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All News tagged "environmental science"

Legal and illegal logging increased more than 600 percent in Ghana during a 15-year period. Photo credit: Nicole Arcilla.

As Demand for African Timber Soars, Birds Pay the Ultimate Price

A new study co-authored by scientists at Drexel University reveals the devastating impact of illegal logging on bird communities in the understory layer of Ghana’s Upper Guinea rain forests, one of the world's 25 “biodiversity hotspots."
BBPP research staff, Illidio Mebulo, collecting a sample of primate tissue in the market for genetic analysis. Credit: Javier Rivas/BBPP

Where Commerce and Conservation Clash: Bushmeat Trade Grows with Economic Prosperity in 13-Year Study

The bushmeat market in the city of Malabo is bustling—more so today than it was nearly two decades ago, when Gail Hearn, PhD, began what is now one of the region’s longest continuously running studies of commercial hunting activity.  Hearn’s team has now published its comprehensive results of 13 years of daily monitoring bushmeat market activity.

swarm of army ants

Underground Ants Can't Take the Heat

A new Drexel study shows underground species of army ants are much less tolerant of high temperatures than their aboveground relatives—and that could mean  climate change models lack a key element of how animal physiology could affect responses to changing environments.
African Pygmy Kingfisher (Ispidina picta) photographed in Vwaza Wildlife Reserve, Malawi. Credit: Jason D. Weckstein

Study of African Birds Reveals Hotbed of Malaria Parasite Diversity

A new study published this week in the journal PLOS ONE explores the scope of malaria parasite diversity in southeast African birds, and provides insight into how lifestyle characteristics of birds can influence their association with different parasite genera.
A Nigeria-Cameroon chimp rescued from illegal animal trafficking who now lives at the Limbe Wildlife Center in Cameroon. Credit Paul Sesink Clee

Studies of Africa's Most Endangered Chimpanzees Show Complex Evolutionary Past, Perilous Future

A Drexel-led team's complementary analyses of population genetics, geographical distribution and habitat use paint a new picture of the evolutionary past and potentially bleak future of the Nigeria-Cameroon Chimpanzee, already the most endangered chimp subspecies.
Kenneth Lacovara, PhD (center) speaks with a crowd of community members in attendance at the Mantua Township Community Fossil Dig Day.

A World-Class Fossil Dig, a One-of-a-Kind Community Event

More than a thousand residents and visitors to southern New Jersey will dig their own fossils and learn from the Drexel University paleontologist and students who conduct globally significant scientific research at Mantua Township's third annual Community Fossil Dig Day.

Drexel Team Unveils Supermassive Dinosaur Dreadnoughtus

A Drexel-led team has described a new dinosaur species with the most complete skeleton ever found of one of the largest animals to ever walk the Earth. At 85 feet (26 m) long and weighing about 65 tons (59,300 kg) in life, Dreadnoughtus schrani is the largest land animal for which a body mass can be accurately calculated.

A northern pine snake near the edge of an asphalt road in New Jersey. Credit: Dane Ward

Roadside Research from the New Jersey Pinelands and Coast to Coast

Three doctoral students from Drexel's Laboratory of Pinelands Research are presenting their work with northern pine snakes and the Pine Barrens gentian at the Ecological Society of America meeting, after doing some new roadside research during their cross-country drive to Sacramento.
In the Drexel team's experiments, flies died after an average of 5.8 days when consuming a diet of the sweetener erythritol.

You Catch (and Kill) More Flies with This Sweetener

In a study that began as a sixth-grade science fair project, researchers at Drexel University have found that a popular non-nutritive sweetener, erythritol, may be an effective and human-safe insecticide. Erythritol, the main component of the sweetener Truvia®, was toxic to fruit flies in the Drexel team’s study.

A high-resolution digital image of the face of Kryptoglanis shajii

A Tiny, Toothy Catfish with Bulldog Snout Defies Classification

Kryptoglanis shajii is a strange fish — and the closer scientists look, the stranger it gets. This small subterranean catfish sees the light of day and human observers only rarely, when it turns up in springs, wells and flooded rice paddies in the Western Ghats mountain region of Kerala, India. Scientists at the Academy of Natural Sciences of Drexel University have recently provided a detailed description of this fish's bizarre bone structures.

Academy scientists and a Drexel student collect algae and examine the rocks and water depth in Manatawny Creek as part of the Delaware Watershed Conservation Program. Photo Credit: John Strickler/The Mercury

Academy Gets $3.2M Grant to Protect Drinking Water

The Academy of Natural Sciences of Drexel University will coordinate and oversee ecological monitoring projects by more than 40 national and regional environmental organizations in eight designated geographic areas in Pennsylvania, New Jersey, New York and Delaware.

Carol Collier Joins Academy of Natural Sciences as Senior Advisor for Watershed Management and Policy

Carol R. Collier, an experienced leader in regional watershed management and planning, has joined the Academy of Natural Sciences of Drexel University as its Senior Advisor for Watershed Management and Policy. Collier recently retired as Executive Director of the Delaware River Basin Commission, a position she held for more than 15 years.