Tick-borne encephalitis virus expansion to higher altitudes correlated with climate warming.

@article{citeulike:2730324, abstract = {Since 2002, the expansion of Ixodes ricinus ticks and tick-borne infection agents have been studied in the Krkonose Mts., Czech Republic. Tick-borne encephalitis virus was detected by means of RT-PCR. In 2003, it was detected in 2 out of 491 ticks at 620 and 710-720m a.s.l., respectively, and in 3 out of 939 ticks at 600m a.s.l. at the same locality in 2004. In 2005, tick-borne encephalitis virus was detected in 5 out of 295 ticks at 900-1100m a.s.l., which is above the formerly known altitudinal limit of I. ricinus distribution. The reason for that could be found in the changing climate. Based on the meteorological data collected in the Krkonose Mts., 1961-2005, there was a significant increase in the mean annual temperature (1.3-1.4 degrees C) over that period, namely by 2-3.5 degrees C in May through August. Thus, with respect to the average vertical temperature gradient in summer of about 0.6 degrees C/100m, 2 degrees C correspond to 300-350m in altitude, and accordingly 3.5 degrees C correspond to a shift in altitude of approximately 550-600m, that being in accordance with environmental conditions of the former I. ricinus altitudinal limit confirmed in the Krkonose Mts. 20 years ago.}, address = {National Institute of Public Health, \v{S}rob\'{a}rova 48, CZ-100 42 Prague 10, Czech Republic.}, author = {Danielov\'{a}, Vlasta and Schwarzov\'{a}, Lucie and Materna, Jan and Daniel, Milan and Metelka, Ladislav and Holubov\'{a}, Jaroslava and K\v{r}\'{i}\v{z}, Bohum\'{i}r }, citeulike-article-id = {2730324}, doi = {10.1016/j.ijmm.2008.02.005}, issn = {1618-0607}, journal = {International journal of medical microbiology : IJMM}, keywords = {climate, disease, ixodes, tbe, tick-borne, ticks}, month = {April}, posted-at = {2008-04-28 16:35:53}, priority = {2}, title = {Tick-borne encephalitis virus expansion to higher altitudes correlated with climate warming.}, url = {http://dx.doi.org/10.1016/j.ijmm.2008.02.005}, year = {2008} }

TY - JOUR ID - citeulike:2730324 TI - Tick-borne encephalitis virus expansion to higher altitudes correlated with climate warming. JF - International journal of medical microbiology : IJMM AD - National Institute of Public Health, Šrobárova 48, CZ-100 42 Prague 10, Czech Republic. SN - 1618-0607 N2 - Since 2002, the expansion of Ixodes ricinus ticks and tick-borne infection agents have been studied in the Krkonose Mts., Czech Republic. Tick-borne encephalitis virus was detected by means of RT-PCR. In 2003, it was detected in 2 out of 491 ticks at 620 and 710-720m a.s.l., respectively, and in 3 out of 939 ticks at 600m a.s.l. at the same locality in 2004. In 2005, tick-borne encephalitis virus was detected in 5 out of 295 ticks at 900-1100m a.s.l., which is above the formerly known altitudinal limit of I. ricinus distribution. The reason for that could be found in the changing climate. Based on the meteorological data collected in the Krkonose Mts., 1961-2005, there was a significant increase in the mean annual temperature (1.3-1.4 degrees C) over that period, namely by 2-3.5 degrees C in May through August. Thus, with respect to the average vertical temperature gradient in summer of about 0.6 degrees C/100m, 2 degrees C correspond to 300-350m in altitude, and accordingly 3.5 degrees C correspond to a shift in altitude of approximately 550-600m, that being in accordance with environmental conditions of the former I. ricinus altitudinal limit confirmed in the Krkonose Mts. 20 years ago. KW - climate KW - disease KW - ixodes KW - tbe KW - tick-borne KW - ticks AU - Danielová, Vlasta AU - Schwarzová, Lucie AU - Materna, Jan AU - Daniel, Milan AU - Metelka, Ladislav AU - Holubová, Jaroslava AU - Kříž, Bohumír PY - 2008/04/21/ UR - http://dx.doi.org/10.1016/j.ijmm.2008.02.005 ER -