Ecology | South China Morning Post
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Ecology

Harlequin ladybird shows dangers of alien species as biological control

The harlequin has hit other ladybird species. Photo: SCMP

The harlequin ladybird was once a stalwart ally of greenhouse owners around the world. Native to Japan, Korea and other parts of eastern Asia, the bright red beetles were prized for their aphid-eating abilities - until they caused serious declines in other ladybird populations.

Monday, 27 May, 2013, 5:59am

Ecologists voice fears over planned housing in Tai Po

Ecologists voice fears over planned housing in Tai Po

The plan to build 267 three-storey houses met with opposition from green groups that said about five hectares of the site in She Shan Village in Lam Tsuen was buried under waste. They feared approval of the plan would encourage a "destroy first and build later" approach.

13 May 2013 - 5:24am

Mekong area as lost third of its forest cover since 1970s, WWF finds

Mekong River area has lost nearly one-third of its forests in the last 35 years. Photo: Reuters

Five Southeast Asian countries have lost nearly one-third of their forests in the last 35 years and could be left with less than a fifth of their original cover by 2030 - with devastating effects on wildlife and humans, a new report suggests.

5 May 2013 - 2:51am

New study reverses theory of chameleons' origins

Chameleons can not only catch bugs, but waves. Photo: AFP

Chameleons took to the waves to migrate from Africa to Madagascar about 65 million years ago, said a study published last week that seeks to resolve a roiling biological debate.

31 Mar 2013 - 1:06am

Volcano-induced die-off paved way for dinosaurs, study suggests

A massive volcanic event that tore apart a mega-continent more than 200 million years ago set the stage for dinosaurs to take over.

More than 200 million years ago, toothy crocodile-like creatures stalked a hot, dry mega-continent while squid-like mollusks with spiral shells drifted in the surrounding ocean. Then, in what passes for an instant in geologic time, they vanished - making way for the age of the dinosaurs.

24 Mar 2013 - 4:43am

Eco-friendly Japanese demolition scheme slashes dust and noise

Now you see it, now you don't in Tokyo's Akasaka district. Photos: TAISEI CORPORATION/SEIBU PROPERTIES

Passers-by in Tokyo's busy Akasaka district have started to notice something odd about a 40-floor hotel - it has shrunk to about half its original height. Slowly but surely, and with none of the explosions or dust normally associated with the demolition of skyscrapers, the hotel is being torn down.

1 Mar 2013 - 12:12pm

China faces largest ecological deficit ever, WWF report finds

China faces largest ecological deficit ever, WWF report finds

China is experiencing its largest ecological deficit ever - caused by decades of high economic growth and rapid urbanisation - as total emissions of carbon and other pollutants far exceed the capacity of its ecosystems, a new study says.

13 Dec 2012 - 7:21am 2 comments

Do policymakers recognise ecological value?

The coast along Lung Mei is home to some 200 marine and bird species. Photo: Felix Wong

Last week, the government formally gave the go-ahead for the development of a man-made beach at Lung Mei. The announcement caused quite a stir among green groups that are concerned with the risk to marine species in the area. The area is home to some 200 marine and bird species, including three fish species of conservation concern.

2 Nov 2012 - 3:56am

Green groups urge protection of Pak Sha O and its environs

Homes have been restored by expatriate families in the century-old village of Pak Sha O. Photo: David Wong

Hong Kong's best-conserved village - a century-old jewel set amid hills rich in natural life - is under threat.

Green groups warn that Pak Sha O, and the rich ecological web that surrounds it, faces destruction if the government doesn't act to stop development at the enclave in Sai Kung West Country Park.

24 Oct 2012 - 4:33pm

The nature of surging sales in luxury goods

Higher luxury-goods sales could indicate a brighter economic future for a country. Photo: Bloomberg

Despite the global economic crisis, sales of luxury goods are surging worldwide. Why? While marketing has contributed to the rise, the market's robust growth is actually rooted in biology.

19 Oct 2012 - 2:12am 1 comment

A bad week for ...

Toshimitsu Doi

15 Jul 2012 - 12:00am

Hainan forests in peril, report says

A quarter of Hainan island's natural forested areas have been lost in the past decade, according to a report released yesterday by environmental group Greenpeace.

23 Nov 2011 - 12:00am

Poor maintenance caused collapse

Poor maintenance was to blame for the collapse of a canopy in Tuen Mun that seriously injured a man and damaged several cars, a Buildings Department investigation has found.

But officials say they cannot prosecute anyone as neglecting maintenance is not an offence.

7 Oct 2011 - 12:00am

Endangered lorises in fight for survival

In February, Hong Kong student Cheng Ho-fun walked into a shopping centre in Bogor, Indonesia. He was approached by a man who wanted to show him something 'special'. The 29-year-old, who is studying film and television at the Hong Kong Academy for Performing Arts (APA), followed the man to a back street.

3 Oct 2011 - 12:00am

India

Directed by Meghan Shea and Michael Rogers and executive-produced by Trina Dingler-Ebert, the 30-minute short In the Spirit of Laxmi serves as a testimony to exactly how close a wild animal - a leopard, to be precise - can become with a human being.

26 Jun 2011 - 12:00am

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