As an alternative, a suite of map layers have been produced that display different biologically important seafloor characteristics that are logistically and technologically feasible to map. The philosophy behind this map system is based on the realization that one set of habitat boundaries cannot be applied to all life stages of all species of interest in a coral reef ecosystem. Map layers include: multibeam bathymetry, backscatter imagery, hyperlinked underwater photographs and/or video still framegrabs of the benthos, seafloor classification results of living cover and substrate from optical imagery and towboard diver observations, depth contours, layers of geomorphic information (slope, rugosity, Bathymetric Position Index (BPI) Structures, and BPI Zones), digital NOAA nautical charts, Ikonos satellite imagery where available, and terrestrial topography. All of the map layers include coverage of the island and or coastal waters of Tutuila and have all been integrated into a single map system. The Tutuila benthic habitat map system consists of a number of separate map layers, each of which characterizes some aspect of the seafloor. When you see another Raider chased by a swarm of ARC drones, do you go in for the kill? Do you lend a helping hand? Or do you hold back and feast on the valuable remains?ĪRC Raiders is an upcoming third-person, PVPVE extraction shooter, set in a lethal future earth. So don't come back from a quest empty-handed. With the traders in Speranza, trust is hard-earned and easily lost. And there are no rules in Calabretta, so beware of other Raiders. Out there, the stakes are high, and you will have to fight for your loot. Everything from leftovers from yesterday’s run-in with ARC to the unlikely remains of a pinball machine. That’s why you’ve enlisted as a Raider, scavenging for vital supplies that are scattered across the landscape. But getting those resources is a risky job, and it isn’t for everyone.

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