Licor has been in the leaf area instrumentation business for over 39 years. Licor biosciences is a global leader in the design, manufacture, and marketing of high quality, innovative area meters for plant biology and environmental research. The basics 1 system description what it is, what it does, and how it does it an open system 12 the flow schematic 14 equation summary 17 the system components 112 2 assembling the li6400 putting it all together preparations 22 using a tripod 26 640001 co2 injector. Indirect leaf area index obtained from the ksu light wand. Is a licor plant canopy analyzer lai2200c useful for.
Estimation of foliage clumping from the lai2000 plant canopy. In general, the highest values reported previously. Licor lai2200 installation instructions pdf download. Lai2200c plant canopy analyzer includes one lai2250 optical sensor with data cable, gps enabled lai2270c control unit, carrying case, usb cable, viewrestrictors, diffuser caps, 6 aa batteries and belt clip.
Generally, i believe that the taller the canopy is, the better the lai 2000 will work. Fv2000 is a windows application for downloading, viewing, and manipulating data files from the lai 2000. Theory of operation lai2200c plant canopy analyzer li. Application and transferability of a semiempirical relationship between two agricultural areas. Welcome to the li6400 a bit of history xi about this manual xiii part i. Measurement of oil palm lai by manual and lai2000 method. This data set contains data from the licor lai 2000 plant canopy analyzer collected by the unl group. This licor biosciences li6200 portable photosynthesis system is used and in excellent condition. Measurements on overcast days are the simplest for lai determination and do not require assumptions about canopy. The light as photosynthetically active radiation par of 900. The lai2000 plant canopy analyzer was discontinued in 2009 and replaced with our current model, the lai2200c plant canopy analyzer.
This manual contains information to assist you during the processing of the data with the hkl 2000 program suite. These sensors produce very low current signal levelsfrom 0250. Cor plant canopy analyzer pca lai2000 and its improved successors lai2200 and lai2200c have become. Licor 43, or cuarenta y tres spanish for 43, is the top selling spanish liqueur, made only in cartagena, spain. Licor biosciences li6200 portable photosynthesis system. An overview of measuring leaf area index with the lai2200 from li cor biosciences. Lai2000 plant canopy analyzer instruction manual 1991. Assessing water stress of desert tamarugo trees using in situ data and very high spatial resolution remote sensing. Direct comparisons of the ceptometer and the lai2000 were made on 14 sep 2012 and throughout 20. Direct comparisons of the ceptometer and the lai 2000 were made on 14 sep 2012 and throughout 20. The ceptometer was used every 2 weeks, and every 4 weeks, simultaneous measurements were made with the lai2000. The lai 2200c plant canopy analyzer is the world standard for indirect leaf area index measurements. Lai2200tc plant canopy analyzer tall canopy package two lai2250 optical sensors with data cables, one gps enabled lai2270c. Clevers,martin herold,edmundo acevedo,mauricio ortiz keywords.
This rapid and nondestructive method saves labour when compared to manual measurements. Refer to the lai2200 instruction manual to make abovecanopy measurements in a for more details. Assessing water stress of desert tamarugo trees using in situ data and very high spatial resolution remote sensing authors. The spatial scaling of clumping effects considered by the instrument is dependent on the sensors azimuthal view. The plant canopy analyser, lai2000 has been widely used for.
I have expanded many of the sections to offer greater understanding and provide tips based on my experience. New editions of this manual will include all updates. Li6200 control console li6250 co2 analyzer 6000 quarter liter. The information listed here can also be viewed in part in the licor operators manual, chapter 4 preparation check lists. Citeseerx scientific documents that cite the following paper. Cor plant canopy analyzer pca lai2000 and its improved successors lai 2200 and lai2200c have become. Refer to the lai 2200 instruction manual to make abovecanopy measurements in a for more details. Analyzer pca for the acquisition of point lai values within small about 1 ha stands. Li1500lightsensorlogger instructionmanual publicationno. The lai 2000 plant canopy analyzer was discontinued in 2009 and replaced with our current model, the lai 2200c plant canopy analyzer. We use the lai 2000 for tree and shrub canopy cover but we use a downward looking multispectral camera that. The lai3000 licor, 1990 was therefore used to directly measure leaf area, following destructive sampling and this in very young, open rice canopies lai below a critical value of 1. Lai2000 plant canopy analyzer instruction manual lincoln. Indirect measurements were performed with a lai 2000 plant canopy analyzer pca, licor, lincoln, ne, usa, while lai was directly or semidirectly, see dufrene and breda, 1995 estimated by collecting the leaf litter with an adequate number of traps on each plot.
There are several methods to measure how much light is intercepted by a canopy in order to determine if water loss is from evaporation or transpiration. Leaf area index as described in the manual licor, 1992, lai cannot be measured with the licor lai2000 when soil cover is small just after transplanting. Due to parts obsolescence, we will no longer perform factory service for the lai2200 after march 1, 2020. Such use does not constitute an official endorsement or approval by the government of british columbia of any product or service to the exclusion of any others that may also be suitable. Leaf area index lai is a key structural characteristic of forest ecosystems because of the role of green leaves in controlling many biological and physical processes in plant canopies. Customer may not reverse assemble or decompile this software. Sampling methodology for lai measurements with lai2000 in small.
Groundbased measurements of leaf area index oxford academic. Lai 2200 measuring instruments pdf manual download. The lai 2200 provides a modernized user interface, versatile configuration options, and improved data analysis. Fv2000 data file viewer instruction manual licor biosciences.
Page 2 sampling different canopy types small plots row crops rep 1 rep 2 rep 4 rep 3 rep 1 rep 2 rep 3 rep 4 homogenous vegetation and grasslands forests and tall canopies 45 or 90 cap. It was invented in 1946 by diego zamora, along with his brother and sister, angel and josefina zamora, and emilio restoy, josefinas husband. The licor board of directors would like to take this opportunity to return thanks to god for his merciful providence in allowing licor to develop. Accupar lp80 leaf area index measurement meter environment. In natural forest with irregularly distributed trees it is adequate to. View and download licor lai 2200 installation instructions online. This data set contains data from the licor lai 2000 plant canopy analyzer collected by ksu staff science. Leaf area index lai a licor lai 2000 plant canopy analyzer with the default calibration values as reported in the lai manual licor, 1992 was used with the fv2000 software package for extracting the values from the device. This unit is missing a handle knob, and the ctrl and shift buttons do not operate. The lai2200c consistently outperforms other methods in terms of flexibility, advanced features, accuracy, and ease of use. The lai2200c plant canopy analyzer is the world standard for indirect leaf area index measurements. Licor biosciences recently released an updated version of the software that is used with the lai 2000 plant canopy analyzer the fv2000 software.
Plant ecophysiological measurement techniques bot 6935. Estimation of leaf area index in eucalypt forest with. The lai 2000 calculates lai from radiation measurements made with a fisheye optical sensor 148 degree fieldofview. The lai 2200c consistently outperforms other methods in terms of flexibility, advanced features, accuracy, and ease of use. Oct 31, 2014 foliage clumping can be estimated from logarithm averaging method in lai2000. Most violations can be overcome with proper measurement techniques.
Leaf area index was estimated both by direct and indirect methods. Fv2200 software lai2200c plant canopy analyzer licor. Instruction manual for the fv2000 file viewer software for the lai2000 plant canopy analyzer. Lai calculations from the lai2200c plant canopy analyzer are based on four assumptions about the plant canopy. Configuring the li1400 datalogger for illuminance and. An overview of measuring leaf area index with the lai2200 from licor biosciences. Due to parts obsolescence, we will no longer perform factory service for the lai 2200 after march 1, 2020. The ceptometer was used every 2 weeks, and every 4 weeks, simultaneous measurements were made with the lai 2000. If you make a measurement under overcast skies, it was not necessary to have canopy structure information or solar elevation angle. Li1400 data logger instruction manual publication number 9807122 july, 1998 licor, inc. Home meter environment products request a quote contact us. The use of trade, firm, or corporation names in this publication is for the information and convenience of the reader.
It consistently outperforms other methods such as ceptometry and hemispherical photography in terms of flexibility, advanced features, accuracy, and ease of use. For determining our measurement campaign the same manual and leroy et al. In the case of direct methods for single plants, total plant harvesting is the most efficient strategy, because sub. Estimation of leaf area index with the licor lai 2000 in. Feb 17, 2010 an overview of measuring leaf area index with the lai 2200 from licor biosciences. We applied cover and fullframe fisheye photography, and the licor lai 2000 plant canopy analyser pca, welles and norman, 1991, in 12 e. However, this instrument gave inconsistent of lai values in respect to oil palm age. Up to five photometric li250 or pyranometer li200sa sensors. From starting guide and installation process to the stepbystep data processing procedure this book will be a valuable resource. These comparisons included acrossrow as well as along. Solar radiation 4001100 nm in per wm2 was mea sured with a type sz terrestrial pyranometer sensor li. The study shows that it was possible to rapidly determine lai using the lai 2000 plant canopy analyser. Investigators used licor lai 2000 plant canopy analyzers to measure lai using an indirect noncontact method based on light transmittance through the canopy.
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