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<Lakes and Reservoirs - Similarities, Differences and Importance>


Advection: flow of air or water within the atmosphere or water-body
Allochthonous: transported from elsewhere
Autochthonous: from the same place
Catchment: the area from which rainfall flows into a river, lake or reservoir
Dendritic: “tree branch-like” shape
Drainage Basin: region surrounding a lake or reservoir from which water is drained
Ecology: the study of organisms, their non-living environment, and the interaction
between both
Eutrophication: process whereby lakes and reservoirs become enriched with nutrients
(phosphorous and nitrogen mainly)
Fauna: animals
Flora: plants
Impoundment: a confined body of water
Lacustrine: of or pertaining to a lake or lakes
Limnology: the study of inland waters
Nutrients: chemical compounds needed by animals and plants to support life
Oligotrophic: low or lacking nutrients
Plankton: free-floating microscopic plants and animals
Runoff: carried by water originated from rain mainly
Sedimentation: process in which suspended particles settle to bottom
Water quality: a description of how good (adequate) a water is for a particular purpose
Watershed: either the dividing line between two water catchments or the catchment itself

Figure credits
W. Rast: 1, 2, 3, 4, 5

Photograph credits

M. Fujita: 9
V. Santiago: cover (L. Nakuru), 3, 5, 6, 7, 15, 16, 27, 28
M. Tarzcynska: 31
J. Tundisi: 11
Amagase Dam Control Office, Ministry of Construction, Japan: 14
Danish Hydraulic Institute and VKI: 26
Ministry of Water Resources, the People’s Republic of China <>: 24
Osaka Municipal Government, Japan: cover (L. Biwa and L. Tsukigase), 8, 17, 23
Otsu Municipal Government, Shiga, Japan: 29, 30
Sardar Sarovar Narmada Nigam Ltd., India <>: 20, 21
Survey of the State of World Lakes, Interim Report, ILEC/UNEP (1988-1993): 1, 2, 4, 10, 13, 18, 19, 22, 25
YSI Incorporated (USA). Brochure: 12

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