A survey of freshwater fishes and their macroparasites in the ... - NINA

Contents
5
NINA Report 635
Abstract .................................................................................................................................... 3
Resumen .................................................................................................................................. 4
Contents ................................................................................................................................... 5
Foreword .................................................................................................................................. 6
1 Introduction ......................................................................................................................... 7
2 Study area ........................................................................................................................... 8
3 Material and methods ......................................................................................................... 9
3.1 Fishing methods ............................................................................................................ 9
3.2 Fish material ............................................................................................................... 10
3.3 Parasite methods ........................................................................................................ 11
3.4 Statistical methods ...................................................................................................... 11
4 Results ............................................................................................................................... 14
4.1 Occurrence and distribution of freshwater fish species ............................................... 14
4.2 Fish communities ........................................................................................................ 15
4.2.1 Species diversity vs.altitude ............................................................................. 15
4.2.2 Fish community structure ................................................................................. 15
4.3 Macroparasites ............................................................................................................ 18
4.3.1 Parasite diversity .............................................................................................. 18
4.3.2 Effects of host diversity and sample size on the number of parasite taxa ........ 19
4.3.3 Seasonal variation ............................................................................................ 20
5 Discussion ......................................................................................................................... 24
5.1 Fish diversity and distribution ...................................................................................... 24
5.2 Parasite diversity ......................................................................................................... 25
6 Summary ........................................................................................................................... 26
7 References ........................................................................................................................ 27
List of Annexes ...................................................................................................................... 29