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Browsing by Subject "birds"

Now showing 1 - 3 of 3
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    Data and R Code for Analyses in "Grassland birds demonstrate delayed response to large-scale tree removal in central North America"
    (2015-09-30) Thompson, Sarah, J; thom1253@umn.edu; Thompson, Sarah, J
    These files contain R code and data required for analsyes detailed within "Grassland birds demonstrate delayed response to large-scale tree removal in central North America" in the Journal of Applied Ecology. The lead author wrote this code to analyze multi-year point count data collected in west-central Minnesota. The purpose of the study was to assess the success of habitat restoration activities aimed at removal of encroaching trees and shrubs.
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    Dialectic
    (2018) Geenen, Brooks
    Habitat loss due to land use is the single greatest threat to biodiversity, and virtually all of earth’s ecosystems have now been dramatically transformed through human actions. More land was converted to cropland in the thirty years after 1950 than in the 150 years between 1700 and 1850. A 2013 estimate illustrated that humans are currently using 34% of the global land area for their agricultural needs, and human appropriated land use has converted over 60% of temperate forests. Through this work, I will be examining the conversation between humans and our impact on the natural world with a specific concentration on the habitat loss of birds. Using photography I will visually examine and illustrate our relationship with the natural world; how humans appropriation of land and resources is leading to the habitat loss of many bird species. This research is about questioning and examining, it is not to denounce the human race, but serves to photographically represent the key issues of habitat loss and how we can change.
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