GROWTH AND DIET OF INTRODUCED COREGONID FISH COREGONUS PELED (GMELIN) AND COREGONUS LAVARETUS (L.) IN TWO BELGIAN RESERVOIR LAKES
نویسندگان
چکیده
منابع مشابه
Prediction of survival rate in European white fish (Coregonus lavaretus) fry on three different feeding regimes
During the early stages of white fish, survival rate is a very effective parameter on future fry’s sustainability, especially when they are going to be released into the natural habitat for restocking. The aim of this study is to define relationships between morphological and functional traits and the survival rate of the European white fish fry (Coregonus lavaretus) when they were fed with di...
متن کاملPrediction of survival rate in European white fish (Coregonus lavaretus) fry on three different feeding regimes
During the early stages of white fish, survival rate is a very effective parameter on future fry’s sustainability, especially when they are going to be released into the natural habitat for restocking. The aim of this study is to define relationships between morphological and functional traits and the survival rate of the European white fish fry (Coregonus lavaretus) when they were fed with di...
متن کاملAlizarin marking of whitefish, Coregonus lavaretus otoliths during egg incubation
Alizarin red S from 200 to 5000 mg L was used to mark the otoliths of whitefish embryos Coregonus lavaretus (L.) from 5 days after fertilization until shortly before hatching, to develop a method for evaluating the effect of stocking whitefish. Mark quality depended on developmental stage at the time of immersion. The best results were obtained when the otolith primordia had formed and had star...
متن کاملTemporal spawning divergence in European whitefish (Coregonus lavaretus)
A critical step in ecological speciation is the development of reproductive isolation. The processes leading up to reproductive isolation are difficult to study since they often occur over very long time periods. Populations of European whitefish (Coregonus lavaretus) has gone through reticulate divergent evolution in many Scandinavian lakes during the last 10 000 years. Some populations even e...
متن کاملFish length exclusively determines sexual maturation in the European whitefish Coregonus lavaretus species complex.
The probability that a fish matures at a certain age and length (the so-called probabilistic maturation reaction norm, PMRN) was analysed for a European whitefish Coregonus lavaretus species complex population living in the Austrian pre-alpine Lake Irrsee. Fish length was found to be the only relevant determinant of maturation probability, and females matured at slightly smaller sizes than males.
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ژورنال
عنوان ژورنال: Applied Ecology and Environmental Research
سال: 2006
ISSN: 1589-1623,1785-0037
DOI: 10.15666/aeer/0401_027044