Die Invasion der Stechmücken

Becker, Norbert; Jöst, Artur; Storch, Völker

doi:10.1002/biuz.201410553

Cited by 3 publications

(4 citation statements)

References 30 publications

(30 reference statements)

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“…Sympathetic flares and eruptions in general (Becker, 1958;Pearce and Harrison, 1990) have been long thought to be triggered by some waves that carry a disturbance and its energy from one eruption to another. This has been demonstrated in MHD models (e.g.…”

Section: True Wave Behaviors: Reflections Transmissions and Refractmentioning

confidence: 99%

Advances in Observing Various Coronal EUV Waves in the SDO Era and Their Seismological Applications (Invited Review)

2014

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Global extreme ultraviolet (EUV) waves are spectacular traveling disturbances in the solar corona associated with energetic eruptions such as coronal mass ejections (CMEs) and flares. Over the past 15 years, observations from three generations of space-borne EUV telescopes have shaped our understanding of this phenomenon and at the same time led to controversy about its physical nature. Since its launch in 2010, the Atmospheric Imaging Assembly (AIA) onboard the Solar Dynamics Observatory (SDO) has observed more than 210 global EUV waves in exquisite detail, thanks to its high spatio-temporal resolution and full-disk, wide-temperature coverage. A combination of statistical analysis of this large sample, more than 30 detailed case studies, and data-driven MHD modeling, has been leading their physical interpretations to a convergence, favoring a bimodal composition of an outer, fast-mode magnetosonic wave component and an inner, non-wave CME component. Adding to this multifaceted picture, AIA has also discovered new EUV wave and wave-like phenomena associated with various eruptions, including quasi-periodic fast propagating (QFP) wave trains, magnetic Kelvin-Helmholtz instabilities (KHI) in the corona and associated nonlinear waves, and a variety of mini-EUV waves. Seismological applications using such waves are now being actively pursued, especially for the global corona. We review such advances in EUV wave research focusing on recent SDO/AIA observations, their seismological applications, related data-analysis techniques, and numerical and analytical models.

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Section: True Wave Behaviors: Reflections Transmissions and Refractmentioning

confidence: 99%

Advances in Observing Various Coronal EUV Waves in the SDO Era and Their Seismological Applications (Invited Review)

2014

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“…Die Asiatische Tigermücke Aedes albopictus , ursprünglich in den süd‐ und südostasiatischen Tropen und Subtropen beheimatet, gehört zu den invasiven Arten, die sich seit den 1990er Jahren in Europa ausbreiten [1]. In Deutschland wurden ihre Eier 2007 erstmals auf einer süddeutschen Autobahnraststätte entdeckt, seit dem Sommer 2015 ist eine stabile Population mit allen Entwicklungsstadien in Freiburg nachgewiesen.…”

Section: Virologieunclassified

“…Diese ist noch nicht in Deutschland zu finden und es ist fraglich, ob sie den Winter hier überstehen würde. Die Tatsache, dass sie bis Ende des Zweiten Weltkriegs in fast allen Mittelmeerländern, in Großbritannien, Russland und der Ukraine vorkam, zeigt, dass sie das Potenzial zur Einwanderung nach Mitteleuropa besitzt [1].…”

Section: Virologieunclassified

Zika‐Virus: Bedrohung durch invasive Tigermücken?

Tetsch¹

2016

Biologie in unserer Zeit

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Stechmücken der Gattung Aedes sind dafür bekannt, virale Erreger von Fiebererkrankungen wie Chikungunya, Dengue, Zika und Gelbfieber zu übertragen. Von invasiven Arten, die begünstigt durch die globale Erwärmung in Europa einwandern, geht deshalb auch eine gesundheitliche Bedrohung aus. Die aktuell in Südamerika grassierende Zika‐Epidemie zeigt, dass auch Tropenkrankheiten mit sonst mildem Verlauf schwere Komplikationen wie neurologische Erkrankungen und embryonale Fehlbildungen verursachen können.

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“…albopictus [ 10 ] and in 2012, 2013 and 2014 more than 50 adults were caught in BG sentinel traps aand additional egg batches in ovitraps, amounting to several hundred eggs in the frame of a nationwide surveillance program e.g. at the A5 and A93 [ 11 , 12 ]. Massive local reproduction in the Upper Rhine Valley has also been observed in the City of Freiburg in 2014 and 2015 (Jöst personal communication, [ 13 ]).…”

Section: Introductionmentioning

confidence: 99%

Metallic copper spray – a new control technique to combat invasive container-inhabiting mosquitoes

Becker

Oo²,

Schork³

2015

Parasites Vectors

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BackgroundThe control of container-inhabiting mosquitoes is mainly based on environmental management with special emphasis on community participation e.g. source reduction by elimination or modification of water bodies. However, citizens are often not aware of the problems related to urban mosquito control or just ignore the advice provided during anti-mosquito control campaigns. In particular, cemeteries contain favourite breeding sites for container-inhabiting mosquitoes like Ochlerotatus j. japonicus, Culex pipiens s.l./Cx. torrentium, Aedes aegypti or Aedes albopictus. In our study, we investigated whether metallic copper e.g. in form of copper spray can be a suitable and cost-effective tool to combat mosquito breeding in vases or other similar small containers where no commonly used insecticides can be applied.MethodsThe effect of metallic copper spray in comparison to 5 Euro cent coins or copper tubes at different dosages and water qualities applied in small water collections such as widely used plastic grave vases were evaluated by assessing the mortality rates of larvae of Oc.j. japonicus, Cx. pipiens s.l./Cx. torrentium and Ae.aegypti. Different water qualities were tested to assess the influence of pH on the solubility of the copper ions. The copper concentrations were quantified using ICP/MS (Inductively coupled plasma/Mass spectrometry) in relation to the exposure time and mortality rates of mosquito larvae. All statistical analyses were computed using JMP 10.0.2 (SAS Institute Inc., 2012, Cary, NC, USA).ResultsDosages of less than 500 ppb of copper in the water of small containers led to a 100 % mortality rate after 2 weeks for all tested mosquito species by using one or more 5 Euro cent coins/vase. When the interior surface of plastic grave vases was covered by metallic copper spray, all of the tested larvae died after 7–10 days in the laboratory and under field conditions the reduction rate was 99.44 % for Oc.j. japonicus and 99.6 % for Culex pipiens s.l./Cx. torrentium larvae for a period of about 3 months.ConclusionThe use of metallic copper spray provides a sustainable control of container-inhabiting mosquitoes at low costs. The amount of dissolved copper in water (about 500 ppb) is far below the critical value for drinking water according to the WHO recommendations and is therefore not detrimental for the environment.

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Die Invasion der Stechmücken

Cited by 3 publications

References 30 publications

Advances in Observing Various Coronal EUV Waves in the SDO Era and Their Seismological Applications (Invited Review)

Advances in Observing Various Coronal EUV Waves in the SDO Era and Their Seismological Applications (Invited Review)

Zika‐Virus: Bedrohung durch invasive Tigermücken?

Metallic copper spray – a new control technique to combat invasive container-inhabiting mosquitoes

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