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Issue 93 Out Now

Scotland Magazine Issue 93

In search of Atlantic oakwoods, the benefits of birdwatching and a history of Harry the Ninth

 
Fri 11 Jan 2013

Edinburgh Castle Boosts Green Credentials

Historic Scotland has announced that its drive to cut energy consumption from Edinburgh Castle, which plays a major part in the agency’s aim to reduce overall carbon emissions, is well ahead of target.

New figures show that the Castle, which attracts more than a million visitors every year and accounts for nearly a third of all Historic Scotland’s energy consumption, reduced its carbon footprint by 18 per cent in year 2011/12, compared to the baseline year. This exceeds the agency target of 10 per cent.

The cut also represents a major cost saving, with last year’s bill of £291,000 down from £400,000 in the baseline year of 2008/9. This drop of 27 per cent was achieved despite rising fuel costs, two colder than average winters, and increasing visitor numbers at the Castle.

At Historic Scotland, Head of Sustainability, Research and Technical Education Ewan Hyslop said: “This remarkable reduction has been achieved through a multi-faceted approach that involved upgrades to boilers, an improved building energy management system, enhanced lighting controls, and better insulation.

“We’ve also worked to increase staff awareness – simply closing doors and windows can make a huge difference, and involved other Castle users such as the Army, National Museums of Scotland, and catering staff.”

Energy use at Edinburgh Castle is sufficient to power around 300 homes, and savings at this site can have a significant impact on the agency’s overall consumption.

Ewan added: “We’ve recently installed new boilers, controls and pumps at Edinburgh Castle, and we’re just starting to see the benefits – analysis of year 2012/13 to date show we are on course for carbon reductions of 24 per cent against the baseline year.

“However, these cuts are very much our first steps. The real challenge will be maintaining them consistently, year-on-year, particularly in light of the more extreme weather we’ve been experiencing in recent years, which can have a dramatic effect on energy consumption.”

Energy use in the agency’s buildings accounts for nearly 90 per cent of total carbon emissions. Historic Scotland is also applying its expertise to cut carbon emissions at other sites around the country, including works depots and offices, and at its headquarters in Edinburgh.

Around a tenth of the agency’s carbon emissions derive from business travel and fuel consumption, and the processing of water and waste – factors which Historic Scotland is also acting to reduce.

The agency has set a carbon emissions reduction target of 25 per cent, to be achieved by 2015. Historic Scotland has published proposals for achieving this figure in its Carbon Management Plan, which was published in 2011.
 
Wed 09 Jan 2013

The Hebrides best kept secret â on BBCâs The One Show

This week, BBC’s The One Show has been showcasing the endangered killer whale population that inhabits waters off the west coast of the UK and Ireland. Mike Dilger experienced an amazing encounter with four of the nine killer whales left in this population. With group numbers so low, it is likely that this community will go extinct in our lifetime.

In collaboration with Dr. Andy Foote, the Irish Whale and Dolphin Group and many others, the Hebridean Whale and Dolphin Trust (HWDT) have found that of the group, four members are male and five are female. All individuals within the community interact with each other, although certain individuals are more regularly sighted together. As Mike mentioned on Tuesday evening, no live calves have been recorded since research began almost two decades ago, it is likely that the females are post-reproductive and due to their social isolation they are unlikely to recruit any killer whales from other populations. This means that the conservation status of this group is critical.

As sad as this is, the loss of this group has severe consequences, resulting in the loss of an evolutionary significant group of individuals. Through our research, we have discovered that this group is physically different to other killer whale populations in the North East Atlantic, suggesting separate ancestry, - they are bigger in size (by about a metre) and have different tooth wear. Furthermore, genetic analysis indicates that this group is more closely related to a group of Antarctic killer whales than those found in Atlantic waters.

Comparing the teeth in these killer whales to those in other populations suggests that this unique population is feeding exclusively on other cetaceans, such as harbour porpoises and minke whales (orca were reported surfacing either side of a minke whale in the Minch). On last night’s programme the remains of a harbour porpoise was shown floating in the water.

It was a phone call from HWDT that tipped the BBC film crew off and enabled them to locate the group. The public are encouraged to report their sightings of marine mammals via HWDT’s online sightings form on their website, http://www.hwdt.org, to contribute to our growing understanding of these magnificent creatures. Tonight we have been promised even more exciting footage, will this be the first ever predation shown on television by these individuals? Tune in!

There is still much to learn about the West Coast Community. Only with continued study can we better understand the only resident population found in British waters. Every year HWDT welcomes volunteers onboard their research yacht Silurian to assist with data collection from onboard. In fact, the same group of killer whales documented on the One Show were sighted from onboard Silurian in August 2012. These cetacean research surveys, alongside reports from the public and other organisations, have allowed for a better understanding of Hebridean cetaceans. If you would like to join HWDT onboard or would like to report a sighting please visit http://www.hwdt.org.