Navigation Links
Monarch butterflies down again this year as decline continues, says Texas A&M expert
Date:3/21/2012

COLLEGE STATION, 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.

Craig Wilson, a senior research associate in the Center for Mathematics and Science Education and a long-time butterfly enthusiast, says reports by the World Wildlife Fund, private donors and Mexico's Michoacan state show that Monarch numbers will be down almost 30 percent in 2012 as they make their annual trek from their breeding grounds in Mexico and move across Texas.

The figures show an alarming decades-long decline in their numbers, Wilson says, adding that it is best "that we take the long view rather than yearly cycles.

"The latest information shows that Monarchs will be down from 25 to 30 percent this year, and that has been part of a disturbing trend the last few years," Wilson notes.

"Last year's severe drought and fires in the region no doubt played a part, resulting in less nectar for the Monarchs as they migrated south. But estimates show that each year, millions of acres of land are being lost that would support Monarchs, either by farmers converting dormant land for crop use mainly to herbicide tolerant corn and soybeans or the overuse of herbicides and mowing. Milkweed is the key plant because it's the only plant where the female will lay her eggs."

The loss of such lands is a critical factor in the Monarchs' survival, Wilson explains.

"Chip Taylor, who is the director of Monarch Watch at the University of Kansas, estimates that 100 million acres of land have already been lost that previously supported Monarchs," Wilson notes.

Most of the Monarch reserves are in the Mexican state of Michoacan. It's an area where Monarchs spend the winter and mate before heading north, Wilson points out.

In the spring, the butterflies leave Mexico and acro
'/>"/>

Contact: Keith Randall
keith-randall@tamu.edu
979-845-4644
Texas A&M University
Source:Eurekalert

Page: 1 2

Related biology news :

1. As monarch butterflies journey north, gardeners can help protect species, researcher says
2. U of G research reveals how monarchs fly away home
3. Study finds monarch butterflies use medicinal plants to treat offspring for disease
4. Study reveals how monarch butterflies recolonize northern breeding range
5. Hind wings help butterflies make swift turns to evade predators, study finds
6. Now butterflies are also being counted in China, Australia and Israel
7. From butterflies wings to bank notes -- how natures colors could cut bank fraud
8. Butterflies shed light on how some species respond to global warming
9. Wildflower colors tell butterflies how to do their jobs
10. No safety in numbers for moths and butterflies
11. Research reveals how butterflies copy their neighbors to fool birds
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:10/16/2014)... can be cultivated efficiently, they are anything but ... by monoculture cultivation is becoming increasingly evident. Despite ... form and are regarded as the sole possibility ... quite wrongfully, finds Bernhard Schmid, an ecology professor ... novel form of agriculture and forestry. After all, ...
(Date:10/15/2014)... the pandemic risk from strains of influenza virus increases ... ourselves to become complacent that the most substantial threats ... , Influenza pandemics arise when a new virus strain ... immunity – spreads in the human population. There have ... the worst of which – the 1918 Spanish Flu ...
(Date:10/15/2014)... NXT-ID, Inc. (NASDAQ: NXTD and NXTDW) ... growing mobile commerce market releases photos and video of the recent ... October 13 th . Gino Pereira , ... angel investor Mr. Chad A. Verdi rang the bell.  ... his investors and employees "for their work and dedication in bringing ...
Breaking Biology News(10 mins):Plant communities produce greater yield than monocultures 2Plant communities produce greater yield than monocultures 3Scientists 'must not become complacent' when assessing pandemic threat from flu viruses 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 2Photo Release: NXT-ID Inc. Rings Opening Bell of the NASDAQ Stock Market October 13th 3
... entire lives as parasites on birds, it is difficult ... the University of Gothenburg, Sweden, reveals. Researcher Daniel ... world and investigated how host birds, migration patterns affect ... very small eyes, chewing lice are, by and large, ...
... temperature of the food we eat affect the intensity of ... new study by Dr. Gary Pickering and colleagues from Brock ... temperature of foods and drinks have an effect on the ... but not sweetness. Their work is published online in Springer,s ...
... first in a series of annual literature reviews ... was recently released by Society of Interventional Radiology ... expanding, and it has become increasingly difficult for ... volume of literature required to remain current," said ...
Cached Biology News:Hitch-hiking with birds for life 2To get the full flavor, you need the right temperature 2'Updates in Interventional Radiology' accents emerging trends, practice growth 2
(Date:10/22/2014)... , Oct. 22, 2014 Research ... the "Global DNA Diagnostics Market (Product types, ... Share, Global Trends, Company Profiles, Demand, Insights, Analysis, ... 2020" report to their offering. ... (products, applications, techniques, end users and Geography) Global ...
(Date:10/22/2014)... The Americas Inorganic Refrigerants Market report defines and ... analysis and forecast of revenue. , Browse through ... report, to get an idea of the in-depth ... the segmentation in the Americas inorganic refrigerants market, ... , http://www.micromarketmonitor.com/market/americas-inorganic-refrigerants-4191654241.html , Inorganic refrigerants ...
(Date:10/22/2014)... Shimadzu Scientific Instruments introduces its Open Solution ... pain management and clinical markets. The software increases the ... allowing users to highlight and review results that are ... analysts to filter results by group or based on ... the need to sift through analytes of no interest. ...
(Date:10/22/2014)... (PRWEB) October 22, 2014 WriteResult, ... services – has been working with a team of ... New Haven Farms Community Farming Collaborative to provide electronic ... solution. The study, which started in May, aims ... that provides participants weekly exposure to and participation in ...
Breaking Biology Technology:Global DNA Diagnostics Market (Product types, Application, Technology, End User and Geography) - Forecast to 2020 2Global DNA Diagnostics Market (Product types, Application, Technology, End User and Geography) - Forecast to 2020 3The Americas Inorganic Refrigerants Market is estimated to grow to $71.6 million by 2018 - New Report by MicroMarket Monitor 2The Americas Inorganic Refrigerants Market is estimated to grow to $71.6 million by 2018 - New Report by MicroMarket Monitor 3Shimadzu Releases QuantAnalytics Open Access LCMS Software Package for Clinical Applications 2myPROpad™ Topic of Panel Discussion at the Yale Food Systems Symposium 2myPROpad™ Topic of Panel Discussion at the Yale Food Systems Symposium 3
... U.S. Department of Energys Brookhaven National Laboratory have developed ... and micrometer-sized particles. The method, based on designed DNA ... to manipulate the structure and therefore the properties ... be of interest to industry. For example, such fine-tuning ...
... 12 BioReliance Corporation, a,leading contract services ... contracted with Gentronix to offer their,GreenScreen HC ... of BioReliance,s portfolio of,genotoxicity screening services. GreenScreen ... pharmaceutical companies to test for genotoxic potential,earlier ...
... Inc. (Nasdaq:,PPDI) today announced Daniel G. Darazsdi has ... position on October 1. Mr. Darazsdi, 47, ... a $34 billion diversified technology and manufacturing,leader, where ... CFO of finance,transformation and operations. Over the years ...
Cached Biology Technology:New DNA-based technique for assembly of nano- and micro-sized particles 2BioReliance Launches Next-Generation Genotoxicity Screening Service 2PPD Names Daniel Darazsdi as Chief Financial Officer 2PPD Names Daniel Darazsdi as Chief Financial Officer 3
Request Info...
... Panomer 9 oligodeoxynucleotides ... are labeled at the ... proprietary Alexa Fluor dyes ... for assessing microarray spot ...
Topoisomerase I, isolated from wheat germ, is an enzyme capable of removing negative supercoils from covalently closed circular DNA (1)....
DEAD (Asp-Glu-Ala-Asp) box polypeptide 5...
Biology Products: