Biosphoto : Agence Photographique spécialisée dans la Nature et l'Environnement

Christoph Gerigk

Diver and stinging Moon Jellyfish-Aquarius Reef Base Florida ; Lars Abromeit/GEO within stinging Moon Jellyfish

Diver and stinging Moon Jellyfish-Aquarius Reef Base FloridaDiver and stinging Moon Jellyfish-Aquarius Reef Base Florida ; Lars Abromeit/GEO within stinging Moon Jellyfish© Christoph Gerigk / Biosphoto - RM

1934293

Diver and stinging Moon Jellyfish-Aquarius Reef Base Florida ;

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Scientists in laboratory - Aquarius Reef Base Florida ; Dr. Chris Martens (front left), Dr.Niels Lindquist (left), UNC Chapel Hill and other members of the saturation diver team /2011 Ocean Acidification Mission

Scientists in laboratory - Aquarius Reef Base FloridaScientists in laboratory - Aquarius Reef Base Florida ; Dr. Chris Martens (front left), Dr.Niels Lindquist (left), UNC Chapel Hill and other members of the saturation diver team /2011 Ocean Acidification Mission© Christoph Gerigk / Biosphoto - RM

1934217

Scientists in laboratory - Aquarius Reef Base Florida ; Dr. Chris

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Aquarius Reef Base in reef - Florida USAAquarius Reef Base in reef - Florida USA© Christoph Gerigk / Biosphoto - RM

1934292

Aquarius Reef Base in reef - Florida USA

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Marine life on Aquarius - Aquarius Reef Base FloridaMarine life on Aquarius - Aquarius Reef Base Florida© Christoph Gerigk / Biosphoto - RM

1934285

Marine life on Aquarius - Aquarius Reef Base Florida

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Marine life under Aquarius - Aquarius Reef Base FloridaMarine life under Aquarius - Aquarius Reef Base Florida© Christoph Gerigk / Biosphoto - RM

1934277

Marine life under Aquarius - Aquarius Reef Base Florida

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Under the "Gazebo" - Aquarius Reef Base Florida ; next to Aquarius. This structure provides refuge for aquanauts if problems develop inside Aquarius. The Gazebo has a separate air supply and oxygen for special ascent tables if the aquanauts need to come to the surface in an emergency.

Under the "Gazebo" - Aquarius Reef Base FloridaUnder the "Gazebo" - Aquarius Reef Base Florida ; next to Aquarius. This structure provides refuge for aquanauts if problems develop inside Aquarius. The Gazebo has a separate air supply and oxygen for special ascent tables if the aquanauts need to come to the surface in an emergency.© Christoph Gerigk / Biosphoto - RM

1934273

Under the "Gazebo" - Aquarius Reef Base Florida ; next to

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Visualization flow of water in a sponge - Aquarius Reef Base ; Fluorescein dye is used to visualize how water is absorbed at the outside and then exhausted by a sponge.The Caribbean barrel sponge, Xestospongia muta, is a large and common member of the coral reef communities at depths greater than 10 m, and has been called the “redwood of the deep”, due to its up to 2000 year lifespan as well as its size and color. Despite its prominence, high biomass and importance to habitat complexity and reef health, very little is know about the basic biology of this massive sponge, including rates of mortality and recruitment, reproduction, growth and age. Like reef corals, this sponge is subject to bleaching and subsequent mortality.<br>With support from NOAA's Aquarius Reef Base at UNCW, NOAA's Coral Reef Conservation Program, and the Florida Keys National Marine Sanctuary, a research group has been monitoring populations of X. muta in the Florida Keys since 1997.

Visualization flow of water in a sponge - Aquarius Reef BaseVisualization flow of water in a sponge - Aquarius Reef Base ; Fluorescein dye is used to visualize how water is absorbed at the outside and then exhausted by a sponge.The Caribbean barrel sponge, Xestospongia muta, is a large and common member of the coral reef communities at depths greater than 10 m, and has been called the “redwood of the deep”, due to its up to 2000 year lifespan as well as its size and color. Despite its prominence, high biomass and importance to habitat complexity and reef health, very little is know about the basic biology of this massive sponge, including rates of mortality and recruitment, reproduction, growth and age. Like reef corals, this sponge is subject to bleaching and subsequent mortality.
With support from NOAA's Aquarius Reef Base at UNCW, NOAA's Coral Reef Conservation Program, and the Florida Keys National Marine Sanctuary, a research group has been monitoring populations of X. muta in the Florida Keys since 1997.© Christoph Gerigk / Biosphoto - RM

1934269

Visualization flow of water in a sponge - Aquarius Reef Base ;

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$Monitoring of sponge respiration - Aquarius Reef Bas Florida ; non-calcifying reef organisms like sponges will likely benefit from negative impacts to corals caused by ocean acidification and climate change; research data suggest that water passing through a filter feeding X muta sponge drops more than 0.01 pH units, a significant fraction of the 0.1 drop that has already resulted from the acidification of the ocean by the increase in atmospheric carbon dioxide in recent decades.; scientists try to understand how to distinguish local acidification processes, like that from sponge respiration, from the global scale changes now occurring around the world. Only in this decade have scientists fully realized the threat of global acidification to calcifying organisms such as corals. Marine scientists around the world are now attempting to provide the information that we need to both understand and manage this important problem; field work, experiments and scientific setups of the AUG 2011 Research Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill<br>Co-Principal Investigator: Dr.Niels Lindquist (left), UNC Chapel Hill$ Monitoring of sponge respiration - Aquarius Reef Bas FloridaMonitoring of sponge respiration - Aquarius Reef Bas Florida ; non-calcifying reef organisms like sponges will likely benefit from negative impacts to corals caused by ocean acidification and climate change; research data suggest that water passing through a filter feeding X muta sponge drops more than 0.01 pH units, a significant fraction of the 0.1 drop that has already resulted from the acidification of the ocean by the increase in atmospheric carbon dioxide in recent decades.; scientists try to understand how to distinguish local acidification processes, like that from sponge respiration, from the global scale changes now occurring around the world. Only in this decade have scientists fully realized the threat of global acidification to calcifying organisms such as corals. Marine scientists around the world are now attempting to provide the information that we need to both understand and manage this important problem; field work, experiments and scientific setups of the AUG 2011 Research Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill
Co-Principal Investigator: Dr.Niels Lindquist (left), UNC Chapel Hill© Christoph Gerigk / Biosphoto - RM

1934266

Monitoring of sponge respiration - Aquarius Reef Bas Florida ;

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Monitoring of sponge respiration -Aquarius Reef Base Florida ; non-calcifying reef organisms like sponges will likely benefit from negative impacts to corals caused by ocean acidification and climate changeResearch Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill<br>Co-Principal Investigator: Dr.Niels Lindquist, UNC Chapel Hill

Monitoring of sponge respiration -Aquarius Reef Base FloridaMonitoring of sponge respiration -Aquarius Reef Base Florida ; non-calcifying reef organisms like sponges will likely benefit from negative impacts to corals caused by ocean acidification and climate changeResearch Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill
Co-Principal Investigator: Dr.Niels Lindquist, UNC Chapel Hill© Christoph Gerigk / Biosphoto - RM

1934249

Monitoring of sponge respiration -Aquarius Reef Base Florida ;

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Divers field work - Aquarius Reef Base Florida ; field work, experiments and scientific setups of the AUG 2011 Research Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill<br>Co-Principal Investigator: Dr.Niels Lindquist, UNC Chapel Hill

Divers field work - Aquarius Reef Base FloridaDivers field work - Aquarius Reef Base Florida ; field work, experiments and scientific setups of the AUG 2011 Research Mission: Ocean Acidification: Controls on Reef pH; Principal Investigator: Dr. Chris Martens, UNC Chapel Hill
Co-Principal Investigator: Dr.Niels Lindquist, UNC Chapel Hill© Christoph Gerigk / Biosphoto - RM

1934247

Divers field work - Aquarius Reef Base Florida ; field work,

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Man taking a shower - Aquarius Reef Base Florida ; Chris Martens taking his obligatory shower in the wet porch. Aquanauts must wash off any salt water after each dive in order to keep the station free from corrosion.

Man taking a shower - Aquarius Reef Base FloridaMan taking a shower - Aquarius Reef Base Florida ; Chris Martens taking his obligatory shower in the wet porch. Aquanauts must wash off any salt water after each dive in order to keep the station free from corrosion.© Christoph Gerigk / Biosphoto - RM

1934245

Man taking a shower - Aquarius Reef Base Florida ; Chris Martens

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Men in bunk - Aquarius Reef Base FloridaMen in bunk - Aquarius Reef Base Florida ; 6 bunks for 6 crew members© Christoph Gerigk / Biosphoto - RM

1934244

Men in bunk - Aquarius Reef Base Florida ; 6 bunks for 6 crew

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Diver cleaning an anode - Aquarius Reef Base Florida ; umbilical diver moving a NASA prototype camera

Diver cleaning an anode - Aquarius Reef Base FloridaDiver cleaning an anode - Aquarius Reef Base Florida ; umbilical diver moving a NASA prototype camera© Christoph Gerigk / Biosphoto - RM

1934235

Diver cleaning an anode - Aquarius Reef Base Florida ; umbilical

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Insspection high pressure air - Aquarius Reef Base Florida ; umbilical diver inspecting the high pressure air reserve

Insspection high pressure air - Aquarius Reef Base FloridaInsspection high pressure air - Aquarius Reef Base Florida ; umbilical diver inspecting the high pressure air reserve© Christoph Gerigk / Biosphoto - RM

1934230

Insspection high pressure air - Aquarius Reef Base Florida ;

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Aquarius Reef Base control room - Floride ; Saul Rosser, Operations Director ARB/UNCW. Shore Base Aquarius monitoring station “watch desk”, fast response and workboats, small boats for daily operations, dive lockers, workshops, dormitory, wet and dry laboratories, and emergency recompression chamber.

Aquarius Reef Base control room - Floride Aquarius Reef Base control room - Floride ; Saul Rosser, Operations Director ARB/UNCW. Shore Base Aquarius monitoring station “watch desk”, fast response and workboats, small boats for daily operations, dive lockers, workshops, dormitory, wet and dry laboratories, and emergency recompression chamber. © Christoph Gerigk / Biosphoto - RM

1934225

Aquarius Reef Base control room - Floride ; Saul Rosser,

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Life Support Buoy and Ocean Observing Platform - Floride ; Power generation, air compressors, wireless communications/telemetry array, and ocean observing capabilities including water temperature, salinity, chlorophyll, waves, and currents. semi–autonomous (unmanned) Life Support Buoy (LSB) provided by NOAA’s National Data Buoy Center. The LSB is a large discus buoy, 30 feet in diameter, and hosts generators for power, compressors for air, and a telemetry communications system.

Life Support Buoy and Ocean Observing Platform - FlorideLife Support Buoy and Ocean Observing Platform - Floride ; Power generation, air compressors, wireless communications/telemetry array, and ocean observing capabilities including water temperature, salinity, chlorophyll, waves, and currents. semi–autonomous (unmanned) Life Support Buoy (LSB) provided by NOAA’s National Data Buoy Center. The LSB is a large discus buoy, 30 feet in diameter, and hosts generators for power, compressors for air, and a telemetry communications system.© Christoph Gerigk / Biosphoto - RM

1934223

Life Support Buoy and Ocean Observing Platform - Floride ; Power

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Lunchtime - Aquarius Reef Base Florida ; Chris Martens (r) and Niels Lindquist, UNC Chapel Hill sitting in the galley

Lunchtime - Aquarius Reef Base FloridaLunchtime - Aquarius Reef Base Florida ; Chris Martens (r) and Niels Lindquist, UNC Chapel Hill sitting in the galley© Christoph Gerigk / Biosphoto - RM

1934220

Lunchtime - Aquarius Reef Base Florida ; Chris Martens (r) and

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Aquarius Reef Base in the Reef - Conch Reef Florida ; Schoolmaster Snappers (Lutjanus apodus) hide under the steel structures, coverd by Orange Cup Corals<br>(Tubastraea coccinea) , some of these have their yellow polyps opened, due to depth and low-light (normally only at night)

Aquarius Reef Base in the Reef - Conch Reef FloridaAquarius Reef Base in the Reef - Conch Reef Florida ; Schoolmaster Snappers (Lutjanus apodus) hide under the steel structures, coverd by Orange Cup Corals
(Tubastraea coccinea) , some of these have their yellow polyps opened, due to depth and low-light (normally only at night)© Christoph Gerigk / Biosphoto - RM

1934157

Aquarius Reef Base in the Reef - Conch Reef Florida ;

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Christoph Gerigk