Effects of Organic Herbicides on Phototrophic Microbial Communities in Freshwater Ecosystems - Reviews of Environmental Contamination and Toxicology - page 101

35-L microcosms
(28 days)

1 (± pulses
7 or 14)

Periphyton Chlorophyll a

Primary production
Community composition
PICT

+ Tlili et al. ( 2008 ) Effects of acute pulses

varied according
to the biological
parameters tested

+
+
−

35-L microcosms
(21 days)

10 Periphyton Chlorophyll a

Primary production
Community composition
PICT

± Tlili et al. ( 2010 ) Effects of diuron on

chlo a and photo-
synthetic eficiency
were modulated by
P concentrations

±
+
+

LOEC low observed effect concentration, + signiicant effects (negative of positive), ± variable effects, − no effect