Shorter, wider flowers may transmit more parasites to bees

North Carolina State University researchers show that the shape of flowers has the biggest effect on how parasites are transmitted to bees, an important consideration for declining populations of our prodigious pollinators. ...

Dominant ant species significantly influence ecosystems

Ants and humans represent approximately the same amount of biomass on our planet. Together with other social insects, ants make up a third of the entire animal biomass in the tropics and hence have a major effect on their ...

Marine protected reserves do more than restore fish

In a new analysis of the effectiveness of marine protected areas worldwide, University of Massachusetts Amherst marine ecologist Brian Cheng and colleagues report that reserves not only replenish target fish populations, ...

Freeloading orchid relies on mushrooms above and below ground

The non-photosynthesizing orchid species Gastrodia pubilabiata smells like rotting mushrooms or fermented fruit, and is pollinated by fruit flies who mistakenly lay their eggs in its flowers. If there are rotting mushrooms ...

Birds maintain rare plant species, study finds

Outside of human influences, why do rare plant species persist instead of dwindling away to extinction? It's a question that has plagued ecologists for centuries. Now, for the first time, scientists at Penn State and Universidad ...

Invasive crayfish sabotages its own success, study says

Since they were first released as live bait in the mid-twentieth century, rusty crayfish have roamed lake bottoms in northern Wisconsin, gobbling native fish eggs, destroying aquatic plants, and generally wreaking havoc on ...

Declining fortunes of Yellowstone's migratory elk

(Phys.org) —In the late spring, the 4000 elk of the Clarks Fork herd leave crowded winter grounds near Cody, Wyoming, following the greening grass into the highlands of the Absaroka Mountains, where they spend the summer ...

page 8 from 30