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Sampling Ecosystems - Coggle Diagram
Sampling Ecosystems
Analysis
Forest has much higher biodiversity than cultivated grassland
Higher biodiversity leads to greater ecosystem stability
Grassland shows higher light intensity due to less canopy cover
Similar species richness does not guarantee high biodiversity
Differences in biomass reflect ecosystem structure and human impact
Conclusion
Natural ecosystems have greater biodiversity and stability
Human-modified ecosystems reduce biodiversity
Background
Ecosystem Components
Ecosystem = biotic + abiotic components
Biotic = living organisms (community)
Abiotic = nonliving factors
Abiotic Factors
Temperature
Humidity
Light intensity
Soil pH
Biotic Factors
Biodiversity
Species richness
Biomass (plant and animal)
Biodiversity
Measured by species richness and abundance
Higher biodiversity → higher stability
Measured using Simpson’s Index
Data
Ecosystems Compared
Site 1: Mixed deciduous forest
Site 2: Cultivated grassland (organic)
Abiotic Data
Soil pH: 7.5 vs 7.3
Humidity: 81 vs 66
Temperature: 19°C vs 22°C
Light intensity: 10000 vs 32000
Biotic Data
Biodiversity Index: 0.95 vs 0.46
Species richness: 19 vs 22
Animal biomass: 3.71 vs 4.06
Plant biomass: 1187.34 vs 1118.22
Hypothesis Results
Light intensity → Accept
Biodiversity → Accept
Animal biomass → Accept
Plant biomass → Accept
Soil pH, humidity, temperature → Reject
Species richness → Reject
Purpose
Compare two ecosystems using abiotic and biotic factors
Evaluate biodiversity and ecosystem stability
Test hypotheses using collected data
Refloection
If I repeated I would
Include percent difference calculations visually
Compare more ecosystem types for stronger conclusions
