PJB-1986-21
ECOLOGICAL STUDIES OF FUNGI IN A TRICKLING FILTER TYPE SEWAGE PLANT OF KARACHI
YASMEEN AKHTAR AND A.
GHAFFAR
Abstract
The occurrence, distribution and relative abundance of fungi was examined in a
trickling filter type sewage treatment plant of
Karachi. At least 50 species of filamentous fungi belonging to 25 genera were isolated
from samples of waste water of Karachi
using the dilution plate technique. Species dominance and diversity indices were used to determine the structure and organization of fungal communities. In the system examined, the dominance was high and the general diversity was of a low magnitude. Furthermore, dominance was inversely
related with diversity and its two components
- richness and equitability. These components were positively correlated with
each other, however, equitability was relatively more important in governing the
overall diversity of fungal communities.
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