Barry Docks of leads to the dock basin entrance. The channel has a least depth of , with a depth of at spring tides and at neap tides. At high-water spring tides the depth of water at the entrance to the basin is . At high-water neap tides it is . There are several moorings for yachts and small craft on the west of the tidal basin. The original entrance to the docks is wide, with two wrought-iron gates operated by direct acting hydraulic cylinders. This sea entrance leads into the Basin, (rarely called No.3 dock), that is and covers . At
Issues relating to biofuels Issues relating to biofuels There are various social, economic, environmental and technical issues with biofuel production and use, which have been discussed in the popular media and scientific journals. These include: the effect of moderating oil prices, the "food vs fuel" debate, poverty reduction potential, carbon emissions levels, sustainable biofuel production, deforestation and soil erosion, loss of biodiversity, effect on water resources, the possible modifications necessary to run the engine on biofuel, as well as energy balance and efficiency. The International Resource Panel, which provides independent scientific assessments and expert advice on a variety of resource-related themes, assessed the issues