Consumption rates of six species of marine benthic naked amoebae (gymnamoebia) from sediments in the Clyde Sea area

被引:23
作者
Butler, H
Rogerson, A
机构
[1] S DAKOTA SCH MINES & TECHNOL, DEPT CHEM & CHEM ENGN, RAPID CITY, SD 57701 USA
[2] UNIV MARINE BIOL STN, MILLPORT KA28 0EG, SCOTLAND
关键词
D O I
10.1017/S0025315400038571
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Six species of naked amoebae, ranging in size from 45 to 3258 mu m(3), were isolated from benthic sediments of the Clyde Sea area. The number of fluorescently labelled bacteria (FLB) consumed by these amoebae was determined at 5, 10, 15 and 20 degrees C. Consumption rates varied markedly, ranging from 0.2 to 194.7 bacteria h(-1) (equivalent to 0.16-155.8 mu m(3) bacterial biomass). However, only some of these values were considered to be optimal; several of the uptake values were too low to account for the measured growth rates of amoebae. Using the optimal consumption rate data, the mean specific rates increased from 0.042 bacteria h(-1) mu m(-3) at 5 degrees C to 0.131 bacteria h(-1) mu m(-3) at 20 degrees C. This is the first study to detail the ingestion rates of a range of bacterivorous marine gymnamoebae.
引用
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页码:989 / 997
页数:9
相关论文
共 40 条
[31]   The grazing potential of some unusual marine benthic amoebae feeding on bacteria [J].
Rogerson, A ;
Hannah, F ;
Gothe, G .
EUROPEAN JOURNAL OF PROTISTOLOGY, 1996, 32 (02) :271-279
[32]   THE ABUNDANCE OF MARINE NAKED AMOEBAE IN THE WATER COLUMN OF THE CLYDE ESTUARY [J].
ROGERSON, A ;
LAYBOURNPARRY, J .
ESTUARINE COASTAL AND SHELF SCIENCE, 1992, 34 (02) :187-196
[33]  
SHERR B F, 1991, Marine Microbial Food Webs, V5, P227
[34]   GRAZING, GROWTH, AND AMMONIUM EXCRETION RATES OF A HETEROTROPHIC MICROFLAGELLATE FED WITH 4 SPECIES OF BACTERIA [J].
SHERR, BF ;
SHERR, EB ;
BERMAN, T .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1983, 45 (04) :1196-1201
[35]   USE OF MONODISPERSED, FLUORESCENTLY LABELED BACTERIA TO ESTIMATE INSITU PROTOZOAN BACTERIVORY [J].
SHERR, BF ;
SHERR, EB ;
FALLON, RD .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1987, 53 (05) :958-965
[36]   DIRECT USE OF HIGH MOLECULAR-WEIGHT POLYSACCHARIDE BY HETEROTROPHIC FLAGELLATES [J].
SHERR, EB .
NATURE, 1988, 335 (6188) :348-351
[37]   FATE OF BACTERIAL PRODUCTION IN A HETEROTROPHIC ECOSYSTEM - GRAZING BY PROTISTS AND METAZOANS IN THE HUDSON ESTUARY [J].
VAQUE, D ;
PACE, ML ;
FINDLAY, S ;
LINTS, D .
MARINE ECOLOGY PROGRESS SERIES, 1992, 89 (2-3) :155-163
[38]   GRAZING, RESPIRATION, EXCRETION, AND GROWTH-RATES OF TINTINNIDS [J].
VERITY, PG .
LIMNOLOGY AND OCEANOGRAPHY, 1985, 30 (06) :1268-1282
[39]   EFFECTS OF GRAZING BY THE FREE-LIVING SOIL AMEBAS ACANTHAMOEBA-CASTELLANII, ACANTHAMOEBA-POLYPHAGA, AND HARTMANNELLA-VERMIFORMIS ON VARIOUS BACTERIA [J].
WEEKERS, PHH ;
BODELIER, PLE ;
WIJEN, JPH ;
VOGELS, GD .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 1993, 59 (07) :2317-2319
[40]   GROWTH AND NITROGENOUS EXCRETION OF A COMMON SOIL FLAGELLATE SPUMELLA SP - A LABORATORY EXPERIMENT [J].
ZWART, KB ;
DARBYSHIRE, JF .
JOURNAL OF SOIL SCIENCE, 1992, 43 (01) :145-157