Regions around the mississippi river and the manitoba province in canada were hardest hit .
美国密西西比河流区域和加拿大的曼尼托巴省成为重灾区。
Pictured here : two polar bears spar , or play fight , in churchill , manitoba .
图为两只北极熊在争吵或打闹,摄于马尼托巴丘吉尔。
With deadlines for full canola crop insurance ranging between june 10 and 20 in manitoba and saskatchewan , hammond said he expects most farmers will choose not to reseed .
They have been arriving in growing numbers to feed on belugas , seals and narwhals , according to a recent study by scientists from the university of manitoba .
他们已经抵达越来越多食用白、海豹和寿命:独角鲸的一项最新研究表明马尼托巴大学的科学家。
But opposition leaders quickly pointed out that approving it was not likely to be of net benefit to the minority government of mr harper 's conservative party , which depends on mps from saskatchewan , alberta and manitoba .
Vaclav smil of the university of manitoba in winnipeg argues that this process , rather than the transistor or computer , was the century 's most important invention , and that 2.5 billion people would not be alive without it .
Led by norah vincent , a psychologist at the university of manitoba , the study included 118 adults who were randomly assigned to complete the program or remain on a waiting list .
In manitoba , the frost is the worst in memory for its frequency and area covered , said derwyn hammond , the province 's senior agronomy specialist for the canola council .