depletion of waters
31Wastewater — For the lake in Northwestern England, see Wastwater. Public infrastructure …
32Oxygen minimum zone — The Oxygen minimum zone (OMZ), sometimes referred to as the shadow zone, is the zone in which oxygen saturation in seawater in the ocean is at its lowest. This zone occurs at depths of about 200 to 1,000 metres, depending on local circumstances.… …
33Marine pollution — While marine pollution can be obvious, as with the marine debris shown above, it is often the pollutants that cannot be seen that cause most harm. Marine pollution occurs when harmful, or potentially harmful effects, can result from the entry… …
34climate — /kluy mit/, n. 1. the composite or generally prevailing weather conditions of a region, as temperature, air pressure, humidity, precipitation, sunshine, cloudiness, and winds, throughout the year, averaged over a series of years. 2. a region or… …
35Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… …
36Roughtail stingray — Conservation status …
37Dead zone (ecology) — This article is about the oceanic phenomenon. For other uses, see Dead Zone (disambiguation). Red circles show the location and size of many dead zones. Black dots show dead zones of unknown size. The size and number of marine dead zones areas… …
38Marine Mammal Protection Act — This article is about the Marine Mammal Protection Act (MMPA) of 1972 of the United States. For the Act of New Zealand, see Marine Mammals Protection Act 1978. One species of marine mammal: a young harbor seal relaxes on a rock off the coast of… …
39Nanophytoplankton — are free floating, aquatic plant; contains algae, protists, and cyanobacteria; photosynthetic, autotrophic plankton. They have chlorophyll in their cells. The main difference between nanophytoplankton and plankton is its smaller size (2… …
40Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
