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Field work with Nature Live

4 Posts tagged with the schools tag
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Today started dull and overcast - grey and gloomy - but we weren’t going to let the weather get us down because this morning we did our first, live video conference from the field with schools. Students from all over the country get to talk with our scientists and ask questions about what they are doing here in the Isles of Scilly.

 

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Tom chatting to Mark during a video conference with students at a primary school.

 

In the first VC, primary school students got to meet Mark Spencer, the botanist of the group and team leader, and Jon Ablett, Curator of Molluscs. Mark did a small tour of the wild flowers we can find here, explaining that the Isles are located at a crossroads between Mediterranean plants and northern ones.

 

The relatively mild climate of the islands mean that plants that are usually more typical of Mediterranean countries find a home here, while for other species, the Isles mark their southern-most limit. It’s an overlapping landscape, which is a delight for us to experience, and a joy for the many species of insects and birds who pollinate these plants.

 

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Museum scientists taking in the beautiful scenery, while Holger Thues (far left) is distracted by a rock covered in lichen!

 

Jon Ablett showed some of his slugs and talked about innovative ways of preserving specimens for the Museum’s collection, while the white vapours of liquid nitrogen made Mark and Tom (who was hosting the event) feel even more cold. Jon is looking mainly for land snails, but will also try to fish for some octopus and squid as we are not sure which species live in these waters. Keep an eye on this blog to find out what he discovers!

 

The secondary school students had the chance to meet lichen curator Holger Thues. Holger explained that lichens are composite organisms (comparable to corals), meaning they are a combination of a fungus and an algae living side-by-side in a symbiotic relationship (i.e. they both benefit from one another). Lichens are incredibly important indicators of the environment around them and are often used to study changes in the atmosphere and air pollution.

 

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Orange lichen on a rock, but how did it get its nutrients?

 

The orange lichen in the photo above only exists in places with high levels of nutrients, you will see them near the sea where the wind itself is loaded with nutrients. However, if you see them on a rock in land, wait and with time you’re more than likely to see a bird arrive ...  you’ll soon find out how the nutrients arrived there!

 

Thanks to all the schools for their many questions during the video conferences, it was great to speak to you all!

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Today we invited the local school children to SWIMS (Spanish Wells Institute of Marine Science, remember!) to have a look at what we have been up to. They really enjoyed sieving for worms in the sand but I think they thought we were all crazy for wearing summer clothes in March!

 

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Above: Diva and Leigh leading a sieving workshop on the beach

 

While we were sieving with the pupils we came across a tiger shark tooth. Yet more evidence that they are abundant in these waters ... but we still haven’t managed to actually see one on this field trip!

 

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Above: More evidence of sharks - but still no sighting

 

After the schools children left the team got back to work looking at samples under the microscopes. The big question on everyone’s lips was whether the goat skull we found yesterday had any Osedax on it.

 

The scientists spent a long time studying the skull and debating the findings. They can see tubes on the skull that belong to a worm but that doesn’t necessarily have to be Osedax.

 

Adrian is not convinced that it’s Osedax at all. He believes they may have found another polychaete worm from the family Terebellidae.

 

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Above: Terebellidae found on the goat skull

 

However, if it is Terebellidae then it shouldn’t be living on a goat skull. Usually they live in limestone crevices but the goat skull may be close enough for it to call home. Basically you can see how sometimes discoveries can create more questions than answers! I don’t think we are going to get a conclusive answer before we get back to the Museum.

 

We only have one day left here in the Bahamas but here are some of the great pieces of footage that REX has shot over the last week.

This is the moment that REX went over the Grand Bahaman Canyon that goes down to 3,000m …

 

 

For me, some of the most amazing footage we have seen was when REX went through the purple bacteria in Ocean Hole. Also, look out for when REX meets the goat skull…

 

 

Tonight is our last night in the Bahamas. We’re saying goodbye in an appropriate manner – a drink on the beach at sunset!

 

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Above: Our last sunset in the Bahamas

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Last night we got A LOT of rain. Bizarrely, it made all the frogs come out and they were so loud they kept us up most of the night!

 

 

We woke up bright and early (this is becoming the norm now!) and the sun was there to greet us. But alas, so was the wind. We set up a mock Attenborough Studio right on the beach – complete with chairs, coffee table and an audience! And after a few technical glitches, we video-linked live to London and spoke to Nature Live host Natalie and Professor Geoff Boxshall. Great fun and Geoff even put in a request for some specimens so we’ll be heading to the other side of the island later in the week to collect some copepods for him.

 

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Above: It's the first time I've ever done a Nature Live barefoot!
(Click images to see them full size)

 

Diva and I also live-chatted with some schools online – Bowhunt, Wigmore, Elmshurst and Ashcroft – who asked some great questions! We’re looking forward to the next session on Tuesday.

 

Helena and Diva showed how diligent they were; while the sun was shining they were hunched over their microscopes looking for new species. Extra credit for them!

 

 

 

 

After lunch we all headed out to the sea grass beds to see what we could find.

 

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Above: No Photoshop required!

 

This is an area of shallow sea grass that becomes visible at low tide and is home to an array of marine life. I was warned to wear shoes as the sea grass beds are teeming with lionfish - very dangerous. Nick, who grew up on the island, told me that they’re an invasive species, originally from the Indo-Pacific. The reason they’re so dangerous to fish in these waters is that some of the fish don’t actually recognise them as predators and there’s nothing around that predates them.

 

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Above: Beautiful, but beware of lionfish...

 

During our beach bioblitz we found anemones, sea squirts, conch shells, sea urchins…and 2 lionfish!

 

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Above: Leigh is beaming after finding her first conch!

 

The good news is that the weather is improving so we're going on the boat tomorrow! Hopefully we’ll find the whale bones and some Osedax!

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Today I had a meeting with the INBIO education department - they are doing some amazing things over here and I’m really looking forward to working with them in the future!

 

INBIO parque is a great place to visit - a botanical garden designed to reflect the whole (enormous) biodiversity of Costa Rica.

 

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(Click images to see them full size)

 

They also have some really cool animals living in the parque – I saw this iguana crossing the car park!

 

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Over the past few weeks we have received some great questions from schools all over the UK, which hopefully we have answered! We received the following early on:

 

Hello everyone,

 

We are from a School in Camden, London. We have been working with Holger Thüs on an exciting project on air quality and lichen distribution in our local area. With help from Holger and Pat Wolseley from the Natural History Museum, we surveyed lichens growing on trees in the school grounds and adjacent Hampstead Heath.

 

We wanted to investigate the relationship between differences in air quality, particularly the levels of NO2 and the lichen species found. We monitored NO2 over 5 months with diffusion tubes placed along a transect either side of Highgate Road, which is a busy road and likely to be a major source of nitrogen pollution, and included locations in the school grounds and on Hampstead Heath.

 

We identified the lichens on trees within the vicinity of the school and on the adjacent Hampstead Heath. We tested and found evidence for our hypothesis that there was a correlation between the levels of nitrogen dioxide in the diffusion tubes and biological data from the lichens distribution.

 

Although, we managed to find and identify Nitrogen loving and intermediate lichen but we didn’t find any Nitrogen sensitive lichens. We are really excited about Holger being in Costa Rica and want to know if Holger has found Nitrogen sensitive lichens there. Are there many fructose lichens? Did you find any new species of lichens? Are the lichens really colourful and exotic?

 

We initially thought the NHM team was going to be somewhere really lovely and hot but Holger told us that although it would be lovely it would be very cold because they would be up in the mountains. The air must be very clean. We really want to know about the lichens there.

 

Good Luck with the rest of the trip.

 

LSU

 

 

And today we had a chance to answer in detail…

 

 

Back at INBIO I have been flicking through the photos I (and the others) took while in the park. It seems a common theme amongst my photos is food. Pictures of all of the meals I ate in the field - I can practically hear myself salivating over the camera. I’ve put them together in a film. Bon appetite!

 

 

 

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Note: Tom is currently on his way back to the UK, so I am posting his final blogs from Costa Rica on his behalf.
Jonathan - NaturePlus host