
Contents
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19.1 Introduction 19.1 Introduction
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19.2 Habitat characteristics 19.2 Habitat characteristics
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19.3 Morphology 19.3 Morphology
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19.4 Growth, mineral nutrition, photosynthesis, and respiration 19.4 Growth, mineral nutrition, photosynthesis, and respiration
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19.4.1 Growth 19.4.1 Growth
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19.4.2 Mineral nutrition 19.4.2 Mineral nutrition
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19.4.3 Photosynthesis and respiration 19.4.3 Photosynthesis and respiration
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19.5 Trap ecophysiology of aquatic Utricularia 19.5 Trap ecophysiology of aquatic Utricularia
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19.5.1 Water flow 19.5.1 Water flow
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19.5.2 Prey digestion 19.5.2 Prey digestion
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19.5.3 The role of trap commensals 19.5.3 The role of trap commensals
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19.5.4 Oxygen regime and trap respiration 19.5.4 Oxygen regime and trap respiration
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19.6 Regulation of investment in carnivory 19.6 Regulation of investment in carnivory
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19.7 Turions 19.7 Turions
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19.8 Future research 19.8 Future research
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19 Ecophysiology of aquatic carnivorous plants
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Published:December 2017
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Abstract
About 60 species of the genera Aldrovanda and Utricularia are submersed aquatic or amphibious carnivorous plants. They all are strictly rootless and take up mineral nutrients for their growth from the ambient water and captured prey through their trap-bearing shoots. These species represent a specific ecophysiological group that are dissimilar in their principal morphological and physiological features from terrestrial carnivorous plants and from rooted and nonrooted aquatic noncarnivorous plants. I review the ecology of habitats of aquatic carnivorous plants; characteristics of their growth traits, photosynthesis, and mineral nutrition; regulation of the investment in carnivory in Utricularia; biophysical and physiological peculiarities of Utricularia traps; and turion ecophysiology. Open questions of the ecophysiology of aquatic carnivorous plants are discussed.
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