Sentences with phrase «declining monarch»

In response to the declining monarch butterfly population, resident artist Jenny Kendler debuted Milkweed Dispersal Balloons as part of the recent Marfa Dialogues / St. Louis series.

The project is a mobile food cart that will distribute milkweed seeds across the area, to strengthen the declining monarch butterfly population.

So the best way to help declining monarch populations — and to preserve their epic, multi-generational migration — is to plant milkweed.

Not exact matches

Their annual migration from North America to Mexico has been called «one of the most spectacular natural phenomena in the world,» but the monarch butterfly is not only in decline — it's closer to extinction than previously thought, research shows.

The number of monarch butterflies reaching sanctuaries in Mexico has been declining thanks to climate change and loss of its weedy food

But monarch populations are in decline, so more information about where they breed is important for their conservation, Flockhart said.

«We didn't see the decline in the proportion of monarchs we expected in the breadbasket of the U.S. — the Midwestern states — due to the loss of milkweed, but that could be because monarch numbers dropped across North America,» said Flockhart.

«Monarchs are an ideal species to study because the hypotheses proposed to explain their decline include climate and land use factors occurring during every season of their annual cycle and incorporating broad geographic extents.»

The population has declined by over 95 % in the last thirty years, and the migratory monarch population is now at a high risk of extinction.»

Cheryl B. Schultz, Leone M. Brown, Emma Pelton, and Elizabeth E. Crone; Citizen science monitoring demonstrates dramatic declines of monarch butterflies in western North America

Citizen science monitoring demonstrates dramatic declines of monarch butterflies in western North America.

Among the causes of monarch decline, insecticide use may be an important yet overlooked factor.

«Scientists, policy makers and the public have been focused on the dramatic declines in the well - known eastern population, yet this study reveals that western monarchs are even more at risk of extinction,» Pelton said.

The loss of breeding habitat, especially milkweed, due to the increased use of genetically modified herbicide - resistant crops, is an important factor influencing the decline of monarchs in the eastern United States.

A new study published today in Biological Conservation shows a dramatic decline in the California overwintering population of monarchs in the past three decades.

The Xerces Society's Western Monarch Thanksgiving Count provides a long - running record of the number of monarchs overwintering in California — including the steep decline of recent decades.

In addition to documenting decline and prioritizing overwintering sites, the report also identifies important knowledge gaps about monarchs in the West and identifies conservation issues and general management recommendations for overwintering groves.

Monarchs overwintering in Mexico have undergone an 84 % decline from their population maximum in 1996.

Although the number of monarchs overwintering in Mexico experienced an uptick last year, overall decline since the late 1990s is comparable to the decline in California over the same time period.

Another example of the importance of citizen science data can be found in a study recently published in the journal Biological Conservation, which documents severe declines in monarch overwintering populations in California.

By Patrick J. Kiger, Discovery News Over the past 20 years, North America's population of monarch butterflies has declined by a catastrophic 90 percent, a plight that may be caused by pesticides and loss of the once - vast acres of wild milkweed that are the creatures» food source.

FOR IMMEDIATE RELEASE Contacts: Sarina Jepsen, Endangered Species Program Director, The Xerces Society for Invertebrate Conservation, [phone], [email protected] Emma Pelton, Conservation Biologist, Endangered Species Program, The Xerces Society for Invertebrate Conservation, [phone], [email protected] Western Monarch Butterflies Continue to Decline Annual census of monarchs overwintering on the California coast reveals the lowest number of Read more...

But declines in milkweed — their caterpillars» only source of food — have led to a 90 percent decline in monarch numbers.

The petitioners say the decline is due to the «drastically reduced and degraded» monarch habitat, which has been caused by development, logging, climate change and, especially, pesticides.

By Sandy Bauers, Inquirer GreenSpace Columnist In a little less than 20 years, monarch butterflies — those orange icons of the garden — have declined more than 90 percent.

By Chris Clarke, KCET With the recent declines in numbers of monarch butterflies leading to the popular insect becoming a candidate for listing as an endangered species, more and more gardeners are thinking about growing milkweed.

Environmental groups seeking federal protection for monarch butterflies blame the use of genetically modified crops for the insect's steep decline.

The western population of monarchs has undergone a long term decline that mirrors the trend observed at overwintering sites in the mountains of central Mexico, where monarchs from both the eastern and western U.S. also spend the winter.

In the last 20 years, monarch butterfly populations are thought to have declined by more than 90 percent.

The loss of milkweed plants due to extensive herbicide use and changes in farming practices, such as the widespread adoption of herbicide - resistant crops, has been identified as a major contributing factor of monarch's decline in the eastern U.S. Disease, climate change, widespread insecticide use, and loss or degradation of nectar - rich habitat may also be contributing to declines.

Tagsmonarch butterfly, western monarch butterfly, monarchs, monarch butterfly population declining, monarch butterfly getting extinct

«To avoid further monarch declines,» noted Make Way for Monarchs cofounder, Gary Nabhan, «we need to support farmers and public land managers to plant milkweeds and other native wildflowers on 10 to 20 million acres over the coming years.»

That decline in biodiversity on farms threatens insects, like monarch butterflies.

For years local volunteers have counted the monarchs, tracking a population that has been steadily declining.