Table 1

Examples of irrigation rate of Nereis virens, N. diversicolor and Arenicola marina. Results are presented both as individual rates [(g worm) h-1] and as population rates (m2 d-1). The abbreviations (ns) and (s) indicate non-suspension-feeding and suspension-feeding N. diversicolor.[9,28]



Irrigation




Species
Density/m-2
Individual/ml g-1 h-1
Population/1 m-2 d-1

N. virens
600
21–62
60–180
N. diversicolor (ns)
600
200–250
580–720
N. diversicolor (s)
600
450–500
2600–2900
A. marina
50
10–13
120–160

Kristensen Geochemical Transactions 2001 2:92   doi:10.1186/1467-4866-2-92