Week 1 Lab Report

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University Of Arizona *

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207

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Geography

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Dec 6, 2023

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10/8/23, 7:25 PM about:blank about:blank 1/2 Print Lab Notebook Biodiversity & Scientific Method Virtual Lab Notebook Emily Sunday, October 8th, 2023 Activity 1 Total number of species present: 9 Number of endangered species present: 0 Hypothesis: Replant longleaf pines, restore wire grass start prescribed burns Total number of species present after strategy applied: 15 Number of endangered species present after strategy applied: 1 1) After reviewing all the management strategies, which allows for the greatest species biodiversity? Describe this biodiversity. Why do you think this strategy is so restorative? The management strategy that allows the gressest species biodiversity is replanting longleaf pines, restoration of wire grass, and prescribed bores. There is a presence of IS different species and I endangered species. Longleaf pine ecosystems in the soutbeastern United States are managed to promose long-term resilience and sastainability. Wiregrass restoration and prescribed burns are crucial components, allowing for the growth of understory plats and reducing fuel loads. Prescribed burning also increases biodiversity by creating a mosaic of different habitats within the forest. Replanting longleaf pines is essential, as they provide babitat for otber species and are a keystone species in the ecosystem. Activity 2 Data Table 1 Trial 1 Trial 2 Trial 3 Hypothesis Restore wetlands,Reintroduce gopher tortoises, Restore longleaf pine and wiregrass with prescribed burns, Woodpecker nest boxes, Restore wetlands, Restore longleaf pine and wiregrass with prescribed burns, Herbicide application, Reintroduce gopher tortoises, Restore longleaf pine and wiregrass with prescribed burns, Total number of species 19 18 16 Number of endangered species 5 4 3 Trial with the greatest biodiversity: 1 2) Although the activity is a simulation, what conclusions can you draw about restoration efforts in real ecosystems?
10/8/23, 7:25 PM about:blank about:blank 2/2 The strategies in Trial I are some of the most effective ways to restore ecosystems in the Southen eastern United States. The restoration of longleaf pine forests is one of the most successful conservation efforts in the region. The restoration of longleaf pine forests involves replanting longleaf pises, restoring wire grass, and prescribed burns. These management strategies have allowed 19 different species to thrive. S of which are endangered species. Gopher tortoises are one of the keystone species that benefit from longleaf pine restoration. Restoring wetlands is also an important part of ecosystem restoration. Activity 3 Hypothesis: Initiate longleaf pine agroforestry Total number of species present after strategy applied: 11 Number of endangered species present after strategy applied: 1 3) After reviewing the lucrative management strategies, which is least damaging to the ecosystem (allows for the greatest biodiversity)? How does this strategy differ from the others in this Activity? The best management strategy is to initiate a longleaf pine agroforestry as it is the least damaging to the ecosystem. This strategy stil/allows the presence of I1 species, one of which is endangered to thrive. This strategy differs from the other strategies because it has double the number of present species than any other strategy Sources of Error COPY THIS PARAGRAPH INTO YOUR FINAL LAB REPORT A scientific model is only as reliable as the data used to construct it. In this case, the simulations carried out here are based upon a basic ecological understanding of the longleaf pine ecosystem, include a review of basic books on the topic supplemented by a few past field visits. None of the results in this lab has been reproduced in the field. All outcomes from these scenarios are therefore highly speculative. Further, for each particular case, there are intervening variables, such as local hydrology, bedrock geology, and local soils, as well as ecological health of surrounding areas that could affect the results obtained. Consider this lab only a very rough approximation of how the longleaf ecosystem might be affected by various human impacts, including restoration work.
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