Gyrosigma balticumvar.turgidum, a new diatom variety from Porirua Harbour, North Island, New Zealand

Vegetation Mortality in the Kaimai Ranges, North Island, New Zealand!

Areas ofvegetation mortality have been recognized in the upland forests of the Kaimai Ranges, North Island, New Zealand. The mortality is not confined to any particular vegetation type, but occurs above a critical altitude that differs at different points along the ranges. The mortality is episodic and has occurred at intervals over a period of several hundred years, with severe droughts implic...

Isolated deep earthquakes beneath the North Island of New Zealand

A new record of Percursaria percursa (Ulvaceae, Ulvales) on the North Island, New Zealand

The filamentous green alga Percursaria percursa (Ulvaceae, Ulvales) was recorded for the first time on the North Island of New Zealand at Ōmokoroa Estuary, Tauranga Harbour. This species is previously known within New Zealand from only two records, both from the South Island. In Tauranga Harbour, this species was restricted to anoxic estuarine sediments where mangrove forests had been mulched, ...

Petrogenesis of High-K Arc Magmas: Evidence from Egmont Volcano, North Island, New Zealand

Egmont Volcano (Mt Taranaki) is located 140 km west of the INTRODUCTION Taupo Volcanic Zone (TVZ), the principal locus of volcanic activity Egmont Volcano is a 2518 m high stratovolcano (Mt in the North Island of New Zealand, and is one of four closely Taranaki) resting on an extensive ring plain of volcanic associated Quaternary andesitic volcanoes in Taranaki province. debris in Taranaki prov...

Eradication of stoats ( Mustela erminea ) from Secretary Island , New Zealand

Stoats (Mustelia erminea) are known to be good swimmers. Following their liberation into New Zealand, stoats reached many of the remote coastal islands of Fiordland after six years. Stoats probably reached Secretary Island (8140 ha) in the late 1800s. Red deer (Cervus elaphus) are the only other mammalian pest present on Secretary Island; surprisingly, rodents have never established. The signif...