Field measurement of effective leaf area index using optical device in vegetation canopy

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00020702%3A_____%2F21%3AN0000023" target="_blank" >RIV/00020702:_____/21:N0000023 - isvavai.cz</a>

Alternative codes found

RIV/62156489:43410/21:43920134

Result on the web

<a href="https://www.jove.com/t/62802/field-measurement-effective-leaf-area-index-using-optical-device" target="_blank" >https://www.jove.com/t/62802/field-measurement-effective-leaf-area-index-using-optical-device</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3791/62802" target="_blank" >10.3791/62802</a>

Result language

angličtina

Original language name

Field measurement of effective leaf area index using optical device in vegetation canopy

Original language description

Leaf area index (LAI) is an essential canopy variable describing the amount of foliage in an ecosystem. The parameter serves as the interface between green components of plants and the atmosphere, and many physiological processes occur there, primarily photosynthetic uptake, respiration, and transpiration. LAI is also an input parameter for many models involving carbon, water, and the energy cycle. Moreover, ground-based in situ measurements serve as the calibration method for LAI obtained from remote sensing products. Therefore, straightforward indirect optical methods are necessary for making precise and rapid LAI estimates. The methodological approach, advantages, controversies, and future perspectives of the newly developed LP 110 optical device based on the relation between radiation transmitted through the vegetation canopy and canopy gaps were discussed in the protocol. Furthermore, the instrument was compared to the world standard LAI-2200 Plant Canopy Analyzer. The LP 110 enables more rapid and more straightforward processing of data acquired in the field, and it is more affordable than the Plant Canopy Analyzer. The new instrument is characterized by its ease of use for both above- and below-canopy readings due to its greater sensor sensitivity, in-built digital inclinometer, and automatic logging of readings at the correct position. Therefore, the hand-held LP 110 device is a suitable gadget for performing LAI estimation in forestry, ecology, horticulture, and agriculture based on the representative results. Moreover, the same device also enables the user to take accurate measurements of incident photosynthetically active radiation (PAR) intensity.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

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OECD FORD branch

40102 - Forestry

Project

<a href="/en/project/QK21020307" target="_blank" >QK21020307: Optimization of silviculture procedures for adaptation of forest ecosystems to climate change</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2021

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Visualized Experiments

ISSN

1940-087X

e-ISSN

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Volume of the periodical

173

Issue of the periodical within the volume

JUL 2021

Country of publishing house

US - UNITED STATES

Number of pages

23

Pages from-to

e62802

UT code for WoS article

000682796200090

EID of the result in the Scopus database

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