In this paper we define the regulatory structure of the New Zealand Quota Management System (QMS) and document key changes in its operation over time. We document the relevant legislation that affected the quota market from the Fisheries Act 1983 forward. We describe how the QMS operates in New Zealand...
Paleoclimate records from glacial Indian and Pacific oceans sediments document millennial-scale fluctuations of subsurface dissolved oxygen levels and denitrification coherent with North Atlantic temperature oscillations. Yet the mechanism of this teleconnection between the remote ocean basins remains elusive. Here we present model simulations of the oxygen and nitrogen cycles that...
Paleoclimate records from glacial Indian and Pacific oceans sediments document millennial-scale fluctuations of subsurface dissolved oxygen levels and denitrification coherent with North Atlantic temperature oscillations. Yet the mechanism of this teleconnection between the remote ocean basins remains elusive. Here we present model simulations of the oxygen and nitrogen cycles that...
The cell wall of dry, dormant conidia of Aspergillus nidulans
is three-layered. The wall of hydrated conidia is five-layered and
the germ tube wall is continuous with the innermost layer. The
outermost layer consists of rodlets measuring 10 nm in diameter.
Mitochondria and endoplasmic reticulum increase in number and
amount,...
We present a new nitrogen isotope model incorporated into the three-dimensional ocean component of a global Earth System Climate Model designed for millennial timescale simulations. The model includes prognostic tracers for the stable nitrogen isotopes, ¹⁴N and ¹⁵N, in the nitrate (NO₃ˉ), phytoplankton, zooplankton, and detritus variables of the marine...
To constrain the fluxes of methane (CH4) in the water column above the accretionary
wedge along the Cascadia continental margin, we measured methane and its stable carbon
isotope signature (δ¹³C-CH₄). The studies focused on Hydrate Ridge (HR), where
venting occurs in the presence of gas-hydrate-bearing sediments. The vent CH₄ has...
The goals of this dissertation are centered on understanding changes in Earth surface and climate systems through the use of geologic proxies as records of past changes in these systems. Specifically, this dissertation (1) establishes a new chronology for retreat of the Ross Sea sector of the West Antarctic Ice...