Hippuris tetraphylla (EN) |
Short description |
Observations of Hippuris tetraphylla were collected from the Baltic Sea area for HELCOM Red List species list.
The HELCOM Red List of Baltic Sea species in danger of becoming extinct (2013) is the first threat assessment for Baltic Sea species that covers all marine mammals, fish, birds, macrophytes (aquatic plants), and benthic invertebrates, and follows the Red List criteria of the International Union for Conservation of Nature (IUCN).
Almost 2800 species were considered in the Red List assessment and about 1750 were evaluated according to the IUCN Red List criteria.
Hippuris tetraphylla has been placed to the Red List category of Endangered (EN) species.
Dataset for download contains spatial grid of the Baltic Sea. Distribution of the species can be found in corresponding name column. Values are coded:
0 = no observations
1 = present before year 1995 or in 1995
2 = present after year 1995
3 = present before and after year 1995 |
Point of contact |
HELCOM Secretariat data@helcom.fi |
Spatial extent |
['0.579301', '50.560882', '46.304946', '72.66441'] |
Type |
dataset |
Metadata information |
Identifier | 90e5d3fa-8050-4930-8adb-8a67c15dca30 (metadata download) |
Keywords |
Species distribution
;
GEMET - INSPIRE themes, version 1.0
;
red list ; distribution ; macrophyte ; GEMET ; MADS ; |
Resource provider(s) |
HELCOM Secretariat
data@helcom.fi |
Lineage |
This dataset displays distribution of Hippuris tetraphylla according to HELCOM RED LIST assessment based on the following data sources:
The records of the species compiled from the Finnish database of threatened species (Hertta) and from the Swedish Species Gateway. The species does not occur in inland waters. It should be noted that all the occurrences in the southern and southwestern coast of Finland are currently regarded extinct, although some of the records are rather recent and were made after 1995 (Ryttäri et al. 2012).
(Downloaded from Artportalen on 14 December 2012 and from the Finnish Environment Institute on 3 January 2013) |