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Langsdorff Trail

1 August 2016.

In 1805, Grigori von Langsdorff, a naturalist travelling with a Russian expedition, reached the island of Unalaska. Welcomed by the Unangan people that approached their ship in baidarkas (kayaks), Langsdorff and some of the crew crossed Beaver Inlet and reached the shore in Ugadaga Bay. Along the way, Langsdorff discovered two new plant species, and one of them would eventually spread as far as Scotland and New Zealand.

Today, we traced back the steps of Langsdorff in search of the plant he discovered 211 years ago: the yellow monkeyflower Mimulus guttatus.

As we descended into Ugadaga bay, the Aleutians gave us a spectacular and very rare welcome. A cloudless, bright blue sky highlighted the intense green of the vegetation. The green mountains were only interrupted occasionally by rock screes and a few snow patches resisting the summer.

In the narrow and steep gorge cut by the stream crossing the valley, we found the first monkeyflowers. A few scattered plants hanging on the banks, and blooming profusely with yellow fury. Finding this plants is the culmination of our National Geographic expedition to the Aleutians.

It was easy to be thrilled and moved realising that we had found Langsdorff’s plants and walked the same ancient trail that he took to reach the village of Iliuliuk two centuries before.

As we descended onto the pebble beach, we saw and collected more monkeyflowers. We sat on the beach and dipped our toes in a salmon river at the south end of the bay. The Alaskan sun shone unimpeded by clouds. As we watched salmon in the river and bald eagles soaring above us I imagined the sense of discovery that Langsdorff must have felt as he travelled through the Aleutians.


In the afternoon, we set camp in Morris Cove and talked and watched the sun set in a sea teaming with sea otters and Steller sea lions. At midnight, after the sky finally darkened, the salmon approach the beach, jumping in search of the fresh water creek.

 

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Exploring Unalaska

We started exploring Unalaska in the company of local naturalist Suzi Golodoff. Suzi knows plants and pretty much anything to do with Unalaska and her company made this first day of exploration both fun and extremely useful.

The day was overcast, and the clouds covered the mountain tops. After getting land use permits from the Unalaska Native Corporation we drove and hiked around the island. There is much to say about all the places and plants we saw, and little time to do it. So I will keep it short, and just explain it as captions to some photos.

The bottom line is that we have found Mimulus in Unalaska!

This plant is extremely common and occurs in a variety of habitats from rocky cliffs, to bogs, to hot springs.

There seems to be two main types of Mimulus, although we do not know for sure how much of this is genetic variation or the plastic response of plants to their local environments. All plants seem to be relatively large, robust, and clonal. The two types we have documented are, first, plants with red calyces (the usually green part of the flower that surrounds the yellow corolla) and with a faint red mark in the back of the petals at the tip, and, second, plants with green calyces, and no obvious red markings in the petal tips. There is no obvious separation in habitats between the two types, and the distinction may become blurred in some populations.

Unalaska has been fantastic to us. Full of monkeyflowers, and great plants. And also wonderful wildlife including whales, sea otters, bald eagles, foxes, ravens, puffins, salmon runs, king fishers, and many more.

The town of Unalaska is also extremely interesting. A certain type of marine wild west. A frontier town that feels like a recently established village, despite the fact that humans have lived here for 9,000 years.