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Eco-Hydrological
Databases on this site contain specific
information pertaining to various aspects of functioning, requirements and
management of freshwater ecosystems. The information is extracted from formally
published papers and reports, unpublished documents, Internet sites and
experts� opinions. Three databases are available at present
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database
is a collection of actual estimates of environmental flows made by various
methods, together with hydrological characteristics of respective rivers and
associated environmental management objectives. It is being developed by IWMI
in collaboration with TNC and UNEP GEMS/Water as part of the activities of
UNESCO Task Force on Eco-Hydrology.
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Environmental flow assessment for aquatic ecosystems: a database of
methodologies. Various
techniques have been developed to date to estimate the environmental flow
requirements of aquatic ecosystems. This database includes brief description of
each methodology, it origin, input data requirements, strengths and
deficiencies, references to case studies, etc.
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Quantification
of hydrological functions of inland wetlands.
It is generally agreed that wetlands may attenuate floods, sustain baseflow
during dry periods and recharge aquifers. However, little is known about the
quantitative side of these functions. This database is intended as a systematic
collection of available quantitative and semi-quantitative information (e.g.
"yes" or "no" type of statements) is envisaged to serve as an additional tool
in wetland research, complimenting and supporting other approaches like
modeling or field surveying of wetland ecosystems
Development
of eco-hydrological databases is seen as a continuous process rather then
once-off exercise. In this sense, none of the presented databases is complete.
Each database welcomes new entries. On-line input of new entries in pre-defined
formats is allowed for. Interested specialists worldwide can make their direct
contributions to database development. The developers will be grateful for such
contributions. The intention is to make databases "internationally owned". IWMI
provides general maintenance of this web site as well as the maintenance of
individual databases.
To
submit an entry, please go to the database of your interest and click "submit
your entry". You will be asked to fill an entry form. Once you have submitted
your entry, it goes to the Moderator of this specific database. The job of the
Moderator is to ensure that the entry is full, not duplicated, etc. Moderator
edits new entries and places them into the database. Moderator also deals with
comments and suggestions and has the password to his/her page. All databases
are fully searchable.
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