RV SONNE Fahrtbericht / Cruise Report SO239: EcoResponse Assessing the Ecology, Connectivity and Resilience of Polymetallic Nodule Field Systems, Balboa (Panama) – Manzanillo (Mexico,) 11.03.-30.04.2015
Martínez Arbizu, Pedro and Haeckel, Matthias, eds. (2015) RV SONNE Fahrtbericht / Cruise Report SO239: EcoResponse Assessing the Ecology, Connectivity and Resilience of Polymetallic Nodule Field Systems, Balboa (Panama) – Manzanillo (Mexico,) 11.03.-30.04.2015 . GEOMAR Report, N.Ser. 025 . Helmholtz-Zentrum für Ozeanforschung Kiel, Kiel, 204 pp. DOI 10.3289/GEOMAR_REP_NS_25_2015.
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The cruise SO239 EcoResponse took place between 11th of March and 30th of April 2015.
Aim of the cruise was to study the biodiversity, geological and geochemical settings across a
productivity gradient in the CCZ. Also to study the genetic connectivity between distant deepsea
populations, to compare the fauna from seamounts with the fauna living attached to the
nodules and to sample an APEI for the first time. The AUV was used to test the usefulness of
photographic and side-scan sonar survey for future monitoring of mining activities. We visited
6 working areas in 4 ISA contractor areas (from BGR, IOM, DEME, Ifremer) and the APEI
number 3. On all sites sediment samples were taken with the Multicorer, Box-Corer and
Gravity Corer. Additionally epibenthic fauna and scavengers were sampled with the
Epibenthic Sledge and Amphipod Trap, respectively. CTD cast and water samples were
taken on each of the areas. An AUV was used to perform detail bathymetric mapping in
addition to side-scan sonar and photographic surveys. ROV was used to sample megafauna
organisms, to sample sediments inside dredge tracks, and to perform video transect.
|Document Type:||Report (Cruise Report)|
|Keywords:||RV Sonne, Cruise report, SO239, EcoResponse, ROV|
|Research affiliation:||OceanRep > GEOMAR > FB2 Marine Biogeochemistry > FB2-MG Marine Geosystems|
|Date Deposited:||07 Dec 2015 08:40|
|Last Modified:||26 Jan 2016 08:16|
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