"'''''''Of' Rapid Ecological Assessment (REA) Teams Aboard HI-1 Completed 2 Multidisciplinary REA Surveys at Sites TUT-17 and TUT-4
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UNITED STATES DEPARTMENT OF COMMERCE National Oceanic and Atmospheric Administration "~1-..., : ..~~ NATIONAL OCEAN SERVICE "'" yo'" "I''''''tu Of ~ Silver Spring. Maryland 20910 1 CRUISE REPORT VESSEL: Hfialakai, Cruise 08-02 (Fig. 1) CRUISE PERIOD: 18 February-19 March 2008 AREA OF OPERATION: American Samoa TYPE OF OPERATION: Personnel from the Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), NOAA, and their partner agencies conducted integrated coral reef ecosystem assessment and monitoring surveys in waters surrounding Tutuila, Ofu, Olosega, Ta'u, Swains Islands, and Rose Atoll. All activities described in this report were covered by the following pennits: DMWR 2008/002, NPAS-2008-SCI-0005, FBNMS-2008-0001, USFWS 12521-08002, USFWS 12521-08003, USFWS 12521-08004, USFWS 12521-08005, USFWS 12521-08006, USFWS 12521-08007, USFWS 12521-08008. ITINERARY: 18 February Start of cruise. Embarked Marc Nadon (fish), Paul Brown (fish), Kevin O'Brien (fish), Paula Ayotte (fish), Jason Helyer (coral), Jean Kenyon (coral), Suzy Cooper-Alletto (algae), Sarah Myhre (algae), Molly Timmers (invertebrates), Noah Pomeroy (invertebrates), Stephane Charette (towed diver, fish), Kevin Lino (towed diver, fish), Edmund Coccagna (towed diver, benthic), Jacob Asher (towed diver, benthic), Oliver yette,r (oceanography), Ellen Smith (oceanography), Frank Mancini (oceanography), Daniel Merritt (oceanography), Jim Bostick (divemaster and chamber operator), Jamie Carter (data manager), and Scott Ferguson (chief scientist). Departed Pago Pago, American Samoa, at 0905 and began transit to Cape Matatula on the NE tip of Tutuila (- 16 nmi). Boat orientation and dive safety briefings were performed, and an introductory meeting was held for new scientific personnel. Boat launches began at 1205 with all boats working west along the north shore. The I PIFSC Cruise Report CR-09-003 ~"TMOS~ Issued 10 April 2009 (~ Printed 011 Recycled Paper ,~ * "'''''''Of' Rapid Ecological Assessment (REA) teams aboard HI-1 completed 2 multidisciplinary REA surveys at sites TUT-17 and TUT-4. A second fish REA team aboard HI-2 completed 2 additional fish surveys at sites TUT- 50 and TUT-51. The towed-diver team conducted 4 towed-diver surveys. The oceanography team replaced 2 subsurface temperature recorders (STRs), recovered 1 ecological acoustic recorder (EAR), and deployed 1 new EAR anchor to be equipped with an instrument after refurbishment ashore. They also conducted 7 shallow-water conductivity, temperature, and depth (CTD) casts and 2 shallow-water sample profiles. Four shipboard deepwater CTD casts were performed during nighttime operations. February 19 Continued working along the north shore of Tutuila. The fish and benthic REA teams aboard HI-1 completed 3 multidisciplinary REA surveys at sites TUT-5, TUT-14, and TUT-18. A second fish REA team aboard HI-2 completed 3 additional fish surveys at sites TUT-52, TUT-53, and TUT- 54. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered 1 EAR, deployed 1 new EAR anchor to be equipped with an instrument after refurbishment ashore, recovered and redeployed a sea surface temperature (SST) buoy, recovered 1 STR, and deployed 2 new STRs. They also conducted 6 shallow-water CTD casts and 1 shallow-water sample profile. Two shipboard deepwater CTD casts were performed during nighttime operations. February 20 Continued working along the north shore of Tutuila. The fish and benthic REA teams aboard HI-1 completed 3 multidisciplinary REA surveys at sites TUT-13, TUT-19, and TUT-12. A second fish REA team aboard HI- 2 completed 3 additional fish surveys at sites TUT-55, TUT-56, and TUT- 57. The towed-diver team conducted 6 towed-diver surveys. The oceanography team deployed 1 STR, conducted 7 shallow-water CTD casts and performed 2 shallow-water sampling profiles. Six shipboard deepwater CTD casts were performed during nighttime operations. February 21 Continued working along the northwest shore of Tutuila to Cape Taputapu and then along the southwest shore. The fish and benthic REA teams aboard HI-1 completed 3 multidisciplinary REA surveys at sites TUT-8, TUT-7, and TUT-6. A second fish REA team aboard HI-2 completed 3 additional fish surveys at sites TUT-58, TUT-59, and TUT-60. The towed- diver team conducted 6 towed-diver surveys. The oceanography team recovered and redeployed 1 wave-and-tide recorder (WTR), recovered and redeployed 1 SST buoy, recovered 1 STR, and deployed 2 new STRs. They also conducted 6 shallow-water CTD casts and performed 1 shallow- water sampling profile. One shipboard deepwater CTD cast was performed during nighttime operations. 2 February 22 Worked along the south shore of Tutuila starting near the airport and moving east. The fish and benthic REA teams aboard HI-1 completed 3 multidisciplinary REA surveys at sites TUT-21, TUT-10, and TUT-15. A second fish REA team aboard HI-2 completed 4 additional fish surveys at sites TUT-61, TUT-62, TUT-63, and TUT-64. The towed-diver team conducted 6 towed-diver surveys. The oceanography team conducted 18 shallow-water CTD casts and performed 5 shallow-water sampling profiles. February 23 Worked along the southeast shore of Tutuila. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites TUT-2, TUT-3, and TUT-16. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted surveys at sites TUT-65 and TUT-66. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered and redeployed 1 SST buoy and recovered and redeployed 1 STR. They also conducted 5 shallow-water CTD casts and performed 2 shallow-water sampling profiles. February 24 Worked along the southwest shore of Tutuila near Fagatele and Larsen’s Bays. Disembarked Paul Brown. The REA teams aboard HI-1 completed 3 benthic REA surveys at sites TUT-11, TUT-22, and TUT-23. The invertebrate divers installed 6 autonomous reef monitoring structures (ARMS) at Fagatele Bay and 3 ARMS at Larsens Bay. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted surveys at sites TUT-67 and TUT-68. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered 1 SST anchor, deployed 1 new SST buoy, recovered 2 STRs, and deployed 3 STRs. February 25 Worked along the south shore of Tutuila. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites TUT-9, TUT-1, and TUT- 20. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted surveys at sites TUT-69 and TUT-70. The towed- diver team conducted 6 towed-diver surveys. The oceanography team recovered 1 STR. The ship moored alongside the commercial pier in Pago Pago at 1100 with boats working nearby and completing operations by about 1530. February 26–27 NOAA’s National Marine Sanctuaries Program and ship personnel conducted educational activities aboard ship from 0800 to 1500 with the ship’s small boats taking students out for underway activities. A total of 61 students and 11 teachers, as well as 13 educators and volunteers, participated in the activites. Embarked Kerry Grimshaw. Departed Pago Pago Harbor at 1600. Conducted a 500-m CTD cast and began multibeam mapping to fill in gaps in existing coverage along the ridge extending SE of Tutuila. Transited to Ofu and Olosega Islands. 3 February 28 Commenced work around Ofu and Olosega. The Commanding Officer and Chief Scientist went ashore to confer with local officials about the work the ship and small boats were conducting. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites OFU-2, OFU-3, and OFU- 4. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted surveys at sites OFU-50 and OFU-51. The towed- diver team conducted 5 towed-diver surveys. The oceanography team recovered and redeployed 6 STRs. Three shipboard deepwater CTD casts were performed during nighttime operations. February 29 Continued work around Ofu and Olosega. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites OLO-4, OLO-2, and OLO- 5. OLO-6 was attempted and terminated early due to low underwater visibility due to rain runoff. The fish REA team aboard HI-2 completed OLO-4, OLO-2, OLO-5, and OLO-52. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered and redeployed 1 STR, conducted 25 shallow-water CTD casts, and performed 6 shallow- water sampling profiles. One shipboard deepwater CTD cast was performed during nighttime operations. March 1 Poor weather necessitated moving to Ta`u where work could be conducted in sheltered areas. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites TAU-12, TAU-9, and TAU-8. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted a survey at TAU-50. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered and redeployed 1 SST and 2 STRs, and conducted 16 shallow-water CTD casts. March 2 Continued work around Ta`u. The benthic REA team aboard HI-1 completed 3 benthic REA surveys at sites TAU-2, TAU-1, and TAU-7. The fish REA team aboard HI-2 completed the same 3 sites and, in addition, conducted a survey at TAU-51. The towed-diver team conducted 6 towed-diver surveys. The oceanography team recovered and redeployed 1 STR, conducted 22 shallow-water CTD casts, and performed 4 shallow- water sampling profiles. March 3 Weather day. Sustained northerly winds of 40 kn with numerous rain squalls that prevented small boat and diving operations from occurring.