Records |
Author |
Maeda, T.; Takabayashi, J.; Yano, S.; Takafuji, A. |
Title |
Effects of light on the tritrophic interaction between kidney bean plants, two-spotted spider mites and predatory mites, Amblyseius womersleyi (Acari: Phytoseiidae). |
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Journal Article |
Year |
2000 |
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Experimental & Applied Acarology |
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24 |
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5-6 |
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415â425 |
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Animals |
Abstract |
By analyzing the volatiles from Tetranychus urticae-infested kidney bean plants (Phaseolus vulgaris) at different times for two days, we found that they were mainly produced in the light. Tetranychus urticae showed a higher oviposition rate and spent more time feeding during the day (in the light) than at night (in the dark). Infested leaves placed in the light attracted the predatory mite Amblyseius womersleyi, whereas those that were placed in the dark for at least 2 h in daytime did not. This indicates that presence or absence of light affects the production of herbivore-induced plant volatiles. Amblyseius womersleyi dispersed more frequently and consumed more T. urticae eggs during the day (in the light) than at night (in the dark), whereas their oviposition rate did not differ between day and night. Presence or absence of herbivore-induced plant volatiles in the surroundings did not affect dispersal, predation or oviposition rates of A. womersleyi. These results show that A. womersleyi's behavior coincides with the production pattern of herbivore-induced plant volatiles. |
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LoNNe @ kagoburian @ |
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676 |
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RodrÃguez, A.; Burgan, G.; Dann, P.; Jessop, R.; Negro, J.J.; Chiaradia, A. |
Title |
Fatal Attraction of Short-Tailed Shearwaters to Artificial Lights |
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Journal Article |
Year |
2014 |
Publication |
PLOS ONE |
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PLOS ONE |
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9 |
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Pages |
e110114 |
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Light pollution is increasing around the world and altering natural nightscapes with potential ecological and evolutionary consequences. A severe ecological perturbation caused by artificial lights is mass mortalities of organisms, including seabird fledglings that are attracted to lights at night on their first flights to the sea. Here, we report on the number of fledging short-tailed shearwaters Ardenna tenuirostris found grounded in evening and morning rescue patrols conducted at Phillip Island, Australia, during a 15-year period (1999â2013). We assessed factors affecting numbers of grounded birds and mortality including date, moon phase, wind direction and speed, number of visitors and holiday periods. We also tested experimentally if birds were attracted to lights by turning the lights off on a section of the road. Of 8871 fledglings found, 39% were dead or dying. This mortality rate was 4â8 times higher than reported elsewhere for other shearwater species, probably because searching for fledglings was part of our systematic rescue effort rather than the opportunistic rescue used elsewhere. Thus, it suggests that light-induced mortality of seabirds is usually underestimated. We rescued more birds (dead and alive) in peak fledging, moonless and windy nights. Mortality increased through the fledging period, in the mornings and with increased traffic on holiday periods. Turning the road lights off decreased the number of grounded birds (dead and alive). While moon, wind and time are uncontrolled natural constraints, we demonstrated that reduction of light pollution and better traffic management can mitigate artificial light-induced mortality. |
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Animals; light pollution; ecology; shearwater; short-tailed shearwaters; Ardenna tenuirostris; Phillip Island; Australia; mortality; birds |
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PLOS |
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IDA @ john @ |
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678 |
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Posch, T.; Hölker, F.; Freyhoff, A.; Uhlmann, T. |
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(Hrsg.): Das Ende der Nacht. Lichtsmog: Gefahren – Perspektiven – Lösungen. 2. Auflage, Wiley-VCH Verlag 2013 |
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2013 |
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231 |
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Ecology |
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LoNNe @ kagoburian @ |
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679 |
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Held, M.; Hölker, F.; Jessel, B. |
Title |
Schutz der Nacht – Lichtverschmutzung, Biodiversität und Nachtlandschaft. |
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Book Whole |
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2013 |
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BfN-Skripten |
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336 |
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LoNNe @ kagoburian @ |
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681 |
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Author |
Nguyen, B.P.; Postma, E.; Ekkers, D.; Degener, F.; Mejier, T. |
Title |
Bad Kissingen : a blueprint for future urban design |
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Report |
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2013 |
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University Groningen |
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chronobiology, economy, society, urban design |
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LoNNe @ schroer @ |
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1061 |
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