Scientists from the Center for Systems Integration and Sustainability at Michigan State University used a simulation model to study the amount of land farmers in the Wolong Nature Reserve in southwestern China reenrolled in the Grain-to-Green Program (GTGP), which aims to reduce soil erosion by converting sloping cropland to forest or grassland. Farmers receive an annual payment of either 5,000 pounds of grain or $498 for each 2.5 acres enrolled in the program. In 2005, this was about 8 percent of the farmers’ income.
“To achieve global environmental sustainability, it is important to go beyond traditional economic and regulatory approaches,” said Jianguo "Jack" Liu, center director and a co-author on the paper. Liu holds the Rachel Carson Chair in Sustainability at MSU.
Xiaodong Chen, who conducted the research while working on his doctorate at MSU, and colleagues found that if farmers had the opportunity to interact with each other, they were willing to reenroll their land in the GTGP. And the more times they interacted, the more land was reenrolled.
The study is published online in the journal Ecological Modeling.
“When people talked to each other, they learned of the others’ decisions and were more likely to reenroll their land at the same payment,” said Chen, now assistant professor of geography at the University of North Carolina-Chapel Hill. “More than 15 percent more land was reenrolled when people had 10 interactions with their neighbors. With three interactions, 7.5 percent more land was reenrolled. The study shows that if people interact, it improves the efficiency of the program and is good for the environment.”
The research builds on earlier findings by Liu and Chen showing that employed people in larger Chinese cities were more likely to adopt environmental behaviors, such as separating recyclables from trash, recycling plastic bags or participating in environmental education programs.
“One of the possible reasons urban Chinese who have jobs tend to be more green-minded is because people's environmental behavior may be affected by other people's environmental behavior in their working environment,” Chen explained. In the Wolong Nature Reserve, we found that people's participation in the GTGP also is definitely affected by their neighbors' behavior.”
The Wolong Nature Reserve is home to several thousand species of plants and animals, including the endangered giant panda.
“The GTGP takes advantage of the general trend of rural-to-urban migration in China,” Chen added. “People want to work off-farm, but they don’t want to give up their land. Grain-to-Green allows them to do that and still get some income from the land. We found that if they talked to their neighbors, most people would actually leave the land in the program even if the payments stopped.”
In addition to Liu and Chen, other study authors are Frank Lupi, MSU professor of environmental and natural resources economics and fisheries and wildlife; Andrés Viña, MSU research specialist; Li An, of San Diego State University; and Ryan Sheely, of Harvard University. Lupi and Vina are also CSIS members.
The research was funded by the National Science Foundation, NASA, the National Institutes of Health, the MSU Environmental Research Initiative, MSU AgBioResearch, and the Giorgio Ruffolo Fellowship in Sustainability Science at Harvard University.
Jamie DePolo | EurekAlert!
Plasma-zapping process could yield trans fat-free soybean oil product
02.12.2016 | Purdue University
New findings about the deformed wing virus, a major factor in honey bee colony mortality
11.11.2016 | Veterinärmedizinische Universität Wien
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
The Max Planck Institute for Physics (MPP) is opening up a new research field. A workshop from November 21 - 22, 2016 will mark the start of activities for an innovative axion experiment. Axions are still only purely hypothetical particles. Their detection could solve two fundamental problems in particle physics: What dark matter consists of and why it has not yet been possible to directly observe a CP violation for the strong interaction.
The “MADMAX” project is the MPP’s commitment to axion research. Axions are so far only a theoretical prediction and are difficult to detect: on the one hand,...
Broadband rotational spectroscopy unravels structural reshaping of isolated molecules in the gas phase to accommodate water
In two recent publications in the Journal of Chemical Physics and in the Journal of Physical Chemistry Letters, researchers around Melanie Schnell from the Max...
The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs.
Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power...
16.11.2016 | Event News
01.11.2016 | Event News
14.10.2016 | Event News
02.12.2016 | Medical Engineering
02.12.2016 | Agricultural and Forestry Science
02.12.2016 | Physics and Astronomy