Articles on Ecosystems

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Marine parks are good for fish - especially if they’re in the right areas. Epstock/Shutterstock

More fish, more fishing: why strategic marine park placement is a win-win

With strategic planning, the marine protected area network could be a third smaller, cost half as much, and still meet the international target of protecting 10% of every ecosystem.
Feral horses have severely damaged the landscape in Kosciuszko National Park. Travelstine

NSW election: where do the parties stand on brumby culling?

Feral horses are a clear point of division between parties in this weekend's election. Labor has pledged to repeal the Coalition government's bill to preserve large numbers of brumbies.
Eastern quolls have been introduced in Booderee Nation Park as part of a rewilding project. Oisin Sweeney

We can ‘rewild’ swathes of Australia by focusing on what makes it unique

Rewilding is gaining popularity around the world, as a means to restore ecosystems to their ancient state. But just like Vegemite, Australian rewilding projects need to have a unique flavour.
The West Moberly First Nation would like to see biodiversity-rich riparian areas in the Peace River Valley, in northeastern British Columbia protected. They will be destroyed by the Site C hydro dam, currently under construction. Garth Lenz

Protecting not-so-wild places helps biodiversity

Countries can protect biodiversity and recognize Indigenous peoples as conservation partners.
Scalloped hammerhead entangled in a Queensland shark control net at Magnetic Island, Townsville. Courtesy of Nicole McLachlan

Some sharks have declined by 92% in the past half-century off Queensland’s coast

Some media have reported shark numbers at 'plague proportions' in Australian waters. But a new analysis suggests the opposite: species such as hammerheads and white sharks have plummeted in number.
Opportunities to help drive the energy transition are everywhere - even in Western Australia’s remote salt pans. Peter C. Doherty

We have so many ways to pursue a healthy climate – it’s insane to wait any longer

Nobel Prizewinning health researcher Peter Doherty reflects on the challenge of delivering a healthy climate for the world. From hydrogen power to wooden skyscrapers, the options are endless, but all require leadership.
The dingo, Australia’s largest mammalian carnivore, has a broad diet that varies across the continent. Judy Dunlop

Dingo dinners: what’s on the menu for Australia’s top predator?

A survey of 32,000 samples of dingo droppings and stomach contents reveal that this predator's appetite is as wide-ranging as Australia's landscapes. But medium and large mammals are top of the menu.
Wetlands can have decades-long dry periods. Felicity Burke/The Conversation

Why a wetland might not be wet

Wetlands in Australia are often dry. They may look unassuming but it's a vital part of their vibrant lifecycle.

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