Biology - Ecology news

100,000 elephants killed in Africa, study finds

Poachers killed an estimated 100,000 elephants across Africa between 2010 and 2012, a huge spike in the continent's death rate of the world's largest mammals because of an increased demand for ivory in China ...

Aug 18, 2014
5 / 5 (5) 3

Why marine fish don't go into the deeper blue

(Phys.org) —Fish appear to be absent from the ocean's greatest depths, the trenches from 8,400 to 11,000 m. A team told Proceedings of the National Academy of Sciences about this in a study titled "Marin ...

Mar 05, 2014 report
4.5 / 5 (11) 4

Amazon's canopy chemistry is a patchwork quilt

In many ways, plants act as chemical factories, using energy from sunlight to produce carbon-based energy and taking nutrients from the soil in order to synthesize a wide variety of products. Carnegie scientists ...

Mar 03, 2014
4.7 / 5 (3) 0

Wallace's century-old map of natural world updated

Until today, Alfred Russell Wallace's century old map from 1876 has been the backbone for our understanding of global biodiversity. Thanks to advances in modern technology and data on more than 20,000 species, ...

Dec 20, 2012
4.3 / 5 (6) 0 | with audio podcast

Have thieving rodents saved tropical trees?

Big seeds produced by many tropical trees were probably once ingested and then defecated whole by huge mammals called gomphotheres that dispersed the seeds over large distances. But gomphotheres were probably ...

Jul 16, 2012
4 / 5 (2) 1 | with audio podcast

Foundational concept of ecology tested by experiment

An elementary school science activity asks children who have each been assigned a wetland plant or animal to connect themselves with string and tape to other "organisms" their assigned plant or animal interacts ...

Jun 22, 2012
4.3 / 5 (8) 1 | with audio podcast

From yeast, researchers learn how populations collapse

In the early 1990s, overfishing led to the collapse of one of the most bountiful cod fisheries in the world, off the coast of Newfoundland. Twenty years later, the cod population still has not recovered, dramatically ...

Jun 01, 2012
4.4 / 5 (7) 21 | with audio podcast