Soil biodiversity and ecosystem services
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Soil biodiversity and ecosystem services
Soil biodiversity refers to the variety and abundance of living organisms that reside in soil, including bacteria, fungi, protists, nematodes, earthworms, and other animals. These organisms are vital for maintaining soil health and supporting a wide range of ecosystem services, which are benefits that humans derive from natural ecosystems.
One of the most important ecosystem services provided by soil biodiversity is nutrient cycling. Microorganisms in the soil break down organic matter and release nutrients that are essential for plant growth. Without these organisms, soil fertility would decline and agriculture would become much more difficult.
Another critical service provided by soil biodiversity is carbon sequestration. Soil organic matter, which is made up of dead plant and animal material, is a major store of carbon in terrestrial ecosystems. Microorganisms in the soil play a key role in breaking down this organic matter and releasing carbon dioxide into the atmosphere, but they also help to store carbon in the soil by forming stable compounds that can persist for hundreds or even thousands of years.
Soil biodiversity also contributes to water regulation by increasing soil porosity and permeability, which allows water to infiltrate the soil and recharge groundwater reserves. In addition, soil microorganisms can help to filter out pollutants and improve water quality, making soil biodiversity important for both human health and ecological health.
Finally, soil biodiversity plays a critical role in supporting biodiversity aboveground. Many plant species rely on specific soil microorganisms to help them absorb nutrients and defend against pests and diseases. Similarly, many animals depend on soil-dwelling organisms for food and habitat.
Soil biodiversity and ecosystem services
RUBRIC
Excellent Quality
95-100%
Introduction 45-41 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Literature Support
91-84 points
The background and significance of the problem and a clear statement of the research purpose is provided. The search history is mentioned.
Methodology
58-53 points
Content is well-organized with headings for each slide and bulleted lists to group related material as needed. Use of font, color, graphics, effects, etc. to enhance readability and presentation content is excellent. Length requirements of 10 slides/pages or less is met.
Average Score
50-85%
40-38 points
More depth/detail for the background and significance is needed, or the research detail is not clear. No search history information is provided.
83-76 points
Review of relevant theoretical literature is evident, but there is little integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are included. Summary of information presented is included. Conclusion may not contain a biblical integration.
52-49 points
Content is somewhat organized, but no structure is apparent. The use of font, color, graphics, effects, etc. is occasionally detracting to the presentation content. Length requirements may not be met.
Poor Quality
0-45%
37-1 points
The background and/or significance are missing. No search history information is provided.
75-1 points
Review of relevant theoretical literature is evident, but there is no integration of studies into concepts related to problem. Review is partially focused and organized. Supporting and opposing research are not included in the summary of information presented. Conclusion does not contain a biblical integration.
48-1 points
There is no clear or logical organizational structure. No logical sequence is apparent. The use of font, color, graphics, effects etc. is often detracting to the presentation content. Length requirements may not be met
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