Skip to main content

Table 2 P-levels of significance of the Mann-Whitney U paired test for comparisons between disturbed and re-established conditions in a given month.

From: Response of biotic communities to salinity changes in a Mediterranean hypersaline stream

 

combined habitats

 

J3–J4

O3–O4

Organic matter sediments

**

n.s.

Biomass primary producers

  

Ruppia maritima

n.s.

**

Cladophora glomerata

n.s.

**

Epipelic algae

n.s.

**

Macroinvertebrate community parameters

  

number of taxa

**

*

number of families

n.s.

n.s.

number of diptera species

**

n.s.

number of coleoptera species

n.s.

n.s.

log (abundance +1)

n.s.

n.s.

Margalef's index

n.s.

*

evenness

n.s.

n.s.

Shannon's diversity index

n.s.

*

Simpson's diversity index

n.s.

n.s.

  1. *P < 0.05, **P < 0.01