This issue of the monthly newsletter published
by the National Climate Centre includes an article
linking climate and toxic algal blooms (PDF, 3.44
MB).
More suggestions and sources
Batson, Peter B. Deep New Zealand: blue
water, black abyss. Christchurch: Canterbury
University Press, 2003.
Breidahl, Harry. Diminutive drifters:
microscopic aquatic life. South Yarra:
Macmillan, 2001.
Cassie, V. Microalgae: microscopic
marvels. Hamilton: Riverside, 1996.
Hall, Julie. The iron hypothesis. Alpha
series 106. Wellington: Royal Society of New
Zealand, 2000.