Macrostylis metallicola spec. nov.-an isopod with geographically clustered genetic variability from a polymetallic-nodule area in the Clarion-Clipperton Fracture Zone

PeerJ
Torben Riehl, Bart De Smet

Abstract

The Clarion-Clipperton Fracture Zone (CCFZ) in the Northeast Central Pacific Ocean is a region of heightened scientific and public interest because of its wealth in manganese nodules. Due to a poor ecological understanding at the abyssal seafloor and limited knowledge of the organisms inhabiting this area, huge efforts in alpha taxonomy are required. To predict and manage potential hazards associated with future mining, taxonomy is an essential first step to grasp fundamental ecosystem traits, such as biogeographic patterns, connectivity, and the potential for post-impact recolonization. Amongst samples from the Global Sea Mineral Resources NV exploration area (EA) in the CCFZ an undescribed species of the isopod crustacean family Macrostylidae was discovered. Previously, it has been reported from two other nearby regions, the Institut Français de Recherche pour l'Exploitation de la Mer and BGR EAs. There it was one of the more widely distributed and abundant species of the benthic macrofauna and exhibited geographically structured populations. It nevertheless remained taxonomically undescribed so far. The new species is described by means of integrative taxonomy. Morphologically, macro photography, confocal microscopy, scannin...Continue Reading

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Datasets Mentioned

BETA
MN608525
MN608527
MN608519
MN608532
KJ578690

Methods Mentioned

BETA
scanning electron microscopy
dissection
chips
Laser
Scanning Microscopy
dissections
PCR
electrophoresis

Software Mentioned

IQ
Win10
MEGAX
Fiji ImageJ
DISCOL
DELTA
Adobe Illustrator
LEICA LAS AF
ModelFinder
PubMed

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