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Latitudinal gradients in species diversity: the search for the primary cause
- K. Rohde
- Environmental Science
- 1 December 1992
Hypotheses that attempt to explain latitudinal gradients in species diversity are reviewed and include explanations assuming different degrees of competition, mutualism, predation, epiphyte load, epidemics, biotic spatial heterogeneity, host diversity, population size, niche width, population growth rate, environmental harshness, and patchiness at different latitudes.
The interrelationships of all major groups of Platyhelminthes: phylogenetic evidence from morphology and molecules
It is stressed that morphological and molecular data in some respects lead to contradictory results, for instance concerning the position of the Fecampiidae/Urastoma/Ichthyophaga and the relative position ofThe Lecithoepitheliata.
Ecology of marine parasites
- K. Rohde
- BiologyHelgoländer Meeresuntersuchungen
- 1 February 1995
It is stressed that host specificity indices which take frequency and/or intensity of infection into account, are a better measure of restriction of parasites to certain hosts than “host range” which simply is the number of host species found to be infected.
Phylogeny of the Platyhelminthes and the evolution of parasitism
The combined evidence solution for the phylogeny of fiatworms based on 18S rDNA and morphology is used to interpret morphological and life-history data and to support a model for the evolution and radiation of neodermatan parasites in the group.
Co‐occurrence of ectoparasites of marine fishes: a null model analysis
Support is found for the hypothesis that there is an ecological continuum of community organization in metazoan ectoparasites of marine fishes, with little evidence for nonrandom species co-occurrence patterns.
Parasite speciation within or between host species?--phylogenetic evidence from site-specific polystome monogeneans.
Aspects of the ecology of metazoan ectoparasites of marine fishes.
Rapoport's Rule Does Not Apply to Marine Teleosts and Cannot Explain Latitudinal Gradients in Species Richness
Rapoport's rule, according to which high-latitude species have greater latitudinal range than low-latitudes species, therefore does not generally apply to marine teleosts and attempts to explain greater species numbers of tropical species by narrower environmental tolerances of Tropical species are premature.
Gnathostomulida--an enigmatic metazoan phylum from both morphological and molecular perspectives.
- D. Littlewood, M. Telford, K. A. Clough, K. Rohde
- BiologyMolecular phylogenetics and evolution
- 1 February 1998
The molecular data supported more strongly a third possible relationship with the gnathostomulids as a member of the Nematoda + Chaetognatha clade and called for a reevaluation of the morphological data and a denser sampling of the lesser phyla.