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Nitophyllum divaricatum 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Rhodophyta Florideophyceae Ceramiales Delesseriaceae

Scientific Name: Nitophyllum divaricatum W.R.Taylor
Taxonomic Notes: Uncertain taxonomic status (K.A. Miller pers. comm.).

Assessment Information [top]

Red List Category & Criteria: Data Deficient ver 3.1
Year Published: 2007
Date Assessed: 2007-03-01
Annotations:
Needs updating
Assessor(s): Miller, K.A., Garske, L. & Edgar, G.
Reviewer(s): Stuart, S.N. & Carpenter, K.E. (Global Marine Species Assessment Coordinating Team)
Justification:
Only known from the original deepwater collections by Taylor (1945) in 1934 at Floreana (Black Beach Anchorage), Isabela (Caleta Tagus) and Santa Cruz (Academy Bay). Taxonomic studies are required, hence listed as Data Deficient.

Geographic Range [top]

Range Description:Nithophyllum divaricatum is endemic to the Galápagos Islands; reported from: Santa Cruz: Academy Bay (Taylor 1945: type locality); Floreana: Black Beach Anchorage (Taylor 1945); Isabela: Tagus Cove (Taylor 1945). No known further collections since type collections.
Countries occurrence:
Native:
Ecuador (Galápagos)
FAO Marine Fishing Areas:
Native:
Pacific – southeast
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No population information is available for N. divaricatum.
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:N. divaricatum has been reported at depths of 27 to 36 m at Tagus Cove, Isabela; additionally, it was also reported at 55 m depth at Black Beach Anchorage (Taylor 1945).
Systems:Marine

Threats [top]

Major Threat(s): Presumably El Niño, climate change and ecosystem interactions. Ecosystem interactions because of increase in sea urchins and other herbivore populations from overexploitation of predators along with ENSO disturbances.

Conservation Actions [top]

Conservation Actions: Found within the Galápagos Marine Reserve (IUCN category VI); Galápagos Archipelago Particularly Sensitive Sea Area (PSSA); Galápagos Island World Heritage Site (UNESCO N (i)(ii)(iii)(iv)), and Galápagos Island Man and Biosphere Reserve (UNESCO).

Citation: Miller, K.A., Garske, L. & Edgar, G. 2007. Nitophyllum divaricatum. The IUCN Red List of Threatened Species 2007: e.T63613A12697142. . Downloaded on 23 September 2018.
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