Term
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Definition
| A transition area between the aquatic and upland terrestrial environments. |
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Term
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Definition
| Deeper waters below the compensation depth. |
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Term
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Definition
| Low nutrients and biological production, although often well oxygenated. |
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Term
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Definition
| High nutrients and biological production, but may be depleted of oxygen. |
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Term
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Definition
| Movement of water between atmosphere and Earth by way of precipitation and evaporation. |
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Term
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Definition
| Non-flowing water; ie ponds, lakes and inland wetlands. |
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Term
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Definition
| Flowing water; ie, rivers and streams. |
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Term
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Definition
| Small bodies of water so shallow that rooted plants cover most of the bottom. |
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Term
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Definition
| Shallow waters where light penetrates to the bottom, allowing growth of SAV |
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Term
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Definition
| Submerged Aquatic Vegetation |
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Term
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Definition
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Term
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Definition
| Surface layer of water to the compensation depth (photosynthesis = respiration). |
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Term
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Definition
| Bottom layer of water systems. |
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Term
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Definition
| Warm, low-density surface waters. |
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Term
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Definition
| Zone of rapid temperature change. |
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Term
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Definition
| Cold, high-density, deep waters. |
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Term
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Definition
| In rivers, sites of decomposition. |
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Term
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Definition
| In rivers, sites of primary production. |
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Term
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Definition
| Amount of water carried by a river. |
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Term
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Definition
| Health and integrity of rivers and streams depend upon keeping natural flow regimes in a region intact. |
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Term
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Definition
| Reflects history of leaching in the basin. |
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Term
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Definition
| Inversely correlated with temperature (usually not limiting in river systems). |
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Term
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Definition
| A model that predicts changes in the physical structure, dominant organisms, and ecosystem processes along the length of temperate rivers. |
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Term
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Definition
| A partially enclosed embayment where freshwater and seawater meet and mix. |
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Term
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Definition
| Oceanic zone between surface and 200 m. |
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Term
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Definition
| Oceanic zone between 200 m and 1000 m. |
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Term
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Definition
| Oceanic zone between 1000 m and 4000 m. |
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Term
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Definition
| Oceanic zone between 4000 m and 6000 m. |
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Term
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Definition
| Oceanic zone between 6000 m and bottom of the ocean. |
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Term
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Definition
| Shoreward fringe of the seabed between the highest and lowest extent of the tides. |
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Term
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Definition
| Marine environment embracing the regions where land masses extend outward as a continental shelf. |
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Term
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Definition
| Large accumulations of dead skeletal material from calcium carbonate secreting organisms. |
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Term
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Definition
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Term
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Definition
| The occurrence of dominant species in distinct horizontal bands; a nearly universal feature of the intertidal zone. |
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