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Amgueddfa Cymru

Tachwedd 2011

Polychaete research in the Falklands by Teresa Darbyshire - Day 2

Postiwyd gan Peter Howlett ar 16 Tachwedd 2011

So, Freya and I tramped down to the local shore in our wellies and waterproof trousers earlier. The wind was whistling around us but was surprisingly not as cold as you might expect. I introduced Freya to the delights of attacking a shoreline with a large garden fork and then having to peer at the results as if you’ve lost a contact lens (photo 1). There is not a large tidal range here, less than 1.5m which for someone used to the 10m range of the Bristol Channel is tiny. Still we found a reasonable range of little worms, some excitingly large, others eye-strainingly small and did our best to keep them from breaking into several smaller pieces before we could get them back to the lab.

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We sampled 3 sites down the shore and, not surprisingly with such a small tidal range, found that the specimens varied little between samples and there was not a high diversity within those. That said, I have a nice collection just from today covering at least 12 different family groups and slightly more species. The most striking was a very stripy phyllodocid looking as if it had just escaped from jail (photo 2) and a terebellid with a fantastic ‘80s crimp to its gills (photo 3). Not the best photos I admit but I am hoping to access the camera microscope soon!

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Tomorrow will be a new site, hopefully with different animals to find. Luckily I havebeen given a landrover to use as I need to get around. I’m just about used to it now and have stopped hopping along when I set off!. 4x4’s are the only vehicles seen on the roads and I’m very grateful to the complete stranger who has entrusted me with this vehicle to use while he is away! People here are very friendly, nothing is locked and doors are left open. In paranoia, I did try to lock the landrover last night but found that the locks were so unused that I couldn’t get a key in them!

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Polychaete research in the Falklands by Teresa Darbyshire - Day 1

Postiwyd gan Peter Howlett ar 16 Tachwedd 2011

I'm a polychaete (marine bristleworms) taxonomist in the marine section of the Department of Biodiversity & Systematic Biology. I was awarded a grant by the Shackleton Fund to visit and conduct research in the Falkland Islands, so now I'm off to Stanley for the next month to collect and investigate the polychaete fauna of the Islands. I'll be collecting specimens by digging them up on the beachesand also by diving. It's nearly 100 years since scientists last looked at this group in the intertidal and shallow subtidal regions of the Islands and there is much potential for the discovery of new species.

Day 1

I can’t say I was looking forward to an 18 hour flight that much although it has to be said I had no idea what to expect flying on an RAF flight from Brize Norton. With dive kit in tow, I had a lot of baggage with me but this paled into insignificance next to the guys checking in from the BBC who faced a £4500 bill for excess baggage! The flight itself was fairly painless in the end taking off at 11pm and heading south through the night.

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Nine hours and not much sleep later we landed on Ascension Island for a 2 hour refuelling stop. The 23°C fresh air was welcome although the views were very bleak (photo 1). Another 8 hours and 2 films later we finally arrived at Mount Pleasant in bright sunshine and more warmth. Not what I was expecting and I didn’t pack that much in the way of light clothing!

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A long and dusty trip to Stanley showed a very windswept, rocky landscape dotted with sheep. After finding the flat I am staying in I also met Steve and Jude who I will be diving with later in the week. Jude then whisked me off for a quick tour of the local area including seeing my first penguin and a couple of beaches roped off due to mines!

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This morning I made it to the Fisheries department where I will be based. Built on a large floating pontoon (photo 2) with a very disconcerting set of steps up to it (photo 3) everyone I met was very helpful and friendly and I’m looking forward to viewing my first group of worms in the lab there! Low tide is at 3pm this afternoon so I will be out with my fork and bucket beginning my investigations very shortly. I will also have the help of Freya a local volunteer and biology graduate who is keen get involved and see what we can find! 

Teresa Darbyshire

Excavation of Roman Armour from Caerleon

Postiwyd gan Penny Hill ar 15 Tachwedd 2011

The large block of armour was initially far too heavy to lift in one piece, so we had to split it into three. Julia has been working on the largest section (see previous blog) and I’m now excavating one of the smaller blocks.

At first glance this second block contains a number of interesting objects. A piece of bronze sheet with a cast head, a plain bronze disc, scale armour, a selection of iron objects (not yet identified) and something composed of rows of overlapping flat headed pins, similar in appearance to drawing pins. At this stage it’s difficult to tell if these objects are associated or not.

The most striking object in the block is the cluster of overlapping disc headed pins that have been laid down in rows and imitate scale. When new and brightly polished the copper alloy discs would have shimmered and caught the light. They are now very fragile, little metal remains and their shape is preserved by the green copper corrosion products. Retrieval and conservation is going to be fun and probably age me about 10 years!

The pins were once attached to a backing, probably made of leather which would have been flexible and allowed movement. This has now perished, leaving a black stain in the soil. I’ve kept samples so we can have a closer look at this later. However, the thickness of the backing material can be established by measuring the distance between the head and the bend in the pin.

Now the backing has gone, the soil is the only thing keeping the pins together. It’s going to be a challenge lifting them and preserving the pins original association. This is vital though as it might help identify this mysterious object .

In a time before modern mechanisation it is hard to work out how the Romans managed to make such small and perfectly formed little pins. A closer look down the microscope reveals interesting manufacturing marks but doesn’t really help with the intriguing question, how did they make them? On closer inspection different types of pins have been used, some are domed, some flat and there are also slightly larger studs, which may indicate that the pins were possibly laid in a pattern. I've put a few pictures up just in case anyone has seen an object like this before or fancies a challenge and work out how these little disc headed pins could have been made?

Blog adar

Postiwyd gan Danielle Cowell ar 11 Tachwedd 2011

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Coch y Berllan Benyw yn bwydo yn ein coedwigoedd heddiw. Dewch i weld yn ein cuddfan adar www.amgueddfacymru.ac.uk/cy/coedwig/neu gwyliwch nhw o'ch gartref www.amgueddfacymru.ac.uk/coedwig/gwylltgamerau/

Mae'r cofnodion tywydd yn dod i mewn!

Postiwyd gan Danielle Cowell ar 11 Tachwedd 2011

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Ysgol Fullwod & Cadley, Sir Gaerhirfryn.

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Adroddiad Tywydd gan Ysgol Bishop Childs

Mae llawer o ysgolion wedi anfon eu cofnodion tywydd yn barod! Hwn yw'r ail wythnos o gofnodi ac mae disgyblion yn brysur dysgu i gadw cofnodion tymheredd a glawiad ac yn anfon eu data.

Os byddwch yn anfon eich data mewn, gall ysgolion eraill i'w weld a chymharu. Gwelwch y llun i weld yr adroddiadau tywydd, wrth Ysgol Bishop Childs - gallwch ei weld ar y wefan hefyd drwy ddilyn y ddolen hon http://www.museumwales.ac.uk/cy/2968

Mae rhai ysgolion wedi sefydlu blogiau eu hunain am y prosiect. Gweler y blog gwych hyn gan Ysgol Fulwood a Cadley: http://www.fulwood-cadley.lancsngfl.ac.uk/index.php?category_id=529

Dilynwch fi ar Twitter https://twitter.com/ #! / Professor_Plant

Daliwch ati gyda'r gwaith da Ffrindiau Gwyrdd!

Yr Athro'r Ardd





Gweithdy Crefftau Helyg yn y Ty Gwyrdd

Postiwyd gan Lowri Griffiths ar 9 Tachwedd 2011

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Amrywiaeth o helyg

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Amrywiaeth o crefftau Nadolig wedi eu gwneud o helyg

Heddiw mae Ty Gwyrdd wedi bod yn gartref i weithdy creadigol iawn!

Gweithdy yn benodol i athrawon oedd hon, yn cynnig y cyfle iddynt i ddysgu sut i fynd ati i greu crefftau Nadolig o helyg.

Heddiw mae'r grwp wedi bod yn brysur iawn yn creu! Yn amlwg , roedd pawb yn falch iawn yn gadael gyda'u torchau, ser, coed bach i gyd wedi'u gwneud o helyg! Dwi'n siwr bydd sawl ysgol yn mynd ati i ail-greu y crefftau hyn dros cyfnod yn arwain at y Nadolig.

Trefnwyd y gweithdy gan Out to Learn Willow.

O bryd i'w gilydd, mae modd llogi Ty Gwyrdd fel gofod i gynnal gweithdai tebyg i hyn. Mae gofyn profi bod eich gweithdy yn hyrwyddo cynaliadwyedd ac yn un di-elw.

Os am rhagor o fanylion cysylltwch drwy Adran Addysg yma yn Sain Ffagan.

Diolch.

Diwrnod Byw yn Wyrdd!

Postiwyd gan Lowri Griffiths ar 8 Tachwedd 2011

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Wele! Y Goeden Byw yn Wyrdd yn llawn addewidion gwyrdd.

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Mae Joanna a Stepahnie am fyw yn wyrdd!

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Mae James yn fachgen gwyrdd iawn ac wedi cytuno gwisgo siwmper cynnes yn amlach i gadw'n gynnes.

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Deilen Betsan - i newid bylbiau'r ty i rhai ynni isel.

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Helo! Dydd Sadwrn, Tachwedd 5ed cynhaliwyd digwyddiad ‘Byw yn Wyrdd’ yn y T? Gwyrdd.

 

Bwriad ‘Byw yn Wyrdd’ yw cynnig syniadau hawdd a syml ar sut i arbed ynni ac ar yr un pryd arbed arian! O gerdded i’r ysgol, gosod plwg mewn sinc pan yn ymolchi, diffodd y golau pan yn gadael yr ystafell a llawer mwy. Mae hyn mor hawdd a syml!

Am ragor o syniadau syrffiwch draw i'r linc canlynol:: http://tiny.cc/w4iqr

 

Roedd gofyn i ymwelwyr 'Byw yn Wyrdd' ddewis un weithgaredd newydd sbon a chadw ati ar ôl dychwelyd adref.

 

Er mwyn gwneud yn siwr bod pawb yn cadw at eu haddewidion newydd roedd gofyn i bawb eu hysgrifennu ar ddeilen ac yna glynu’r ddeilen ar goeden ‘Byw yn Wyrdd!’

Cyn pen dim roedd y goeden yn llawn addewidion gwyrdd ac yn amrywio o gerdded i’r ysgol, i wisgo siwmper i gadw’n gynnes. Gwych!

 

Mae’n werth crybwyll bod ambell un wedi bachu ar y cyfle i droi’n wyrdd (yn llythrennol) wrth daflyd boa plu gwyrdd a sbectol sgleiniog T? Gwyrdd amdanynt! Am gyfnod roedd hi’n debycach i sesiwn swreal Strictly Come Dancing! Dwi’n amau mai dyna’r tro cyntaf i lechi caled llawr T? Gwyrdd weld camau y tango! Go dda!

 

Diolch yn fawr i bawb ddaeth draw….digwyddiad nesaf T? Gwyrdd yw ‘Nadolig Cynaliadwy’ ar Rhagfyr 3ydd. Cyngor ar sut i wneud eich Nadolig chi yn un gwyrdd a throi eich llaw at wneud eich haddurniadau eichhunan. Os oes ganddoch chi syniadau ar sut i ddathlu’r Nadolig mewn modd cynaliadwy – gallwch drydaru eich syniadau i’r cyfeiriad canlynol:

www.twitter.com/tygwyrdd

 

Diolch yn fawr,

T? Gwyrdd

Saith mil o fylbiau

Postiwyd gan Danielle Cowell ar 3 Tachwedd 2011

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Harwell Primary School.

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Sherwood Primary School

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Plannu yn Ysgol Stanford in the Vale. Mae'r bylbiau hyn yn cael eu plannu yn y ddaear yn hytrach nag yn y potiau gan mai dyma arbrawf ychwanegol a ariennir gan yr Ymddiriedolaeth Edina.http://www.edinatrust.org.uk/ETBulbProject.html

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Yn ystod y pythefnos diwethaf mae gwyddonwyr ifanc ar draws y DU wedi plannu saith mil o fylbiau er mwyn helpu ni ddeall newid yn yr hinsawdd!

Rwyf wedi cael llawer o adroddiadau gan athrawon yn dweud bod eu disgyblion yn edrych ymlaen at ddechrau cadw cofnodion tywydd i helpu gyda'r ymchwiliad hwn pwysig.

Hoffwn ddymuno pob un o'r disgyblion yn dda gyda'u gadw cofnodion ac dwi methu aros i weld y cofnodion tywydd cyntaf yn ymddangos ar ein tudalennau gwe ar dydd Gwener! Defnyddiwch y cysylltiadau canlynol i'ch helpu i gofnodi. Cadw cyfnodion tywydd a Beth i'w gofnodi a phryd.

Peidiwch ag anghofio i danfon unrhyw luniau sydd gennych i fi.

Cwestiwn yr wythnos: Hyd yn hyn mae'r hydref hwn wedi bod yn un cynnes iawn. Roedd yr mis Hydref yma yr wythfed cynhesaf yn y 100 mlynedd diwethaf! Ydych chi'n meddwl y bydd Tachwedd aros yn gynnes neu'n oer droi? Ydych chi'n meddwl y gallai eira? Pa dywydd hoffech i ni ei gael? Gadewch eich sylwadau isod.

Diolch

Athro'r Ardd



 

 
 
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