Featured Research

from universities, journals, and other organizations

Invasive Species: Part Of The Price Of Doing Business, Environmental Economist Says

Date:
February 23, 2009
Source:
Arizona State University
Summary:
When the sun rides low on the horizon and winter chills wrap us all in down and fleece, global trade brings blueberries from South America, oranges from Israel. But trade in exotic goods also comes with significant local economic costs, explains a professor of environmental economics.

When the sun rides low on the horizon and winter chills wrap us all in down and fleece, global trade brings blueberries from South America, oranges from Israel. But trade in exotic goods also comes with significant local economic costs, explains Charles Perrings, professor of environmental economics at Arizona State University.

Related Articles


In the rush to market, products also bring hitchhikers: invasive species. These exotics often overtake native species, ravage agriculture, fisheries and forestry, and damage ecosystems and, ultimately, economics. Disproportionately so in developing countries' economies, Perrings says. In a presentation at the Association for the Advancement of Science (AAAS) meeting on Feb. 13, Perrings puts forward an issue that, he says, currently attracts more expenditures than any other environmental problem.

How can what seems like only a few zebra mussels and Mediterranean fruit flies (Medfly) have such a large economic effect? Besides obvious direct impacts of pathogens and losses to biodiversity, disrupted ecosystems also lose resilience, the ability to spring back from environmental challenges and human-based insults.

The numbers are staggering. Perrings, whose four-volume "Ecological Economics" has just been published, refers to one estimate that the annual economic damage due to invasive species is equal to 53 percent of agricultural GDP in the United States, 31 percent in the United Kingdom and 48 percent in Australia, but 96 percent, 78 percent and 112 percent of agricultural GDP in South Africa, India and Brazil, respectively.

What is the solution? In a nutshell: thinking locally and acting globally. According to Perrings' study "individual countries need to consider how to contain trade-related species dispersal and international cooperation needs to act to reduce the invasive species risks of trade – especially those stemming from poor country exports."

Perrings' studies in the School of Life Sciences at Arizona State University focus on the role of global drivers of biodiversity change, particularly trade in altering ecosystems services and in developing both institutional and policy responses. He and colleague Ann Kinzig, associate professor in ASU School of Life Sciences, direct the ecoSERVICES group in ASU's College of Liberal Arts and Sciences. This group operates a number of international research programs, including "Advancing Conservation in a Social Context," funded by the MacArthur Foundation. The ecoSERVICES group concentrates on "the causes and consequences of change in ecosystem services – the benefits that people derive from the biophysical environment – and analyzes biodiversity change in terms of its impacts on the things that people care about."

Most recently, a group of researchers from ecoSERVICES, in partnership with the Civil and Environmental Engineering Departments at ASU, were awarded a $2 million grant by the National Science Foundation. The Sustainable Infrastructure for Water and Energy Supply (SINEWS) project will examine the resilience and sustainability of power and water infrastructures in semi-arid urban settings.

"The principle challenge to building a science of sustainability is the development of predictive models of systems change that enable society to evaluate mitigation options alongside adaptation," says Perrings.

The economic problems posed by invasive species, he believes, will require "measures to 'internalize' the external costs of trade – to confront exporters and importers with the true cost of their actions.

"But, it also requires defensive measures to mitigate import risks, to control established invasive species, and to coordinate international action to regulate trade routes," Perrings adds. "This problem is particularly difficult to contend with in low income countries. They are vulnerable to the effects of invasive species, but also have fewer resources to adopt effective sanitary or other control measures."

What could these insights mean on one's own home turf? The recent move to buy locally, combined with well regulated imports might come with an added pay-off to the pocket book, as well carbon foot print: healthier ecosystems.


Story Source:

The above story is based on materials provided by Arizona State University. Note: Materials may be edited for content and length.


Cite This Page:

Arizona State University. "Invasive Species: Part Of The Price Of Doing Business, Environmental Economist Says." ScienceDaily. ScienceDaily, 23 February 2009. <www.sciencedaily.com/releases/2009/02/090213172042.htm>.
Arizona State University. (2009, February 23). Invasive Species: Part Of The Price Of Doing Business, Environmental Economist Says. ScienceDaily. Retrieved January 27, 2015 from www.sciencedaily.com/releases/2009/02/090213172042.htm
Arizona State University. "Invasive Species: Part Of The Price Of Doing Business, Environmental Economist Says." ScienceDaily. www.sciencedaily.com/releases/2009/02/090213172042.htm (accessed January 27, 2015).

Share This


More From ScienceDaily



More Plants & Animals News

Tuesday, January 27, 2015

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

How To: Mixed Green Salad Topped With Camembert Cheese

How To: Mixed Green Salad Topped With Camembert Cheese

Rumble (Jan. 26, 2015) Learn how to make a mixed green salad topped with a pan-seared camembert cheese in only a minute! Music: Courtesy of Audio Network. Video provided by Rumble
Powered by NewsLook.com
Water Fleas Prepare for Space Voyage

Water Fleas Prepare for Space Voyage

Reuters - Innovations Video Online (Jan. 26, 2015) Scientists are preparing a group of water fleas for a unique voyage into space. The aquatic crustaceans, known as Daphnia, can be used as a miniature model for biomedical research, and their reproductive and swimming behaviour will be tested for signs of stress while on board the International Space Station. Jim Drury went to meet the team. Video provided by Reuters
Powered by NewsLook.com
Husky Puppy Plays With Ferret

Husky Puppy Plays With Ferret

Rumble (Jan. 26, 2015) It looks like this 2-month-old Husky puppy and the family ferret are going to be the best of friends. Look at how much fun they&apos;re having together! Credit to &apos;Vira&apos;. Video provided by Rumble
Powered by NewsLook.com
Scientists Model Flying, Walking Drone After Vampire Bats

Scientists Model Flying, Walking Drone After Vampire Bats

Buzz60 (Jan. 26, 2015) Swiss scientists build a new drone that can both fly and walk, modeling it after the movements of common vampire bats. Jen Markham (@jenmarkham) has the story. Video provided by Buzz60
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Plants & Animals

Earth & Climate

Fossils & Ruins

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins