Assessing Plant Diversity in a Dry Tropical Forest: Comparing the Utility of Landsat and Ikonos Satellite Images
Abstract
:1. Introduction
2. Study Area
3. Materials and Methods
3.1. Data Gathering
3.1.1. Field data collection
3.1.2. Image data acquisition and pre-processing
3.2. Data Analysis: Relationship Between Spectral and Plant Biodiversity Data
4. Results
Spectral variable | Total species richness | Tree species richness | Tree Shannon diversity | Number of trees |
---|---|---|---|---|
Band 1 Mean | −0.328*** | −0.275*** | −0.297*** | −0.066 |
Band 1 Standard Deviation | −0.118 | −0.152* | −0.125 | −0.112 |
Band 2 Mean | −0.336*** | −0.316*** | −0.336*** | −0.105 |
Band 2 Standard Deviation | −0.263*** | −0.281*** | −0.225*** | −0.242*** |
Band 3 Mean | −0.293*** | −0.251*** | −0.26*** | −0.091 |
Band 3 Standard Deviation | −0.139* | −0.131 | −0.129 | −0.045 |
Band 4 Mean | −0.172* | −0.142* | −0.186** | 0.019 |
Band 4 Standard Deviation | −0.146* | −0.135 | −0.167* | −0.075 |
Band 5 Mean | −0.246*** | −0.255*** | −0.268*** | −0.115 |
Band 5 Standard Deviation | −0.137* | −0.142* | −0.151* | −0.068 |
Band 7 Mean | −0.254*** | −0.25*** | −0.26*** | −0.112 |
Band 7 Standard Deviation | −0.093 | −0.105 | −0.117 | −0.039 |
Panchromatic Band Mean | −0.276*** | −0.263*** | −0.269*** | −0.133 |
Panchromatic Band Standard Deviation | −0.125 | −0.115 | −0.138* | −0.013 |
Brightness Mean | −0.305*** | −0.278*** | −0.307*** | −0.077 |
Brightness Standard Deviation | −0.181** | −0.179** | −0.179** | −0.108 |
Greenness Mean | 0.202** | 0.192** | 0.18** | 0.112 |
Greenness Standard Deviation | −0.101 | −0.107 | −0.123 | −0.007 |
Wetness Mean | 0.228*** | 0.241*** | 0.25*** | 0.118 |
Wetness Standard Deviation | −0.12 | −0.131 | −0.142* | −0.061 |
NDVI Mean | 0.166* | 0.144* | 0.125 | 0.087 |
NDVI Standard Deviation | −0.089 | −0.098 | −0.105 | −0.021 |
IRI Mean | 0.119 | 0.154* | 0.138* | 0.117 |
IRI Standard Deviation | −0.041 | −0.041 | −0.063 | 0.004 |
MIRI Mean | 0.22** | 0.193** | 0.193** | 0.092 |
MIRI Standard Deviation | 0.01 | −0.004 | −0.036 | 0.001 |
Spectral variable | Total species richness | Tree species richness | Tree Shannon diversity | Number of trees |
---|---|---|---|---|
Band 1 Mean | −0.018 | −0.041 | −0.012 | −0.131 |
Band 1 Standard Deviation | −0.118 | −0.007 | −0.050 | 0.198*** |
Band 2 Mean | −0.133 | −0.148* | −0.129 | −0.159* |
Band 2 Standard Deviation | −0.127 | −0.021 | −0.066 | 0.183*** |
Band 3 Mean | −0.149* | −0.159* | −0.142* | −0.138* |
Band 3 Standard Deviation | −0.140* | −0.044 | −0.090 | 0.158* |
Band 4 Mean | −0.235*** | −0.149* | −0.181** | 0.016 |
Band 4 Standard Deviation | −0.080 | 0.012 | −0.056 | 0.175* |
Brightness Mean | −0.080 | −0.008 | −0.050 | 0.131 |
Brightness Standard Deviation | −0.187** | −0.127 | −0.175** | 0.051 |
Greenness Mean | −0.164* | −0.069 | −0.110 | 0.086 |
Greenness Standard Deviation | −0.068 | 0.026 | −0.049 | 0.166* |
Wetness Mean | −0.169* | −0.192** | −0.176** | −0.119 |
Wetness Standard Deviation | −0.114 | −0.056 | −0.098 | 0.057 |
NDVI Mean | −0.020 | 0.042 | 0.012 | 0.099 |
NDVI Standard Deviation | −0.106 | 0.011 | −0.054 | 0.235*** |
5. Discussion
Acknowledgements
References
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Nagendra, H.; Rocchini, D.; Ghate, R.; Sharma, B.; Pareeth, S. Assessing Plant Diversity in a Dry Tropical Forest: Comparing the Utility of Landsat and Ikonos Satellite Images. Remote Sens. 2010, 2, 478-496. https://doi.org/10.3390/rs2020478
Nagendra H, Rocchini D, Ghate R, Sharma B, Pareeth S. Assessing Plant Diversity in a Dry Tropical Forest: Comparing the Utility of Landsat and Ikonos Satellite Images. Remote Sensing. 2010; 2(2):478-496. https://doi.org/10.3390/rs2020478
Chicago/Turabian StyleNagendra, Harini, Duccio Rocchini, Rucha Ghate, Bhawna Sharma, and Sajid Pareeth. 2010. "Assessing Plant Diversity in a Dry Tropical Forest: Comparing the Utility of Landsat and Ikonos Satellite Images" Remote Sensing 2, no. 2: 478-496. https://doi.org/10.3390/rs2020478