Related topics: species · climate change

Do parasites upset food web theory?

Parasites comprise a large proportion of the diversity of species in every ecosystem. Despite this, they are rarely included in analyses or models of food webs. If parasites play different roles from other predators and prey, ...

Pantry pests trade immunity for sex

(Phys.org) —When presented with a bevy of beauties, male meal moths - the scourge of many a household pantry - will prefer to invest in sex over self-preservation, according to researchers.

Pollination merely one production factor

(Phys.org) —No food for the human race without bees? It is not quite as straightforward as that. A case study by ecologists from ETH Zurich in a coffee-growing area in India reveals that pollinating insects are just one ...

Getting to the bottom of the zombie ant phenomenon

(Phys.org) —While unraveling a dramatic case of mind control, biologist David Hughes is taking calls from Hollywood—and gaining new insights into the role behavior plays in spreading disease.

Invaders' away-field advantage weaker than ecologists thought

(Phys.org) —For decades, ecologists have assumed the worst invasive species—such as brown tree snakes and kudzu—have an "away-field advantage." They succeed because they do better in their new territories than they ...

Wetlands: value to locals matters most

A new way of valuing ecosystem services, incorporating the local perspective, is the driving force behind a project assessing aquatic ecosystems in highland areas of Asia

Gender-bending fish share their secrets

When David Booth spotted his first seadragon he thought the colourful 40 centimetre-long fish looked like an intergalactic hybrid: half alien, half animated seaweed. "They are amazing things," the marine ecologist says.

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