Spatial Mark-Recapture Method in the Estimation of Crayfish Population Size
✍ Scribed by Päivi Partanen; Dr. Antti Penttinen
- Publisher
- John Wiley and Sons
- Year
- 1995
- Tongue
- English
- Weight
- 734 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0323-3847
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Quantitative studies were made of a large population of interneurons that controls postural flexion and extension of the crayfish abdomen. The number of interneurons needed to produce a motor program was estimated by stimulating a single abdominal positioning interneuron and recording interneuronal
## Abstract The Pomorskie Lakeland close to the town of Miastko shows the highest density of stocks of the noble crayfish __Astacus astacus__ (L.) in the lowlands of north‐western Poland. In summer 2002, the present status of this highly threatened species was analysed by means of mark and recaptur