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A carpa-espelho no reservatório de Bou Hertma, na Tunísia

A carpa-espelho no reservatório de Bou Hertma, na Tunísia

Sana Skhiri

100,16 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Ecología, la biosfera
ISBN:
9786630161878
100,16 €
IVA incluido
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Este estudo constitui um trabalho original sobre a eco-biologia de uma espécie introduzida de peixe de água doce: a carpa-espelho (Cyprinus carpio specularis Lacépède, 1803) do reservatório da barragem de Bou Hertma. Esta variedade encontrou nos ecossistemas limnológicos tunisinos boas condições para a sua proliferação, ocupando o segundo lugar, a seguir ao salmonete, com uma produção total significativa (29,84 %). O ecossistema da barragem de Bou Hertma caracteriza-se por uma fraca variação espaço-temporal de certos parâmetros abióticos, o que confirma a boa qualidade ecológica das suas águas, que são pouco mineralizadas, bem oxigenadas, ligeiramente alcalinas, muito doces, relativamente límpidas e não poluídas. Foram realizadas observações morfológicas, anatómicas e biométricas sobre a subespécie Cyprinus carpio specularis. O estudo da fertilidade revelou que esta espécie é muito fértil, podendo desovar até 591 221 ovos por indivíduo com 46,5 cm de comprimento padrão.

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