From Christmas there wasn’t time to travel to the internetcafe on the mainland to update this blog because we preferred to do some extra experiments J instead of spending 2 day travelling. Now, I just arrived back home and I will give you a comprehensive update of the work of Sjoerd, Sarah and me the …
Author Archives: Marjolijn
Strange turtle sightings
We explored the southern islands of the Berau Archipelago, Bilangbilangan, Blambangan and Mataha in search of more foraging areas for the green turtle. In January 2010 National geographic Indonesia published a map + article on the green turtle in Berau. Turtle foundation is conserving the nesting beaches on these Islands and has posts on Bilangbilangan …
Happy Holidays!
Tropical underwater Christmas (tree) worms are greeting you to wish you happy holidays from East-Kalimantan. Unlike in The Netherlands, here is no snow, no party but we celibrate the fact that we reached our goal of catching 300 turtles, with some rice, fish and onde-onde (sticky sweet green things)! Cheers Marjolijn
Mayo tagged with Fastlock GPS
Udayana University (Denpasar, Indonesia) and the joint program WWF Berau, was so kind to provide one of their fastlock gps systems (Sirtrack) to track a green turtle from Derawan to study the movement on its foraging ground. Jaya Rata came all the way from Denpasar to Derawan to attach the Sirtrack transmitter. He has tagged a lot …
Tankap Bokok
The special thing about this research area (Derawan, Indonesia) is the high density of Green turtles (Bokok in bahasa Bajau, the local language). Last year we found 1 turtle per 30 square meters of seagrass. However on the different feeding grounds densities differ, possibly regulated by the availability of food, seagrass. In the last 2 …
Monitoring river input on seagrass
After 1 week of preparation the penyu team arrived at Derawan. Here Ibu Heldi invested my last payments in improving her place. Now it feels even more like home and our own research station even! In the week that my supervisors are here we revisited the seagrass meadows that they sampled in 2003. Sampling the …
The New Penyu Team
Yesterday I arrived in Jakarta and there we made our first group picture with our fresh t-shirts. This was also the presentation of the new penyu.nl logo (see below). Meet our new team. From left to right Sarah Engelhard, Sjoerd van der Zon, Jan Roelofs (Prof. RU), Wawan Kiswara, Arifin (LIPI Oceanography, Jakarta), me, Leon …
Sylt Seagrass Workshop
This Autumn our seagrass researchers team from Radboud university Nijmegen and NIOO Yerseke visited our seagrass collegues in the Wadden Sea Station Sylt Germany. Besides the presentations we had some wonderfull excursions to the seagrass in the bay behind the institute. And our hosts Harald and Ragnild Asmus also to took us out to dinner …
Dutch Seagrass Excursion
Last year Laura was working together with me in Indonesia for her MSc. Now she already harvested a mega-seagrass-experiment for her own Phd. research. After receiving al lot of positive sms from Laura, when I was in Indonesia, I was looking forward visiting her experiment in Viane. Wouter also showed us his research on seagrass …
Fieldwork with Wawan Derawan 2009
Derawan did not changed a lot since I left 10 months ago. This time Wawan and me came for only a few weeks to do 3 experiments on Derawan Island and to go to the other important Green turtle foraging grounds on Maratua (40km from Derawan) and Pulau Panjang (8 km from D). What did …