black sea red data book - Department of Biology

IUCN Status
World level:
Black Sea Regional level: VU
Subregion level: VU
Distribution, Habitat type, Critical habitats, Limiting factors. In "Zernov's field".
On rocky, and shelly bottoms, at depths ranging between 4 and 47 m. Also in the
Arctic Ocean, Atlantic littoral of Europe and North America, Morocco, Japan Sea,
near Mauritius Island. A northern species, limited by light penetration.
Biology. Reproduction between June and November.
Population trends. A severe reduction! (together with Phyllophora nervosa and
Phyllophora pseudoceranoid.es). Assessments made in 1971 on the Romanian shelf,
in a area of 1,296 km 2
, recorded a quantity of 5,9761, of which 3,983 t was situated
in an area of 216 km 2
of Zernov's field, at a depth of 43-48 m.
Threats. Lowering of light energy penetration, eutrophication.
Conservation measures proposed. Improve the ecological conditions of the central
Northwestern Black Sea.
References
Bavaru A., A. S. Bologa & H. V. Skolka, 1991. A checklist of the benthic marine
algae (except the Diatoms) along the Romanian shore of the Black Sea. Rev. roum.
Biol., Biol, veget. 36: 7-22.
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