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Archive for July, 2010

New book on weevil identification

Monday, July 12th, 2010

Ciegler, J. C. 2010. Weevils of South Carolina (Coleoptera: Nemonychidae, Attelabidae, Brentidae, Ithyceridae, and Curculionidae). Biota of South Carolina. Vol. 6. Clemson University, Clemson, S. C. 276 pp.

This book contains keys, descriptions, drawings, and photographs of 522 species of weevils found or likely to occur in South Carolina, USA (exclusive of Scolytinae and Apioninae). Appendices include host plants, new state records, aquatic and semiaquatic forms. The book may be purchased for $40.00 (shipping & handling included) from: Public Service Room, 96 Poole Agricultural Center, Clemson University, Clemson, SC 29634-0129, or online from http://clemson.edu/psapublishing.

Canopy Ecology with CanopyMeg selected as one of the 10 coolest college classes

Wednesday, July 7th, 2010

Popular Science Magazine is doing an article on the 10 coolest college classes in the country. One of their selections was Canopy Ecology with CanopyMeg. Canopy ecology has been taught at New College (FL) for 7 years, but will be taught at North Carolina State University (NC) in the next few years. So, hopefully canopy students can take flight to all different types of forests in USA.
Photos of our demonstration — with students — in Myakka River State Park, FL are below.

Students in pictures include: Christine McCormick, Taylor Jamrok, Meghan McAvoy, Sun, Ling

Madagascar’s tree-top science

Friday, July 2nd, 2010

From Wired News:

If you want to study the rainforest, there is no better place to be than on top of it — literally. This pretzel-shaped structure on top of the Masoala National Park forest in Madagascar is called a canopy raft. Biologists use it to access the rainforest canopy, the upper layer of the forest.

These inflatable surfaces are lowered by a blimp and placed right on top of the trees, providing scientists with a working surface of 400 square metres of mesh strung between PVC hoops. “We just used to have ropes and climbing gear,” says canopy scientist Meg Lowman of the New College of Florida. “Now, a canopy raft mission costs about $1 million, involving about 50 people at the base camp and eight on the raft,” she says. “They last for days and everybody takes turns on one.”

Finding oil spill solutions

Friday, July 2nd, 2010

From the Herald-Tribune:

Although it is tempting for residents around the Gulf Coast to limit their conversations to complaints about the oil spill, it is even more important to talk about solutions, and educate ourselves about the scientific process of “ecosystem restoration.”

Employing the best solutions is critical to the future of jobs, economy, ecology, tourism and quality of life in Florida and throughout the Gulf states. Insisting on the best solutions to this catastrophe will require citizens with a sound education of restoration ecology. This science is defined as “restoring the natural cycles to a disturbed or damaged landscape.”

In a nutshell, here are 10 ways to clean up oil from water bodies. While each has potential benefits, most restoration processes also involve drawbacks:

1.Manual shoreline cleanup — Although time-consuming and requires training, this is a great way to utilize large teams of volunteers.

2.High-pressure washing — Pressure-cleaning can actually damage more delicate organisms, but may be effective for sea walls, boats and other surfaces.

3.Natural recovery — Eventually Mother Nature will do the best job of any restoration actions, but she requires a relatively long timeline, perhaps beyond our lifetimes.

4.Dispersants — Chemicals break down surface oil effectively, but they actually break the oil into smaller particles which can enter the food chains and contaminate ecosystems for generations.

5.Burning — If oil slicks are collected into thick mats, burning reduces the chance of onshore oil, but the resulting black smoke and particulates produce a different type of pollution.

6.Booms and skimmers — This labor-intensive equipment is very effective with few side effects, but is best used near the source before the oil disperses. Booms can be effective in keeping oil away from delicate areas such as bird rookeries, public beaches, or harbors; but placement is tricky and uncertain.

7.Absorbent materials — Pads, bark-chip mats or other large sponge-like substances can absorb oil, but then require removal themselves as toxic waste.

8.Vegetation cutting — Removing marsh grass or other oily vegetation usually does more harm to the integrity of the ecosystem than the benefits of a relatively small amount of oil removal.

9.Mechanical removal — Bull-dozing and hauling away oily sediments such as blackened beach sand are appropriate for heavily soiled areas, but usually does more harm to the ecosystem over time than the short-term aesthetic benefits.

10.Use less oil — The most powerful action for cleaning oil spills is to avoid them altogether. One important solution is embarrassingly missing from most regional, and even national, conversations: conservation of fuel.

Americans may be missing the biggest educational solution or teaching moment of the Gulf catastrophe if parents and policymakers overlook these three important words: Use less oil.

Margaret Lowman is director of Environmental Initiatives at New College of Florida.

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