Life Cycle and Secondary Production of Four Species from Functional Feeding Groups in a Tropical Stream of South India

Table 2

Density (individuals/m²) of functional feeding groups in the stream substrates.

Habitat	Substrate	Functional feeding groups (mean ± SE)
		L. nuburagangai	Baetis	C. alagarensis	N. biseriata
Riffle	Bedrock	0	6 ± 0.9	5 ± 0.4	0
	Boulders	18 ± 1.1	12 ± 1.4	39 ± 1.1	36 ± 0.5
	Pebbles/gravels	0	1 ± 0.5	12 ± 2.3	15 ± 0.5
	Leaf litter	12 ± 2.9	25 ± 3.1	34 ± 1.3	39 ± 1.5
	Woody debris	13 ± 2.2	2 ± 0.4	5 ± 1.2	8 ± 1.1
Pool	Leaf litter	38 ± 1.6	48 ± 2.3	4 ± 0.4	0
	Woody debris	18 ± 2.1	5 ± 0.9	0	0