9780521861724htl 1..2

constant (Gilloolyet al., 2001;Savageet al., 2004). Conversely, controlled manip- ulation of environmental conditions, particula ...

naı ̈ve to each other. Consequently, the community and ecosystem properties that emerge result from similar ecological interacti ...

communities (two compositions at two diversity levels) and an environmental warming treatment (constant temperature or warmed). ...

et al., 2005). If this occurs, distinct food webs that experience similar abiotic conditions should fall on the single constant ...

whereNiis the number of individuals of speciesi,Miis the metabolism of an individual of speciesi, andsis the number of species i ...

two, the 12 8 C difference in temperature between normal and warmed commun- ities had no significant effect (Fig.13.2, Table13.2 ...

communities reside on the constant yield line and total biomass was not a function of the size distribution of individuals. Howe ...

Table 13.1Summary of analysis one of the population consequences of body size on population density, the response variable. M¼bo ...

There was an interaction between this effect and ‘experiment’ in analysis one: there was no biomass increase due to species rich ...

species suggest that analysis of covariance (ANCOVA) may not be the most appro- priate method of analysis, because of covariatio ...

Constant Fast variation Slow variation (b) –6.5 –6.0 –5.5 –5.0 –4.5 –4.0 Log 10 (Cell mass (mg)) 2.5 3.0 4.0 4.5 3.5 Log (Densit ...

contained less than 0.1 mg per ml (Fig.13.7a). While the positive relationship between biomass and predicted metabolism persiste ...

(Fig.13.7d,r^2 ¼0.08, p¼0.38) while predicted community metabolism explained 35% of the variance in observed community metabolis ...

0.0 0 1 2 3 4 0.4 0.8 1.2 Community biomass Predicted CO flux 2 (a) 0.00 0.0 0.5 1.0 1.5 0.04 0.08 Community biomass Predicted C ...

caused this difference in results between the two levels of comparison (between communities versus within communities). It is po ...

Morin, 2005 ). Early in the experiment, total community biomass was lower in communities containing species with small individua ...

community metabolism would have required additional model complexity. This could be included in future models that predict ecosy ...

Carbone, C. & Gittleman, J. L. (2002). A common rule for the scaling of carnivore density. Science, 295 , 2273–2276. Cohen, ...

Peters, R. H. (1983).The Ecological Implications of Body Size. Cambridge: Cambridge University Press. Savage, V. M., Gillooly, J ...

CHAPTER FOURTEEN Body size, exploitation and conservation of marine organisms SIMON JENNINGS Centre for Environment, Fisheries a ...