Summary
The respiratory responses to declining oxygen tension in Nephtys ciliata and N. hombergii were investigated using flow respirometry. N. hombergii showed a better regulation of oxygen uptake during declining oxygen tension than N. ciliata. N. ciliata showed no difference in regulatory ability when individuals of different sizes were compared. It is argued that the difference in regulating ability can partly explain the distribution pattern of these two species in Århus Bight, Denmark.
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Abbreviations
- B2 :
-
regulation index
- B2:
-
mean regulation index
- CeO2 :
-
excurrent oxygen concentration
- C iO2 :
-
incurrent oxygen concentration; dw dry weight
- PO 2 :
-
partial pressure (oxygen)
- VO2 :
-
oxygen uptake
- VO2 :
-
relative oxygen uptake
- VW :
-
water flow
References
Connel JH (1961) The influence of interspecific competition and other factors on the distribution of the barnacle Chthamalus stellatus. Ecology 42:710–723
Fallesen G, Mørch HH (1984) An investigation of the biology of Nephtys hombergii and Nephtys ciliata. MS thesis, University of Århus, Denmark (in Danish)
Fallesen G, Mørch HH (1988) Distribution of Nephtys hombergii and Nephtys ciliata (Polychaeta: Nephtyidae) in Århus Bay, Denmark, with emphasis on the effect of severe oxygen deficiency. Proceedings from the Second International Polychaete Conference. Zoological Museum, Copenhagen (in print)
Hylleberg J, Siegismund HR (1987) Niche overlap in mud snails: freezing tolerance. Mar Biol 94:403–407
Kristensen E (1988) Factors influencing the distribution of nereid polychaetes in Danish coastal waters. Ophelia 29(2):127–140
Mangum C, Winkle W (1973) Responses of aquatic invertebrates to declining oxygen conditions. Am Zool 13:529–541
Newell RC (1970) Respiratory mechanisms. In: Biology of intertidal animals. Logos Press Limited, London
Newell RC, Northcroft HR (1967) A re-interpretation of the effect of temperature on the metabolism of certain marine invertebrates. J Zool (London) 151:277–298
Olive PJW, Garwood PR, Bentley MG, Wright N (1981) Reproductive success, relative abundance, and population structure of two species of Nephtys in an estaurine beach. Mar Biol 63:189–196
Oertzen J (1984) Open and closed systems — their suitability for functional respiration measurements. Limnologica (Berlin) 15:541–545
Schöttler U (1982) An investigation on the anaerobic metabolism of Nephtys hombergii (Annelida: Polychaeta). Mar Biol 71:265–269
Theede H (1984) Physiological approaches to environmental problems of the Baltic. Limnologica 15(2):443–458
Warwick RM, Price R (1975) Macrofauna production in an estuarine mud-flat. J Mar Biol Ass U.K. 55:1–18
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Pedersen, T.F. Metabolic adaptations to hypoxia of two species of polychaeta, Nephtys ciliata and Nephtys hombergii . J Comp Physiol B 161, 213–215 (1991). https://doi.org/10.1007/BF00262886
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DOI: https://doi.org/10.1007/BF00262886