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Insect abundance ov...
Insect abundance over Chinese rice fields in relation to environmental parameters, studied with a polarization-sensitive CW near-IR lidar system
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- Zhu, Shiming (författare)
- South China Normal University
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- Malmqvist, Elin (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Li, Wansha (författare)
- South China Normal University
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- Jansson, Samuel (författare)
- Lund University,Lunds universitet,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Li, Yiyun (författare)
- South China Normal University
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- Duan, Zheng (författare)
- South China Normal University
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- Svanberg, Katarina (författare)
- Lund University,Lunds universitet,Lunds lasercentrum, LLC,Annan verksamhet, LTH,Lunds Tekniska Högskola,Lund Laser Centre, LLC,Other operations, LTH,Faculty of Engineering, LTH,South China Normal University
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- Feng, Hongqiang (författare)
- Henan Academy of Agricultural Sciences
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- Song, Ziwei (författare)
- Guangdong Academy of Agricultural Sciences
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- Zhao, Guangyu (författare)
- South China Normal University
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- Brydegaard, Mikkel (författare)
- Lund University,Lunds universitet,Biologiska institutionen,Naturvetenskapliga fakulteten,Förbränningsfysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Department of Biology,Faculty of Science,Combustion Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Norsk Elektro Optikk AS
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- Svanberg, Sune (författare)
- Lund University,Lunds universitet,Lunds lasercentrum, LLC,Annan verksamhet, LTH,Lunds Tekniska Högskola,Atomfysik,Fysiska institutionen,Institutioner vid LTH,Lund Laser Centre, LLC,Other operations, LTH,Faculty of Engineering, LTH,Atomic Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,South China Normal University
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(creator_code:org_t)
- 2017-07-10
- 2017
- Engelska.
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Ingår i: Applied Physics B: Lasers and Optics. - : Springer Science and Business Media LLC. - 0946-2171. ; 123:7
- Relaterad länk:
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http://dx.doi.org/10... (free)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Effective monitoring of flying insects is of major societal importance in view of the role of insects as indispensable pollinators, destructive disease vectors and economically devastating agricultural pests. The present paper reports on monitoring of flying agricultural pests using a continuous-wave lidar system in a rice-field location in Southern China. Using a Scheimpflug arrangement, range resolution over several 100 m long observational paths was achieved. The system operates with two perpendicularly polarized near-infrared lasers, which are activated intermittently, and back-scattered radiation from insects was recorded by a linear array detector placed after a linear polarizer. Our polarization sensitive system was used to monitor the flying insect diurnal activity and also the influence of changes in weather conditions, e.g., the occurrence of rain. Activity strongly peaked at dusk and rose again, although to a lower extent, just before dawn. At the onset of rainfall, a strong increase in insect counts occurred which was interpreted as the rain-induced bringing down of high-altitude migrant insects.
Ämnesord
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
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Till lärosätets databas
- Av författaren/redakt...
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Zhu, Shiming
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Malmqvist, Elin
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Li, Wansha
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Jansson, Samuel
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Li, Yiyun
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Duan, Zheng
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visa fler...
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Svanberg, Katari ...
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Feng, Hongqiang
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Song, Ziwei
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Zhao, Guangyu
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Brydegaard, Mikk ...
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Svanberg, Sune
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visa färre...
- Om ämnet
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- NATURVETENSKAP
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NATURVETENSKAP
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och Fysik
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och Atom och molekyl ...
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- LANTBRUKSVETENSKAPER
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LANTBRUKSVETENSK ...
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och Annan lantbruksv ...
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och Miljö och naturv ...
- Artiklar i publikationen
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Applied Physics ...
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Applied Physics ...
- Av lärosätet
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Lunds universitet