28.8.15

Living on an island


A question that I have found myself drawn to the last couple of years is how to create a world where there is room for both humans and nature. Living on an island automatically forces you to be more sustainable. Sustainability is not the focus of the research station, it is research, so some activities are by their nature unsustainable but some good practices are put into practice. In this post I'll give a brief description of life on this island.

The basics

Air, water and food. The basics. The air on the island is clean and speckled with stars at night so that's OK. Water can be troublesome on an island. There is plenty of salt water around, but fresh water can be scarce. Luckily this island has it's on freshwater aquifer (grondwater in Dutch). Water is pumped up and stored in large tanks uphill. This gives us the water pressure needed. We need to be careful when working with salt water at the station. If we spill too much it might pollute our freshwater supply, I was told.
Food definitely not a local supply. Every two weeks we have to order food online an this food is delivered by the supermarket to a barge, which takes two days to reach the Island. So by the time the food reaches our stomachs it has travelled quite a distance, with the carbon footprint that comes with it. The island is a national reserve so we are not allowed to catch fish close to the island and the station is not allowed to grow their own food, seriously limiting food self sufficiency.

Waste

Shipping waste off the island is expensive and the garbage is therefore separated. All non-meat food waste is composted, burnable materials are burned, recyclables as glass and some plastics are recycled and the remainder will be shipped out and ends up in a landfill. Since it is not allowed to grow food the compost gets buried. Human waste is collected in composting toilets and gets buried too. I know burying usable compost isn't optimal, but at least it feels good not to flush 10 litres of drinking water out every time you “go”.

Energy

Potentially you could use to bio-gas from the compost to cook food on to make some use of it at least. Right now we have gas bottles that fuel our stove. Heating water is not really an issue here since we are in the tropics. Each house is equipped with a solar hot water system and you can easily take a nice warm shower after you get out of the water. The ocean is about 24°C and even in a wetsuit it gets cold when you spend enough time in the water and a warm shower is really nice then.
A large proportion of the electricity is generated with solar power. There is a large photo voltaic solar system plus battery bank and the station runs on solar power during the day and a large part of the night. When the batteries run out a diesel powered generator takes over. The major energy consumers here are the sea water pumps. The aquaria on land are continuously supplied with clean running seawater. Pumping water is one of the most energy demanding things you can do, so a large proportion of the solar energy goes to keeping the seawater storage tanks topped up. The seawater tanks are placed about three meters above the ground so seawater can be gravity fed to the experiments.

Internet

Since I can post messages on our weblog you know I have internet on the island. However, internet is also limited. You either have mobile internet through your phone or you use the research stations' wifi. For both you need to pay and you'll only have access to internet at the station, 50 metres out it is gone again. For the wifi you buy 500 Mb access vouchers. I make sure that the pictures I post and send by email have been reduced in size, and I don't send movies. Furthermore, I have also closed down the automatic file synchronisation I had through dropbox since this would eat my 500 Mb rapidly.

Tides

The difference in water hight can be quite high, sometimes 2.5 meters between high and low tide, especially around full moon (spring tide). You have to plan your trips around the tide because you might not be able to get back to the moorings otherwhise.

Logistics

Before you can do any research at Lizard Island Research Station (LIRS) you have to have a permit from the Great Barrier Reef Marine Park Authority (GBRMPA). This takes a looong time, so you have to plan ahead. On the plane to the Island you can only take a maximum of 30 kg baggage, if you want to take more you need to ship it to the station beforehand. You can place orders at special companies in Cairns and they'll ship it to you, for an appropriate price... When you arrive at the island you have to sign a small pile of paperwork, which gets significantly higher if you go scuba diving. However, after a short (re)introduction to the maritime VHF radio, a check of your boating licence and boating test by the station you are free to go exploring! 

I am staying at a house called "Loomis"

The main building of the research station
The central corridor of the research station
The dive shed. The blue fins you see are mine :-)

The boat log.


15.8.15

Work in progress

One of my colleagues made some pictures during one of my experiments. I thought it would be fun to share these with you!

The white sheet I used to mask the reef showing that the starfish need to see the reef in order to find it.

Starfish tracks in the sand

Now where did I put my net?!

Vertical transport

Falling stars

Starfish on "the beach"

Herding my starfish to the start position for the experiment

13.8.15

Field work

Field work

Today I have been at Lizard Island for little over a week. I needed a bit of time, but I think this field work business is growing on me. I had a bit of a tough start with stranding myself on an island. On top of that I badly bruised on of my ribs, got sea sick on my boat when the waves where high and I have a hard time diving deeper than 3 meters since in one of my ears the pressure doesn't equalise well.

However, with good dose of determination and patience things are looking up now. I know my way around the reefs now. My troublesome ear clears more frequently now. Furthermore, people come and help me. The other scientist look out for starfish for me. Additionally, one of the volunteers has been with me on two occasions. Anchoring the boat is easy with two people, it feels safer to be with two people in the water and it is more fun. Next trip I need to take somebody with me. Volunteers?

Science

This morning I managed to do a key experiment. I blocked the view to the reef with a 1x3 meter white screen. With the screen the animals move away from the reef, without the screen they go straight for it. Again, I got some help from a diving colleague with setting up the screen so that was great.

I also managed to measure how dark, or bright, coral reefs would appear to crown-of-thorns starfish. I bought a special colour filter that allows me to measure this with my gopro camera and I made pictures at increasing distance to the reef to see when they would still be able to see the reefs.

Social

I live in a house which can house 9 people. Now I live there with an American PhD student, but in the beginning of the week we shared the house with two girls. They met each other on this project but appeared as if they had been friends for ages. One of the girls did yoga and was interested in permaculture, so we had a lot to talk about.
Next week a whole bunch of people will be arriving that work on vision. I know one of them really well! His name is Yakir and he did his PhD project in the same lab as me in Sweden. I am looking forward to seeing him again. It's a small world.

Next time I'll write a post on living on an island. Lots of things need to be done more sustainably here and some resources can be scarce. More later!

Driving back from a sampling trip. The resort in the background.

Transporting starfish under water, using a net

Spiny monster on the move

View from my house