Island Biogeography. Krakatau – before and after 1883 eruption.

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Presentation transcript:

Island Biogeography

Krakatau – before and after 1883 eruption

Aerial photo of Anak Krakatau and Krakatau

Krakatau today

Central American Coati

Mangrove islands off the Florida coast

Mangrove Island Close-Up

Dan Simberloff on Mandolin Nick Gotelli on Guitar

Simberloff’s defaunation experiment on Mangroves

Bracken Fern

Bracken Fern - Australia

Number of species found on Bracken Fern

Picture Winged Drosophila

Picture Winged Drosophila – more than 500 species from 1 ancestor

Cichlid Diversity

African Rift Lakes

Cichlids from Lake Tanganyika (left) and Lake Malawi (right)

Rift Lake Age, Cichlid Diversity LakeAge# Cichlid Species Lake Tanganyika12 Million years old~250 Lake Malawi5 Million years old~700 Lake Victoria250,000 to 750,000~700

Back to Fragmentation

Elk Migration – Yellowstone - late spring to higher meadows

Pika – victim of climate change?

Edge effects and island size

Overexploitation Tokyo Tuna Market

Woolly Mammoth

Giant Elk or Irish Elk

Giant Ground Sloth – 4 m tall

Dire wolf – Canis dirus

Polynesian Migrations

Maori Migration to New Zealand

Upland Moa

Moa Size

Moa Sizes

Nene – Hawaiian flightless goose

Elephant Bird - Madagascar

Carolina Parakeet

Labrador Duck

Great Auk