The hemlock woolly adelgid (HWA), Adelges tsugae Annand (Hemiptera: Adelgidae), is an invasive insect that is causing mortality of eastern hemlock trees, Tsuga canadensis , and Carolina hemlock trees, Tsuga caroliniana, across the eastern United States. To protect these ecologic…
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Coastal wetlands across the Southeastern U.S. coastline are among the most productive ecosystems worldwide, but are expected to experience challenges due to human alterations of the landscape, sea-level rise, and changing frequency of extreme events. Wetlands provide critical ec…
This dissertation helps develop principles that integrate aspects of policy analysis into sustainability science. The three principal chapters are 2, 3, and 4. Through an application to multiple sources of drinking water in the presence of other ecological services, Chapter 2 il…
Changing Chapultepec: Construction, Consumption, and Cultural Politics in a Mexico City Forest, 1934-1944 asks to whom does the forest belong? A study about how Chapultepec Forest in Mexico City became an emblematic space filled with didactic institutions, it argues that actors …
The accurate assessment of forest persistence under environmental change is dependent on the fundamental understanding of the genetic consequences of human intervention and its comparison to that of natural processes, as declines in genetic diversity and changes in its structuri…
Hurricanes are a relatively common occurrence along the gulf coast of Texas. This research analyzed the effect hurricanes have on the growth and structure of forests in southeastern Texas. Increment cores were taken from numerous species within the Neches Bottom Unit of the Big …
I studied factors affecting seed dispersal of nut-bearing deciduous trees, and examined how dispersal processes might be altered by forest fragmentation in the Midwestern U.S. The seeds of oaks (Quercus), hickories (Carya), and walnuts (Juglans) are dispersed by rodents and blue…
The struggle that Southern Indigenous peoples and local communities (IPLC) face to get recognition for their Indigenous and local knowledge (ILK) and sociocultural diversity, and to ensure their needs, livelihoods, and rights is an issue still awaiting to be properly addressed b…
White-tailed deer ( Odocoileus virginianus ) are hyperabundant in parts of Thousand Islands National Park because of their ecological impact on its forests. To manage the high number of deer on Hill Island, an annual population reduction occurs in the park. This study is intende…
Since the time of European settlement, land-use history, management practices, the introduction of non-native invasive species (NNIS), and climate change have dramatically changed the successional pathways of Southern Illinois forests. Biodiversity is considered essential for ec…
Alliaria petiolata is an invasive biennial herb in North America where it has detrimental impacts on flora and fauna. Allelopathy, the chemical inhibition of plant competitors, is one explanation for why A. petiolata is more successful in North America than in Eurasia, where it …
A graph consists of vertices and edges, connecting pairs of vertices. The subject of graph generation has a long history. Initial research focused on creating catalogues of graphs of small size. It has proved useful for creating input instances for different graph algorithms as …
How do militaries attempt to gain control over forbidding landscapes? How do advanced technologies designed to tame hostile environments shape military understandings of the battlefield? This dissertation examines the efforts of counterinsurgent forces to master the geographical…
In many rural regions of Amazonia, hunting, and game meat are important sources of food and cash income but hunters who hold substantial local ecological knowledge (LEK) are often criticized for depleting wildlife. In this thesis, I examine the potential of LEK household surveys…
This dissertation examines people’s relationships to place and community. The papers are linked by three broad themes: 1) place meanings, 2) community connections to resource places, and 3) innovative qualitative research methodologies.