The physiological ecology of planktonic sarcodines with applications to paleoecology: Patterns in space and time

被引:17
作者
Anderson, OR
机构
[1] Biological Oceanography, Lamont-Doherty Earth Observatory of Columbia University, Palisades
关键词
D O I
10.1111/j.1550-7408.1996.tb03989.x
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Planktonic sarcodines, suspended in the water column, are conveniently grouped into three categories based on functional morphology: (1) gymnamoebae and their relatives, which lack major living or nonliving compartmentalizing barriers, (2) foraminifera, and testate amoebae enclosed by a test or shell with one or more major openings, but lacking extensive cytoplasmic compartmentalizing barriers, and (3) radiolaria, which exhibit distinct compartmentalization of the cytoplasm into functional zones. Differences in feeding strategies and trophic activity of members in the three groups reflect in part these differences in functional morphology. Members of all three groups form symbiotic associations with Monera and protists, including algae, thus partially offsetting interspecific trophic competition among species occupying the same water mass. Physiological and morphological adaptations supporting a symbiotic association are presented. C-14-labeling studies of endosymbiotic radiolarian species show a substantial contribution of carbon to the host. Rates of calcification (planktonic foraminfera) and silica deposition (radiolaria) are reported, based on morphometric analyses and isotopic labeling studies. Major distributional patterns in space and time for each of the three groups, and some ecological principles explaining these regularities, are presented as related to population growth dynamics, niche differentiation, water-mass properties, and the role of symbionts in supporting highly diverse communities of species within the same locale in the water column.
引用
收藏
页码:261 / 274
页数:14
相关论文
共 118 条
[1]  
ANDERSON O R, 1976, Journal of Foraminiferal Research, V6, P1
[2]  
Anderson O.R., 1983, P69
[3]  
Anderson O.R., 1991, P7
[4]  
Anderson O.R., 1983, RADIOLARIA
[5]  
Anderson O. Roger, 1993, Marine Microbial Food Webs, V7, P31
[6]  
Anderson O. Roger, 1992, P93
[7]   AN ESTIMATE OF PREDATION RATE AND RELATIVE PREFERENCE FOR ALGAL VERSUS CRUSTACEAN PREY BY A SPONGIOSE SKELETAL RADIOLARIAN [J].
ANDERSON, OR ;
SWANBERG, NR ;
BENNETT, P .
MARINE BIOLOGY, 1984, 78 (02) :205-207
[8]   ASSIMILATION OF SYMBIONT-DERIVED PHOTOSYNTHATES IN SOME SOLITARY AND COLONIAL RADIOLARIA [J].
ANDERSON, OR ;
SWANBERG, NR ;
BENNETT, P .
MARINE BIOLOGY, 1983, 77 (03) :265-269
[10]   ANNUAL ABUNDANCES AND GROWTH-POTENTIAL OF GYMNAMOEBAE IN THE HUDSON ESTUARY WITH COMPARATIVE DATA FROM THE FIRTH OF CLYDE [J].
ANDERSON, OR ;
ROGERSON, A .
EUROPEAN JOURNAL OF PROTISTOLOGY, 1995, 31 (02) :223-233