Mostrando 1,621 - 1,640 Resultados de 44,833 Para Buscar '"Fish"', tiempo de consulta: 0.35s Limitar resultados
  1. 1621
    “…Conventional mouse bioassay was used to determine the toxicity in all fish tissue extracts, i.e., liver, reproductive tissue, digestive tissue and muscle. …”
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  2. 1622
    por Schmitz, Lars, Wainwright, Peter C
    Publicado 2011
    “…Diel activity pattern is the main mechanism controlling the visual environment of teleost reef fish, with day-active (diurnal) fish active in well-illuminated conditions, whereas night-active (nocturnal) fish cope with dim light. …”
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  3. 1623
  4. 1624
    “…BACKGROUND: Poorly regulated international trade in ornamental fishes poses risks to both biodiversity and economic activity via invasive alien species and exotic pathogens. …”
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  5. 1625
    “…In the face of global overfishing of wild-caught seafood, ocean fish farming has augmented the supply of fresh fish to western markets and become one of the fastest growing global industries. …”
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  6. 1626
    “…We examined the phylogenetic community structure and diversification rates in three families and 14 sites within coral reef fish communities from the Indian and Pacific oceans. …”
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  7. 1627
    “…Residents of the Red River Delta region of northern Vietnam have a long tradition of eating raw fish. Fish-borne zoonotic trematodes (FZTs) are estimated to infect ≈1 million persons in Vietnam. …”
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  8. 1628
    “…We assessed lionfish diet through stomach contents analysis, and quantified changes in fish biomass through visual surveys of lionfish and native fishes at the sites over time. …”
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  9. 1629
    “…All models predicted the measured internal concentrations in fish within 1 order of magnitude for at least 68% of the chemicals. …”
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  10. 1630
    por KUHN, H.J., MARTI, E.
    Publicado 1966
    “…The active transport of oxygen and carbon dioxide into the swim-bladder of fish is discussed. The rete mirabile is a capillary network which is involved in the gas secretion into the bladder. …”
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  11. 1631
  12. 1632
  13. 1633
  14. 1634
    “…To examine this, we construct species distribution models for nine temperate marine sedentary fishes for a 25.7 km(2) study region off the coast of southeastern Australia. …”
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  15. 1635
    “…We investigated in the colonial fish, Neolamprologus caudopunctatus, whether prospecting pairs preferred to breed near conspecifics or solitarily, and how breeders invested in anti-predator defense in relation to neighbors. …”
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  16. 1636
    “…The goals of this paper were to investigate phylogenetic and evolutionary patterns of cichlid fish from West Africa and their Cichlidogyrus and Scutogyrus monogenean parasites, to uncover the presence of host-parasite cospeciation and to assess the level of morphological adaptation in parasites. …”
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  17. 1637
    “…The implications of shallow water impacts such as fishing and climate change on fish assemblages are generally considered in isolation from the distribution and abundance of these fish assemblages in adjacent deeper waters. …”
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  18. 1638
    “…This gradient was associated with declining species richness of fishes, reduced diversity of fish functional groups, and lower abundance of corallivorous fishes. …”
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  19. 1639
    “…In this study, we demonstrate the presence of specific fatty acids synthesized by MOB in fish tissues having low carbon stable isotope ratios. …”
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  20. 1640
    por Henning, Frederico, Meyer, Axel
    Publicado 2012
    “…Sexual selection on male coloration is one of the main mechanisms proposed to explain the explosive speciation rates in East African cichlid fish. True eggspots are color patterns characteristic of the most species-rich lineage of cichlids, the Haplochromini, and have been suggested to be causally related to the speciation processes. …”
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