A CRITICAL-REVIEW OF RECENT FRESH-WATER PERIPHYTON FIELD METHODS

被引：112
|
作者：
ALOI, JE [1 ]
机构：
[1] UNIV NOTRE DAME,DEPT BIOL,NOTRE DAME,IN 46556
来源：
CANADIAN JOURNAL OF FISHERIES AND AQUATIC SCIENCES | 1990年 / 47卷 / 03期
关键词：
D O I：
10.1139/f90-073
中图分类号：
S9 [水产、渔业];
学科分类号：
0908 ;
摘要：
Brushing syringe-samplers are recommended for sampling epilithon, due to their low cost, ease of use, and effective removal of periphyton from firm substrates. Methods for removing epiphyton include scraping, agitation, and chemical methods, and the choice of methods is influenced by morphology of the macrophyte. Artificial substrates for periphyton colonization (glass slides, styrofoam, clay tiles, and nutrient diffusing substrates) are also evaluated. General recommendations include: 1) sampling periphyton on naturally occurring substrates rather than artificial substrates when measuring biomass, primary productivity or species composition; 2) using artificial substrates when experimental design dictates, but not ignoring their limitations; and 3) including accurate descriptions of methods to allow future comparisons between studies in different systems. -from Author
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页码：656 / 670
页数：15
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