“Did you pick the destination of our weekend away for this?”, asked T when I emerged from behind a river… Read more: SECRETS IN THE SAND

An autumn walk in the woods near Oslo. Two large birds of prey (I couldn’t spot which ones), many little… Read more: ØSTMARKA

A cabin trip to Blomstrandhalvoya. Or maybe “halv”oya. Since we know now due to glacier recession that it is not… Read more: BLOMSTRAND

We were lucky to get dropped off by the Hanna Resvoll (one of the boats of UNIS) in the middle… Read more: COLES BAY

Fragments from fieldwork on Svalbard, summer 2025. I felt truly blessed to experience my fourth summer campaign on the archipelago,… Read more: FIELD SEASON FRAGMENTS

This year my tundra fieldwork started during the so-called “slush season”. Too much snow for easy hiking and frolicking among… Read more: THE TUNDRA AWAKENS

One of my favourite places in Reykjavík is the old cemetary called Hólavallagarður. Romantic and sad, eerie and cute at… Read more: CEMETARY

I have been feeling a rising inner conflict between investigating and sharing the beauty of the High North, and the… Read more: THREE PEAKS

I’ve been to the Arctic a few times in winter, but not by far as often as I’ve been there… Read more: FRONTIERS

Just like the previous summer, I got to join a boat trip in Kongsfjorden with the crew of the Dutch… Read more: Glaciers & Islands

Joining a team of botanists and ecologists on a boat trip. To check out potential new fieldwork locations, but mostly… Read more: Sassendalen

We say that true ecologists are never on holiday, we just do “voluntary fieldwork”. This was a bit true when… Read more: Kapp Linnee

The start of the fieldwork season on Svalbard. It was the second half of May, and although the snow had… Read more: Spring Comes

A hike to Nordenskiöldtoppen and a bit further to Teltberget and Dryadebreen. We did not make it as far as… Read more: World of Stone

“Nothing’s open on the island right now”, the staff at the ferry station in Stykkishólmur warned us. That was perfectly… Read more: Flatey

Even in February there are nice things to see for plant ecologists in Iceland, as long as you don’t mind… Read more: Winter Flora

My Icelandic family has a summer cabin. If you’re willing to plough through the snow, it can of course also… Read more: Sled Skills

There is something very magical about frozen waterfalls. They are amazingly blue compared to other forms of snow and ice… Read more: Frozen Falls

We were not too lucky during my two week vacation in Iceland last winter. A broken car, slushy days and… Read more: Winter walks

I love underdogs. For us plant ecologists, the more cryptic species groups, plant families that are hard to distinguish, or… Read more: Underdogs

The Svalbard tundra seems bare and greyish as it emerges from under the snow in early summer. But one by… Read more: Arctic Flora

During my fieldwork visit to Ny-Alesund I got to join Maarten Loonen, Mo Verhoeven and their team on a boat… Read more: Chasing Geese on Storholmen

Was it the bustling international community of researchers that made my visit to Ny-Alesund so wonderful, or was it just… Read more: Ny-Alesund

I will admit immediately that I am not a good wildlife photographer, but sometimes I try.. A selection of many… Read more: Polar Creatures

This fieldwork campaign on Svalbard in the summer of 2023 was perhaps my most significant Arctic research trip so far.… Read more: A Season on Svalbard

What if we stop thinking of biodiversity decline and extinction as yes/no, linear and additive things? Between all those living… Read more: Unraveling I

The lack of daylight on Svalbard in January and the beginning of February forced me to get creative with very… Read more: Polar night photography

Driving up the Westfjords in the Strandir region took us past amazing coasts, abandoned herring fishing towns and the most… Read more: Strandir

On our way to the Kytalyk field station for tundra fieldwork in 2018 and 2019 we stopped in Chokurdakh to… Read more: Chokurdakh

On a snow scooter trip through Adventdalen and Helvetiadalen for the UNIS course in Climate Change Biology 2022. This part… Read more: Weird Water

The place looks just like an abandoned Wes Anderson film set, with its faded nostalgic luxury and pastel colours. Pyramiden… Read more: Pyramiden

I’ve never had so many good opportunities to shoot auroras as during my 5-week course on Svalbard in winter 2022.

The place I have done most of my Arctic fieldwork, the Kytalyk reserve. It takes two regular planes (Netherlands to… Read more: Around Kytalyk

In February the daylight had returned to a sufficient extent that we could hike from Longyearbyen to Bjørndalen on Svalbard.… Read more: Twilight Hike

In my world fieldwork is most of all work. A lot of it. When you work in remote or faraway… Read more: Svalbard Summer Fieldwork

Photos from a trip around the Icelandic Westfjords

Catching the beautiful aurora borealis on camera is a fun game. I usually use a tripod, very slow shutter speed… Read more: Catching Auroras

De Hondsrug area is a great place to hunt for traces of the past in the landscape. This long ridge… Read more: De Hondsrug

I think I must have been 10 or so when I first visited Þórsmörk, an area of mountain ridges and… Read more: Revisiting Þórsmörk

My entire youth we had a caravan on a campsite on the Veluwe (Netherlands). We lived in a city, but… Read more: Veluwe

Probably the best way to get around Svalbard in summer; by boat. On the way to Pyramiden and back.

I don’t really enjoy driving so much. Unless it’s like this. Just me and the terrain, crossing rivers, no traffic.… Read more: Driving Sprengisandur

There is something very exciting about hiking in salt marshes. You have to time your journey with the tides and… Read more: Tides

Seeing a volcano erupt is a true once in a lifetime opportunity. Actually seeing it, on the cloudy and often… Read more: Raw Earth Power

In skies that contain many ice crystals, sunlight gets refracted, and the sun shows a halo. Slightly rarer are “sun… Read more: Sun and Moon Halo’s

A tiny fishing village in the north of Iceland, once home to a large herring processing industry.

Throughout the Netherlands there are traces in the landscape of former ice ages and times when the Netherlands was a… Read more: Traces of Glacial Past

It was a very rainy and misty period in summer on the Snæfellsnes peninsula in Iceland, which made every picture… Read more: Snæfellsnes

The Wadden Islands are among the most beautiful places in the Netherlands. Especially in early summer when all plant life… Read more: Sometimes life’s a beach

A bizarre thing about Svalbard, or at least the areas surrounding the settlements, is the constant reminder of the coal… Read more: Fossil relics

I don’t take photos of people that much (or pose for photos myself). But I really enjoy it, I should… Read more: People

A two-day hike in the Netherlands across the Kampina and Oisterwijkse Bossen. Sometimes you need to wander for a few… Read more: Kampina

My father is renovating an old shop in the harbour of Raufarhöfn in the north-east of Iceland, to become a… Read more: Faraway Village

Parts of a trip from the south coast to the east of Iceland, and onwards to Mývatn. Includes the most… Read more: Scenic pit stop

Remnants of an old WW-II naval base in Hvalfjörður, Iceland

in November cold air suddenly struck the northern parts of the Netherlands, where I was staying at the beautiful Maanhoeve… Read more: Shutting up for a weekend

My father’s side of the family (the Icelandic side) owns a small cottage up a mountain valley. The cottage has… Read more: Summer house

Photos from a trip to Japan in 2019, after visiting Hokkaido University in Sapporo.