▪ Abstract Conservation in New Zealand is failing to halt an ongoing decline in biodiversity.
Classical problems of ecosystem loss and fragmentation have largely been countered in
some regions by reservation of 30% of total land area. Unsustainable harvesting of native
biodiversity has stopped; indeed harvesting of terrestrial species is rare. In contrast, marine
reserves do not cover even 1% of the managed area, and harvest of native species, some of
it unsustainable, are a major industry. Introduced pests, especially mammals, are the …