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Shi, L.; Vasseur, L.; Huang, H.; Zeng, Z.; Hu, G.; Liu, X.; You, M. |
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Title  |
Adult Tea Green Leafhoppers, Empoasca onukii (Matsuda), Change Behaviors under Varying Light Conditions |
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Journal Article |
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Year |
2017 |
Publication |
PloS one |
Abbreviated Journal |
PLoS One |
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Volume |
12 |
Issue |
1 |
Pages |
e0168439 |
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Keywords |
animals |
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Abstract |
Insect behaviors are often influenced by light conditions including photoperiod, light intensity, and wavelength. Understanding pest insect responses to changing light conditions may help with developing alternative strategies for pest control. Little is known about the behavioral responses of leafhoppers (Hemiptera: Cicadellidae) to light conditions. The behavior of the tea green leafhopper, Empoasca onukii Matsuda, was examined when exposed to different light photoperiods or wavelengths. Observations included the frequency of locomotion and cleaning activities, and the duration of time spent searching. The results suggested that under normal photoperiod both female and male adults were generally more active in darkness (i.e., at night) than in light. In continuous darkness (DD), the locomotion and cleaning events in Period 1 (7:00-19:00) were significantly increased, when compared to the leafhoppers under normal photoperiod (LD). Leafhoppers, especially females, changed their behavioral patterns to a two day cycle under DD. Under continuous illumination (continuous quartz lamp light, yellow light at night, and green light at night), the activities of locomotion, cleaning, and searching were significantly suppressed during the night (19:00-7:00) and locomotion activities of both females and males were significantly increased during the day (7:00-19:00), suggesting a shift in circadian rhythm. Our work suggests that changes in light conditions, including photoperiod and wavelength, can influence behavioral activities of leafhoppers, potentially affecting other life history traits such as reproduction and development, and may serve as a method for leafhopper behavioral control. |
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Key Laboratory of Integrated Pest Management of Fujian and Taiwan, China Ministry of Agriculture, Fuzhou, China |
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1932-6203 |
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PMID:28103237 |
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LoNNe @ kyba @ |
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1625 |
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Author |
Pocock, T. |
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Title |
Advanced lighting technology in controlled environment agriculture |
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Journal Article |
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Year |
2016 |
Publication |
Lighting Research and Technology |
Abbreviated Journal |
Lighting Research and Technology |
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48 |
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1 |
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83-94 |
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Keywords |
Plants; Lighting |
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Abstract |
There is a recent awareness of the importance of plants in our everyday lives. Light is a requirement for plants and serves two important roles. It provides energy for growth and provides information that elicits plant responses including, among others, plant shape, pigmentation, nutritional content and resistance to stress. Light is paradoxical to plants, it is a requirement however, in excess it is damaging. Plants sense and interpret light through many families of photoreceptors and through the energy state of the photosynthetic apparatus. Light emitting diodes (LEDs) are quickly replacing traditional light sources for human applications, and currently there is effort being put into tailoring these technology platforms for the plant community. Potential plant sensing pathways and the spectral effects on pigmentation and photochemistry in red lettuce are described. |
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1477-1535 |
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LoNNe @ kyba @ |
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1383 |
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Kim, K.-N.; Huang, Q.-Y.; Lei, C.-L. |
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Title |
Advances in insect phototaxis and application to pest management: A review |
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Journal Article |
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Year |
2019 |
Publication |
Pest Management Science |
Abbreviated Journal |
Pest Manag Sci |
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75 |
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12 |
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3135-3143 |
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Keywords |
Animals; review; Insects; Phototaxis; Integrated pest management |
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Many insects, especially nocturnal insects, exhibit positive phototaxis to artificial lights. Many light traps are currently used to monitor and manage insect pest populations, with light traps playing a crucial role in physical pest control. Efficient use of light traps to attract target insect pests becomes an important topic in application of integrated pest management (IPM). Phototactic responses of insects vary among species, light characteristics and the physiological status of the insects. In addition, light can cause several biological responses, including biochemical, physiological, molecular and fitness changes in insects. In this review, we discuss several hypotheses on insect phototaxis, affecting factors on insect phototaxis, insect sensitive wavelengths, biological responses of insects to light and countermeasures for conserving beneficial insects and increasing trapping effect. Additionally, we provide information on the different sensitivities to wavelengths causing positive phototactic behavior on more than 70 insect pest and beneficial insect species. The use of advanced light traps equipped with superior light sources, such as light emitting diodes (LEDs), will make physical pest control in IPM more efficient. This article is protected by copyright. All rights reserved. |
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Hubei Insect Resources Utilization and Sustainable Pest Management Key Laboratory, College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China |
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1526-498X |
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PMID:31251458 |
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GFZ @ kyba @ |
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2574 |
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Solbrig, J.E.; Lee, T.E.; Miller, S.D. |
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Advances in Remote Sensing: Imaging the Earth by Moonlight |
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Journal Article |
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2013 |
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Eos, Transactions American Geophysical Union |
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Eos Trans. AGU |
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94 |
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40 |
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349-350 |
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Keywords |
Remote Sensing; night; visible; VIIRS |
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Earth's nighttime environment is being revealed in unprecedented detail by the new satellite-mounted Visible/Infrared Imaging Radiometer Suite (VIIRS). VIIRS' Day/Night Band (DNB) is a highly sensitive broadband visible channel capable of detecting light from cities and other terrestrial emission sources. |
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0096-3941 |
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LoNNe @ christopher.kyba @ |
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486 |
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Author |
Bennett, M.M.; Smith, L.C. |
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Title |
Advances in using multitemporal night-time lights satellite imagery to detect, estimate, and monitor socioeconomic dynamics |
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Journal Article |
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Year |
2017 |
Publication |
Remote Sensing of Environment |
Abbreviated Journal |
Remote Sensing of Environment |
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192 |
Issue |
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176-197 |
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Keywords |
Remote Sensing |
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Abstract |
Since the late 1990s, remotely sensed night-time lights (NTL) satellite imagery has been shown to correlate with socioeconomic parameters including urbanization, economic activity, and population. More recent research demonstrates that multitemporal NTL data can serve as a reliable proxy for change over time in these variables whether they are increasing or decreasing. Time series analysis of NTL data is especially valuable for detecting, estimating, and monitoring socioeconomic dynamics in countries and subnational regions where reliable official statistics may be lacking. Until 2012, multitemporal NTL imagery came primarily from the Defense Meteorological Satellite Program – Operational Linescan System (DMSP-OLS), for which digital imagery is available from 1992 to 2013. In October 2011, the launch of NASA/NOAA's Suomi National Polar-orbiting Partnership satellite, whose Visible Infrared Imaging Radiometer Suite (VIIRS) sensor has a Day/Night Band (DNB) specifically designed for capturing radiance from the Earth at night, marked the start of a new era in NTL data collection and applications. In light of these advances, this paper reviews progress in using multitemporal DMSP-OLS and VIIRS imagery to analyze urbanization, economic, and population dynamics across a range of geographic scales. An overview of data corrections and processing for comparison of multitemporal NTL imagery is provided, followed by a meta-analysis and integrative synthesis of these studies. Figures are included that visualize the capabilities of DMSP-OLS and VIIRS to capture socioeconomic change in the post-Soviet Russian Far East and war-torn Syria, respectively. Finally, future directions for NTL research are suggested, particularly in the areas of determining the fundamental causes of observed light and in leveraging VIIRS' superior sensitivity and spatial and radiometric resolution. |
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0034-4257 |
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GFZ @ kyba @ |
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2024 |
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