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Expedition Spotlight: São Tomé

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California Academy of Sciences

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Partner:: California Academy of Sciences
Location:: California Academy of Sciences
San Francisco, CA
Event Date:: 04.21.10
Speakers:: Roberta Ayres,; Dr. Robert Drewes
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Summary: Fresh from the field, the California Academy of Sciences' curator of herpetology, Bob Drewes, and co-manager of the Naturalist Center, Roberta Ayres, talk about their recent expedition to São Tomé.

One of two islands forming a single nation off the western equatorial coast of Africa and more than 17 million years old, São Tomé may be the last undisturbed paradise on earth. This sparsely inhabited island is home to hundreds of species of flora and fauna found nowhere else on Earth. They discuss the island's unique biodiversity, and explore how improved education can help protect it from environmental threats.

Bio

Roberta Ayres

Roberta Ayres is a native of Sao Paulo, Brazil, where she earned her Bachelors degree in Biology and teaching credentials. In 1998 she graduated from the University of Tennessee, Knoxville with a M.S. Science Education with course concentration in museum education.

Her career in the informal science education field started right after graduation at the Sciencenter, Ithaca, NY, where she developed and delivered public programs and trained museum volunteers. She is currently the Aquatic Educator and Naturalist Center Coordinator at the California Academy of Sciences.

Dr. Robert Drewes

Dr. Robert Drewes is Curator of the Department of Herpetology at the California Academy of Sciences. He completed his undergraduate degree at San Francisco State and his Ph.D. in Biology at UCLA, focusing on the evolutionary relationships of the dominant treefrog family of Africa, Madagascar, and the Seychelles Islands. His graduate career at UCLA also instilled an ongoing fascination with environmental physiology (the study of how individual organisms physically interact with the environment).

Drewes' ongoing research on the systematics, natural history, and behavior of African reptiles and amphibians began with a year-long trip to East Africa in 1969.

Chapters

: Watch Full Program

01 hr 23 min 54 sec

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01.: Introduction

02 min 13 sec

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02.: Exploration at the Academy of Science

02 min 21 sec

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03.: Exploring Sao Tome and Principe

04 min 30 sec

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04.: Portuguese Control of Sao Tome and Principe

03 min 13 sec

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05.: The Culture and Agriculture of Sao Tome and Principe

04 min 14 sec

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06.: How the Islands' Geography Affect Their Biodiversity

05 min 39 sec

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07.: The Large Number of Endemic Species

05 min 18 sec

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08.: Gigantism, Dwarfism, and Other Island Phenomena

04 min 31 sec

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09.: Documenting Biodiversity

05 min 46 sec

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10.: Research Methods

02 min 12 sec

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11.: Discoveries

05 min 16 sec

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12.: Unexpected Discoveries

04 min 31 sec

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13.: Explaining the Unexpected

03 min 16 sec

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14.: The Significance of the Islands' Diversity

02 min 53 sec

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15.: The Importance of Getting the Word Out

03 min 52 sec

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16.: Roberta Ayres: The Academy's Naturalist Center

02 min 20 sec

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17.: Traveling Around the Islands

04 min 41 sec

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18.: The Importance of Having a Local Guide

02 min 40 sec

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19.: Meeting with the Government, NGO's, and the Media

03 min 37 sec

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20.: Education on the Islands

05 min 07 sec

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21.: Plans for Improving Education

05 min 32 sec

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: Watch Full Program

01 hr 23 min 54 sec

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Phallus Drewesii: Be Careful What Gets Named After You

02 min 24 sec

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Of the 200-plus species herpetologist Dr. Robert Drewes and his team discovered on their expedition to Sao Tome and Principe, a mushroom called Phallus drewesii stands out from the crowd.

The mushroom, named after Dr. Drewes, is the second-smallest member of the genus Phallus.
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01 hr 23 min 54 sec

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Encyclopædia Britannica Article

Sao Tome and Principe: Encyclopædia Britannica, Inc.Island country, central Africa. It is situated on the Equator in the Gulf of Guinea, west of the African mainland. Area: 386 sq mi (1,001 sq km). Population (2009 est.): 163,000. Capital: São Tomé. Most of the people are Forro, a mixture of African and European ancestry, or Angolares, the descendants of former Angolan slaves. Languages: Portuguese (official), Creole. Religion: Christianity (predominantly Roman Catholic; also Protestant). Currency: dobra. The country consists of the two main islands, São Tomé and Príncipe, which are separated by about 90 mi (145 km), and a number of islets. The two main islands each have northeastern lowlands, central volcanic highlands, and swift-flowing streams. The economy, partly government-controlled and partly private, has long depended heavily on international assistance; it is based on agriculture and fishing, although petroleum-related earnings have increased since the late 1990s. The country is a multiparty republic with one legislative house; its head of state is the president, and the head of government is the prime minister. First visited by European navigators in the 1470s, the islands were soon colonized by the Portuguese and were used in the trade and transshipment of slaves. Sugar and cocoa were the main cash crops. The islands became an overseas province of Portugal in 1951, and they achieved independence in 1975. Príncipe became autonomous in 1995.; Sao Tome and Principe on britannica.com

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