Craig Norrie

Oregon State University | OSU · Hatfield Marine Science Centre

The emergence of high resolution population genetic techniques, such as genotyping-by-sequencing (GBS), in combination with recent advances in particle modelling of larval dispersal in marine organisms, can deliver powerful new insights to support fisheries conservation and management. In this study, we used this combination to investigate the popu...

A prerequisite to effectively managing fish populations is to understand what factors and processes, including predation and changing environments, affect the survival of individuals. In anadromous fishes, the transition from freshwater to marine habitats is considered a critical period regulating population abundance due to high and variable morta...

The New Zealand green-lipped mussel aquaculture industry is largely dependent on the supply of young mussels that wash up on Ninety Mile Beach (so-called Kaitaia spat), which are collected and trucked to aquaculture farms. The locations of source populations of Kaitaia spat are unknown and this lack of knowledge represents a major problem because s...

Worldwide bivalve aquaculture is expanding rapidly. Simultaneously, there has been a loss of natural bivalve reefs due to anthropogenic activities. As bivalve reefs support several ecosystem functions disproportionate to the area they cover, there is interest in their restoration. The Firth of Thames (FoT) in northern New Zealand once supported den...

The trace elemental composition of biogenic calcium carbonate (CaCO3) structures is thought to reflect environmental conditions at their time of formation. As CaCO3 structures such as shell are deposited incrementally, sequential analysis of these structures allows reconstructions of animal movements. However, variation driven by genetics or ontoge...

We sought to determine how pCO2 will affect the incorporation of trace elements into bivalve shell. This was to validate that under high pCO2 conditions reconstruction of animal movements is still viable; and to investigate potential trace element proxies for ocean carbonate chemistry. Here, we examined shell of the bivalve Perna canaliculus formed...

What is IPBES? IPBES—the Intergovernmental Platform on Biodiversity and Ecosystem Services—was established in 2012 to serve a role linking the science and knowledge about nature and nature’s benefits to people with policy and decision-making. IPBES has many expert groups, including one that focusses on Scenarios and Models of Biodiversity of Ecosy...

Seascapes contain a mosaic of ecosystem types, including ‘small natural features’ that support a diverse fauna and flora, and provide ecosystem services disproportionate to their size. These include tropical coral reefs, seagrass meadows, rhodolith beds, kelp and mangrove forests as well as deep-sea coral reefs, sponge gardens and hydrothermal vent...

Trace elemental fingerprinting has been used to estimate population connectivity o marine species by using variations in the chemistry of shell produced in different water masses t determine the natal location of settlers. This method has been successfully used to differentiat between estuaries and coasts at spatial scales of 10s to 100s of km. Her...

In lizards, chemical senses play important roles in ecology and behavior. Previous studies have shown that food chemical discrimination, phylogeny, and foraging modes are associated in squamates. The two major clades, Iguania and Scleroglossa, display marked differences in foraging behavior. A large majority of iguanians are primarily ambush forage...