Tag Archives: Nature photography

Mimic clouds

Photo: Mike Alexander
Photo: Mike Alexander

Beach architecture

Photo: Mike Alexander
Photo: Mike Alexander

Marloes Sands

Photo: Mike Alexander
Photo: Mike Alexander

Seal Pups And Strife

Photo: Mike Alexander
Photo: Mike Alexander

The Atlantic Grey seals come ashore around our Pembrokeshire coast at this time of year to give birth to their pups.

Photo: Mike Alexander
Photo: Mike Alexander

The pups are white and fairly helpless at first.

Photo: Mike Alexander
Photo: Mike Alexander

The adults patrol the beaches and the mothers are understandably protective…

Photo: Mike Alexander
Photo: Mike Alexander

Usually tranquillity reigns but not always, sometimes there’s the odd disagreement….

Photo: Mike Alexander
Photo: Mike Alexander

I am so grateful to Mike Alexander for sharing these fabulous photographs with me, and you.

 

 

 

 

Dune

Photo: Mike Alexander
Photo: Mike Alexander

Inspirational Places – Cwm Idwal, Snowdonia National Park

Photo: Mike Alexander
Photo: Mike Alexander

Tranquillity….

Photo: Mike Alexander
Photo: Mike Alexander

Mike A would like me to share this with you and I’m only too happy to oblige.  Llyn Dinas in North Wales, a place we’re working to help look after.

Waterfalls Through the Seasons

Photo: Mike Alexander
Photo: Mike Alexander

I mentioned in my post “The Old Road to Nowhere” earlier this month that I would be doing more conservation management planning work at a magnificent place in North Wales this week, and so I have.  It’s a place called Dolmelynllyn (I can’t even begin to explain here how you should pronounce that, you need to hear it) and I wanted to share with you one of the best features of the estate – the magnificent Rhaeadr Ddu waterfalls (The Black Falls), and once again I am very lucky to have Mike Alexanders photographs for the purpose (the 2 Mikes work closely on a lot of these projects!).

Photo: Mike Alexander
Photo: Mike Alexander

The impressive falls have a drop of around 60 feet and take their name from the slab of black rock over which the water cascades.  They are surrounded by our version of a rain forest, the Atlantic Oakwoods.

Photo: Mike Alexander
Photo: Mike Alexander – Wilsons Filmy Fern

The relatively warm, wet microclimate has provided perfect conditions for some of the rarest ferns, mosses and lichens in the whole of the UK, making this an internationally important site for nature conservation.  The woods are also fabulous habitat for the relatively rare lesser horseshoe and brown long-eared bats.

Photo: Mike Alexander
Photo: Mike Alexander – Lichens growing on trees

The seasons bring changes to the waterfalls, from gentle, deeply relaxing summer flows to raging torrents in the heavy rains of autumn, to the occasional deep freeze of winter….

Photo: Mike Alexander
Photo: Mike Alexander
Photo: Mike Alexander
Photo: Mike Alexander
Photo: Mike Alexander
Photo: Mike Alexander

If you keep climbing up the winding path alongside the falls, and make your way up through the woodland, you eventually come up on top where you are rewarded with a wonderful view of the whole estate.

Photo: Mike Alexander
Photo: Mike Alexander

I hope that the work we are doing here will ensure that it remains intact and beautiful for thousands of people to enjoy into the future, and for the special wildlife to continue to thrive.

 

A 6000 year old submerged forest that reappears from time to time

Although it is rarely seen, the remnants of a past forested landscape, where there is now sea and beach, is a very interesting feature and teaches us about past sea level rise and our recent glacial history, and makes sense of some of the archaeological remains we find around our coastline in West Wales.

At the end of the last glaciation the sea level was much lower than it is today because so much water was still locked up in the ice sheets to the north of Britain.  As the climate warmed forests became established on land that had been tundra for thousands of years, and this forest extended far out beyond where sea level is today.  Gradually as temperatures rose, the sea ice to the south of the arctic circle melted and sea levels rose, submerging much of the coastal forests.

In some places this action was very rapid and sand covered and then preserved the remains.  After heavy storms and at very low tides, peat or the stumps of these forest trees may be seen at places along the Welsh coast, particularly, in Pembrokeshire, at Newgale and Freshwater West.

Photo: Mike Alexander
Photo: Mike Alexander – The remains of a Scots pine trunk on the beach

The remains of animals and Mesolithic tools have been found in these deposits.  These include an Auroch, which is an ancient cow and is the ancestor of all modern cows, a pig, a roe deer, a red deer antler and a brown bear jaw.

At Lydstep Haven, a pair of broken flint microliths were found by the neck vertebrae of a pig.  This pig may have been injured, but not caught by its Mesolithic hunters and subsequently died in the forest.  A tree trunk fell on its remains, preserving it, and the microliths in situ.  This find has been dated to about 6000 BC.

Geraldus Cambrensis (Gerald of Wales ) noted the uncovered submerged forest, during his tour of Wales in AD 1188.

‘We then passed over Newgale sands at which place a very remarkable circumstance occurred.  The sandy shores of south Wales laid bare by the extraordinary violence of a storm, the surface of the earth, which had been covered for many ages, reappeared, and discovered the trunk of trees cut off, standing in the very sea itself, the strokes of the hatchet appearing as if made only yesterday.  The soil was very black and the wood-like ebony.  This looked like a grove cut down, perhaps at the time of the deluge, or not long after.’

We cannot be sure whether the marks he saw were made by a stone axe.  It is certainly possible, since stone axes were in use before the forests were submerged between about 6000 and 5000 BC.

He made these observations 800 years ago and similar observations are the basis for medieval traditions about the Cantref Gwaelodd – ‘the lost lands of Wales.’

This is what the beautiful coastline looks like today….

Photo: Mike Alexander
Photo: Mike Alexander

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