New records of crustose seaweeds associated with subtidal maërl beds and gravel bottoms in Galicia (NW Spain)
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Abstract
We studied crustose seaweeds associated with subtidal maërl beds and gravel bottoms in the Galician rías (NW Iberian Peninsula). Each species is described as well as its habitat and occurrence in maërl beds and gravel bottoms. We confirmed the great crustose species richness associated with European Atlantic maërl beds. We report a new species for the Atlantic Ocean (Contarinia peyssonneliaeformis) and six new records for the Iberian Peninsula (Atractophora hypnoides stage “Rhododiscus pulcherrimus”, Peyssonnelia immersa, Scytosiphon lomentaria stage “Microspongium gelatinosum”, Petroderma maculiforme, Pseudolithoderma roscoffense and Phycocelis foecunda). Peyssonnelia armorica is a new record for the Atlantic Iberian Peninsula and Peyssonnelia harveyana is a new record for the Galician coast. We provide for the first time observations on spermatangial structures in Cruoria cruoriaeformis occurring on the Atlantic Iberian Peninsula. The Galician crustose algal flora of subtidal maërl beds and gravel bottoms is increased up to 23 species (15 Rhodophyta and 8 Ochrophyta). Peyssonnelia rubra is excluded from the Galician flora.
©2010 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Research articles
- Reproduction and life history of the green alga Prasiola linearis Jao (Trebouxiophyceae, Chlorophyta)
- Coexistence of Ulva rigida and Ulva laetevirens (Ulvales, Chlorophyta) in Venice Lagoon and other Italian transitional and marine environments
- New records of subtidal benthic marine algae from Wake Atoll, Central Pacific
- Palisada flagellifera (Ceramiales, Rhodophyta) from the Canary Islands, Spain: a new record for the eastern Atlantic Ocean based on morphological and molecular evidence
- New records of crustose seaweeds associated with subtidal maërl beds and gravel bottoms in Galicia (NW Spain)
- Rapid methods for extracting high-quality DNA from shell-boring “Conchocelis”
- Purification and partial characterization of the lectin from the marine red alga Tichocarpus crinitus (Gmelin) Rupr. (Rhodophyta)
- Mangrove species distribution and abundance in relation to local environmental settings: a case-study at Tumpat, Kelantan Delta, east coast of peninsular Malaysia
- Short communications
- Recent loss of Gibraltar seagrasses
- Leaf reddening in seagrasses
- The effect of boat propeller scarring intensity on genetic variation in a subtropical seagrass species
