Island Biogeography

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 MandolinNick Gotelli on Guitar

Simberloff’s defaunation experiment on Mangroves

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

Picture Winged Drosophila – more than 500 species from 1 ancestor

• http://www.pbrc.hawaii.edu/research_news/

Cichlid Diversity

African Rift Lakes

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

Rift Lake Age, Cichlid DiversityLake Age # Cichlid Species

Lake Tanganyika 12 Million years old ~250

Lake Malawi 5 Million years old ~700

Lake Victoria 250,000 to 750,000 ~700

Back to Fragmentation

Elk Migration – Yellowstone - late spring to higher meadows

Pika – victim of climate change?

Edge effectsand 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

CarolinaParakeet

Labrador Duck

Great Auk