1986
DOI: 10.1007/bf01987291
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Zur Biogeographie des Südwestatlantik mit besonderer Berücksichtigung der Seeanemonen (Coelenterata: Actiniaria)

Abstract: On the biogeography of the southwest Atlantic with special reference to the sea anemones (Coelenterata: Actiniaria).

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Cited by 28 publications
(29 citation statements)
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“…The first faunal element (restricted to fjord-specific habitats) has a clear-cut northern distribution limit due to the abrupt change in coastal morphology and, consequently, a lack of suitable habitats further north. This confirms the hypothesis of Riemann-Zürneck (1986) and Brattström & Johanssen (1983) that the South Chilean fauna possess a high percentage of endemic species. The coexistence and merging of the three faunistic elements mentioned above is provoked by an abrupt diversification of coastal morphology south of 42°S due to the splitting up of the straight coastline into numerous channels and fjords.…”
Section: The North Patagonian Zone (Puerto Montt To Peninsula Taitao)supporting
confidence: 90%
“…The first faunal element (restricted to fjord-specific habitats) has a clear-cut northern distribution limit due to the abrupt change in coastal morphology and, consequently, a lack of suitable habitats further north. This confirms the hypothesis of Riemann-Zürneck (1986) and Brattström & Johanssen (1983) that the South Chilean fauna possess a high percentage of endemic species. The coexistence and merging of the three faunistic elements mentioned above is provoked by an abrupt diversification of coastal morphology south of 42°S due to the splitting up of the straight coastline into numerous channels and fjords.…”
Section: The North Patagonian Zone (Puerto Montt To Peninsula Taitao)supporting
confidence: 90%
“…All 4 species also inhabit the Antarctic Ocean to a lesser or greater extent. Among the sea anemones, Hormathia pectinata (Hertwig), Epiactis georgiana Carlgren, and Isosicyonis alba (Studer) are also discontinuously distributed along the Argentine shelf break (Riemann-Zirneck, 1986).…”
Section: Biogeography and Physiographymentioning
confidence: 99%
“…6°S) and Chiloé Island (42°S) and the Magellan or cold-temperate Province between Chiloé Island and Cape Horn (56°S) ( Fig. 1), which extends into Argentina to the Rio de la Plata (36-38°S) (Riemann-Zürneck, 1986;Zamponi et al, 1998a). Several authors have recognised a transitional area somewhere between 30 and 42°S where both faunas occur (e.g.…”
Section: Introductionmentioning
confidence: 98%
“…These conspicuous sessile marine invertebrates are present in almost all marine habitats; especially in higher latitudes they can be abundant or even dominating. These characteristics make them an excellent taxonomic group for long-term monitoring and detection of general zoogeographic patterns and trends (Riemann-Zürneck, 1986). Since the large vessel-based expeditions to the sea off Chile between 1850 and 1950 (Verrill, 1869;Hertwig, 1882;Carlgren, 1899Carlgren, (for 1898McMurrich, 1904;Carlgren, 1927;1959), the Chilean actinofauna, although quite abundant, has received very little attention.…”
Section: Introductionmentioning
confidence: 99%