|
<br /> Appendix A. Taxa, densities of richest-targeted habitat periphyton, and sampling date for environmental samples at sites in the Upper Colorado River Basin study unit, 1996-97-Continued
<br /> [--, species not found in sample; A, abundance as cells per square centimeter; B, biovolume as cubic micrometers per square centimeter; densities and biovolumes rounded to 3 significant
<br /> figures;
<br /> Il, micrometer; <, less than; Site abbreviations are used in this table. See table I for full site names]
<br /> Gunn32 Gunn32 GunnTunn GunnTunn Dotsero Dotsero
<br /> 8/96 8/97 8/96 8/97 8/96 8/97
<br /> A B A B A B A B A B A B
<br /> DIVISION
<br /> Family
<br /> Genus species variety
<br /> Diatoma mesodon 68 53,100 78 61,600
<br /> Diatoma moniliformis 1,560 220,000
<br /> Diatoma tenue
<br /> Diatoma vulgare 579 1,210,000 6,460 13,500,000 471 982,000 486 1,010,000 4,230 8,820,000
<br /> Fragilaria bicapitata
<br /> Fragilaria brevistrata (1 ANS WRC)
<br /> Fragilaria brevistriata
<br /> Fragilaria brevistriata inflata
<br /> Fragilaria capucina
<br /> Fragilaria construens 579 62,800
<br /> Fragilaria construens binodis
<br /> Fragilaria construens pumila 579 55,000 625 83,300 68 6,430 549 73,000 972 92,300 3,630 483,000
<br /> Fragilaria construens venter
<br /> Fragilaria crotonensis 406 134,000 235 77 ,400
<br /> Fragilaria famelica 625 45,100
<br /> Fragilaria leptostauron 579 262,000 208 94,400
<br /> Fragilaria pinnata 313 19,200 78 4,830 2,420 149,000
<br /> Fragilaria pinnata acuminata
<br /> Fragilaria tenera
<br /> Fragilaria vaucheriae 6,370 760,000 9,490 1,700,000 813 97.000 1,960 352,000 729 87,000 6,650 1,190,000
<br />N Fragilaria vaucheriae (1 ANS WRC) 1,740 325,000 1,560 292,000 1,210 226,000
<br />.j::.
<br /> Fragilaria virescens
<br /> Hannaea arcus 1,460 2,360,000 1,210 1,960,000
<br /> Meridion circulare 121 14,400 1,210 143,000
<br /> Synedra acus
<br /> Synedra pulchella
<br /> Synedra rumpens
<br /> Synedra rumpens fragilarioides
<br /> Synedra ulna 1,210 7,090,000
<br /> Tabellariaflocculosa (strain IV)
<br /> Epitherniaceae
<br /> Epithemia sorex 579 620,000 417 446,000
<br /> Rhopalodia gibba 579 19,900,000
<br /> Eunotiaceae
<br /> Eunotia arcus
<br /> Eunotia exigua
<br /> Melosiraceae
<br /> Melosira sp. (2 ANS WRC)
<br /> Melosira valdii
<br /> Melosira varians 1,960 8,790,000 1,100 4,920,000 1,090 4,890,000 1,210 5,410,000
<br /> Naviculaceae
<br /> Amphipleura pellucida
<br /> Amphora coffeaeformis
<br /> Amphora ovalis affinis
<br /> Amphora perpusilla 2,900 117,000 4,170 141,000 1,830 74,000 706 23,900 1,340 54,000 4,230 143,000
<br /> --
<br />
|