| an integrated approach to assess water quality and environmental contamination in the fluvial-lagoon system of the palizada river, mexico. | water quality and the contamination in relation to land use in the fluvial-lagoon system of the palizada river (flspr; state of campeche, mexico) was investigated using an integrated approach including 21-d in situ bioassays with the native mosquito fish gambusia yucatana, determination of cholinesterase (che) activity in wild populations of this species, and water-quality variables. the present study was performed over 19 months at three sites with different types of anthropogenic impact. signi ... | 2006 | 17089727 |