Essays about: "leklokal"

Found 2 essays containing the word leklokal.

1. 1. An ecological study of the migration, food composition and relative abundance of three-spined stickleback (Gasterosteus aculeatus) in a shallow area in Kalmar Sound.

   University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

   Author : Peter Söderling; [2013]
   Keywords : Three-spined stickleback; Gasterosteus aculeatus; migration; abundance; population; decline; increase; food; prey; predate; pike; perch; roach; spring; spawn; recruitment; shallow; Kalmar; Baltic; Storspigg; spigg; vandring; förekomst; population; populationsökning; populationsminskning; föda; byte; predera; predator; gädda; abborre; mört; vår; vårlekande; föryngring; lek; grunt; Kalmar; Kalmarsund; Östersjön;

   Abstract : The populations of three–spined sticklebacks (Gasterosteus aculeatus) in the Baltic Sea have increased tenfold over the last decade. A large increase in abundance can alter the offshore and coastal food webs. READ MORE

3. 2. Havsöringens (Salmo trutta) och laxens (Salmo salar) lekområden och lekvandring i Vindelälven och Piteälven

   University essay from SLU/Dept. Of Aquatic Resources

   Author : Caroline Pouchard; [2003]
   Keywords : havsöring; lekvandring; vindelälven; piteälven; radiotelemetri; vandringsbeteende; leklokal;

   Abstract : The population of seatrout and salmon are threatened by over-fishing in the sea and loss of spawning and growing habitats caused by logging activities in many swedish rivers. The knowledge of the spawning migration and the habitat use of the seatrouts and salmon are limited. READ MORE