| 标题 |
 Water chemistry and the distribution of Mexican Podostemaceae: a preliminary evaluation |
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| 其它 |
Abstract Tropical rivers represent the most heavily polluted of tropical aquatic habitats. Podostemaceae often represent the dominant submerged vegetation in tropical rivers, especially in river-rapid and waterfall habitats. Anecdotal accounts implicate water pollution as detrimental to populations of Podostemaceae. This paper examines chemical variables and their relationship to the occurrence of species of Podostemaceae. Twenty-eight tropical rivers in which Podostemaceae occur were sampled in the Mexican states of Nayarit, Jalisco, Guerrero and Oaxaca on the Pacific slope, and Veracruz and Oaxaca on |
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(2025-6-4)
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