Glossary

basin

Used to denote a region drained by a single river system, e.g., the Amazon basin.

Used in 496 species profiles

catchment basin
The entire area drained by a given river or lake plus associated tributaries. Same meaning as drainage basin, river basin, watershed, etc..
endorheic
Used in reference to a closed drainage basins with no outflow to other bodies of water, the bottom of which often contains a salt lake or salt pan. Water leaves only via evaporation or seepage.
haor
Wetland ecosystem of which most are located in northeast Bangladesh. The typical form is that of a bowl or saucer-shaped depression and the core haor area is surrounded by hills of the Indian states of Meghalaya to the north, Tripura and Mizoram to the south, and Assam and Manipur to the east. The area is known locally as the 'Haor' or 'Sylhet' basin and floods extensively each year during the annual monsoons.