Monday, May 30, 2011

Thank you Jonathan!!



Jonathan Perez-Rivera left Gabon last night after spending the past 4 months working with orphan calf Victor and training his Gabonese caretakers. Victor is now steadily gaining weight and we're learning valuable new information about the growth of West African manatees through the data Jonathan carefully collected. We hope he can return to Gabon to continue working with Victor once he finishes his Masters degree in Puerto Rico. He has done a fantastic job and I'm very impressed with his efforts despite very remote and rustic field conditions.


Jonathan and I met up in Libreville this past weekend and spent both days discussing Victor's present and future, as well as other possible future work he might do for manatees in Africa. And of course we had time for a farewell beer at the Tropicana before he flew home on Sunday night! Cheers and safe travels Jonathan!

Tuesday, May 24, 2011

News for the week of May 23, 2011

A new online article about my manatee work in Senegal was posted yesterday and they used some of my photos... click here to read it!

I arrived back in Libreville, Gabon late last night after a 42 hour journey from Florida. All 190 lbs of my gear made it with me and it's wonderful to be back in Africa! It's the height of the dry season here in Gabon which is a new experience for me. I'll be working in Libreville for the next 2 weeks... I'm applying for the necessary permit applications to do manatee research in Gabon and for the samples I plan to export back to Florida in July, and finalizing logistics for my fieldwork in Congo and southern Gabon. I'm thankful to be able to use the WCS (Wildlife Conservation Society) office again to work from while I'm here. More news as soon as I get out to the field!

Tuesday, May 17, 2011

Victor continues to grow!

Victor, the orphan manatee calf being rehabilitated in southern Gabon has now reached 30kg! This is a good milestone because it has taken a long time for him to steadily gain weight. When he was rescued he weighed 27 kg, but he lost weight for awhile before he adjusted to his diet of soy milk. For manatees (unlike people) fat is good! West African manatees are generally smaller than their cousins the Florida manatee, but no one has ever raised an African calf in captivity for this long before, so we don't know what normal growth is. Victor is providing his caregivers, consulting vets, and everyone else involved lots of new information.


To celebrate Victor's growth, caregiver Aimee made a Victor cake. Let's hope there are many more cakes to celebrate Victor's milestones as he grows and thrives!


Unfortunately funds for Victor's care are running very low, and he still needs captive care for at least 1 1/2 more years. If you can help, donations are gratefully accepted at:

Victor the Manatee, c/o the Marine Program
Wildlife Conservation Society
Attn: Grace Seo
2300 Southern Boulevard
Bronx, NY 10460 USA
Tel: 718-220-8156


In 2 days I'll be traveling back to Gabon to meet Victor and to do fieldwork in the lagoon where he lives. I'll be looking for other manatees there as well as the habitat to assess the plants that manatees eat. This summer I'll also do manatee surveys in the Congo, and I'll post all my news here on the blog, so check back soon!

Saturday, April 09, 2011

Senegal: Manatee hunter gives up killing in favor of conservation!

Very exciting news from Senegal.... a manatee hunter whose family has been working in the Casamance River for generations has decided to end all manatee hunting and work towards manatee conservation! Last week he gave his harpoon to Tomas Diagne, a manatee researcher in Senegal, as a symbol of his decision. Oceanium Dakar and Tomas have been working with the hunter's community of Pt. St. George in the Casamance for several years, because they have a spring where manatees come to drink freshwater each day.


I visited Pt. St. George in October 2010 and was amazed, because it's literally the only place I know in Africa where sighting manatees every day is guaranteed. The people of Pt. St. George are interested to develop manatee eco-tourism, and they already have an observation tower, so Tomas and I plan to provide them with permanent manatee educational panels and to help them begin manatee conservation measures. Our first task will be to install buoys around the spring to keep boats out so that manatees have a safer place to drink, which will also allow tourists more opportunities to see them from the viewing tower. Eco-tourism will hopefully provide an alternate livelihood to more members of the community, benefiting them for keeping manatees alive, rather than hunting them.

The viewing tower. Manatees come to the spring just in front of it.
Recent network collaborator fieldwork




Here are some recent photos of colleagues in Angola and Nigeria using new field sampling equipment during their manatee surveys. I was able to send them this equipment thanks to several generous grants (much appreciated by both myself and the African researchers!). This equipment, which seems so basic to us in the USA but is so difficult to get in Africa, allows them to collect more accurate data in their home countries. These colleagues received depth sounders with built in digital thermometers, GPS units, binoculars, refractometers (which measure water salinity), headlamps for night surveys, secchi disks (to measure water clarity), rain ponchos, waterproof field notebooks, African aquatic plant guides (electronic versions on CD), and drybags to keep the equipment dry.


Miguel Xavier is doing manatee surveys of river systems in central Angola. Here he uses his new refractometer to check water salinity. His preliminary surveys found that there may be a high level of pollution in some rivers, so he has purchased a water chemistry set to test levels of several chemicals during his surveys.

Uzoma Edijmadu is a PhD student in Lagos, Nigeria studying manatees in Badegry Lagoon. He uses his new secchi disk to check water clarity, which is important to understand where aquatic plants (manatee salad!) are capable of growing.
The new depth sounders are great because they not only give the depth of the water (very important when searching for manatees in murky rivers and lagoons), but also the water temperature, all with the click of a single button! Bolaji Dunsin of the Nigerian Institute for Oceanography and Marine Research, who collaborates with Uzoma, checks their location on their new GPS while surveying Badegry Lagoon in western Nigeria.

I'm really happy to see the network collaborators in action and able to collect better data thanks to their new field equipment. I'll post photos of other collaborators as they are sent to me!

Friday, March 18, 2011

The Manatee Scientists



The Manatee Scientists book highlighting some of my work in Africa (as well as Amazon and Florida manatee research) has just been released! I'm pretty excited after working with author Peter Lourie for the past 2 years. It's already listed on Amazon where you can see inside it (click on the title above). I'm biased of course, but I think it looks pretty good :-) It's written for young adults, so don't expect it to be too scientific, although I think Peter did a great job explaining fieldwork and it's great as an educational tool for budding young marine biologists. All the photos in the chapter on Africa are mine.

Thursday, February 17, 2011

Victor photos

New photos of the orphan manatee calf in Gabon, courtesy of Jonathan, the Masters student from Puerto Rico who is there working with him until April. Victor's skin lesions are healing well...
He is getting regular medical exams. Here Jonathan listens to his heart rate.
Victor sill needs to be bottle fed every few hours
Taking Victor's weight. They'll need a bigger scale as he grows!