Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are reared in large fish cages for maximum growth bef...

Ernie Janes / Potato (Solanum tuberosum) crop irrigation, Norfolk, UK, July 2011

Ernie Janes / Rainbow over field of Daffodils (Narcissus sp) grown for the commercial market, Happisburgh, Norfolk, UK, March

Juergen Freund / Cultured Golden South Sea pearls of the Pearl oyster (Pinctada maxima) Jewelmer pearls, Philippines

Juergen Freund / Caretaker transfers live fish in fish pens of Groupers / Coral trout, Live Reef Fish Trade, Tampakan, Kudat Bay, Sabah, Borneo, Malaysia, June 2009.

Juergen Freund / Jewelmer Pearlfarm, Golden south sea pearl oysters (Pinctada maxima) are prepared with plastic wedges to have nuclei inserted for the creation of cultured pearls, Palawan, Philippines, May 2009

Juergen Freund / Newly harvested cultured Golden South Sea pearls of Oyster (Pinctada maxima) displayed, Palawan, Philippines, May 2009

Juergen Freund / Baby Pearl oysters (Pinctada maxima) at Jewelmer Pearlfarm, two months spats (2 mm in size) and three months (10mm in size) Palawan, Philippines, May 2009

Juergen Freund / Five newly harvested cultured Golden South Sea pearls of Oyster (Pinctada maxima) displayed, Palawan, Philippines, May 2009

Juergen Freund / Newly harvested cultured Golden South Sea pearl of Oyster (Pinctada maxima), Palawan, Philippines, May 2009

Juergen Freund / Newly harvested cultured Golden South Sea pearls of Oyster (Pinctada maxima) displayed in hand, Palawan, Philippines, May 2009

Juergen Freund / Newly harvested cultured Golden South Sea pearls of Oyster (Pinctada maxima) displayed in oyster shell, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of a seaweed farmer tending his crop, growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009.

Juergen Freund / Aerial view of a seaweed farmer tending his crop, growing agar-agar for processing into carageenan (gelatinous extracts used as binder for food or product) Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm workers clean each pearl oyster regularly taking off barnacles and anything that grows on the shell, Philippines, April 2010

Juergen Freund / Jewelmer Pearlfarm, Pearl oyster (Pinctada maxima) in hanging cage, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, newly cleaned Pearl oysters (Pinctada maxima) hanging in nets from rafts waiting to be relocated to open sea, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, cleaned Pearl oysters (Pinctada maxima) in hanging cage in the open sea, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, cleaned Pearl oysters (Pinctada maxima) in hanging cages, being relocated to the open sea, Palawan, Philippines, May 2009

Juergen Freund / Women sorting cultured Golden South Sea Jewelmer pearls in Manila, Philippines, April 2010

Juergen Freund / Jewelmer Pearlfarm, cleaned Pearl oysters (Pinctada maxima) in hanging nets, being relocated to the open sea, Palawan, Philippines, May 2009

Juergen Freund / Sorting of cultured Golden South Sea pearls at Jewelmer pearls, Manila, Philippines, April 2010

Juergen Freund / Jewelmer Pearlfarm, expert technician extracts nearly perfect culutred pearl from golden South Sea Pearl oyster (Pinctada maxima) oyster will then be reused, Palawan, Philippines, May 2009

Juergen Freund / Erik Koti holds some of his coral pieces. Cultured corals are propagated by cutting fragments of corals from mother colonies or brood stock. These coral pieces are attached to concrete mounts until it...

Juergen Freund / Jewelmer Pearlfarm, Goldlip pearl oyster (Pinctada maxima) with golden pearl on beach, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, Golden South Sea Pearl oysters (Pinctada maxima) laid out on trays waiting to have nucleus inserted to initiate cultured pearl growth, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, newly cleaned Pearl oysters (Pinctada maxima) hanging in nets from rafts waiting to be relocated to open sea, Palawan, Philippines, May 2009

Sue Flood / Bluefin tuna {Thunnus thynnus} captive in fish farm, Japan, 2000

Ernie Janes / Collecting free-range organic Chicken eggs (Gallus gallus domesticus) UK, September 2005

Tim Laman / Aerial view of river, mangrove forest and shrimp ponds in the Sarawak Mangrove Reserve area, Sarawak, Borneo, Malaysia, June 2006

Tim Laman / Shrimp fry fishing in the Sibsa River. Each fisherman, working from his own boat, has set a net to capture shrimp fry passing on the current as the tide rises and brings water in from the sea. Nolian...

Juan Carlos Munoz / Atlantic salmon {Salmo salar} fish farm, fish ready for market, Baltasounds, Unst Island, Shetland Islands, Scotland, UK

Gary K. Smith / Commercial potato growing, tractor with potato planter, tractor with stone picking machine on left, Norfolk, UK, May

Gary K. Smith / UK farming, commercial potato growing, tractor with potato planter being refilled from trailer, tractors with stone picking machines in distance, Norfolk, UK, May

Gary K. Smith / Commercial pig farm tractor dispensing feed to feeding troughs, Norfolk, UK, May

Ann & Steve Toon / Attaching identification tag to Atlantic salmon (Salmo salar) selected for broodstock at hatchery, Kielder Salmon Centre, Kielder, Northumberland, UK, November 2011

Ann & Steve Toon / Atlantic salmon (Salmo salar), male selected for broodstock at hatchery, Kielder Salmon Centre, Kielder, Northumberland, UK, November 2011

Ann & Steve Toon / Arctic char (Salvelinus alpinus) fry, Kielder Salmon Hatchery, Northumberland UK, March 2012

Ann & Steve Toon / Arctic char (Salvelinus alpinus) fry in pipette, Kielder Salmon Hatchery, Northumberland UK, March 2012

Ann & Steve Toon / Stripping milt from male Atlantic salmon (Salmo salar) selected for broodstock at hatchery, Kielder Salmon Centre, Kielder, Northumberland, UK, November 2011

Ann & Steve Toon / Stripping eggs from Atlantic salmon (Salmo salar) selected for broodstock at hatchery, Kielder Salmon Centre, Kielder, Northumberland, UK, November 2011

Ann & Steve Toon / Atlantic salmon (Salmo salar) tray of alevin, Kielder Salmon Hatchery, Northumberland UK, March 2012

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) for sale in Tokyo fish market within 24 hours of culling from fish farm off Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are...

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) for sale in Tokyo fish market within 24 hours of culling from fish farm off Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are...

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) for sale in Tokyo fish market within 24 hours of culling from fish farm off Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are...

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are reared in large fish cages for maximum growth bef...

Roland Seitre / Manual capture and preprocessing of Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species, June 2009, Wild caught fish are re...

Roland Seitre / Manual capture and preprocessing of Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species, June 2009. Wild caught fish are re...

Roland Seitre / Manual capture of Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, June 2009, Critically Endangered species. Wild caught fish are reared in large fish...

Roland Seitre / Netting fish at Southern bluefin tuna (Thunnus maccoyii) fish farm, Port Lincoln, South Australia, June 2009, Critically Endangered species. Wild caught fish are reared in large fish cages for maximum...

Roland Seitre / Southern bluefin tuna (Thunnus maccoyii) in fish cage of fish farm, Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are reared in large fish cages for maximum growth bef...

Roland Seitre / Aerial view of fish cage for fish farming Southern bluefin tuna (Thunnus maccoyii), Port Lincoln, South Australia, Critically Endangered species. Wild caught fish are reared in large fish cages for ma...

Juergen Freund / Divers 'encouraging' Giant clams (Tridacna sp) to spawn by injecting serotonin into the clams. Sperm and eggs are collected and fertilised and larvae are cultured for clam farming. Sempoma, Sabah, Bor...

Juergen Freund / Aerial view of fish pens and fish Live reef fish farms in highly populated area of Manila, Philippines, April 2010.

Juergen Freund / Aerial view of large numbers of fish pens choking Malampaya Sound, habitat of the highly endangered Irrawaddy dolphin, Palawan, Philippines, April 2010.

Juergen Freund / Farmed Barramundi cod (Chromileptes altivelis) for the Live reef fish trade, North Sulawesi, Indonesia.

Juergen Freund / Baby Pearl oysters (Pinctada maxima) at Jewelmer Pearlfarm, three months spats, 10mm in size, Palawan, Philippines, May 2009

Juergen Freund / Algae grown in laboratory as food for young Oysters at the Jewelmer Pearlfarm, Palawan, Philippines, May 2009

Juergen Freund / Baby Pearl oysters (Pinctada maxima) at Jewelmer Pearlfarm, two months spats, 2 mm in size, Palawan, Philippines, May 2009

Juergen Freund / Newly harvested cultured Golden South Sea pearls of Oyster (Pinctada maxima) displayed by Jewelmer Pearlfarm owner, Jacques Brannelec, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of Jewelmer Pearlfarm, Palawan, Philippines, May 2009

Juergen Freund / Jewelmer Pearlfarm, floats holding oyster cages in open water, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of Jewelmer Pearlfarm and live reef fish cage, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of lines of Oyster cages at Pearl farm, Jewelmer Pearlfarm, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of lines of Oyster cages at Pearl farm, Jewelmer Pearlfarm, Palawan, Philippines, May 2009

Juergen Freund / Aerial view of Jewelmer Pearlfarm platform on coral fringed island, Palawan, Philippines, May 2009.

Juergen Freund / Underwater view of Mesa Island floating fish cages, Pulau Mas live reef fish operation. This operation only buys from hook and line fishermen who catch cyanide free groupers from the wild, Bali, Indon...

Juergen Freund / Split level view of Mesa Island floating fish cages, Pulau Mas live reef fish operation. This operation only buys from hook and line fishermen who catch cyanide free groupers from the wild, Bali, Indo...

Juergen Freund / Lifting the Golden South Sea oyster cages to clean the oysters at Jewelmer Pearlfarm, Philippines, May 2009.

Juergen Freund / Erik Koti cleans his farmed Giant clams (Tridacna maxima) and (Tridacna derasa) Solomon Islands, July 2010.

Juergen Freund / Aerial view of Oyster nets and cages for cultured pearl farming, the Jewelmer Pearlfarm, Philippines, May 2009

Juergen Freund / Aerial view of rice paddies and fish ponds in Makassar with river tributaries, South Sulawesi, Indonesia, October 2009.

Juergen Freund / Aerial view of rice paddies and fish ponds in Makassar with river tributaries, South Sulawesi, Indonesia, Nvember 2009.

Juergen Freund / Aerial view of rice paddies and fish ponds in Makassar with river tributaries, South Sulawesi, Indonesia, February 2010.

Juergen Freund / Erik Koti dives underwater to clean his farmed Giant clams (Tridacna maxima and Tridacna derasa) Onma Lodge, Kolombangara, Western Province, Solomon Islands, July 2010. Adult clams, often collected fr...

Juergen Freund / Jewelmer Pearlfarm, newly cleaned Golden South Sea Pearl oysters (Pinctada maxima) in hanging cages, waiting to be relocated to the open sea, Palawan, Philippines, May 2009

Juergen Freund / Aquaculture - Fisherman feeding soy pellets to fish in sea cages, includes Milkfish (Chanos chanos) and Pomfret (Pompano sp) Sarangani, Philippines, April 2010.

Juergen Freund / Sea cages holding different types of food fish fed on soya pellets, include Milkfish (Chanos chanos) and Pomfret (Pompano sp) Sarangani, Philippines, April 2010.

Juergen Freund / Jewelmer Pearlfarm, divers check on cleaned Pearl oysters (Pinctada maxima) in hanging nets in the open sea, Palawan, Philippines, May 2009

Juergen Freund / Jacques Branellec, owner of Jewelmer, examines cultured golden South Sea pearls with a pearl worker, Manila, Philippines, April 2010

Juergen Freund / Live Reef Fish grower: Coral trout (Plectropomus leopardus) kept in floating cage to fatten to desirable size for market, Palawan, Philippines, May 2009 . NOT AVAILABLE FOR MAGAZINE USE IN GERMAN-S...

Juergen Freund / Jewelmer Pearlfarm, baby pearl oysters (spats) in bucket, Philippines, April 2010

Juergen Freund / Floating cages for Coral trout (Plectropomus leopardus) with solar powered light for night security to protect from poachers, Live Reef Fish Trade, Palawan, Philippines, May 2009.

Peter Cairns / 2020VISION / Salmon farm in sea loch, silhouettes at dusk, Shetland Isles, Scotland, UK, June 2010

Steven David Miller / Tuna farming where wild-caught young tuna are penned and farmed until maturity, Southern Ocean bay, Port Lincoln, Eyre Peninsula, South Australia January 2007

Steven David Miller / Tuna farming where wild-caught young tuna are penned and farmed until maturity, Southern Ocean bay, Port Lincoln, Eyre Peninsula, South Australia January 2007

David Woodfall / Influx of salt water into shrimp ponds at high tide, benefits Shrimp farming but threatens the supply of drinking water by causing salination, Ganges delta, Bangladesh, November 2008

Will Watson / Cichlid fish tanks on commercial fish farm, Lake Malawi, Malawi March 2009

Alan Williams / Mussel farming in Mid Yell voe (bay), Yell, Shetland Islands, Scotland, UK, June 2006

Juan Carlos Munoz / Aerial view of oyster or fish farming pools, river tributaries and saltmarsh, Odiel, Costa de la Luz, Huelva, Andalucia, Spain, March 2008

Tim Laman / Aerial view of shrimp ponds carved out of mangrove forest in the Sarawak Mangrove Reserve area, Sarawak, Borneo, Malaysia. June 2006. Several shrimp ponds have been abandoned.

Tim Laman / Aerial view of shrimp ponds carved out of mangrove forest, Sarawak Mangrove Reserve, Bako Village, Sarawak, Borneo, Malaysia, June 2006

Tim Laman / Aerial view of shrimp ponds carved out of mangrove forest in the Sarawak Mangrove Reserve area, Sarawak, Borneo, Malaysia. June 2006. Several shrimp ponds have been abandoned.

Tim Laman / Aerial view of mangrove forest and shrimp ponds in the Sarawak Mangrove Reserve area, Sarawak, Borneo, Malaysia. June 2006

Tim Laman / Aerial view of shrimp ponds carved out of mangrove forest in the Sarawak Mangrove Reserve area, Sarawak, Borneo, Malaysia. June 2006. Several shrimp ponds have been abandoned.

Tim Laman / No trespassing sign at the gate to a major industrial shrimp farming complex, carved out of the mangroves. Kedah, Malaysia. May 2006