k-value analysis of density-dependent processes

 
 

a. Survivorship
 

Fig. 1. Seedling mortality in the dune annual Androsace septentrionalis in Poland (after Symonides 1979).

 

Fig. 2. Egg mortality and larval competition in the almond moth, Ephestia cautella (after Benson 1973).

 

Fig. 3. Larval competition in the fruitfly Drosophila melanogaster (after Bakker 1961).

 

Fig. 4. Larval mortality in the moth Plodia interpunctella (after Snyman 1949)
 
 

b. Reduction in fecundity
 

Fig. 5. Gamete output in the limpet Patella cochlear in South Africa (after Branch 1975).

 

Fig. 6. Egg production in the cabbage root fly, Erioischia brassicae (after Benson 1973).
 
Fig. 7. Egg production in the grass mirid Leptoterna dolabrata (after McNeill 1973).
 
Fig. 8. Seed production in the plantain Plantago major (after Palmblad 1968).

 
 

c. Reduction in growth
 

Fig. 9. The relative failure of adult females to gain weight, as a consequence of larval competition in Drosophila melanogaster (after Bakker 1961).

 

Fig. 10. Weight loss in the shephard’s purse, Capsella bursa-pastoris (after Palmblad 1968).


(References from Begon et al. 1990)
 

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