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Articles sur Biodiversity

Affichage de 741 à 760 de 898 articles

What do collections of dead butterflies do for their still-living counterparts? Andrew D Warren

Why we still collect butterflies

The dead animal specimens that comprise natural history collections contribute a lot toward scientific understanding of their still-living counterparts – and those that have gone extinct.
The Cape sugarbird is vulnerable to ailments, including obesity, that are linked to climate change and urbanisation. J Tinkler

Fast, cheap calories may make city birds fat and sick

Species facing the blitz of accelerating, human-driven change don’t always cope well. Birds are among the most visible windows into this world of vulnerability.
Loggerhead turtle populations are facing a brighter future, but many other species are still in decline, while for others there are no data at all. AAP Image/Lauren Bath

We’ve only monitored a fraction of the Barrier Reef’s species

The Great Barrier Reef is home to some 1,600 species of bony fish, 130 sharks and rays, and turtles, mammals and more. Most have had no population monitoring, meaning we don’t know how well they are faring.
True Australians: hard workers, quiet achievers and generally underappreciated labourers.

Australia: riding on the insect’s back

Insects are largely hidden from view or maligned unfairly, but they make a tremendous contribution to the Australian economy.
NSW Labor has promised a Great Koala National Park to protect koalas, but what about more insidious threats to the environment? Nicki Mannix/Flickr

Key environment policy still unknown in the NSW election

NSW has nearly 300 threatened animal species, including koalas and pygmy-possums. Yet we still don’t know the government’s plans in one area that could pose a serious threat to NSW’s wildlife.
The author, getting up to speed in Davos. World Economic Forum

When a marine biologist went to Davos

If you were to believe the tabloid hype around Davos you might be forgiven for thinking it’s a giant party where elite business types meet celebrities and dole out a few quid to the less fortunate of the…
Island getaway: Tasmanian Devils have been moved to offshore islands to save them from a devastating disease. AAP Image/David Beniuk

Ship Australia’s wildlife out to sea to save it from extinction

Australia is in the grip of an extinction crisis. Our unique animals, plants, and ecosystems are rapidly ebbing away in a process that began more than 200 years ago with European settlement. Feral cats…
Harvesting a crop or mining the soil by taking out more than we return? Flickr/Cyron

The supply chain in farming – do we count all the assets?

Most people understand the idea of a supply chain so that, for example, to make a car you need many thousands of different car components for assembly at the factory. If any of those components are no…
Rabbits can strip grasslands bare and chew through young woody trees. John Schilling/Flickr

The rabbits of Christmas past: a present that backfired for Australia

On Christmas Day 1859, the Victoria Acclimatisation Society released 24 rabbits for hunting, to help settlers feel more at home. Given the millions of dollars in damage to agricultural productivity that…
Energy supply including nuclear is the best way to fight climate change and conserve wildlife and ecosystems. James Marvin Phelps/Flickr

It’s time for environmentalists to give nuclear a fair go

Should nuclear energy be part of Australia’s (and many other countries’) future energy mix? We think so, particularly as part of a solution to reduce greenhouse gas emissions and prevent dangerous climate…
Australia’s north is home to many pristine rivers, but most national parks are focused on land-based conservation. Carole Mackinney/Wikimedia Commons

Why are there no true freshwater protected areas in Australia?

Freshwater ecosystems such as rivers, lakes and wetlands are precious. They contain several-times more vertebrate species per unit area than land and ocean environments, and they are more degraded. Protected…
Zoos provide succor for species having a tough time of it in the wild. B. A. Minteer

Can zoos save the world?

Today, many zoos promote the protection of biodiversity as a significant part of their mission. As conservation “arks” for endangered species and, increasingly, as leaders in field conservation projects…

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