December Madness

Date January 6, 2010

tambja
The one of the cool things about Pulau Hantu is that its reefs can be enjoyed throughout the year, even during the monsoon. The end of the year is a busy time for Hantu’s waters because a lot of local divers, deprived of diving in other location in the South China Sea affected by the Northeast monsoon, plunge into our murky waters for a little bubble bath.
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To Save the Planet, Save the Seas

Date December 28, 2009

Image: Tamara Shopsin and Jason Fulford

December 26, 2009
The New York Times

For the many disappointments of the recent climate talks in Copenhagen, there was at least one clear positive outcome, and that was the progress made on a program called Reducing Emissions From Deforestation and Forest Degradation. Under this program, key elements of which were agreed on at Copenhagen, developing countries would be compensated for preserving forests, peat soils, swamps and fields that are efficient absorbers of carbon dioxide, the primary heat-trapping gas linked to global warming.
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Upclose and intricate on Hantu’s reef

Date December 20, 2009

Goby

Once again, Blog volunteer Jimmy Goh returns from a trip at Hantu Island with some fascinating macro insights into local seas. What a lovely perspective of these usually skittish animals! (Above: Ornate goby)
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Ocean acidification: the facts

Date December 17, 2009

The effects of ocean acidification on corals are particularly concerning since one quarter of all marine species depend on coral reefs for homes, nurseries, feeding grounds and spawning sites

Ocean acidification is the process caused by increasing man-made carbon dioxide emissions, by which the oceans are becoming more acidic.

When carbon dioxide enters the ocean, it combines with seawater to produce carbonic acid, which increases the acidity of the water.

Rising carbon dioxide emissions, primarily from the burning of fossil fuels for energy, has led to a 30 per cent rise in ocean acidity from pre-industrial levels, as measured by a fall of 0.1 units in the pH of ocean surface waters.

If carbon emissions growth continues at the current rate, the pH of ocean surface water will fall 0.2 units by 2050, lower than at any time in the last 20 million years. By the end of this century, the pH will have fallen 0.4 units from its natural level – close to a doubling of ocean acidity. The change is happening 100 times faster than at any time in the history of the planet.
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Ocean acidification to devastate commercial fisheries

Date December 17, 2009

Rising carbon emissions could hit fish stocks around the world

Previous studies have focused on the impact of acidification on coral reefs but not other marine organisms

Commercial fishing in the northern hemisphere will be devastated by rising carbon emissions, according to the first major study into the impact of ocean acidification.

A report by the marine NGO Oceana, presented to delegates at the Copenhagen Climate talks this week, has highlighted how higher acidity disrupts all marine organisms abilities to grow, reproduce and respire.

The worst affected countries, based on current fish catches, consumption, the importance of coral reefs and projected level of acidification in their coastal waters, are expected to be Japan, France and the UK. The United States and China are also expected to suffer.
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New Camera? Hantu’s got models for ya’!

Date December 6, 2009

Flatworm
This weekend, Hantu Blog volunteer Cindy Tan took her new underwater camera out for a familiarisation dive at Pulau Hantu. Testing new equipment couldn’t be more fun! There’s nothing like being able to share the stuff you’ve seen underwater with someone else who wasn’t there. And having a reliable piece of equipment makes all the difference! Some critters don’t give you much time to frame the shot and fire the trigger, so if a smart camera can do some of the technical stuff for you, it can be a great help! (Above: Marine flatworm)
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Blog Log: Nov 29, 2009

Date December 6, 2009

ceratosoma

Last Sunday, a full boat of veteran and brand new divers to local waters, took to the sea with the Hantu Blog dive guides. Despite the onset of the monsoons, the weathered stayed fair and sunny all through the day. Reportedly, the underwater visibility was also very accommodating, which made the first dive into Singapore waters for some first timers a little more comfortable! I might give a huge Thank You to volunteer dive instructor Jimmy Goh for once again sharing his experience of Pulau Hantu with us by taking the effort to take these wonderful photographs while guiding newbie divers (it’s a big effort!). Jimmy’s photos have been featured on the blog several times, and have received a lot of positive comment from our readers. So to his favour I have to admit that if you’re wondering why the pictures in this post look a little different from his pictures in earlier posts, it’s because he’s using my camera, which is an inferior model to his! (Above: Slender Ceratosoma nudibranch)
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Blog Log: 27 Nov 2009

Date December 6, 2009

cowrienudi2 nudi4 nudi5pipefish2

You won’t believe what Hantu Blog divers saw in and around Pulau Hantu recently! Blog volunteer dive instructor Jimmy Goh plunged into the very clear local waters twice this month. A surprise for this time of the year! Jimmy visited the islands of Hantu and Jong, which is just a few hundred meters away from Pulau Hantu. Armed only with a camera and a macro lens, and scouring the reef along with 20 other pairs of eyes, here’re just some of the gorgeous critters they spotted out on the reef! (Above from left: Allied cowrie on Whip coral, Chromodoris nudibranch, Bornella nudibranch, Tambja nudibranch, and Long snout pipefish aka. Stick pipefish)
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Hantu Island an experimental site for costal protection design

Date November 24, 2009

Designing innovative coastal protection using ecosystem-based approaches
By Peter Todd

IMG_9944

Increasing urbanisation in Singapore has resulted in extensive replacement of natural habitats with man-made habitats. A good example is the artificial seawall, that has becomes a ubiquitous feature of the coastline. Being vertically very steep, and structurally quite simple, this compressed intertidal region represents a very stressful habitat that does not support the kind of diversity expected at the seashore. One explanation for the paucity of life on seawalls is the absence of a wide range of microhabitats. The aim of this study is to test whether complex concrete tiles attached to seawalls can enhance their biodiversity. Understanding how to improve the value of seawalls as surrogates of natural habitats is important for intertidal biodiversity conservation on modified shorelines.
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Nature Conservancy Green Gift Guide

Date November 24, 2009

The Nature Conservancy has come up with a special list of things you can do during this gift-giving holiday season, that won’t cost the Earth!

nature conservancy green gift
Celebrate the joy of the season with Mother Nature herself by giving something back to the planet while sharing it with a loved one. It’s also something that’s different, unexpected, doesn’t come with wrapping paper, and that will last much more than just a day!

Put down a coral reef in Southeast Asia on your holiday shopping list this year!