New Zealand Journal of Botany abstracts
Middle Holocene mangroves in Hawke's Bay, New Zealand
D. C. MILDENHALL
Institute of Geological and Nuclear Sciences
P.O. Box 30 368
Lower Hutt, New Zealand
Abstract Pollen of the endemic mangrove
Avicennia
marina var.
resinifera have been found in middle Holocene
sediments in Te Paeroa Lagoon, Wairoa, northern Hawke's Bay, on the east coast
of New Zealand. The locality is approximately 140 km south of the
southernmost modern occurrence of mangrove on the east coast of New Zealand in
Opotiki Harbour, in the Bay of Plenty, and about 40 km south of the
previously most southerly known Holocene fossil mangrove locality at Sponge
Bay, Gisborne, in Poverty Bay. Radiocarbon dates indicate that
Avicennia
became locally extinct between about 6500 and 6000 years ago.
Keywords Avicennia marina var. resinifera;
mangroves; pollen analysis; Holocene; paleoenvironment; Te Paeroa Lagoon;
Wairoa; Hawke's Bay
B00047
Received 6 November 2000; accepted 3 April 2001
New Zealand Journal of Botany, 2001, Vol. 39: 517-521
0028-825X/01/3903-0517 $7.00 (c) The Royal Society of New Zealand 2001
PDF file of entire paper: medium quality (476K); (scanned from paper original: notes about this process)
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