Plathelminths in tropical intertidal sediments of northeastern Australia

Sabine Dittmann

doi:10.1007/BF00027625

Plathelminths in tropical intertidal sediments of northeastern Australia

Sabine Dittmann

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Assemblages of free-living interstitial plathelminths are described from the tropical coast of northeastern Australia. About one hundred species were recorded from sediments of mangroves, tidal flats, and seagrass beds. The majority (88%) of the plathelminths occurred in only one havitat. Richest in species were Kalyptorhynchia (39), followed by Acoela (17) and Typhloplanoida (16). Over 50% of the species found were represented by one to three individuals, but a few species were frequently encountered. The preferred habitat was sand with 86% of all species, while abundances were higher in muddy sediments. The mean species density was 7 in 10 cm^-2 of sediment, and abundances ranged from 8 to 52 individuals 10 cm^-2 with an average plathelminth abundance of 25 individuals 10 cm^-2. Predatory plathelminths were predominant with up to 77% of the individuals. A comparison is made to plathelminth assemblages in temperate tidal flats.

Original language	English
Pages (from-to)	369-374
Number of pages	6
Journal	Hydrobiologia
Volume	227
Issue number	1
DOIs	https://doi.org/10.1007/BF00027625
Publication status	Published - Dec 1991
Externally published	Yes

Keywords

abundances
distribution
meiofauna
Plathelminthes
tidal flats

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abstract = "Assemblages of free-living interstitial plathelminths are described from the tropical coast of northeastern Australia. About one hundred species were recorded from sediments of mangroves, tidal flats, and seagrass beds. The majority (88%) of the plathelminths occurred in only one havitat. Richest in species were Kalyptorhynchia (39), followed by Acoela (17) and Typhloplanoida (16). Over 50% of the species found were represented by one to three individuals, but a few species were frequently encountered. The preferred habitat was sand with 86% of all species, while abundances were higher in muddy sediments. The mean species density was 7 in 10 cm-2 of sediment, and abundances ranged from 8 to 52 individuals 10 cm-2 with an average plathelminth abundance of 25 individuals 10 cm-2. Predatory plathelminths were predominant with up to 77% of the individuals. A comparison is made to plathelminth assemblages in temperate tidal flats.",

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N2 - Assemblages of free-living interstitial plathelminths are described from the tropical coast of northeastern Australia. About one hundred species were recorded from sediments of mangroves, tidal flats, and seagrass beds. The majority (88%) of the plathelminths occurred in only one havitat. Richest in species were Kalyptorhynchia (39), followed by Acoela (17) and Typhloplanoida (16). Over 50% of the species found were represented by one to three individuals, but a few species were frequently encountered. The preferred habitat was sand with 86% of all species, while abundances were higher in muddy sediments. The mean species density was 7 in 10 cm-2 of sediment, and abundances ranged from 8 to 52 individuals 10 cm-2 with an average plathelminth abundance of 25 individuals 10 cm-2. Predatory plathelminths were predominant with up to 77% of the individuals. A comparison is made to plathelminth assemblages in temperate tidal flats.

AB - Assemblages of free-living interstitial plathelminths are described from the tropical coast of northeastern Australia. About one hundred species were recorded from sediments of mangroves, tidal flats, and seagrass beds. The majority (88%) of the plathelminths occurred in only one havitat. Richest in species were Kalyptorhynchia (39), followed by Acoela (17) and Typhloplanoida (16). Over 50% of the species found were represented by one to three individuals, but a few species were frequently encountered. The preferred habitat was sand with 86% of all species, while abundances were higher in muddy sediments. The mean species density was 7 in 10 cm-2 of sediment, and abundances ranged from 8 to 52 individuals 10 cm-2 with an average plathelminth abundance of 25 individuals 10 cm-2. Predatory plathelminths were predominant with up to 77% of the individuals. A comparison is made to plathelminth assemblages in temperate tidal flats.

KW - abundances

KW - distribution

KW - meiofauna

KW - Plathelminthes

KW - tidal flats

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Plathelminths in tropical intertidal sediments of northeastern Australia

Abstract

Keywords

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