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Read in: EnglishCymraeg
Did you know that the rainforest can glow in the dark? Or that it’s home to plants which were on the Earth before the dinosaurs?
If you go down to the woods today, you might be in for a big surprise!
Join us on a deep dive into temperate rainforests to find out some facts that might surprise you.
Read on for our most fun, fascinating and fantastical facts.
Often when we think about rare rainforest habitats, our minds are drawn to the tropical forests such as the Amazon rainforest in South America, or the Congo rainforest in Africa.
However, temperate rainforests are actually rarer than its tropical cousin.
This incredible habitat once covered up to 20% of the UK, however now it’s been reduced to less than 1% of the land area. In England, this means that only about 18,870 hectares remain. [2]
The remnants of the last rainforests are at risk still and face a number of threats including inappropriate grazing and browsing, pollution and invasive species – meaning protecting our rainforests is more important than ever before.
Temperate rainforests right here in the UK, are not only stunningly beautiful habitats – but also globally important ones. They are home to some of the rarest species on the planet, and in fact there are species in our forests that are found nowhere else on Earth.
These species include:
Temperate Rainforests have a vital role in improving air quality – filled with oxygen producing trees and plants. While it’s tricky to show data specifically for temperate rainforests, we know that UK woodlands, which include rainforests, drastically reduce air pollution.
In fact, in 2020, our woodlands removed 32,800 tonnes of PM10 (particles in the air with a diameter of 10 micrometers or less, which can cause health problems when inhaled), from the atmosphere. These include some vehicle emissions, dust and smoke. [4]
Like a portal to a time before humans – temperate rainforests contain a link to what the world was like when dinosaurs walked the earth!
These habitats are ancient ecosystems themselves – but some species that call this special place home are some of the oldest that exist today.
Found in our forests are ferns, mosses, liverworts and lichens that pre-date humans, flowers, trees and even dinosaurs! In fact mosses and liverworts are examples of ancient non-flowering plants that have been around for 400 million years.
OK, so the rainforest isn’t going to be all aglow like a scene from Avatar – but if you’re lucky, you might just see some of the glowing species that call the rainforest home.
Bioluminescence is a phenomenon where a living organism can produce and emit light. While biofluorescence is where organisms reflect a different colour than the one they absorbed. These processes can be seen in species of lichen, moss, fungi and even insects, that can be found in woodlands, including temperate rainforests in the UK.
Unfortunately, most of the species in the UK don’t produce enough light to see with the human eye.
One species found in UK woodlands is Honey Fungus Armillaria mellea, which is bioluminescent, and has glow in the dark gills! The glow from Honey Fungus is very weak however, and is usually too faint to be seen by the naked eye in a woodland environment. There’s also the rare Synarthonia astroidestera lichen. [5] [6]
Woodlands, including rainforests, keep a huge amount of air pollution out of our atmosphere. This pollution can be inhaled and enter our bodies causing health problems.
It’s estimated that the pollution our woodlands removed in 2020 could have caused health problems that would have cost the UK around £995 million in healthcare. [7]
According to the Office for National Statistics, these avoided health problems not only include respiratory and cardiovascular illnesses, but also deaths.
Therefore, UK woodlands, including temperate rainforests, have not only helped save us almost £1bn, but they’ve even saved lives!
Temperate rainforests play a crucial role in carbon sequestration. While it’s well known that trees store carbon, did you know that lichens, moss and even fungi found in our temperate rainforests can all help to lock carbon away. What’s more, these species can lock away extra carbon, on top of the carbon that the trees they live on store. This makes temperate rainforests some of the most efficient carbon stores. [8]
It’s not hard to understand how the mystical majesty of these stunning habitats has inspired humans over the years.
The mist settling over dense ferns in the early morning, dappling light streaming through the trees and being surrounded by song from countless birds, has certainly been a source for many creatives.
In fact, temperate rainforests have been a muse for poets, storytellers, artists and authors. One of the most famous examples is Wistman’s Woods on Dartmoor – which was said to have inspired Sir Arthur Conan Doyle’s setting for The Hound of the Baskervilles.
Our connection with temperate rainforests goes way back to our ancestors, who believed they were magical places.
There were many stories of fairies, witches, mythical beings and magical happenings.
In Scotland there are tales of the sprite, Ghillie Dhu who is said to be the guardian of the forest. [9]
While in Welsh mythology, there is the wizard Gwydion who features in the 12th century collection of tales, the Mabinogi, many of which are set in what we now call the rainforest. Gwydion’s name itself is actually believed to mean ‘born of trees’.
Temperate rainforests in the UK are not just home to a rich variety of plant and fungi life, they’re also buzzing with insects!
This thriving insect life can attract visitors from thousands of miles away. A number of birds fly all the way from Africa to nest and rear their young in our rainforests. Visiting birds to look out for include Wood Warblers, Redstarts and Pied Flycatchers. [10]
Read how 2 lichens were saved, from a tree infected with ash dieback, in a translocation rescue mission in the temperate rainforest.
An incredible story of returning one of England’s rarest lichens to its historic home – more than 350 miles away.
Rob Hodgson started learning about lichens in lockdown, as a complete beginner.
Exploring his hometown of Bristol, he learnt to love these amazing green plants, even bringing them into his work as an illustrator.
“Lichens are cool because they are everywhere. Once you notice them, you realise they are crazy, weird, colourful and interesting.”
Rob Hodgson started his lichen journey in lockdown as a complete beginner. Walking around Bristol one day, a lichen peaked his interest and from then on he was gripped by these secret miniature forests.
As an illustrator, Rob has created dynamic and lifelike lichen characters to help more people starting out.
We went to chat to Rob and join him on a lichen hunt.
“It was kind of my lockdown project and I just got interested one day, like what is this crazy thing. When I first started looking at lichens, you go online and there’s a million Latin names and I was just like, no this isn’t for me – I’m not a lichen expert. But once you learn the common names and you start to spot different ones, it gets easier. You don’t have to go anywhere far away, you can see these things just on the street. There’s one called chewing Chewing Gum lichen that you can see everywhere once you tune into it, just on the pavement.
“You do definitely notice if you go to the countryside, it’s like a lichen explosion. But I live in the centre of Bristol pretty much and there’s still lichens everywhere. On my doorstep, you see them on the pavements, you see them on walls and in my local parks there’s loads of lichens.
It’s a really good time of year to go lichen hunting [autumn/winter] and you don’t need any stuff. You can just go and as soon as you get out of the house you are on a lichen hunt – that’s as easy as it is. You just need to look on the floor, look in the tress and you’re good to go.
“The way I work things out sometimes is through my work. When I was looking at lichens, I thought how can I make this more interesting than all of these super technical, botanical drawings. I drew one, and then once you notice one, you notice another, and then all of sudden I had drawn 20 different lichens.
There was a lot of back and forth between going out and looking at lichens and going back and modifying them.
That was where I was coming from, trying to make them fun and accessible.”
Rob has made beautifully designed lichen characters including dust lichen, shield lichen and oak moss. Follow him on social media here.
Meg Griffiths
Ever wondered why we need to go out and count rare plants?
Meg Griffiths from the Plantlife Cymru team, reflects on a summer of lichen hunting and data collection for the Natur am Byth! Project.
Natur am Byth! is a cross-taxa partnership, which means many different organisations are working together to save a variety of species – from insects and plants to birds. This is important as when any species is lost from an ecosystem, it can make the whole ecosystem weaker and less able to cope with change, regardless of what kind of species it is.
One element the Natur am Byth programme focuses on is the mini-wonders of the Welsh Marches. The area has a rich diversity of mosses and liverworts, lichens, fungi and insects. These species all have one thing in common: they are generally pretty tiny. Many people just aren’t looking closely enough to spot them –and that’s what we want to change.
But before we can get started protecting rare species, we need to know where we’re currently at. ‘Baseline monitoring’ gives us a picture of how our target species, and the sites where they exist, are doing – we can then use this data to plan how we’ll manage those areas for nature. We can also track how these species recover in the future.
So, I went out to some very beautiful sites in Mid-Wales, hunting for some of the project target lichen species. This is what I found
Lichen hunting can be like looking for a needle in a haystack – except the needle is as small as a pinhead, and the haystack is a woodland.
I got rained on heavily, I got lost hunting for trees, I had to shoo away cattle who were trying to eat my notebook, and I spent far too long peering through my hand lens checking every gnarly nook and cranny for some of these miniscule marvels.
At times I felt like I was living in that miniature kingdom. I’d come across insects and die of fright thinking they were enormous, and I’d pull my eye away from the hand lens only to be dizzied by the astonishing complexity of the enormous world we occupy.
It has been a joy working to collect the data which can be used to demonstrate that the Natur am Byth project is having a positive impact and supporting these species.
Not only does the project have the potential to support these rare lichens with recovery, it also has the potential to change perceptions – magnifying the hidden worlds we overlook daily and showcasing the rare and special mini wonders that occupy them
The beautiful mountain plant, Rosy Saxifrage, has returned to the wild in Wales after becoming extinct in 1962.
Discover the gnarled woodlands on the wildest peaks in Wales, as Robbie Blackhall-Miles reveals the secrets of Eryri’s miniature but magical Juniper forests.
The Wild Leek has been a symbol of Wales for so long that its stories date back to St David himself.
The Natur am Byth partnership is Wales’ flagship Green Recovery project. It unites nine environmental charities with Natural Resources Wales (NRW) to deliver the country’s largest natural heritage and outreach programme to save species from extinction and reconnect people to nature. Thanks to players of the National Lottery over £4.1m from the Heritage Fund was awarded to the partnership in June 2023. NRW has contributed £1.7m and the Natur am Byth partners have secured a further £1.4m from Welsh Government, Arts Council of Wales and a number of charitable trusts, foundations and corporate donors. These include donations from the Esmée Fairbairn Foundation, and significant support from Welsh Government’s Landfill Disposals Tax Communities Scheme administered by Wales Council for Voluntary Action (WCVA).
Dave Lamacraft
Dave Lamacraft, Plantlife’s Lichen and Bryophyte Specialist, heads out to discover a wealth of extraordinary lichens which call Wales’ rainforests home.
I’m lucky enough to have worked in our temperate rainforests for well over a decade now, and although much of our recent work here at Plantlife has had a focus on rainforest areas of England, through our LOST project in the Lake District and the Building Resilience project in South-West England, both funded by the National Lottery Heritage Fund, I’ve had the opportunity to get out into some of our Welsh rainforest in past weeks and been reminded just how special they are.
The first of these visits was to the National Trust’s Dolmelynllyn estate at Ganllwyd to look at some transplants of Lungwort lichens that we undertook 5 years ago. This was initially an attempt to rescue these lichens from an old Ash tree that was literally clothed in Lungwort lichens, of three varieties, that blew down in a summer gale. Transplanting these big leafy species is relatively straightforward to do in practical terms but hard to get right, the skill is in finding the right niche and one that’s away from the chomping teeth of slugs.
Success is far from guaranteed, and the majority of these transplants had succumbed to slug browsing. There were some notable successes though, with this ‘lob scrob’ Lobarina scrobiculata thriving on a Sycamore, all the better as this is one of the rarer lungwort lichens in Wales. The area where this was transplanted has spectacular communities of lichens on old Ash, Oak and Sycamore trees, probably the best display of lungwort lichens in Wales with abundant Tree Lungwort Lobaria pulmonaria, Parchment Lichen Ricasolia amplissima, ‘Stinky Stictas’ Sticta fuliginosa and Sticta sylvatica and Blue Jelly-skin Leptogium cyanescens.
Another site visit took me to a remote woodland near Trawsfynydd where we’re helping Natural Resources Wales work out how best to manage this woodland. Although only a few miles up the road from Ganllwyd this is a very different woodland to Dolmelynllyn being at higher altitude and exposed to higher levels of rainfall this favours different communities of lichen and bryophyte with what could be considered our ‘cloud-forest’ lichens and a rich ‘hyperoceanic’ bryophyte flora including many rare species.
Image by Dave Lamacraft
This has also reminded me just how diverse our rainforest is, in the same that way that no two wetlands, estuaries or mountains are the same, no bit of temperate rainforest is the same. They all differ according to geology, topography, aspect, climate, history, management etc; our temperate rainforest in South-West England is quite different to that in Western Scotland, with Wales somewhere in between. They are especially influenced by ‘oceanicity’ – the degree to which proximity to the Atlantic influences climate – and broadly speaking they are drier and sunnier to the south and much wetter to the north.
This basically means that you’ll never see the same things twice and there’s a lifetime of exploration to be had. I’d urge anyone to grab a hand lens (by no means essential, but definitely helps appreciate the small things) and head out to explore.
Agricultural grasslands dominate Wales’ rural landscape. Finding ways to restore species-rich habitats to farms is a priority for Plantlife Cymru.
Chris Jones, the Warden of Kenfig National Nature Reserve, recently found the very rare fungus, during a routine survey.
Every day, our wild plants and fungi are put at risk from planning decisions, chemical sprays and more. Find out what you can do to help protect nature.
Erin Shott
Discover 4 new walk ideas and Scottish spring adventure inspiration from Plantlife Scotland’s Communications and Policy Officer, Erin Shott.
Look, the seasons, they are a-changing and I don’t know about you, but I am so looking forward to that sweet, sweet spring time weather. After the cold winter days and long winter nights, I am so ready to get out there and breathe in the freshness of spring.
I would highly recommend taking a visit to one of Scotland’s rainforests if you have the opportunity. The high rainfall, and mild temperatures result in lush mossy areas just bursting with lichens and bryophytes it really does feel like I’ve stepped into a fairy tale. And if that doesn’t attract your attention then you’ll be impressed with the sheer abundance, diversity, and rarity of the species of Scotland’s rainforest.
It won’t be my first visit to the temperate rainforest; however, I’ve visited Glen Nant in the past. Plantlife has a downloadable handy wild plant walk leaflet for the Glen Nant Important Plant Area (IPA), so it was a solid motivation for a visit for me.
But I hear you ask, what if I don’t want to visit a rainforest site? Looking for something short and located in the central belt?
Then download and check out North Berwick Law, our guide is for a nice 1 mile hike up one iconic hill in East Lothian. Plenty of opportunity to spot wild plants too, like Meadow Saxifrage Saxifraga granulata, this snow-white species is found in dry grasslands, or the hilariously named Cuckooflower Cardamine pratensis, due to its delicate purple flowers starting to bloom just as the cuckoo first begins its call.
If you’re the Munro bagging type, then check out the Ben Nevis IPA, a delightful 10-mile hike that is absolutely rich in Bog Asphodel Narthecium ossifragum a plant once used for its potential as a natural dye or the delightfully carnivorous Round-leaved Sundew Drosera rotundifolia (image by Michael Scott) which have long red-coloured stalks that are often seen with globules of ‘dew’ hanging from them. These globules are a polysaccharide solution to trap and digest their prey.
If you’re keen to spend a day out in the Cairngorms, take some time to discover Anagach woods IPA. Download your a free guide here. Soak in the wonders of the Caledonian pinewoods, maybe you’ll spot the rare and iconic Twinflower Linnaea borealis? This special plant is a focal point for our Cairngorms Rare Plants Project. You might also find some Wood sorrel Oxalis acetosella, with its clover-shaped leaves (that taste like apples), this springtime bloomer has delicate white flowers with lilac coloured veins.
You might have recently discovered that Britain is home to one of the rarest habitats in the world – the temperate rainforest. Characterised by ancient trees, hosting a rich diversity of important small-but-mighty plants, and of course drenched in our infamous British rain! But how would you know if you were walking among one of these mysterious woodlands?
Alison from Plantlife’s Building Resilience project visits a temperate rainforest in Dartmoor, dripping with lichens, mosses and liverworts, and a richness in diversity rivalling the cloud forest of the Andes. Watch our video to see what she finds, and discover why we need to take action to protect this precious fragment of our ancient woodlands for the future.
Take a look at the guides below and see how many rainforest indicators you can spot – maybe a huge long-lived Oak tree smothered in colourful lichens, or a meandering river carving it’s way though the woodlands.
The Lake District, south west England, western Scotland and Wales are all home to ‘temperate’ rainforest. Have a look around the wood you are in using this guide. The more ticks you collect in the white boxes, the more likely it is that your wood is a rainforest.
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