UNH Today

UNH Researchers Identify More Effective Method to Delineate Tree Crowns Using Unmanned Aerial Imagery

In a new study, Âé¶¹app researchers have concluded that when assessing forest imagery collected by unmanned aerial systems, an alternative method of delineating individual forest tree crowns within those images is more accurate than the most commonly used method, the canopy height model.

UNH Research: Great Recession Changed U.S. Migration Patterns

The economic shocks of the housing-market crisis and Great Recession were associated with striking changes in net migration patterns in both rural and urban America, with rural farming communities experiencing different migration trends than other rural areas, according to new research funded by theÌý.

Ken Johnson, a demographer and professor of sociology at the Âé¶¹app, and colleagues from the University of Wisconsin, found:

UNH Scientist, Senegalese Researcher Tackle Land Salinization

Salt left behind from ocean spray is so concentrated on land in parts of Africa that one can see salt crystals in the soil sparkling in the sun. For farmers in these areas, the increased salinization of prime agricultural land is having a detrimental impact.

This spring, Dr. Louis S. Tisa, a researcher with the NH Agricultural Experiment Station and professor of molecular, cellular, and biomedical sciences in the UNH College of Life Sciences and Agriculture, welcomed an international scholar who is working to find solutions to the issue of land salinization in Africa.