Recently in Island Species Category

Whale Sharks In Mexico

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Next time you are in Mexico and someone asks you to play with dominoes, you may be in for a very large surprise.  Due to the many white spots that mark their gray bodies, in Mexico the common nickname for  whale sharks is "dominoes."  Indeed these gentle giants do resemble dominoes - very, very large ones, that is.  At up to 48 feet in length and weighing up to 25 tons, whale sharks, or Rhincodon Typus as they are known to scientists, are the world's largest fish.  Despite their enormous size, comparatively little is known about them.  One of the reasons for this is that there are not large numbers of them left in the oceans and for much of the year they are solitary animals.

Whaleshark0025.jpg Less than ten years ago, marine biologists discovered that during the months of June to September the world's largest aggregation of whale sharks takes place off the coast of Mexico's Yucatan Peninsula.  In recent years they can be found north of Isla Mujeres, a small island just off the coast of Cancun.  A smaller number can also be found off of Holbox Island near the northern tip of the Yucatan Peninsula.  Whale Sharks are listed on the International Union of the Conservation of Nature's (IUCN's) Red List of Vulnerable Species, meaning their future is in danger.

Madagascar's Silky Sifakas

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Worldwide, islands harbor some of our planet's most rare and fascinating species. The island of Madagascar, located off the eastern coast of Africa, is no exception. With abundant biodiversity, the island provides a home to 8 plant families, 4 bird families, and 5 primate families that are endemic, or found nowhere else on earth. One of Madagascar's most famed endemic species is the lemur, a small primate found in the island's forests.

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Welcome back to Seacology's "Islands 101" blog series! Knowing that not everyone eats, sleeps, and breathes islands, we've put together some basic information to help bring you up to speed on the ins and outs of island conservation. If you haven't already, check out our first "Islands 101" post, which covered island geography and ecosystems. 


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According to the Lonely Planet guide, "Among the 115 islands that make up the Seychelles are some of the most beautiful island getaways in the Indian Ocean, or indeed the world. Here you can find the lush tropical paradise you may have seen in seductive advertisements." The group of islands around Mahe (home of the international airport and the capital city of Victoria) are made of granite while the remaining islands are coralline atolls. The Seychelles lie 1,600 kilometers off of East Africa, its nearest neighbor. As a result of this isolation the Seychelles are rich in rare plants which flourish nowhere else on the planet. Perhaps the most famous of these is the coco de mer, the world's largest coconut weighing as much as 20 kg. In addition to their prodigious size the coco de mer is famous for its rather erotic shape (pictured right). I will let readers' imaginations run wild on this but if you want to see this coconut in person head for the beautiful Vallee de Mai on the island of Praslin. I recently led a Seacology group to visit the Seychelles and some of us are still blushing after seeing these rather evocative coconuts. The Seychelles visitors bureau knows a good thing when it sees one and the coco de mer not only appears on posters and brochures everywhere but the Seychelles official passport stamp is in the shape of this naughty coconut.

A new study published in the Proceedings of the National Academy of Sciences suggests that, as far as conserving biodiversity goes, Seacology is on the right track. The species richness on islands is 8 to 9 times greater than that of mainland environments according to this study performed by Holger Kreft and colleagues at the University of Bonn, UC San Diego and the University of Applied Sciences Eberswalde. To read more about this fascinating topic please see the associated article, Islands top a global list of places to protect, as well as the actual study, A global assessment of endemism and species richness across island and mainland regions.

After three days of sitting out the typhoon during my recent trip to the Philippines, our Philippines Field Representative Ferdie Marcelo and I flew to the beautiful island of Palawan.

philmap.gifAfter overnighting in Roxas, Ferdie and I met with representatives from project partner SIBAT and drove to Barangay Bagong Bayan. This remote village has a true "ridge to reef" ecosystem. With SIBAT's expertise, Seacology is funding the rehabilitation of a micro-hydro power plant. After meeting with community leaders, we viewed the non-functioning powerhouse. There is a nearby ice plant, which when powered will make a dramatic difference to local fisherman who will be able to chill their catches to keep fish fresh longer for marketability. The power plant also has an herb dryer, which when functional will enable community members to dry medicinal herbs to sell.


Bagong Bayan watershed.jpgThe Bangong Bayan watershed (right) is truly beautiful. The source for the microhydro system is above a lovely waterfall. The catchment at the top was not configured to maximize flow, so community members are working on that while they wait for generator parts to arrive. After staying back in Roxas for a night, Ferdie and I traveled to El Nido, on the northern tip of Palawan. I had heard for years about the beauty of this area, and stunning Bacuit Bay with its dramatic limestone islands and turquoise water.

Madagascar Delights

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Royal Palace in TanaWow. The hype is not hype; Madagascar delivers on its promise of exotic animals, dramatic landscapes, rare botany and friendly people. This island lost in time keeps alive the dream of a faraway land with mystical creatures and magical landscapes.

Seacology's 15 person expedition began with a brief stint in the capital of Antananarivo ("Tana"), and the architecture did not disappoint. A bustling city of nearly two million people, its history is rich with dynasties boasting some of the longest names in the world. To the left is King Andrianampoinmerina's palace which sits on the highest of the capital's 12 hills, standing as a sentinel overlooking the city.

Madagascar Pitcher Plant We flew to the extreme south of the island to begin our trek to the project site, a Seacology supported nursery for rare and endangered plants at Ft. Dauphin. Riding for hours over seriously rugged roads, we shared the terrain with a constant chain of Malagasy people traveling on foot -- generally barefoot -- carrying their impossibly heavy wares from market to home and back. The indigenous plant nursery was thriving and we spotted a grove of Madagascar's unusual pitcher plants (right) and a small stand of critically endangered water palms along the way; only four remain in their original habitat.

I've been at Seacology for nine years now (I was the first paid employee, beating Executive Director Duane Silverstein by around a week). Each time a board meeting comes and passes, I'm astounded at both how time flies, as well as how we have grown as an organization. At their June 9 meeting, Seacology's board of directors approved seven new projects, bringing our total number of projects to 176. Moreover, a really cool milestone has been reached - Seacology now has projects on 100 islands in 44 countries throughout the world.

Wow.

wasini_kids.jpgFollowing are short descriptions of the projects passed by Seacology's board of directors at their June 9 meeting. You can find full descriptions on our website.

AMERICAN SAMOA, Pago Pago Village, Tutuila Island - Phase 3: Eradicate the dense stands of the destructive Falcataria moluccana tree adjacent to the National Park areas of American Samoa (NPSA). *

Left: Children on the mangrove walkway, Wasini Island, Kenya.

Map of Madagascar.gifDuane, our executive director, and I will be taking a group of donors on a Seacology expedition to Madagascar in a couple of weeks. We're going to check in on three of our conservation projects: two in the central highlands and one in the far south. We're only there for one week, but it will be a week of wild travel from the High Plateau to the East to the Southern Dry Forest (see map at right). We'll visit two preserves, an orchid mountain and several villages that are safeguarding the Madagascar flying fox.

Map of Africa highlighting Madagascar.jpgMadagascar is the fourth largest island in the world, and I imagine it seems like a small continent when you're on it. To put it in perspective, if you've ever been to England, it doesn't really seem like an island when you visit. It feels like another charming European country, and the distances between its cities are long. Well, England is 95,000 square miles in total compared to Madagascar's 227,000 square miles, or roughly two and a half times the size of England.

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I used to have a tropical fish aquarium. Fresh water - I always found salt water aquariums absolutely beautiful but was intimidated by the amount of work they seemed to require. Not only did I keep this 20 gallon aquarium, I transported it across numerous state lines - with the fish kept "securely" in a big ice chest filled with a few inches of water. Some of my fish moved from Florida to Arizona (2 different locations) and then to California. These trips were quite an ordeal - and not only caused my fish stress, but made me a nervous wreck as well. Keeping those fish alive during the multi-day car trip from Florida to Arizona, as you can imagine, was difficult. And as I have an affinity for ALL animals, letting "just a fish" die, wasn't something I could bear.

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This page is a archive of recent entries in the Island Species category.

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