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Calcareous Algae. Report on the Danish Oceanographical Expeditions 1908-10 to the Mediterranean and adjacent seas
Citation
Gerovasileiou V, Faulwetter S, Nikolopoulou S, Mavraki D, Tsompanou M, Fanini L, Chatzinikolaou E (2016): Digitization of "Calcareous Algae. Report on the Danish Oceanographical Expeditions 1908-10 to the Mediterranean and adjacent seas." by P. Lemoine (1915) v1.6. Hellenic Center for Marine Research. Dataset/Samplingevent. http://ipt.medobis.eu/resource?r=thorexpedition_k1_calcareous_algae&v=1.6 https://dx.doi.org/10.15468/ilybnn

Access data
Archived data
Availability: CC0 To the extent possible under law, the person who associated CC0 with this dataset has waived all copyright and related or neighboring rights to this dataset.

Description
This dataset is based on the paper entitled “Calcareous Algae. Report on the Danish Oceanographical Expeditions 1908-10 to the Mediterranean and adjacent seas” published by Lemoine (1915). It comprises of 59 records of Rhodophyta (Corallinales and Peyssonneliales) collected during the 1908-9 and 1910 expeditions of Thor vessel from a wide geographical (from the Aegean Sea to the eastern Atlantic Ocean) and bathymetric range (3-98 m). more

Sampling gear used for the collection or rhodophytes is not clarified in the respective paper by Lemoine (1915). A thorough examination of the different types of sampling gear used in the 16 stations, where calcareous algae were sampled from, suggests that they were collected using dredges (e.g. D1: dredge with rectangular opening of 27 x 117 cm; D2: dredge with triangular opening of 45 x 45cm; and hand-dredge of 18 x 14 cm) and also possibly trawls (e.g. Y200: young-fish trawl, 200 cm in diameter at opening and/or Monaco trawl, 56 x 170 cm at opening). In the introductory paper by Schmidt (1912) it is mentioned in page 12 that “When at anchor the motorboat of the “Thor” was often used for fishing in shallow water, for example, with the same dredges as used from the ship and with small hand-dredges intended for the collection of marine algae” supporting that the hand-dredges were also used in certain cases. However, given that different types of sampling gear were deployed in all stations, it is quite probable that samples were mostly collected on an opportunistic basis with complementary sampling methods.

Scope
Themes:
Biology > Macroalgae
Keywords:
Marine, Data, Historical records, Marine Genomics, AE, East Atlantic, MED, Mediterranean, Corallinales, Rhodophyta

Geographical coverage
AE, East Atlantic [Marine Regions]
MED, Mediterranean [Marine Regions]

Temporal coverage
14 December 1908 - 1 September 1910

Taxonomic coverage
Corallinales [WoRMS]
Rhodophyta [WoRMS]

Parameter
Occurrence of biota

Contributors
Hellenic Centre for Marine Research (HCMR), moredata creator
University of Patras (UP), moredata creator

Related datasets
Published in:
MedOBIS: Mediterranean Ocean Biogeographic Information System, more

Dataset status: Completed
Data type: Data
Data origin: Research: field survey
Metadatarecord created: 2016-12-23
Information last updated: 2016-12-23
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