. Deep-sea biodiversity and ecosystems - a scoping report on their socio-economy, management and governance. UNEP-WCMC Biodiversity Series 28. Deep-sea biodiversity and ecosystems. Gas hydrate is found in subsurface sediments where physical and chemical conditions permit. When brought to the surface, the hydrate dissociates, releasing the (flammable] methane gas. pressures and low temperatures relies on technological breakthroughs and sustained oil prices. It is accordingly more vulnerable and accident-prone than operations in shallow waters and on land. Furthermore, under current cost/benefit


. Deep-sea biodiversity and ecosystems - a scoping report on their socio-economy, management and governance. UNEP-WCMC Biodiversity Series 28. Deep-sea biodiversity and ecosystems. Gas hydrate is found in subsurface sediments where physical and chemical conditions permit. When brought to the surface, the hydrate dissociates, releasing the (flammable] methane gas. pressures and low temperatures relies on technological breakthroughs and sustained oil prices. It is accordingly more vulnerable and accident-prone than operations in shallow waters and on land. Furthermore, under current cost/benefit (that is, energy return to energy investment] ratios, deep-water oil remains a marginal source of energy, however, should the combination of world demand and peak Figure : Deep-water oil and gas production Source: OWL. 2005. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Van den Hove, S. , Moreau, V. , UNEP-WCMC, HERMES Project. UNEP-WCMC, HERMES Project


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