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What kind of organism cause the Great potato famine in ireland in the 1800s?
lichen bugs spread the disease
Did the potato blight cause a reduction in population in Ireland?
The potato famine in Ireland which was caused by the potato blight killed in the region of 2 million people out of a pre-famine population of 9 million, and it started emigration to America, Canada, Australia and other places, displacing another one million during the famine, and many more since.
What was the most common reason why a large number of Irish immigrants came to the US in the 1840s?
Most of the immigration was caused by the potato famine, but some were caused when their king had switched to a England church because of his marriage. That caused England to be in control of Ireland which left them weak. Another when the black plague had spread to them from England and the Irish were mad at them cause now, England had made most of their troubles.
How did environmental conditions in mid 19th century Ireland influence migration patterns?
There was a horrible famine which forced people to leave Ireland either for England, or for the United States. Nevertheless, to my knowledge, the main natural cause of the famine was a potato disease (as the British rule made things much worse), not an environmental imbalance.
Did fungus cause the potato famine in 1840?
yes
Did fungus cause the 1840 potato famine?
yes
Did diatom cause the Irish potato famine?
no, oomycetes.
Are protist organisms any harm?
Yes protists cause disease , cause red tide, and the Irish potato famine Yes protists cause disease , cause red tide, and the Irish potato famine
What year did the Potato Famine begin?
The great Irish potato famine started in the United Kingdom of Great Britain and Ireland in the years 1842 to 1852. There was mass starvation, which is estimated to of killed one million people. Many people also emigrated from Ireland because of the famine. Ireland's population is estimated to have decreased as much as 25 percent in just seven years. Historians now know the cause of the famine was a disease called potato blight. The famine was so great, because at the time nearly 33 percent of Ireland's population relied solely on potatoes for nourishment.
Why did the potato fungus in Ireland impact the population so horrifically?
In the 1840s the potato was widely grown in Ireland. It formed a major part of the diet of many Irish people. When the fungus killed the potatoes it cause a failure of the crop. This led to a famine. As a result many people starved to death or left Ireland in search of a better life. To this day the population of Ireland is still much lower than it was before the famine.
What was the cause of the Irish potato famine?
Blight a disease that spread through potatoes
What was one cause of increased immigration in the 1840?
Disease damaged the potato crop in Ireland.
