The Benthic Megafaunal Assemblages of the CCZ (Eastern Pacific) and an Approach to their Management in the Face of Threatened Anthropogenic Impacts

被引：23
|
作者：
Tilot, Virginie [1 ,2 ]
Ormond, Rupert [3 ,4 ]
Moreno Navas, Juan [5 ]
Catala, Teresa S. [6 ,7 ,8 ,9 ]
机构：
[1] Museum Natl Hist Nat, UMS AFB CNRS MNHN Patrimoine Nat, Paris, France
[2] Inst Espanol Oceanog, Malaga, Spain
[3] Heriot Watt Univ, Ctr Marine Biodivers & Biotechnol, Edinburgh, Midlothian, Scotland
[4] Marine Conservat Int, Edinburgh, Midlothian, Scotland
[5] Univ Malaga, Phys Oceanog Res Grp, Malaga, Spain
[6] Carl von Ossietzky Univ Oldenburg, Inst Chem & Biol Marine Environm ICBM, ICBM MPI Bridging Grp Marine Geochem, Oldenburg, Germany
[7] Univ Granada, Dept Ecol, Granada, Spain
[8] Univ Granada, Inst Agua, Granada, Spain
[9] CSIC IIM, Vigo, Spain
来源：
FRONTIERS IN MARINE SCIENCE | 2018年 / 5卷
关键词：
deep sea mining; polymetallic nodule ecosystem; epibenthic megafauna; vulnerable marine ecosystems; ecosystem-based marine spatial planning; ABYSSAL NE PACIFIC; MARINE BIODIVERSITY; TROPICAL PACIFIC; NORTH PACIFIC; EPIBENTHIC MEGAFAUNA; POLYMETALLIC NODULES; EQUATORIAL PACIFIC; COMMUNITY RESPONSE; MANGANESE NODULES; BOUNDARY-LAYER;
D O I：
10.3389/fmars.2018.00007
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We present here the results of a UNESCO/IOC baseline study of the megafaunal assemblages of the polymetallic nodule ecosystem of 5 areas within the Clarion Clipperton Zone (CCZ) of the eastern Pacific Ocean. The work was undertaken with a view to investigating the structure of the epifaunal populations associated with the benthic biotopes being targeted for nodule mining and developing an appropriate set of management tools and options. The general characteristics of nodule ecosystem and assemblages and their sensitivity to deep-sea mining are discussed in relation to water masses, surface to seabed water circulation, the nepheloid layer and processes taking place at the sediment interface. Management tools considered include species diversity and vulnerability indexes, GIS systems, zoning, and 3D rapid environmental assessment (REA). These strategies are proposed for trial during pilot mining operations within the CCZ.
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页数：25
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