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Table 5.1 Aspects of the habitat templet included in the new analysis of 18 New Zealand streams. Disturbance is expressed as the ...
Results The size frequency histograms are shown in Fig.5.2. Invertebrates ranged from 1.5 mm to 25 mm, with mean lengths between ...
800 600 400 200 1000 800 600 400 200 400 200 800 600 400 200 300 200 100 300 200 100 1.5 4.5 7.5 10.5 13.5 16.5 19.5 1.5 4.5 7.5 ...
Body-size patterns along environmental gradients and their utility for biomonitoring In the earlier analysis of the relationship ...
actual sizes in the current study concur with Townsendet al.’s ( 1997) suggestion that time without disturbance would be likely ...
a multivariate (descriptive) setting. Other things being equal, it may be that body size will be larger in more productive strea ...
spaces or refuges). But other things are not equal and, to be honest, we would have been surprised to find a clear relationship ...
after it has passed. In other words, both multiple stressors and taxon-specific solutions can conspire to reduce the likelihood ...
stony, upland stream.Ecological Monographs, 68 , 237–257. Fenchel, T. M. (1978). The ecology of micro and meiobenthos.Annual Rev ...
case study of invertebrates.Freshwater Biology, 49 , 600–613. Poff, N.L. (1997). Landscape filters and species traits: towards m ...
a fish invader in New Zealand streams. Conservation Biology, 17 , 38–47. Townsend, C.R. & Hildrew, A.G. (1994). Species trai ...
CHAPTER SIX Body size and predatory interactions in freshwaters: scaling from individuals to communities GUY WOODWARD Queen Mary ...
(e.g. Rapaport’s rule; Ricklefs, 2004 ), whereas in aquatic systems it has played a far more prominent role in thinking about co ...
macroecological scales are the result of species interactions at the population scale which, in turn, are driven by the activiti ...
ways, since the subcomponents may not all scale with size in the same way (Thompson,1975 ; Kislalioglu & Gibson,1976 ;Hewett ...
differences in the feeding biology of the organisms involved (Aljetlawiet al., 2004 ). Nonetheless, such experiments have, at le ...
Figure 6.2Detrended correspondence analysis ordination biplot of the diets of macroinvertebrate predators within Broadstone Stre ...
and behavioural) differences to determining the presence of an interaction can be seen more explicitly in data from experimental ...
smaller than themselves. The second is that larger predators tend to take larger prey individuals on average, but this is chiefl ...
that are considerably larger than their predators, particularly in marine sys- tems. This situation arisesparticularlywhere modu ...
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