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Global diversity of copepods (Crustacea: Copepoda) in freshwater
Faunal diversity is compared between zoogeographic regions: the Palaearctic region has more than double the species richness of the next most diverse region, the Neotropical, and the greatest faunal connectivity is between PalAearctic and Nearctic regions, and identifies the Holarctic taxa.
ALCOHOL TOLERANCE, ADH ACTIVITY, AND ECOLOGICAL NICHE OF DROSOPHILA SPECIES
- H. Merçot, D. Defaye, P. Capy, E. Pla, J. David
- MedicineEvolution; international journal of organic…
- 1 June 1994
Alcohol tolerance clearly is related to the larval habitat of the species and shows that adaptation to alcoholic resources has been a major evolutionary challenge in drosophilids, but presumably much more complicated than was previously believed.
Pathogens of wild and farmed fish: sea lice
Control of sea lice: review fallowing chemotherapy vaccination biological control pathology and life cycle stages developmental factors anatomy behaviour epidemiology.
TAXONOMIC DIFFERENTIATION AND WORLD GEOGRAPHICAL DISTRIBUTION OF THE EUCYCLOPS SERRULATUS GROUP (COPEPODA, CYCLOPIDAE, EUCYCLOPINAE)
It is established that the distribution of Eucyclops serrulatus (Fischer, 1851) sensu stricto is restricted to the Palaearctic region, and previous data on geographical distribution of the species outside this area are critically analysed.
The abundance and distribution of Lepeophtheirus salmonis (Copepoda: Caligidae) on six species of Pacific salmon in offshore waters of the north Pacific Ocean and Bering Sea.
The reproductive output of Lepeophtheirus salmonis adult females in relation to seasonal variability of temperature and photoperiod.
The freshwater Copepoda (Crustacea) of Costa Rica with notes on some species
Sixteen species of Copepoda were recorded in this first detailed study of Costa Rican zooplankton, two of these species are halophile and two are circumtropical species of Mesocyclops.
CHROMOSOMES AND NUCLEAR DNA OF CRUSTACEA
Present knowledge about chromosomes and nuclear DNA of Crustacea is reviewed and the relationship between taxonomy and cytogenetics appears very complex in some taxa, such as Artemia (Branchiopoda).
Female genital structures in several families of Centropagoidea (Copepoda: Calanoida)
The genital structures of 21 calanoid species belonging to the families Candaciidae, Centropagidae, Pontellidae, Sulcanidae, Temoridae and Tortanidae were studied using light and electron microscopy and a possible correlation between absence of seminal receptacles and mating behaviour is discussed.