species on the planet yet how they interact has only recently been revealed by scientists at Queen Mary, University ...

Biology / Ecology

created Mar 06, 2012 | popularity not rated yet | comments 0

New study will help protect vulnerable birds from impacts of climate change

Scientists from PRBO Conservation Science and the Department of Fish and Game have completed an innovative study on the effects of climate change on bird species of greatest concern. This first-of-its-kind study prioritizes ...

Biology / Ecology

created Mar 02, 2012 | popularity not rated yet | comments 0

Supreme Court rejects emergency carp measures

(AP) -- The U.S. Supreme Court refused Monday to order emergency measures that might prevent Asian carp from reaching the Great Lakes, despite a warning that the exotic fish pose a "dire threat" to the region's ...

Space & Earth / Environment

created Feb 27, 2012 | popularity 5 / 5 (3) | comments 2

Human population the primary factor in exotic plant invasions in the United States

Extensive ongoing research on biotic invasions around the world constantly increases data availability and improves data quality. New research in the United States shows how using improved data from previous ...

Biology / Ecology

created Feb 23, 2012 | popularity 5 / 5 (1) | comments 0

Invasive plant protects Australian lizards from invasive toad

An invasive plant may have saved an iconic Australian lizard species from death at the hands of toxic cane toads, according to research published in the March issue of The American Naturalist. It's an int ...

Biology / Plants & Animals

created Feb 22, 2012 | popularity 4.7 / 5 (3) | comments 3

Repelling the knapweed invasion

The problem of invasive species may seem remote from most people's lives. But in some parts of the United Kingdom, an invasive plant creates a problem that hits home, literally. That's because the presence of invasive knotweed ...

Biology / Ecology

created Feb 19, 2012 | popularity 4 / 5 (1) | comments 0

Fighting crimes against biodiversity: How to catch a killer weed

Invasive species which have the potential to destroy biodiversity and influence global change could be tracked and controlled in the same way as wanted criminals, according to new research from Queen Mary, University of London.

Biology / Ecology

created Feb 10, 2012 | popularity 4 / 5 (1) | comments 0