TITLE PAGE - acumen - The University of Alabama

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Figure 4. Non-metric multidimensional scaling ordination plots based on log 10 -transformed biomass of six taxa that contributed 79 to 87% to the overall dissimilarity among all pair-wise cave comparisons between cave sites. The diameter of each circle is proportional to the taxon’s biomass in each cave. (a) Oligochaeta, (b) Tanypod genus A, (c) Caecidotea, (d) Tanypod genus B, (e) Lirceus and (f) Polypedilum. Stress = 0.05 for all figures. 1.2 0.8 a Oligochaeta b Tanypodinae Genus A 0.4 0.0 -0.4 -0.8 -1.2 -1.6 1.2 0.8 c Caecidotea d Tanypodinae Genus B 0.4 0.0 -0.4 -0.8 -1.2 -1.6 1.2 0.8 e Lirceus f Polypedilum 0.4 0.0 -0.4 -0.8 -1.2 -1.6 -3.2 -2.8 -2.4 -2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 -3.2 -2.8 -2.4 -2.0 -1.6 -1.2 -0.8 -0.4 0.0 0.4 0.8 1.2 Tony Sinks Salt River Big Mouth Jess Elliot Scale: 1.0 0.5 0.25 37

Figure 5. Box and whisker plot of litter breakdown rate (k, d -1 ) of corn (a) and red maple (b) in coarse- and fine-mesh bags in four cave streams in northeastern Alabama and southeastern Tennessee, U.S.A. Boxes are the 25 th and 75 th percentile and whiskers are 5 th and 95 th percentiles. The dashed and solid line within each box is the mean and median, respectively. Significant differences (P < 0.05) among caves and mesh sizes are indicated by different letters. Note that different case letters do not indicate significant differences between litter types. 0.015 0.012 a A A A Coarse Fine 0.009 A 0.006 -1 Litter breakdown rate ( k , d ) 0.003 0.000 0.015 0.012 b b b C C B C 0.009 c d 0.006 0.003 d c e a d a d a a d e 0.000 Jess Elliot Salt River Big Mouth Tony Sinks Jess Elliot Salt River Big Mouth Tony Sinks Cave 38

Figure 5. Box and whisker plot <strong>of</strong> litter breakdown rate (k, d -1 ) <strong>of</strong> corn (a) and red maple (b) in<br />

coarse- and fine-mesh bags in four cave streams in northeastern <strong>Alabama</strong> and southeastern<br />

Tennessee, U.S.A. Boxes are the 25 th and 75 th percentile and whiskers are 5 th and 95 th<br />

percentiles. <strong>The</strong> dashed and solid line within each box is the mean and median, respectively.<br />

Significant differences (P < 0.05) among caves and mesh sizes are indicated by different letters.<br />

Note that different case letters do not indicate significant differences between litter types.<br />

0.015<br />

0.012<br />

a<br />

A<br />

A<br />

A<br />

Coarse<br />

Fine<br />

0.009<br />

A<br />

0.006<br />

-1<br />

Litter breakdown rate ( k , d )<br />

0.003<br />

0.000<br />

0.015<br />

0.012<br />

b<br />

b<br />

b<br />

C<br />

C<br />

B<br />

C<br />

0.009<br />

c<br />

d<br />

0.006<br />

0.003<br />

d<br />

c<br />

e<br />

a<br />

d<br />

a<br />

d<br />

a<br />

a<br />

d<br />

e<br />

0.000<br />

Jess<br />

Elliot<br />

Salt<br />

River<br />

Big<br />

Mouth<br />

Tony<br />

Sinks<br />

Jess<br />

Elliot<br />

Salt<br />

River<br />

Big<br />

Mouth<br />

Tony<br />

Sinks<br />

Cave<br />

38

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