Alnus
glutinosa
Air-dried and
stored at room
temperature until
use
Acclimation food:
fungally conditioned
leaves
Experiment food:
two different types
depending on the
experiment
1. Leaves were naturally conditioned in
the river
2. Method described
by Naylor et al.
(1989)
2.
Cladosporium
Before being cut in
leaf discs of 1 cm in
diameter and been
blotted dry and
weighed
Used immediately
afterwards
In situ and laboratory feeding
studies
Forrow and
Maltby
(2000)
Alnus
glutinosa
Acclimation food:
conditioned in water
Freeze-dried Tubifex
worms added to the
food twice a week
6 days
Acclimation
food:
ad libitum
Reproductive
cycle and feeding study
Geffard
et al. (2010)
Alnus
glutinosa
Experiment food:
naturally conditioned
in the lake
21 days
Feeding, assimilation and
growth study
Gergs and
Rothhaupt
(2008)
Alnus
glutinosa
Hura crepitans
Air-dried and
stored until use
Experiment food:
different types.
Depending on the
experiment
1. Conditioned
directly into the river
2. Leaves soaked in
tap water
1. 14 days
2. 24 h
Before being cut in
leaf discs of 1.4 cm
in diameter
Feeding study
Graça et al.
(2001)
Alnus
glutinosa
Frozen at
À20
C
until use
Experiment food:
river water
14 days
After being cut in
leaf discs of 2 cm in
diameter
Feeding study
Hahn and
Schulz
(2007)
Alnus
glutinosa
Acclimation and
experiment food:
method described by
Naylor et al. (1989)
In situ feeding
study
Maltby
et al. (2002)
(continued)
Feeding Behavioural Studies with Freshwater Gammarus spp.: The. . .
17