Spread of sylvatic plague among black-tailed prairie dogs is associated with colony spatial characteristics. J. Wildl. Manage. 75, 357-368.Johnson TL, Cully JF, Collinge SK, Ray C, Frey CM, et al. (2011) Spread of Plague Among Black-Tailed Prairie Dogs Is Associated With Colony Spatial...
2. To move over the entirety or majority of some area; to be distributed or dispersedThe plague spread across the region incredibly quickly, killing millions of people in its wake.Military forces began spreading across the city in a bid to reclaim it from the insurgents. ...
Only by direct contact with infected people D. By the bite of a special kind of insect 相关知识点: 试题来源: 解析 B。解析:黑死病主要通过被污染的水和食物传播。当时并没有认为是通过魔法传播(A选项错误);不只是通过直接接触感染者传播(C选项过于绝对);也不是通过特殊昆虫叮咬传播(D选项错误)。
However, a new study suggests that rats weren’t the main carriers of fleas and lice that spread the plague—it was humans. Ina studypublished in January 2017 in theProceedings of the National Academy of Sciences, researchers simulated Black Death outbreaks in European cities to try and understa...
The Plague Spreads By the 1300s, several Italian city-states had established trade relationships throughout the Mediterranean and Black Seas. The Genoese had a successful colony at the city of Kaffa on the Crimean Peninsula, which they held with the permission of the Mongol rulers of the region...
The Black Death was an epidemic which spread across almost all of Europe in the years 1346-1353. The plague killed over a third of the entire population. It has been described as the worst natural disaster in European history and is responsible for changing the course of that history to a...
3 In his monograph, Cohn accepts that bubonic plague can be spread by shipments of grain, but denies all other types of spread by goods, textiles or clothing: see Cohn 2002: 29, 31–2. However, later, in a review of my monograph on the Black Death, he denies fl atly the relevance...
(blue), DA101/Tian Shan plague (black), Justinian plague (orange), Black Death (purple), modernY. pestisD1982001 (green) andY. pseudotuberculosisIP32881 (red). A red arrow indicates the position of theymtgene within a missing region (also marked in red) of the pMT1 plasmid in the ...
内容提示: Emergence, spread, persistence andfade-out of sylvatic plague in KazakhstanLise Heier1, Geir O. Storvik1,2, Stephen A. Davis3,Hildegunn Viljugrein1,4, Vladimir S. Ageyev5,Evgeniya Klassovskaya6and Nils Chr. Stenseth1,*1Centre for Ecological and Evolutionary Synthesis (CEES), ...
Itwasa disease orplague spread by___in___.ItspreadthroughEurope inthemiddleof 14thcenturyandreached Englandinthesummerof 1348.___andthepopulation ofEngland shrank.Itcaused___andother socialproblems.相关知识点: 试题来源: 解析 ratfleas 14thcentury...