Broerse a C (2 results)
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Published by Bijleveld, Utrecht, 1974
- Softcover
Seller: Emile Kerssemakers ILAB, Heerlen, NetherlandsEmile Kerssemakers ILAB
Contact seller5-star sellerCondition: Used
£ 14.11
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Add to basket22 cm. paperback. 428 pp. bibliography. -thesis, with a summary in english. -(corner bumped, good). 777g.
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Seller: ConchBooks, Harxheim, GermanyConchBooks
Contact seller4-star sellerCondition: Used
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Add to basketSpecimens of Spadella cephaloptera from Tenerife, Gran Canaria and Gomera (Canary Islands) were compared biometrically in regards to morphometric and meristic characters. Variation exists among the populations on the islands as well as between the islands. The populations on Gomera seem more distinct from the populations on Tene…rife and Gran Canaria than the two latter are mutually. An apparent decline in the number of adults occurs in July, which is related to a decrease in the number of eggs. A shortage of food can explain the reduced fecundity of the specimens. S. cephaloptera prefers habitats protected from the influence of waves. 13 pp., 3 figs, 4.

