Tropical Forest Community Ecology

(Grace) #1
Erica Schwarz CARSON:“carson_index” — 2008/5/27 — 14:41 — page 510 — #20

510Index


spiny rat case study, Panama 325–31
anecdotal evidence of resource limitation 327–8
density of rats positively related to density of fig
trees 327
importance of resource abundance 327–8
influences on reproductive output 328, 329
may be seasonally food-stressed 327
reproductive effort adjusted with changes in
density 328
experimental tests of resource limitation 328–31
able to control for commuter effect 328–9
four islands experimental, four controls 329
higher densities reached on six islands 330–1
increase in density of known births 329, 330
increased experimental islands to eight 330
insular populations limited by food resources
328, 329, 330–1
reproductive activity very low during
provisioning period 331
insular populations show pronounced island
syndrome 327
introduction and methods 325–6
long-term study islands, selection 325
monthly censuses of fruiting trees and lianas
326
monthly rat censuses by live-trapping 325–6
short-term and long-term studies 325
natural history of spiny rats 326–7
body size greater on islands 327
dietary mycorrhizal fungi important 326
primarily frugivorous and granivorous 326
seasonal fluctuations in density, reproductive
output and recruitment 326
study islands almost never visited by avian
predators 327
stabilizing effects/influences 106, 111
actively contribute to diversity maintenance 183,
184 ,185
Steinhaus index, based in species abundance 15
stochastic-niche model 161
succession
endpoint homeostasis 386
life-form composition shifts dramatically during
395
see alsotropical forest succession
succession, constraints on 367–83
empirical research program 379–80
correlation among life history traits 380
propagule input as function of source area
distance 379


resident trees facilitate woody species
recruitment 380
variable predation on seeds and seedlings 380
limitations of existing models 379
major constraints on tropical post-agricultural
succession 373–7
inhibition caused by resident vegetation 376–8
recruitment limitation 373–6
nucleation model 368, 369 , 370
extension of relay floristics model 370
facilitation-based model for stressful habitats
370
spatially explicit 370
a viable conceptual framework for tropical
succession? 378–9
overview, prominent models or conceptual
frameworks 368–72
gradient in time 369 , 370–1
hierarchical causes 369 , 372
initial floristic composition 368, 369 , 370
interaction categories 369 , 371
nucleation 369 , 370
relay floristics 368, 369
resource ratios 369 , 371–2
shade tolerance 369 , 372
vital attributes 369 , 371
post-agricultural succession studies 372–3
succession, phases of 387–90
first phase, stand initiation stage 387–8
dispersal and colonization influence community
composition 389
following abandonment of intensive agriculture
388
most vulnerable to invasion by exotic species
388
new seedling recruits and resprouts 387–8,
389
rapid growth of early colonizers 387
resprouting residuals dominate early
regeneration 388
old growth stage 389
second phase, stem exclusion 388
establishment, shade-tolerant trees and palm
species 388
high mortality, shade-intolerant shrubs and
lianas 389
high recruitment, shade-tolerant species 389,
389
third phase, understory reinitiation stage 388–9,
390
associated with increasing species richness 390
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