| competitive interactions limiting the number of species in rock pools: experiments with sigara nigrolineata. | rock-pool corixids (hemiptera) arctocorisa carinata and callicorixa producta were excluded from small rock pools. first-stage larvae of sigara nigrolineata, separately or together with larvae of either of the rock-pool species, were then introduced daily at a rate simulating reproduction by typical populations. in all three treatments, the survival of s. nigrolineata larvae was high at the beginning of experiment, 0.39-0.83 between the 1st and 5th stages, but later high mortality was observed. c ... | 1993 | 28312945 |
| replacement analysis of non-equilibrium competition between rock pool corixids (hemiptera, corixidae). | the resource use of rock pool corixids arctocorisa carinata (sahlb.) and callicorixa producta (reut.) was compared in single-species and mixed populations established in the natural environment. the experimental recruitment consisted of daily transfer of newly moulted first-stage larvae to the study pools. the changes in numbers of larvae and the increase of the biomass corresponded closely to the changes in natural populations. the growth of populations was limited by elimination of the younges ... | 1982 | 28310499 |
| coexistence of two competing corixid species (heteroptera) in an archipelago of temporary rock pools. | coexistence of callicorixa producta and arctocorisa carinata in an archipelago of rock pools appears to be facilitated by division of the environment on the time axis. to test this, a hypothesis is built on r-k theory. as a. carinata is twice the size of c. producta it is expected that the former species is more k-selected living in more permanent pools where food resources are limiting and competition strong. the smaller c. producta is expected to prefer newly refilled pools with abundant food, ... | 1978 | 28309648 |