Program Leaders

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Extremophile microorganisms
March 22, 2012

Range of Bacteria and archaea found surrounding a geothermal spring in Waimangu. The distribution of color in the image indicates the presence of different extremophiles with the hottest water (approx. 79˚C) upwelling in the center left and cooling rapidly as it radiates. The black color is produced by anaerobic iron metabolism while the red and yellow colors are produced by the aerobic metabolism of iron and sulfur receptively. The green areas indicate the presence of cyanobacteria. (more...)

tags: Life in Extreme Environments, Field trip North Island

location: Rotomahana, New Zealand

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Stewart Island Weka
January 8, 2012

The Weka (Gallirallus australis) is a species of flightless rail endemic to New Zealand. The species is divided into four subspecies: the Buff Weka (Gallirallus australis hectori), the Western Weka (Gallirallus australis australis), the North Island Weka (Gallirallus australis greyi), and the Stewart Island Weka (Gallirallus australis scotti - shown). The Weka is thought to have diverged from a flying ancestral species that had dispersed to New Zealand from modern day Australia. (more...)

tags: Conservation Biology, Field trip Stewart Island

location: Southland, New Zealand

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Control throught Poison
January 8, 2012

Brodifacoum is an anticoagulant that is typically used to control populations of larger rodents such as rats and possums. The poisoning of invasive mammals has become a common practice in many conservation areas in New Zealand. This photo was taken on Ulva Island and represents one of the steps that have been taken by the New Zealand Department of Conservation in order to control the rat population on the island. (more...)

tags: Conservation Biology, Field trip Stewart Island

location: Southland, New Zealand

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