CI-110 Plant Canopy Imager
Leaf Area Index (LAI) and Photosynthetically Active Radiation (PAR) are key plant physiological parameters for estimating plant growth rate. Plant Canopy Imager – With 24 PAR Wand for Measurements of Leaf Area Index (LAI) and Photosynthetically Active Radiation (PAR) provide measurements of these key parameters.
The CI-110 Plant Canopy Imager includes imaging Probe, touch Screen loaded with image capture Software, operation Manual, and instrument Case.
The CI-110 Digital Plant Canopy Imager consists of an auto-leveling image capturing probe and arm with 24 PAR sensors, built-in USB interface for an optional laptop or palmtop computer, and software. To calculate PAR and LAI, the CI-110 captures a 170° fisheye image of the canopy, which can be divided into any number of zenith and azimuthal divisions desired. In this way, you may focus on all or any part of the canopy for study. The software digitizes and manipulates the captured images, then calculates the solar beam transmission coefficients, or the fraction of the sky visible from beneath the plant canopy. A value between 0 and 1 is assigned; with 0 meaning no sky is visible below the plant canopy, and 1 meaning that the entire area is sky or no foliage coverage. A fraction indicates partial foliage cover.
CI-110 Digital Plant Canopy Imager Features
- Single measurement for data collection
- 170°-wide viewing angle with live high-resolution fish-eye image
- Collect data under any lighting conditions. The CI-110 accommodates for changes in ambient light
- Non-destructive measurement of Leaf Area Index (LAI) and Photosynthetically Active Radiation (PAR)
- On-site evaluation of solar beam transmission coefficients or gap fractions
- Calculation of diffuse radiation transmission coefficients (the sky view factor), mean foliage inclination angles, and plant canopy extinction coefficients
- User-selected number of zenith and azimuthal divisions allows investigation of any canopy sectors desired
- Sun-path can be easily plotted on the image
- A fully integrated ceptometer with 24 photodiodes to measure Sunflecks in the range of Photosynthetically Active Radiation
- Instant Data: Captures Canopy image and calculates Leaf Area Index (LAI) and Photosynthetic Active Radiation (PAR) levels
- Onsite Evaluation: The CI-110 digital process needs only one scan beneath the canopy, allowing on-site evaluation under any daylight conditions
- User-Defined: User-selected number of zenith divisions (rings) and azimuthal divisions allows investigation of any canopy sectors desired
- Lightweight: 0.5 Kg instrument is handheld and simple to use
The CI-110’s digital platform enables you to simultaneously capture wide-angle plant canopy images and estimate Leaf Area Index (LAI) and Photosynthetically Active Radiation (PAR) levels from a single canopy scan. No more taking multiple scans above and below the canopy. One measurement provides a full complement of data, unlike systems which require the user take multiple measurements and attach various masking devices to obtain meaningful data.
Using the CI-110 plant canopy imager
Simply position the CI-110 under the desired leaf canopy. The auto-leveling fisheye camera lens (170°) displays a live image of the canopy for accurate data collection. Once you have captured the desired canopy image, software-driven analysis manipulates any data portion you desire, making manual image masking obsolete.
Calculations Performed:
- Leaf Area Index (LAI)
- Mean Foliage Inclination
- Sunflecks – The fraction of visible sky from below the canopy
- Photosynthetically Active Radiation (PAR)
Applications for the CI-110 in Crop optimisation
Applications for the CI-110 in Forest productivity
LAI, PAR and sunflecks inform silviculture, forest restoration, and the optimization of yields and wood quality.
Applications for the CI-110 in Environmental research
Use canopy data to develop a greater understanding of the impacts of climate change, and human activity on the natural world.
Specifications
| Lens | Self-leveling hemispherical lens |
| Image Resolution | 8 megapixels |
| Interface | USB and Wifi |
| Measuring Time | < 1 second |
| Fish-eye Lens Angle | 150° |
| Operating Temperature | 5 to 50° C |
| Camera Sensor | 5 cm x 5 cm |
| Total Length | 84 cm |
| Imaging Probe and Arm Weight | 1.5 kg |
| PAR (Range / Accuracy) | 0-2500 umol m2s / 5 umol m2s |
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