Sentences with phrase «on butterfly populations»

This major effort is continuing and represents the world's largest dataset of intensive site - specific data on butterfly populations collected by one person under a strict protocol.»

The Chicago Academy of Sciences / Peggy Notebaert Nature Museum has collaborated with this successful effort to explore the effect that habitat management has on butterfly populations.

Doug Taron, chief curator at the Chicago Academy of Sciences / Peggy Notebaert Nature Museum, works with citizen scientists through the Illinois Butterfly Monitoring Network in the process of collecting quantitative data on butterfly populations.

Not exact matches

To better understand the potential role of acoustic signals in butterfly larvae integration and adoption by ant colonies, scientists compared two populations of parasitic butterflies: a predatory species that feeds on ant broods, and a cuckoo species that is fed directly by the worker ants.

Immature butterflies may die immediately following controlled burns, but populations can recover over time, with the amount of time depending on the species.

The National Resource Defense Council filed a similar action on Oct. 16 against the EPA to block Enlist Duo, saying the new weed killer will be destructive to monarch butterfly populations and pose risks to humans.

Milkweed loss in agricultural fields because of herbicide use: effect on the monarch butterfly population.

The threat this poses to monarch populations was underscored by Dr. Sonia Altizer, a professor at the University of Georgia and leading researcher on monarch diseases: «Disease can build up in farmed monarchs, which can then spread to wild butterflies.

Using data on population abundance, trends, and threats, the team of scientists determined that the monarch butterfly species as a whole is apparently secure, but the subspecies occurring in North America is vulnerable to extinction.

On Wednesday evening, a Chicago artist will hand out balloons in Grand Center in an effort to preserve the Monarch butterfly population.

Europe's grassland butterfly population has plummeted in the past two decades, new research published on Tuesday shows, with a near halving in the numbers of key species since 1990.

Even seemingly «straightforward» applications like the assessment of the impact of changes in the mean annual cycle of temperature on shifting butterfly populations did find more climate variables than just temperature to be of importance (see e.g. WallisDeVries et al, 2011; http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3172409/), and this generally applies to many sectors and applications.

As it turns out, for the DOD to continue weapons practice on the base without interruption, it'd have to do its damnedest to make sure the fluttering little butterflies make a comeback.According to biologists, checkerspot butterflies may have seen their populations plummet to near - extinction due to habitat loss, but ironically the fragile insects have found safe haven in the unlikeliest of places, forming one of their largest colonies on the firing range of the military base.

Given the pressing urgency of Colony Collapse Disorder, and the staggering decline in some bumblebee and butterfly populations, it has been a delight to watch (and hear) the bees, wasps, butterflies and dragon flies that have descended on our yard.

Expanding on its efforts to save honey bee populations from extinction, the Obama administration's Pollinator Health Task Force now aims to create and maintain a 1,500 - mile wildlife corridor along Interstate 35 for Monarch butterflies migrating between Mexico and Minnesota.

Depending on where you live and the exposure of your balcony, suggested plant life will vary, but if you choose plants native to your region, and those labeled as attracting butterflies (for example, bee balm, Echinacea, pin cushion flower or scabiosa, butterfly bush, to name a few), you'll be able to help nature by providing a source of nectar for the much - beleaguered bee and butterfly population.