A survey of the benthic marine algae of southwestern New Brunswick, Canada

Southwestern New Brunswick, including the Passamaquoddy Bay area, is located in one of the richest marine environments in North America. A concentrated algal survey of this area comprising 50 littoral and sublittoral sites was undertaken in July 1986. Habitats investigated included estuaries, saltma...

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Bibliographic Details
Published in:Rhodora 1988-10, Vol.90 (864), p.419-451
Main Authors: South, G.R, Tittley, I, Farnham, W.F, Keats, D.W
Format: Article
Language:English
Subjects:
ALGAE
ALGUE
America
AREAS MARINAS
Benthic zone
Biological and medical sciences
BOTANICAL COMPOSITION
Chorology
Coasts
COMPOSICION BOTANICA
COMPOSITION BOTANIQUE
ENCUESTAS
ENQUETE
Estuaries
FLORA
FLORE
Fringe
Fundamental and applied biological sciences. Psychology
GENERA
GENRE
Islands
Marinas
MARINE AREAS
NEW BRUNSWICK
NOUVEAU-BRUNSWICK
Plant cytology, morphology, systematics, chorology and evolution
Plants
REGION MARITIME
Salt marshes
SURVEYS
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Summary:Southwestern New Brunswick, including the Passamaquoddy Bay area, is located in one of the richest marine environments in North America. A concentrated algal survey of this area comprising 50 littoral and sublittoral sites was undertaken in July 1986. Habitats investigated included estuaries, saltmarshes, saline lakes, sheltered and wave-exposed rocky shores, sublittoral bedrock, sediment and animal substrata. A species-poor flora was recorded, comprising 171 algae (45 Chlorophyceae, 58 Phaeophyceae and 68 Rhodophyceae) out of 352 species known for eastern Canada. Five species new to eastern Canada were detected: (Callocolax neglectus, Hildenbrandia crouanii, Phyllophora crispa, Sphacelaria caespitula and Chaetomorpha capillaris). The Halicystis ovalis gametophyte phase of Derbesia marina was also recorded for the first time. The paucity of algal species in the Passamaquoddy region was probably due to regional conditions (low sea temperatures: 8°C offshore, 11°C inshore) and/or local conditions (littoral blanketing by Ascophyllum nodosum, sublittoral grazing by Strongylocentrotus droebachiensis).
ISSN:0035-4902
1938-3401