Monsanto kills butterflies, damages humans


This National Geographic video says about itself:

The monarch butterfly‘s wintering grounds in Mexico are in peril. Are the monarchs in trouble, too?

March 21, 2012 – Unlike their colorful wings, the future of Monarch butterflies may not be too bright and their numbers are expected to be alarmingly down again this year, says a Texas A&M University researcher: here.

By Mike Barrett, of the Natural Society in the USA:

Monsanto‘s Roundup Ravaging Butterfly Populations, Study Shows

Friday 9 March 2012

Monsanto’s Roundup, containing the active ingredient glyphosate, has been tied to more health and environmental problems than you could imagine. Similar to how pesticides have been contributing to the bee decline, Monsanto’s Roundup has been tied to the decrease in the population of monarch butterflies by killing the very plants that the butterflies rely on for habitat and food. What’s been shown to be an even greater threat to the population, though, is Monsanto’s Roundup Ready corn and soybeans.

Roundup Ready Crops and Glyphosate Leading to Downfall of Insect Populations

A 2011 study published in the journal Insect Conservation and Diversity found that increasing acreage of genetically modified Roundup Ready corn and soybeans is heavily contributing to the decline in monarch butterfly populations within North America. Milkweed, a plant butterflies rely on for habitat and food, is being destroyed by the heavy use of glyphosate-based pesticides and Roundup Ready crops. Over the past 17 years, the monarch butterfly population in central Mexico has declined, reaching an all-time low in 2009-2010.

“This milkweed has disappeared from at least 100 million acres of these row crops,” said Dr. Taylor, an insect ecologist at the University of Kansas and director of the research and conservation program Monarch Watch. “Your milkweed is virtually gone…this [glyphosate use on RR crops] is the one main factor that has happened…you look at parts of the Midwest where there is a tremendous use of these crops and you see monarch populations dropping. It’s hard to deny the conclusion.”

According to the Department of Agriculture, in 2011 94 percent of soybeans and 72 percent of corn grown in the United States were herbicide-tolerant. Due to this increase, the amount of Roundup used on crops in 2007 was 5 times higher than in 1997, only one year after Roundup Ready crops were available.

Another study published in the journal Crop Protection and conducted by Robert G Hartzler, an agronomist at Iowa State, found that milkweed on farms in Iowa declined 90 percent from 1999 to 2009. Additionally, his study found milkweed only on 8 percent of corn and soybean fields surveyed in 2009, which is 51 percent lower than in 1999.

Although the butterfly population may be suffering, humans are taking heat from Monsanto’s creations as well. Past research has shown that Monsanto’s Roundup ready crops are leading to mental illness and obesity, primarily by destroying the amount of good bacteria found in the gut. The corporation’s Roundup, containing glyphosate, has also been shown to cause infertility and birth defects.

Stanford Univ (USA), March 15, 2012 –Early snow melt in the Colorado Rocky Mountains initiates two chains of events resulting in population decline in the mormon fritillary butterfly, Speyeria mormonia. One effect of snow melt date was readily detectable, but the second, cryptic effect required an understanding of the butterfly’s biology. “This suggests that predicting effects of climate change on organisms’ population sizes will be difficult in some cases due to lack of knowledge of the species’ biology,” noted Dr. Carol Boggs, professor in the department of biology at Stanford University and lead author on the study: here.

Gravel Pits Are An Unexpected Butterfly Paradise: here.

How to save Europe’s threatened butterflies: here.

12 thoughts on “Monsanto kills butterflies, damages humans

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