8/15/2012 1 Pearl Oysters (Pinctada) of Midway Atoll (Northwestern Hawaiian Islands) Kristin McCully, Don Potts Ecology and Evolutionary Biology Department University of California, Santa Cruz Western Society of Malacologists Meeting June 2012 Pearl Oysters (Pinctada spp.) • Economically important industry • Important filter feeders • Ecosystem indicators – Heavy metals – Nutrients Gametes Larvae Recruits Juveniles Adults Pearl Oysters of Hawaii Pinctada radiata • Small (up to 10 cm) • Extensive beds in Pearl Harbor, Oahu • Die-off in mid-1800s due to sedimentation Pinctada margaritifera • Much larger (up to 30 cm) • Extensive beds at Pearl and Hermes Atoll until 1920s • USFWS and PMNM interested in restoration Photos courtesy of Bishop Museum in Walther (1997) http://sanctuaries.noaa.gov/science/condition/pmnm/images/fig1_lg.jpg Hawaiian Archipelago Midway Atoll (Wada and Tëmkin 2008, Hwang et al. 2007, Mavuti et al. 2005) Sites of aquaculture of P. margaritifera P. margaritifera Black-lipped Pearl Oyster Pinctada margaritifera (Linnaeus 1756)
6
Embed
Pinctada Pearl Oysters ( Pinctada spp.) Midway Atoll (Northwestern Hawaiian Islands)bio.research.ucsc.edu/.../McCully2012-WSM-Presentation.pdf · 2012-08-15 · 8/15/2012 1 Pearl
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
8/15/2012
1
Pearl Oysters (Pinctada) of
Midway Atoll (Northwestern
Hawaiian Islands)
Kristin McCully, Don Potts
Ecology and Evolutionary Biology Department
University of California, Santa Cruz
Western Society of Malacologists Meeting
June 2012
Pearl Oysters (Pinctada spp.)
• Economically important industry
• Important filter feeders
• Ecosystem indicators
– Heavy metals
– Nutrients
Gametes Larvae Recruits Juveniles Adults
Pearl Oysters of Hawaii
Pinctada radiata
• Small (up to 10 cm)
• Extensive beds in
Pearl Harbor, Oahu
• Die-off in mid-1800s due to
sedimentation
Pinctada margaritifera
• Much larger (up to 30 cm)
• Extensive beds at Pearl and
Hermes Atoll until 1920s
• USFWS and PMNM
interested in restoration
Photos courtesy of Bishop Museum in Walther (1997)