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Articles 1 - 6 of 6
Full-Text Articles in Forest Sciences
The Role Of Leaf Decomposition In Macroinvertebrate Colonization, Bethany Mabel Lian Schorr, Kevin Geedey
The Role Of Leaf Decomposition In Macroinvertebrate Colonization, Bethany Mabel Lian Schorr, Kevin Geedey
Independent Research Projects
Decomposition plays an important ecological role in carbon and nutrient cycling that supply food and energy resources to food webs. This study investigates the potential role that leaf decomposition of different leaf species may play in macroinvertebrate assemblages in upper Midwest streams. We hypothesized that the different decomposition rates experienced with different leaf species and in different streams would have an effect on invertebrate colonization due to the variance in nutrient availability. Due to altered fire regimes and other influences, forests are experiencing declines in fire-adapted, heliophytic species such as oaks and compositional shifts toward shade-tolerant, mesophytic species such as …
Public Land Management On The Upper Mississippi: Exploring Relationships Between Management Imperatives And Ecosystem Biodiversity, Hunter Colleen Ridley
Public Land Management On The Upper Mississippi: Exploring Relationships Between Management Imperatives And Ecosystem Biodiversity, Hunter Colleen Ridley
Geography: Student Scholarship & Creative Works
Presently, public land management structure tends to disregard the interconnected nature of the social and ecological systems within managed landscapes. Since these social and ecological systems so heavily influence the identity of landscapes, it is critical that land managers understand the interactions and effects land management has with ecological structure and function. This knowledge helps land managers create more effective, sustainable, and efficient management plans and decisions. This research uses a portion of Upper Mississippi River as a case study for analyzing and discussing public land management on the Mississippi and how its structure may be influencing the ecological identity …
A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum
A Quantitative Analysis Of The Effects Of Urbanization, Mesophication And Prescribed Burns On Oak Woodlands In The Chicago Metropolitan Area, Chad Populorum
Celebration of Learning
Urban expansion has had devastating impacts on forest ecosystems, especially within the past century. Human attempts to dominate nature have diminished natural disturbance regimes, which have maintained the biodiversity and historic composition of these ecosystems. Fires have been a prominent force in maintaining the structure of oak, hickory and other heliophytic (sun loving and fire-adapted) forest systems. Human induced fire suppression has led to mesophication across North America. Mesophication is the transition from drier conditions with open canopies to wetter conditions with closed canopies. These new conditions decrease the survival rates of these important species and begin to favor mesophytic …
Tree Inventory Analysis: A Comparison Of Park Species Richness To The Surrounding Neighborhoods In Rock Island, Illinois, Kevin Root
Urban Forest Project
Urban forests (parks, right-of-way trees, yards, and remnant woodlots and semi-natural areas) are critical sources such diversity in urban areas. Diversity of urban forest is often related to the socioeconomic status, housing age, and elevation of the neighborhood. With the invasion of the Emerald Ash Borer (EAB) in the last decade, conserving and enhancing the diversity of urban forests has become an important tool in increasing the resilience of such ecosystems to such devastating invasion. We assessed the diversity and composition of the forests of 17 parks in Rock Island, Illinois and examined the relationship between such diversity and the …
Understory Diversity And Composition Drives Carabid Assemblages, Tierney Brosius, Michael Reisner
Understory Diversity And Composition Drives Carabid Assemblages, Tierney Brosius, Michael Reisner
Biology: Faculty Scholarship & Creative Works
Fire suppression has nearly eliminated fire as a disturbance in temperate deciduous forests. Lack of fire is transforming these ecosystems through a positive feedback loop termed mesophication: cool, damp, shady conditions become continually more favorable for a few mesophytic species, while deteriorating for diverse array of heliophytic ones. Disturbances caused by urbanization fragment and degrade remnant forests. In urban settings, human management (or lack thereof) is often a dominate driver of succession. Carabid diversity, understory vegetation, patch size, patch connectivity, and permeable surface area were all examined in multiple forest plots in Rock Island and Moline. The result of this …
"Over The River And Through The Woods": An Analysis Of Understory And Canopy Plant Diversity In Urban Riparian Forests, Carlisle R. Evans Peck
"Over The River And Through The Woods": An Analysis Of Understory And Canopy Plant Diversity In Urban Riparian Forests, Carlisle R. Evans Peck
Urban Forest Project
As population growth explodes and urban areas expand, studying the ecology of urban areas has become increasingly important. Urban development has been shown to drastically alter native habitats and to severely degrade biodiversity. However, urban landscapes also hold the potential to harbor and support valuable biodiversity especially if managed correctly. We studied the understory herbaceous plant and overstory tree canopy diversity of eight forested ravines in the small cities of Rock Island and Moline IL surrounded by a range of urban development intensity. The goal of the project was to determine whether or not the composition of the plant communities …