Nachhaltigkeit im Abseits?

Die Dimensionen von medial vermarkteten Großveranstaltungen nehmen stetig zu. Und mit ihnen auch die Auswirkungen. Neben den ökonomischen Effekten rücken dabei auch ökologische und soziale Auswirkungen in den Fokus. Die Fußball Europameisterschaft 2008 ist ein Beispiel, wie in Zukunft die Effekte auf nachhaltige Entwicklungsprozesse evaluiert werden können

Identifying potential emerging invasive non-native species from the freshwater pet trade

1. An increasingly globalised world has facilitated the movement of non-native species (NNS) via the poorly regulated international pet trade. While focus is increasingly being placed on preventative action to combat invasive NNS—often cheaper and less difficult than the management of established populations—successful prevention requires controlling potential pathways and obtaining baseline knowledge of species' availability. 2. Here we performed an in-depth analysis of the freshwater pet trade as one major vector of NNS, compiling its species inventory and deriving threats of NNS release and establishment in the wild. With Germany as our study region, we surveyed pet stores, websites and the country's largest online classified portal, eBay Kleinanzeigen, recording the taxa encountered. For each species, we determined the likelihood of release based on availability and price (cheaper and/or more readily available species have been shown to be of greater risk), and the likelihood of establishment based on ecological niche breadth and niche overlap with environmental conditions in Germany. 3. The survey revealed 669 species, of which 651 were non-native to Germany. Looking at release likelihood, more readily available species in pet stores and on websites proved to be cheaper. For websites, there was a significant effect of occurrence status (i.e. released, not released, native) on price, with released and native species being significantly cheaper. Species previously released in Germany and elsewhere demonstrated greater niche breadths and greater niche overlaps between their source regions and Germany; and for species released in Germany, there was a significantly positive relationship between the magnitude of niche overlap and the number of documented occurrences. 4. Finally, we combined our release and establishment likelihood findings under ‘Release Risk’ metrics to highlight the species most worthy of prioritisation. We propose these metrics as proactive methods for screening species in the trade, which can inform future policy direction and intervention

GLUE ABUSE IN LOME: INVESTIGATION AND TOXICOLOGICAL STUDY ON WISTAR RATS

Objectives: Volatile substances abuse (VSA) is considered as one of the most dangerous forms of drug abuse leading to serious accidents and fatalities. This study aims to assess the extent and dangers of the sniffing of '' Dia'' glue, used by the vulcanizer to paste the cars' tires.Methods: The first phase of the study involved a survey with vulcanizers of the district I of Lome. The effect of the glue was then evaluated on female wistar rats, by inhalation' in a 1L capacity jar for a period of 5 min at doses of 320 mg/l and 640 mg/l. The rat behavioral changes, driving test, tail flick test, tolerance test and 28 d subchronic toxicity test were carried out.Results: The survey has identified street vendors as glue sniffers (80.95%). The most cited reason for the glue inhalation was the tailism (79.76%) and the presumed effect was to feel stronger (76.19%). On wistar rat, ‘‘Dia'' glue has induced some behavioral changes. It has increased significantly the righting recovery reflex time and the maintaining time of the tail in warm water. After 28 d exposition, 5 min per day, ‘‘Dia'' glue increased significantly (pË‚0.001) the relative weight of the spleen, the AST (pË‚0.001) and ALT (pË‚0.001). It has also induced an anaemia associated with a thrombocytosis. The analysis of the glue by GC-HS-MS has showed a high amount of toluene (65%), a lesser proportion of dimethyl cyclohexane, ethyl acetate and traces of benzene, ethylbenzene and xylene.Conclusion: The sniffing of ‘‘Dia'' glue is very dangerous. Addiction especially that which is done with volatile substances must, therefore, be carefully controlled.Â